HT-HPRA300 High-power Thick Film Non-inductive Resistor
Resistance Ranges 0.5 Ω – 1 MΩ
Resistance Tolerance ±5% to ±10%
Temperature Coefficient ±150 PPM/℃ (25℃ – 105℃)
Power Rating at 85°C 300W at BCT
描述
Product Description
| Feature | Specification |
|---|---|
| Design | Thick film & Non-inductive design |
| Compliance | ROHS compliant |
| Load Capability | High wattage and pulse loading |
| Installation | Easy load connecting with M4 or M5 screws |
| Material Standards | Materials in accordance with UL 94 V-0 |
| 应用案例 | Variable speed drives, power supplies, control devices, robotics, motor control, and other power designs |
| Applicable Standards | IEC60115-1:2001 (GB/T5729-2003), MIL-STD-202, MIL-R-39009D |
| Dimensions | 57 mm x 36 mm x 25.2 mm |
| Mounting Holes | 2 x M4 |
| Useful Depth | 15.2 mm ± 0.5 mm |
Technical and Standard Electrical Specifications
| Parameter | Value |
|---|---|
| Resistance Ranges | 0.5 Ω – 1 MΩ |
| Resistance Tolerance | ±5% to ±10% |
| Temperature Coefficient | ±150 PPM/℃ (25℃ – 105℃), negotiable on special request |
| Power Rating at 85°C | 300W at BCT |
| Max. Working Voltage | 5000V DC |
| Peak Current | Up to 1500 Amp, depending on pulse length and frequency |
| Electric Strength Voltage | 6kVrms at 50Hz, up to 12kVrms upon request |
| Insulation Resistance | Min. 10 GΩ at 500V |
| Creeping Distance | Min. 42 mm |
| Air Distance | Min. 14 mm |
| Inductance | ≤80 nH |
| Capacity/Mass | ≤110 pF |
| Capacity/Parallel | ≤40 pF |
| Moisture Resistance | 56 days/40℃, RH≥95%, ΔR≤± (0.25% + 0.001 Ω) |
| Temp. Cycling | -55°C/+125°C (each 0.5h), 5 cycles, ΔR≤±(0.2%+0.001Ω) |
| High-Frequency Vibration | MIL-Std-202, Method 204, cond. D, ΔR≤±(0.2% + 0.001 Ω) |
| Short Time Overload | 450W, 70°C, 10 seconds, ΔR≤±(0.4%+0.001 Ω) |
| Working Temperature Range | -55℃ to 175℃ |
