※ ※ 修 改 记 录 ※ ※
※ ※ Revision record ※ ※ ※

修改日期
Modification Date

版 次
Edition

修 改 内 容
Content of the modification

修改人
ModifyPeople

2014-12-25

A0

首次发行
first issue

李波涌
Li Bochong (1907-1995), journalist and novelist, member of the Communist Party of China (East China)

2015-4-16

A1

新增法兰盘测试规范
New flange test specification

李波涌
Li Bochong (1907-1995), journalist and novelist, member of the Communist Party of China (East China)

2017-9-4

A2

新增网络关键部件测试规范
New Network Critical Component Test Specification

刘明盛
Liu Ming Sheng (1933-), Chinese-American physicist, astronomer and mathematician

2017-10-11

A3

新增易碎和敏感器件增加包装要求
Increased packaging requirements for new fragile and sensitive devices

刘明盛
Liu Ming Sheng (1933-), Chinese-American physicist, astronomer and mathematician

2018-4-20

A4

增加4.7阻燃测试
Add 4.7 Flame retardant test

刘明盛
Liu Ming Sheng (1933-), Chinese-American physicist, astronomer and mathematician

2019-9-6

A5

增加PCB承认规范
Increased PCB Recognition Specification

刘明盛
Liu Ming Sheng (1933-), Chinese-American physicist, astronomer and mathematician

2020-6-19

B0

增加DDR/MOS管/BOSA承认规范，完善其它
Add DDR/MOS tube/BOSA recognition specification, improve other

所有电子元器件测试规范
All electronic component test specifications

刘明盛
Liu Ming Sheng (1933-), Chinese-American physicist, astronomer and mathematician

2020-7-15

B1

修正目录、修改记录，补充说明相关项目由双翼测
Amend the catalog, revise the record, and add a note stating that the relevant items were measured by the biplane

试或供应商提供测试报告。
test or the supplier provides a test report.

刘明盛
Liu Ming Sheng (1933-), Chinese-American physicist, astronomer and mathematician

2023-8-28

B2

删除MLCC测试规范中，使用热风枪进行电容加热判
Remove the MLCC test specification that enablescapacitor heating with a hot air gunjudgment

定温度特性的方法
Methods for determining temperature characteristics

张英杰
Zhang Yingjie

2024-4-29

B3

增加DC-DC、风扇测试规范
Add DC-DC, fan test specification

边玉龙
Bian Yulong (1938-), Chiang Kai-shek's second wife

拟定
formulate

审核
audits

批准
license

签名
sign (one's name with a pen etc)

边玉龙
Bian Yulong (1938-), Chiang Kai-shek's second wife

张英杰
Zhang Yingjie

李亚朋
Li Yapeng (1900-1985), communist politician

日期
dates

2024-4-29

2024-4-30

2024-4-30

一、MLCC Test Specification
I. MLCC Test Specification 

1.测试目的
1. Purpose of the test

保证MLCC相关参数与规格书所示一致；
Ensure that MLCC related parameters are consistent with those shown in the specification;

2.适用范围
2. Scope of application

适用于公司到所有产品上使用的MLCC；
Suitable for MLCCs used in all products from company to company;

3.测试设备和测试环境
3. Test equipment and test environment

3.1测试设备
3.1 Test equipment

LCR测试仪，温度箱，游标卡尺，直流电源，回流焊托盘，3M 600#胶纸
LCR Tester, Temperature Box, Vernier Calipers, DC Power Supply, Reflow Tray, 3M 600# Adhesive Paper

3.2测试环境
3.2 Test environment

温度：20±15℃

湿度：65±20%RH

大气压：86-106kPa
Atmospheric pressure:86-106kPa

4.MLCC材质分类
4.MLCC Material Classification

CLASS1：NPO（C0G）

CLASS2：X7R,X5R,Y5V

5.测试内容（环保部分报告由供应商提供，其它测试项目均由双翼完成）
5. Test Contents(The environmental protection part of the report will be provided by the supplier, and all other test items will be completed by Twinwing)

5.1外观部分
5.1 Appearance

5.1.1尺寸测量
5.1.1 Dimensional measurements

1）测试方法:使用游标卡尺测量MLCC的长、宽、高；
1) Test Method:Measure the length, width and height of the MLCC using vernier calipers;

