DISC PTC Device
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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. |
DISC PRODUCT
ELECTRICAL CHARACTERISTICS
| Part Number | I hold(A) | Vmax(Vdc) | I max(A) | Maximum Time To Trip | Resistance | SampleAvailable | ||
| 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 |
Revision
3.7 1 Dec,2003
