PTC

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.

Part Number I hold (A) V max (Vdc) I max (A) Maximum Time To Trip Resistance Agency Approval Current (A) Time (Sec.) R min (Ω) R 1max (Ω) PTC-3870D 3.5 15 40 12.5 10 0.008 0.045 √ √ PTC-3871D 2.5 15 40 10 6 0.018 0.065 √ √ PTC-3872N 3 15 40 12 5 0.015 0.06 √ √ PTC-3873N 3 15 40 10 5 0.017 0.065 √ √ PTC-3874N 2.5 15 40 10 5 0.014 0.06 √ √ PTC-3875N 2.8 15 40 5 80 0.015 0.06 √ √ PTC-3876N 1.2 15 40 10 10 0.015 0.078 √ √ PTC-3877N 1.2 15 40 10 5 0.025 0.072 √ √ PTC-3878N 1.4 15 40 8 1 0.04 0.1 √ √ PTC-3879N 2.2 15 40 10 5 0.005 0.055 √ √