2）判定标准：所测尺寸在规格书所示精度范围内；
(2) Judgment criteria: the measured dimensions are within the accuracy range shown in the specifications;

5.2电性能部分
5.2 Electrical properties section

5.2.1电容量
5.2.1 Electrical capacity

1）串（CS）并(CP)模式选择
1) Serial (CS) and parallel (CP) mode selection

CS：C<2nF

CP：C≥2nF
CP：C≥2nF

2）测试条件
2) Test conditions

CALSS1：频率1 MHz for C≤1 nF,电压1 Vrms at 20°C
CALSS1: Frequency1 MHzfor C≤1 nF,Voltage < /span>1 Vrms at 20°C

频率1 KHz for C>1 nF,电压1 Vrms at 20°C
Frequency1 KHzfor C>1 nF,Voltage1 Vrms at 20°C

CLASS2：频率1 KHz for C≤10μF,电压1 Vrms at 20°C
CLASS2: Frequency1 KHz for C≤10μF,Voltage 1 Vrms at 20°C

3）测试方法
3) Test Methods

A.根据待测试电容的电容量确定测试模式为串联还是并联，按
A. Determine whether the test mode is series or parallel according to the capacitance of the capacitor to be tested, press

B.根据待测试电容的电容量和5.2.2测试条件选择测试的频率，按
B. Select the frequency of the test according to the capacitance of the capacitor to be tested and the test conditions of 5.2.2, press the

C.按
C. Press

D.使用夹具连接待测试的电容两端，从液晶屏中读出电容量数值。
D. Use the fixture to connect the two ends of the capacitor to be tested, and read out the capacitance value from the LCD screen.

5.2.2判定标准：容量在要求精度范围内。
5.2.2 Judgment Criteria: The capacity is within the required accuracy.

5.3损耗（D/tan＆）
5.3 Losses (D/tan&)

5.3.1测试方法
5.3.1 Test methods

1）LCR电桥设置同5.2，按
1) LCR bridge setup is the same as 5.2, press the

2）使用夹具连接待测试的电容两端，从液晶屏中读出D值。D值的倒数为tan＆。
2) Use the fixture to connect the two ends of the capacitor to be tested, and read out the value of D from the LCD screen. the reciprocal of the value of D is tan&.

5.3.2判定标准：D值或者tan＆在规格书所示范围内。
5.3.2 Judgment Criteria: D-value or tan & within the range shown in the specification.

5.4温度特性
5.4 Temperature Characterization

5.4.1测试条件：公司产品正常回流焊时的炉温曲线；
5.4.1 Test conditions:Oven temperature profile of the company's products during normal reflow soldering;

5.4.2测试方法：
5.4.2 Test Methods:

1）测试前测量带测MLCC的电容量，并作好记录与标识；
1) Measure the capacitance of the MLCC under test before testing, and make records and markings;

2）将待测试的MLCC放在回流焊托盘，然后过回流焊炉；
2) Place the MLCC to be tested on the reflow tray and then over the reflow oven;

3）经过回流焊炉的MLCC静置在常温下24小时后测试电容量；
3) Test the electrical capacity of the MLCCs that have gone through the reflow oven after being left at room temperature for 24 hours;

5.4.3判定标准
5.4.3 Determination criteria

1）NPO：过回流焊炉后容量无变化；
1) NPO: No change in capacity after passing through the reflow oven;

2）X7R：过回流焊炉后电容量在±10%以内；
2) X7R: Capacitance within ±10% after reflow oven;

3）X5R:过回流焊炉后电容量在±20%以内；
3) X5R: Capacitance within ±20% after reflow oven;

4）Y5V：过回流焊炉后电容量在-20%—+80%以内；
4) Y5V: Capacitance within -20%-+80% after reflow soldering oven;

5.5最大工作电压
5.5Maximum Operating Voltage

5.5.1测试方法
5.5.1 Test Methods

1）使用LCR测量电容的电容量；
1) Measure the capacitance of the capacitor using an LCR;

2）使用直流电源给电容加压，电压为电容的最大工作电压，保持12小时；
2) Use a DC power supply to pressurize the capacitor at the maximum operating voltage of the capacitor and hold it for 12 hours;

3）12小时后，使用LCR再次测量电容的电容量；
3) After 12 hours, use the LCR to measure the capacitance of the capacitor again;

5.5.2判定标准：测试所得电容值无变化。
5.5.2 Determination Criteria: There is no change in capacitance value obtained from the test.

