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polymeric switch
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sensitive-temperature
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PTC resettable fuses (overcurrent protection)

Overcurrent protection plate cell (PTC) is made of polymer material with conductor.

polymeric switch

Physical characteristics

 
Maximum operation/storage temperature:-40℃-85℃
 
Maximum surface temperature:130℃
Aging performance of high-temperature:85℃,1000h,△R≦±10%
Aging performance of high-temperature and high-humility:85%RH,1000h,
R≦±10%
Thermal shock:=125℃-40℃,10times,1000h, △R≦±10%
Vibration:10g,10times, △R≦±5%
 
 
DIMENTION:
polymeric switch
 
 
MODEL
A
B
C
D
E
F
min
max
min
max
min
max
min
max
min
max
min
max
 
RFE-175
 
 
3.8
 
4.1
 
2.5
 
3.5
 
21
 
24
 
12
 
12.5
 
4.2
 
5.5
 
0.6
 
0.9
 
 
 
 
Interactive test methods and standards
 
         Item
       Test method
        Standard
Dimension
Dimension size and mark
 
Zero resistance
25℃
Rmin≦R≦Rmax
Action time
25℃,Ih
T≦Ts
Rrnning current
25℃,Ih,30min
No action
Stand current
Vmax,I max,100times
No arcing,no flame
Stand voltage
Vmax,5Ih,48h
No arcing,no flame
 
 polymeric switch

 

polymeric switch

polymeric switch

polymeric switch

polymeric switch

polymeric switch

 

polymeric switch

polymeric switch

polymeric switch

polymeric switch

polymeric switch

 


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