SHENZHEN JINGDACHENG ELECTRONICS CO.,LTD
All for protecting your circuits, all for electric safety!
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| Rated Power | A±0.3 | B±0.3 | C±0.3 | D±0.3 | Emax | Resistance Range | Max working voltage |
| 2W | 4.0 | 6.7 | 1.4 | 3.55 | 7.9 | 10R-20M | 300V |
| 3W | 5.5 | 10.5 | 1.7 | 5.0 | 12.0 | 10R-20M | 500V |
| 5W | 7.3 | 13.5 | 1.7 | 6.8 | 17.0 | 10R-20M | 500V |
| Characteristics | Standard | Test Method |
| Resistance Tolerance | ±1%(F), ±5%(J) | / |
| TCR | ±100ppm/℃ | -55℃-200℃ |
| Rated Power Load | Surface Tem. 275℃ Max ΔR/R≤±1% | Rated voltage for 30 mins |
| Short Time Overload | ±0.5% | 5 times of rated power for 5 Seconds |
| Dielectric Withstanding Voltage | No evidence of machanical damage or insulation breakdown. | AC 500V for 1 Min |
| Insulation Resistance | 10,000MΩ | DC 500V Megger |
| Solderability | Min 95% coverage | ±250 ±5℃ for 2 seconds |
| Resistance to soldering heat | No evidence of machanical damage ΔR/R≤±1% | 270±5℃ for 10±1 seconds |
| Characteristics | Standards | Test Methods |
| Temp. Cycle | ΔR/R≤±1% | -55℃(30mins) →Room Temp.(3 mins) →+200℃(3 mins) →Room Temp.(3 mins) 5 Cycles |
| Load Life | ΔR/R≤±1% | Rated power load 90 min 30 min OFF 70℃, 1000 hours |
| Moisture-proof Load Life | ΔR/R≤±1% | Rated power load 90 min 30 min OFF 40℃, 95% RH 500 Hours |