5.6机械性能部分
5.6Mechanical Properties Section

5.6.1端头剥离力测试
5.6.1 End Peel Test

1）测试方法：使用3M 600#胶纸包住焊接端头，45°拉胶纸，反复5次，每次都使用新的胶纸；然
1) Test Method: Use 3M 600# adhesive paper to wrap around the welded end, pull the paper at 45° and repeat the process 5 times, using a new adhesive paper each time; and then

后使用LCR测量电容量；
Afterwards the capacitance is measured using an LCR;

2）判定标准：电容量在规格书所示精度范围内；
2) Judgment criteria: Capacitance within the accuracy range shown in the specification;

5.6.2抗弯曲强度
5.6.2 Bending Strength

1）测试方法：测试前，先测试MLCC的电容量做好记录及标识，然后将MLCC焊在PCB板正中间，在焊
1) Test Method: Before testing, test the MLCC's capacitance to make a good record and marking, and then weld the MLCC in the middle of the PCB board, and then weld the MLCC in the middle of the PCB board, in the welding.

接位置背面施加压力，PCB下弯1mm；在弯曲状态下测量MLCC的电容量；
Pressure is applied to the back of the joint position and the PCB is bent down by 1mm; the capacitance of the MLCC is measured in the bent state;

判定标准：电容量实验前后无变化。
Determination Criteria: No change before and after the capacitance test.

5.7 详细测试内容见下表，环保报告由供应商提供。
5.7 Detailed test contents are shown in the following table,Environmental protection report will be provided by the supplier.

二、铝电解电容测试规范
Aluminum electrolytic capacitor test specification

1.测试目的
1. Purpose of the test

保证铝电解相关参数与规格书所示一致；
Ensure that the parameters related to aluminum electrolysis are consistent with those shown in the specifications;

2.适用范围
2. Scope of application

适用于公司到所有产品上使用的铝电解；
Suitable for aluminum electrolysis used on company to all products;

3.测试设备和测试环境
3. Test equipment and test environment

3.1测试设备:LCR测试仪，游标卡尺，直流电源，示波器，插拔力计
3.1 Test Equipment:LCR tester, vernier calipers, DC power supply, oscilloscopes, insertion/removal force gauge

3.2测试环境
3.2 Test environment

温度：20±15℃
Temperature:20±15℃

湿度：65±20%RH
Humidity:65±20%RH

大气压：86-106kPa
Atmospheric pressure:86-106kPa

4.测试内容
4. Test content

4.1外观部分
4.1 Appearance

4.1.1尺寸测量及外观检查(目测)
4.1.1 Dimensional measurementsand visual inspection)

1）测试方法：使用游标卡尺测量铝电解的直径、高度、脚间距、引脚直径、引脚长度；
1) Test Methods: Measurement of Aluminum Electrolytic Diameter, Height, Leg Spacing, Pin Diameter, Pin Length using Vernier Calipers;

2）目测表面无污渍、丕锋，丝印要清晰，丝印内容符合规格要求。
2)Visually inspect the surface withoutstaining, Pi-front, the silkscreen should be clear, silkscreen content in line with specifications.

3）判定标准：所测尺寸在规格书所示精度范围内；
3) Judgment criteria: the measured dimensions are within the range of accuracy shown in the specification;

4.2电性能部分
4.2 Electrical properties section

4.2.1电容量测试
4.2.1 Capacitance test

1）测试条件：频率120Hz，电压不超过额定工作电压
(1) Test conditions: frequency 120Hz, voltage does not exceed the rated operating voltage

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR；
A. Set the LCR according to the test conditions;

B.测量铝电解的电容量；
B. Measurement of the capacitance of an aluminum electrolytic;

3）判定标准：电容量在规格书所示精度范围内；
(3) Determination criteria: The electric capacity is within the accuracy range shown in the specification;

