Supports higher current and thermal capacity, providing reliable protection for medium-power circuits. Widely used in industrial electronics, battery pack protection, and IoT terminal devices.
| Part No | Resistance (25℃) (kΩ) | B Constant (25/50℃) (K) | B Constant (25/85℃) (K) | Permissible Operating Current (25℃) (mA) | Dissipation Factor (mW/℃) | Thermal Time Constant (s) | Rated Electric Power (25℃) (mW) | Operating ambient temperature (℃) |
| JR1206N103F3435FB | 10 | 3435 | 3500 | 0.66 | 3.0 | <8 | 200 | -40~+125 |
| JR1206N103F3950FB | 10 | 3950 | 3987 | 0.66 | ||||
| JR1206N223F3950FB | 22 | 3950 | 3987 | 0.6 | ||||
| JR1206N223F4050FB | 22 | 4050 | 4110 | 0.6 | ||||
| JR1206N333F3950FB | 33 | 3950 | 3987 | 0.55 | ||||
| JR1206N473F3950FB | 47 | 3950 | 3987 | 0.48 | ||||
| JR1206N473F4050FB | 47 | 4050 | 4110 | 0.48 | ||||
| JR1206N104F3950FB | 100 | 3950 | 3987 | 0.21 | ||||
| JR1206N104F4050FB | 100 | 4050 | 4110 | 0.21 | ||||
| JR1206N104F4250FB | 100 | 4250 | 4310 | 0.21 | ||||
| JR1206N224F3950FB | 220 | 3950 | 3987 | 0.18 | ||||
| JR1206N224F4250FB | 220 | 4250 | 4100 | 0.18 | ||||
| JR1206N334F3950FB | 330 | 3950 | 3987 | 0.18 | ||||
| JR1206N334F4250FB | 330 | 4250 | 4310 | 0.18 | ||||
| JR1206N474F3950FB | 470 | 3950 | 3987 | 0.15 | ||||
| JR1206N474F4250FB | 470 | 4250 | 4310 | 0.12 |
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