TCO is tested in the oil bath of which
the starting temperature(Tf minus 12℃)
maintains 5 minutes and the
temperature rises at 0.5-1℃/min(testing
current less than 10mA). Record down
the temperature when TCO fuses off.
检验方法
Test method
耐压
r
r
(两极间)
Voltage
withstand
(between two
poles)
耐压
(极与壳之间)
Voltage
withstand
(between pole
and shell)
绝缘性
Insulating
property
耐扭转试验
Torsi on
resistance test
抗拉力测试
Tensile test
N
1/5 N
N
1/5 N
1/5 N
高压机
High pressure
machine
高压机
High pressure
machine
绝缘电阻表
Insulation
resistance
meter
目视
Visual
inspection
拉力测试器、
砝码
Tension tester,
balancing
weight
不得有击穿现象
No breakdown
phenomenon
不得有击穿现象
No breakdown
phenomenon
应≥0.2MΩC=0
环氧树脂无脆裂且引脚
无断裂现象
Epoxy resin no brittle
crack and no fracture of
lead
环氧树脂无脆裂且引脚
无断裂现象
Epoxy resin no brittle
crack and no fracture of
lead
C=0
C=0
C=0
C=0
测试熔断后的产品,在二引脚之间施
加 500V 电压 1min(漏电流:2 mA)
After testing fusing-off products, 500V
voltage is applied to
between the two pins for 1min (leakage
current: 2 mA)
TCO is tested in the oil bath of which the starting
temperature(Tf minus 12℃) maintains 5 minutes
and the temperature rises at 0.5-1℃/min(testing
current less than 10mA). Record down the
temperature when TCO fuses off.
极限温度
(Tm)
保持温度
(Th)
老化
Aging
15
试样无闪络、击穿 绝缘
恒温\ 绝缘电
阻表\高压机
3
3
Thermostat \
insulation
resistance meter
\ high pressure
machine
Thermostat temperature control at
TM+0/-5℃,put the sample inside for 10 min,
then conduct tests of insulation and voltage
withstand. After the testing, check and make sure
there is no flashover, breakdown or re-conduction.
1st stage: samples stored condition of Tf-15K
for 3 weeks, at the end of testing, at least 50%
samples not fuse off; 2nd stage: samples stored
in condition of Tf-10K for 2 weeks; 3rd
stage: samples stored in condition of Tf-5K for 1
week; 4th stage: samples stored in Tf-3K for 1
week; 5th stage: samples stored in Tf+3K for 24
hours;
7.参数说明
额定动作温度
Rated functioning
temperature
)
( T
f
实际动作温度
Fusing-off
temperature
保持温度
Holding
temperature ( T
极限温度
Maximum
temperature limit
(Parameter specifies)
温度保险丝按安全标准规定方法测试,改变其导电状态的温度。按基于 IEC60691 的安
规标准规定, 温度保险丝必须在上述温度+0/-10℃范围内动作。简称 T
The temperature at which a Thermal Cutoff changes its state of conductivity to open circuit
detection current. The tolerance according to IEC60691 is form +0 to -10 ℃ .
温度保险丝在硅油池内以每分钟 0.5 - 1.0℃速率升温,检测电流小于 10mA 条件下所
测得的熔断温度。它是温度保险丝的实际动作温度。
The Fusing-off temperature indicates valun measured in silicon oil with a temperature
increased by 0.5-1℃ per minute and a detective current 10mA or less.
温度保险丝在通过额定电流时,能保持 168 小时而不会改变其导电状态的最高温度.用
Th表示。
The maximum temperature at which a Thermal Cutoff will not cause a change in state of
)
h
conductivity to open circuit while conduction rated current for 168H .This rating is required
by safety standards based on IEC60691.
温度保险丝能承受 10 分钟而不会发生重新接通现象的最高温度。简称为 T
The maximum temperature at which a Thermal Cutoff can be maintained for 10 minutes
.
f
m
.
( Tm)
without reclosing. This rating is required by safety standards based on IEC60691.