4.2.2损耗（D/tan＆）测试
4.2.2 Loss (D/tan &) Tests

1）测试条件：频率120Hz，电压不超过额定工作电压，根据LCR说明使用并/串联模式；
1) Test conditions: frequency 120Hz, voltage not exceeding rated operating voltage, using parallel/series mode according to LCR instructions;

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR；
A. Set the LCR according to the test conditions;

B.测量铝电解的D值；
B. Measure the D value of the aluminum electrolysis;

3）判定标准：测得的D值小于规格书所示最大D值；
(3) Judgment criteria: The measured D value is less than the maximum D value shown in the specification;

4.2.3阻抗测试（Z值）
4.2.3 Impedance test (Z-value)

1）测试条件：频率120Hz，电压不超过额定工作电压
(1) Test conditions: frequency 120Hz, voltage does not exceed the rated operating voltage

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR；
A. Set the LCR according to the test conditions;

B.测量铝电解的Z值；
B. Measure the Z value of the aluminum electrolysis;

3）判定标准：测得的Z值在于规格书所示范围内；
(3) Judgment criteria: The measured Z value is within the range shown in the specification;

4.2.4漏电流测试
4.2.4 Leakage current test

1）测试方法：
1) Test Methods:

A.设置绝缘耐压测试仪为直流输出，电压为铝电解最大工作电压，报警电流为规格书所示漏电流值的±5%或者0.1uA（取最大值），测试时间设置为60s。
A. Set the insulation withstand voltage tester as DC output, the voltage is the maximum working voltage of aluminum electrolysis, the alarm current is ±5% of the leakage current value shown in the specification or 0.1uA (take the maximum value), and the test time is set to 60s.

B.连接绝缘耐压测试仪和铝电解，开始测试
B. Connect the insulation withstand voltage tester and aluminum electrolysis, start testing

C.测试完成后对电容放电；
C. Discharge the capacitor after the test is completed;

2）判定标准：无报警
(2) Determination criteria: no alarm

4.2.5最大工作电压测试
4.2.5 Maximum operating voltage test

1）测试方法：
1) Test Methods:

A.使用直流电源给铝电解电容加压，从0V缓慢升压到规格书所示最大工作电压。
A. Use a DC power supply to voltage the aluminum electrolytic capacitor, slowly ramping up from 0V to the maximum operating voltage shown in the specification.

B.放置12小时。
B. Leave for 12 hours.

C.使用LCR测试铝电解电容容值。
C. Test the aluminum electrolytic capacitor capacitance using an LCR.

2）判定标准：LCR测试所得容值在规格书所示容值范围内。
(2) Determination criteria: LCR test obtained tolerance value in the specification shown in the range of tolerance values.

4.2.6寿命估算
4.2.6 Lifetime estimation

1）估算方法：考虑纹波。
1) Estimation method: considering ripple.

L=LD×2(T0-T)/10×K[1-(I/I0)]×(I/I0)×△T/10

L：温度T时考虑纹波的电容寿命
L: Capacitor life considering ripple at temperature T

LD：最高温度T0时额定纹波内的寿命
LD: Life within rated ripple at maximum temperature T0

T：实际工作温度
T: actual working temperature

T0：最高工作温度
T0: Maximum working temperature

△T：电容中心温升
△T: Capacitor center temperature rise

I：电路实际施加的纹波电流
I: the actual ripple current applied to the circuit

I0：最高工作温度下允许施加的最大纹波电流
I0: Maximum ripple current allowed to be applied at maximum operating temperature

K：施加纹波电流的寿命常数（不超过纹波电流范围取2，超过纹波电流范围取4）
K: Life constant for the applied ripple current (2 for not exceeding the ripple current range, 4 for exceeding the ripple current range)

其中：
Among them:

△T=I2×ESR/(A×H)

ESR：电容等效串联阻抗
ESR: Capacitor Equivalent Series Resistance

A：电容表面积（不包括胶盖）；A=2πrL+πr2
A: Capacitor surface area (excluding rubber cover); A=2πrL+πr2

