PRX Thick Film Power Resistor
PRX Thick Film Power Resistor
- JRM
- PRX
·TO-220 package
·PCB mounting type
Electrical and mechanical characteristics
| Characteristics | Standards | Test methods |
| Resistance | Possible resistance range (20 Ω~ 1M Ω) | |
| Resistance tolerance | ±5% (J) | |
| Temperature Coefficient of Resistance | ±300ppm/°C | |
| Maximum allowed voltage | DC 350V | |
| Rated apparent power | 2W | Free air |
| 35 W | Flange temperatue ≤25°C | |
| Dielectric withstanding voltage | No evidence of mechanical damage or insulation breakdown | AC2000V for one minute |
| Terminal strength | No evidence of mechanical damage | |
| Vibration | No evidence of mechanical damage | 1.5mm 10~55~10Hz /one minuteX，Y and Z each direction for 2 hours |
| Resistance to soldering heat | No evidence of mechanical damage and appearance deterioratio n▲R/R≤±（1%+0.05Ω） | |
| Solderability | 95% coverage minimum with new solder |
Environmental characteristics
| Characteristics | Standards | Test methods |
| Temperature cycle | No evidence of mechanical damage ▲R/R≤±（1%+0.05Ω） | 0%ofrated power load -55°C (30 minute)~ +155°C (30 minute)100 cycles |
| Durability (Moisture resistance) | No evidence of mechanical damage ▲R/R≤±（5%+0.1Ω） | 0.2W ofrated power load 40+2°C93土3%RHf or 1000 hours |
| Durability (Nominal load) | No evidence of mechanical damage ▲R/R≤±（5%+0.1Ω） | 2W ofrated power load 90 minutes ON and 30 minutes OFF 25°C for 1000 hours |
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