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DISC 自恢复保险丝

pptc
 Feature:

The circular PTC disc devices provide protection for primary and secondary cylindrical battery cells. Since each customer has different design of the battery cell, Polytronics offers tailor-made disc devices to meet special customers' needs. This disc product is designed for low Voltage(15 Volt) resettable fuse for battery application.

pptc

DISC PRODUCT

ELECTRICAL CHARACTERISTICS

Part Number I hold(A) Vmax(Vdc) I max(A) Maximum Time To Trip Resistance Sample Available
Current(A) Time (Sec.) R min(Ω) R 1max(Ω)
PTC-3870D 3.50 15 40 12.50 10.00 0.008 0.045 Now
PTC-3871D 2.50 15 40 10.00 6.00 0.018 0.065 Now
PTC-3872N 3.00 15 40 12.00 5.00 0.015 0.060 Now
PTC-3873N 3.00 15 40 10.00 5.00 0.017 0.065 Now
PTC-3874N 2.50 15 40 10.00 5.00 0.014 0.060 Now
PTC-3875N 2.80 15 40 5.00 80.00 0.015 0.060 Now
PTC-3876N 1.20 15 40 10.00 10.00 0.015 0.078 Now
PTC-3877N 1.20 15 40 10.00 5.00 0.025 0.072 Now
PTC-3878N 1.40 15 40 8.00 1.00 0.040 0.100 Now
PTC-3879N 2.20 15 40 10.00 5.00 0.005 0.055 Now
　

PHYSICAL DIMENSIONS (mm)

Part number A B C

Electrode

Material
Max. Max. Max.
PTC-3870D 14.15 7.55 0.36 Ni/Cu
PTC-3871D 15.15 9.05 0.36 Ni/Cu
PTC-3872N 16.10 10.15 0.38 Ni
PTC-3873N 16.33 11.05 0.35 Ni
PTC-3874N 16.10 10.15 0.36 Ni
PTC-3875N 14.45 6.35 0.38 Ni
PTC-3876N 15.45 9.05 0.36 Ni
PTC-3877N 15.80 9.05 0.34 Ni
PTC-3878N 11.75 5.55 0.36 Ni
PTC-3879N 16.05 8.05 0.36 Ni
　

pptc
 
 
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mark rohs

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