H：散热系数
H: Heat dissipation factor

4.3机械性能部分
4.3 Mechanical properties section

4.3.1引脚抗拉力测试
4.3.1 Pin Tensile Tests

1）测试条件：施加的拉力和引脚直径的对应关系：
1) Test conditions: Correspondence between applied tension force and pin diameter:

2）测试方法
2) Test Methods

A.测试前使用LCR测试电容量；
A. Use an LCR to test the capacitance before testing;

B.使用插拔力计连接引脚，施加对应拉力；
B. Connect the pins using an insertion and extraction force gauge and apply the corresponding pulling force;

C.两个引脚测试完成后，使用LCR测试电容量；
C. After both pins have been tested, use the LCR to test the capacitance;

3）判定标准：前后测试电容量无变化。
(3) Determination criteria: no change in electrical capacity before and after testing.

4.4.详细测试内容见下表,红色字体部分由供应商提供测试报告。
4.4.Detailed tests are shown in the table belowSections in red font were provided by the supplier with a test report.

三、钽电容测试规范
Tantalum capacitor test specification

1.测试目的
1. Purpose of the test

保证钽电容相关参数与规格书所示一致；
Ensure that the relevant parameters of the tantalum capacitor are consistent with those shown in the specification;

2.适用范围
2. Scope of application

适用于公司到所有产品上使用的钽电容；
Tantalum capacitors suitable for use on all products from the company;

3.测试设备和测试环境
3. Test equipment and test environment

3.1测试设备：LCR测试仪，游标卡尺，直流电源，PCB光板，3M 600#胶纸
3.1 Test equipment: LCR tester, vernier calipers, DC power supply, PCB light board, 3M 600# adhesive paper

3.2测试环境：
3.2 Test environment:

温度：20±15℃
Temperature:20±15℃

湿度：65±20%RH
Humidity:65±20%RH

大气压：86-106kPa
Atmospheric pressure:86-106kPa

4.测试内容
4. Test content

4.1外观部分
4.1 Appearance

4.1.1尺寸测量
4.1.1 Dimensional measurements

1）测试方法：使用游标卡尺测量钽电容的长、宽、高、焊盘长和宽；
(1) Test method: Use vernier calipers to measure the length, width, height, pad length and width of the tantalum capacitor;

2）判定标准：所测尺寸在规格书所示精度范围内；
(2) Judgment criteria: the measured dimensions are within the accuracy range shown in the specifications;

4.2电性能部分
4.2 Electrical properties section

4.2.1电容量测试
4.2.1 Capacitance test

1）测试条件：频率120Hz，电压不超过额定工作电压
(1) Test conditions: frequency 120Hz, voltage does not exceed the rated operating voltage

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR；
A. Set the LCR according to the test conditions;

B.测量钽电解的电容量；
B. Measurement of the capacitance of tantalum electrolysis;

3）判定标准：电容量在规格书所示精度范围内；
(3) Determination criteria: The electric capacity is within the accuracy range shown in the specification;

4.2.2阻抗测试（Z值）
4.2.2 Impedance test (Z-value)

1）测试条件：频率120Hz，电压不超过额定工作电压；
(1) Test conditions: frequency 120Hz, voltage does not exceed the rated operating voltage;

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR；
A. Set the LCR according to the test conditions;

B.测量钽电解的Z值；
B. Measurement of the Z value of tantalum electrolysis;

3）判定标准：测得的Z值在于规格书所示范围内；
(3) Judgment criteria: The measured Z value is within the range shown in the specification;

4.2.3漏电流测试
4.2.3 Leakage current test

1）测试方法：同铝电解；
(1) Test method: same as aluminum electrolysis;

2）判定标准：同铝电解；
(2) Determination criteria: same as aluminum electrolysis;

4.3机械性能部分
4.3 Mechanical properties section

4.3.1端头剥离力测试：同1.6.6；插件物料测试引脚抗拉力。
4.3.1 Terminal stripping force test: the same as 1.6.6;Plug-in material test pin tensile force.

4.3.2抗弯曲强度：同1.6.7。
4.3.2 Bending strength: Same as 1.6.7.

5.其它测试项目详见下表,红色字体部分的测试项目由供应商提供测试报告。
5. Other test items are listed in the table below,The test items in red font are provided by the supplier.

