1、总论(Scope)
本产品包括产品外形尺寸、性能及出厂检验标准,产品型号、规格。
This sppecification deals with shape ,dimensions, characteristics, inspection standard etc.
2、 说明(Specifications)
MF52B-103F3950FL70 |
||||
NTC Thermistor |
Resistance value |
B value |
||
R25 |
10K 1% |
B25/50 |
3950 1% |
3、 外形尺寸(Shape and dimension) (Unit:mm)
4、电性能(Electrical characteristics)
|
Item 项目 |
Symbol符号 |
Test Condition 测试条件 |
Min. 最小值 |
Nor. 正常值 |
Max. 最大值 |
Unit 单位 |
a |
Resistance at 25°C 25°C电阻值 |
R25 |
25±0.05°C |
9.9 |
10.0 |
10.1 |
kΩ |
b |
Bvalue B值 |
B25/50 |
B= |
3910.5 |
3950 |
3989.5 |
k |
c |
Insulation resistance 绝缘电阻 |
/ |
500VDC |
50 |
/ |
/ |
MΩ |
d |
Thermal time constant 热时间常数 |
τ |
in still air 静止空气中 |
/ |
/ |
2.0 |
sec |
e |
Thermal dissipation constant 热耗散系数 |
δ |
in still air 静止空气中 |
2.0 |
/ |
/ |
mw/°C |
f |
Operating temperature range 使用温度范围 |
/ |
/ |
-30 |
/ |
125 |
°C |
5、出厂检验(Outgoing Inspection)
5.1 The product shall be inspected at every delivery lot inspection items, sampling quantities and sampling acceptable standard are as follows. 产品批量出厂前必须进行如下项目抽检,抽样数及标准如下:
Inspection Item 检验项目 |
Sampling acceptable Standard 抽样合格标准 |
Remarks 备注 |
Resistance value 电阻值 |
N=20,Ac=0,Re=1 |
4(a) |
B value B值 |
N=10,Ac=0,Re=1 |
4(b) |
Insulation Resistance 绝缘电阻 |
N=5,Ac=0,Re=1 |
4(c) |
Shape & dimensions 外形尺寸 |
N=5,Ac=0,Re=1 |
3 |
Appearance 外观 |
N=5,Ac=0,Re=1 |
3 |
5.2 检验数据 Inspection data
检验数据必须留以备索(Inspecteon data will be issued for pay upon request.)
6、包装方式(packing)
包装方式必须保证在运输过程中避免伤及污染。
Pacding shall be done not to cause damage or soil during delivry.