四、电阻测试规范
IV. Resistance Test Specification

1.测试目的
1. Purpose of the test

保证电阻相关参数与规格书所示一致；
Ensure that the resistor-related parameters are consistent with those shown in the specifications;

2.适用范围
2. Scope of application

适用于公司到所有产品上使用的贴片电阻；
Suitable for company to all products used on the chip resistor;

3.测试设备和测试环境
3. Test equipment and test environment

3.1测试设备：LCR测试仪，游标卡尺，直流电源，3M 600#胶纸
3.1 Test equipment: LCR tester, vernier calipers, DC power supply, 3M 600# adhesive paper

3.2测试环境
3.2 Test environment

温度：20±15℃
Temperature:20±15℃

湿度：65±20%RH
Humidity:65±20%RH

大气压：86-106kPa
Atmospheric pressure:86-106kPa

4.测试内容
4. Test content

4.1外观部分
4.1 Appearance

4.1.1尺寸测量
4.1.1 Dimensional measurements

1）测试方法：使用游标卡尺测量贴片电阻的长、宽、高、焊盘长和宽；
1) Test Method: Use vernier calipers to measure the length, width, height, pad length and width of the chip resistor;

2）目测表面无污渍、丕锋，丝印要清晰，丝印内容符合规格要求。
(2) Visual inspection of the surface without stains, Pi front, silkscreen should be clear, silkscreen content in line with the specifications.

2）判定标准：所测尺寸在规格书所示精度范围内；
(2) Judgment criteria: the measured dimensions are within the accuracy range shown in the specifications;

4.2电性能部分
4.2 Electrical properties section

4.2.1阻值测试
4.2.1 Resistance Test

1）测试条件：频率120Hz，电压不超过额定工作电压；
(1) Test conditions: frequency 120Hz, voltage does not exceed the rated operating voltage;

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR；
A. Set the LCR according to the test conditions;

B.测量贴片电阻的阻值；
B. Measure the resistance of the chip resistor;

3）判定标准：电阻值在规格书所示精度范围内；
(3) Judgment criteria: Resistance value within the accuracy range shown in the specification;

4.2.2温度系数测试
4.2.2 Temperature coefficient test

1）测试条件：频率，电压不超过额定工作电压。
(1) Test conditions: frequency, voltage does not exceed the rated operating voltage.

2）测试方法：
2) Test methods:

A.使用LCR按照测试条件测量贴片电阻的电阻值R1；记录阻值和测试环境温度T1；
A. Use LCR to measure the resistance value R1 of the chip resistor according to the test conditions; record the resistance value and the test ambient temperature T1;

B.将热风枪温度设置为50°，使用热风枪给电阻加热，测试此时的电阻值R2；
B. Set the temperature of the heat gun to 50°, use the heat gun to heat the resistor and test the resistance value R2 at this time;

C.计算温度系数：
C. Calculate the temperature coefficient:

T.C.R=(R2-R1)/[R1*(50-T1)]X106(ppm/°C)

3）判定标准：温度系数在规格书所示范围内；
(3) Judgment criteria: Temperature coefficient within the range shown in the specification;

4.3机械性能部分
4.3 Mechanical properties section

4.3.1抗弯曲强度：同1.6.7。
4.3.1Flexural strength: as in 1.6.7.

其它测试项目详见下表,环保、环境可靠性部分由供应商提供测试报告。
Other test items are detailed in the following table, environmental protection, environmental reliability part of the supplier to provide test reports.

五、电感测试规范
V. Inductance Test Specification

1.测试目的
1. Purpose of the test

保证电感相关参数与规格书所示一致；
Ensure that inductor-related parameters are consistent with those shown in the specifications;

2.适用范围
2. Scope of application

适用于公司到所有产品上使用的电感；
Suitable for inductors used in companies to all products;

3.测试设备和测试环境
3. Test equipment and test environment

3.1测试设备：LCR测试仪，游标卡尺，直流电源，示波器，LCR,点温计，3M 600#胶纸
3.1 Test equipment: LCR tester, vernier calipers, DC power supply, oscilloscope, LCR, point thermometer, 3M 600 # adhesive paper

3.2测试环境
3.2 Test environment

温度：20±15℃
Temperature:20±15℃

湿度：65±20%RH
Humidity:65±20%RH

大气压：86-106kPa
Atmospheric pressure:86-106kPa

4.测试内容
4. Test content

4.1外观部分
4.1 Appearance

4.1.1尺寸测量
4.1.1 Dimensional measurements

1）测试方法：使用游标卡尺测量电感规格书所示的外形尺寸及脚间距；
(1) Test Method: Use vernier calipers to measure the external dimensions and foot spacing shown in the inductor specifications;

2）目测表面无污渍、丕锋，丝印要清晰，丝印内容符合规格要求。
2)Visually inspect the surface without stains, Pi front, silkscreen should be clear, silkscreen content in line with specifications.

3）判定标准：所测尺寸在规格书所示精度范围内；
(3) Judgment criteria: the measured dimensions are within the accuracy range shown in the specifications;

4.2电性能部分
4.2 Electrical properties section

4.2.1电感值测试
4.2.1 Inductance test

1）测试条件：频率：100kHz，电压：0.1V；
1) Test conditions: frequency: 100kHz, voltage: 0.1V;

2）测试方法
2) Test Methods

A.按照测试条件设置LCR
A. Set the LCR according to the test conditions

B.测量电感的电感值；
B. Measure the inductance of the inductor;

3）判定标准：电感值在规格书所示精度范围内；
(3) Judgment criteria: Inductance value within the accuracy range shown in the specification;

4.2.2 Q值测试
4.2.2 Q-testing

1）测试条件：见规格书所示测试条件；
(1) Test conditions: See test conditions shown in the specifications;

2）测试方法：
2) Test methods:

A.按照测试条件设置LCR
A. Set the LCR according to the test conditions

B.测量电感的电感值；
B. Measure the inductance of the inductor;

3）判定标准：Q值在规格书所示精度范围内；
(3) Judgment criteria: Q value within the accuracy range shown in the specification;

4.2.3直流阻抗测试（DCR）
4.2.3 DC impedance test (DCR)

1）测试方法
1) Test Methods

A.LCR频率设置为120Hz，电压1V；
A. The LCR frequency is set to 120 Hz at 1V;

B.测量电感的直流阻抗值；
B. Measure the DC impedance value of the inductor;

2）判定标准：测试值小于规格书所示最大直流阻抗；
(2) Judgment criteria: test value is less than the maximum DC impedance shown in the specification;

4.2.4饱和电流测试（叠加电流）
4.2.4 Saturation current test (superimposed current)

1）测试电路
1) Test Circuit

2）测试方法
2) Test Methods

A.S1打开，使用直流电源对电容充电；
A.S1 is turned on and the capacitor is charged using a DC power supply;

B.断开直流电源，闭合S1，电容对L和R1放电；
B. Disconnect the DC power supply and close S1, the capacitor discharges L and R1;

C.通过示波器得到整个放电过程的R1电压变化图形，电压从0V开始线性上升，当电感电流饱和时，电压曲线变陡，纪录变陡时的电压，除以R1阻值即得饱和电流；
C. Through the oscilloscope to get the whole discharge process of R1 voltage change graph, the voltage from 0V starts to rise linearly, when the inductor current saturation, the voltage curve becomes steeper, the record becomes steeper when the voltage, divided by the value of the R1 resistance that is the saturation current;

3）判定标准：测试值大于规格书所示饱和电流；
(3) Determination criteria: test value is greater than the saturation current shown in the specification;

4.2.5有效电流（温升电流）
4.2.5 Effective current (temperature rise current)

1）测试电路
1) Test Circuit

2）测试方法
2) Test Methods

A.确认规格书所示温升电流，使用直流电源给电感提供规格书所示温升电流；
A. Confirm the temperature rise current shown in the specification, and use a DC power supply to provide the temperature rise current shown in the specification to the inductor;

B.静置5分钟后，使用点温计测量电感表面的温度；
B. After standing for 5 minutes, use a spot thermometer to measure the temperature of the inductor surface;

3）判定标准：测试得到的温度小于等于规格书所示温升；
(3) Determination criteria: The temperature obtained from the test is less than or equal to the temperature rise shown in the specification;

5.机械性能部分
5. Mechanical properties section

5.1端头剥离力测试（贴片叠层电感）：同1.6.6；
5.1 Terminal peeling force test (SMD stacked inductance): Same as 1.6.6;

5.2抗弯曲强度（贴片叠层电感）：1.6.7。
5.2 Flexural strength (SMD stacked inductors): 1.6.7.

详细测试项目见下表。
Detailed test items are shown in the table below.

功率电感：环保、环境可靠性试验由供应商提供测试报告。
Power inductors: environmental protection, environmental reliability test by the supplier to provide test reports.

高频电感：电感量、环保、部分可靠性试验由供应商提供测试报告。
High frequency inductors: inductance, environmental protection, some reliability tests are provided by suppliers of test reports.

六、磁珠测试规范
VI. Magnetic bead test specification

1.测试目的
1. Purpose of the test

保证磁珠相关参数与规格书所示一致；
Ensure that the bead-related parameters are consistent with those shown in the specifications;

2.适用范围
2. Scope of application

适用于公司到所有产品上使用的磁珠；
Suitable for company to all products used on the magnetic beads;

3.测试设备和测试环境
3. Test equipment and test environment

3.1测试设备：LCR测试仪，游标卡尺，直流电源，点温计，3M 600#胶纸
3.1 Test equipment: LCR tester, vernier calipers, DC power supply, point thermometer, 3M 600# adhesive paper

3.2测试环境
3.2 Test environment

温度：20±15℃
Temperature:20±15℃

湿度：65±20%RH
Humidity:65±20%RH

大气压：86-106kPa
Atmospheric pressure:86-106kPa

4.测试内容
4. Test content

4.1外观部分
4.1 Appearance

4.1.1尺寸测量
4.1.1 Dimensional measurements

1）测试方法：使用游标卡尺测量磁珠规格书所示的外形尺寸；
(1) Test method: Use vernier calipers to measure the external dimensions shown in the bead specification;

2）判定标准：所测尺寸在规格书所示精度范围内；
(2) Judgment criteria: the measured dimensions are within the accuracy range shown in the specifications;

4.2电性能部分
4.2 Electrical properties section

4.2.1阻抗测试
4.2.1 Impedance test

1)测试条件:频率：100MHz。
1)Test condition:Frequency:100MHz.

2）测试方法
2) Test Methods

A.按照测试条件设置LCR
A. Set the LCR according to the test conditions

B.测量磁珠的阻抗值；
B. Measure the impedance value of the bead;

3）判定标准：阻抗值在规格书所示范围内；
(3) Judgment criteria: impedance value within the range shown in the specification;

4.2.2直流阻抗（DCR）
4.2.2 Direct current impedance (DCR)

1）测试方法
1) Test Methods

A.LCR频率设置为120Hz，电压1V；
A. The LCR frequency is set to 120 Hz at 1V;

B.测量磁珠的直流阻抗值；
B. Measure the DC impedance value of the bead;

2）判定标准：直流阻抗值在规格书所示范围内；
(2) Judgment criteria: DC impedance value within the range shown in the specification;

4.2.3额定电流
4.2.3 Rated current

1）测试电路
1) Test Circuit

2）测试方法
2) Test Methods

A.确认规格书所示额定电流，使用直流电源给磁珠提供规格书所示额定电流；
A. Confirm the rated current shown in the specification and use a DC power supply to supply the beads with the rated current shown in the specification;

B.静置5分钟后，使用点温计测量磁珠表面的温度；
B. After standing for 5 minutes, use a spot thermometer to measure the temperature of the surface of the beads;

3）判定标准：测试得到的温度小于等于规格书所示温升；
(3) Determination criteria: The temperature obtained from the test is less than or equal to the temperature rise shown in the specification;

4.3机械性能部分
4.3 Mechanical properties section

4.3.1端头剥离力测试：同1.6.6；
4.3.1 End stripping force test: Same as 1.6.6;

4.3.2抗弯曲强度：同1.6.7。
4.3.2 Bending strength: Same as 1.6.7.

详细测试项目见下表，阻抗值、环保、部分可靠性试验由供应商提供测试报告。
Detailed test items are listed in the table below,impedance value, environmental protection, and part of the reliability test will be provided by the supplier to provide test reports.