Details
This Pre-charge resistor is a high-performance axial type resistor. These molded-construction metal-housed resistors are available in higher power ratings than standard axial resistors and are better suited to withstanding vibration, shock and harsh environmental conditions. They feature aluminum housings to maintain high stability during operation and to permit secure mounting to chassis surfaces. The metal housing also provides heat-sinking capabilities.
Features
| » | High Stability |
| » | ±0.5% ΔR |
| » | High power to size ratio |
| » | Metal housing allows chassis mounting and provides heat sink capability |
Specifications
| Material Housing | Metal, anodised aluminum |
| Internal Coating | Silicon |
| Core | Ceramic |
| Terminals | Solder-coated axial |
| Derating | Linear from 100% @ +25°C to 0% at +275°C |
| Electrical Tolerance | ±1% |
| Power Rating * | 50W |
| Overload | 250W (5 seconds) |
| Temperature coefficient | |
| » Under 1Ω | ±90 ppm/°C |
| » 1 to 9.99Ω | ±50 ppm/°C |
| » 10Ω and over | ±20 ppm/°C |
| Dielectric withstanding voltage | 2250 VAC |
* Power rating: Rating is based on chassis mounting area and temperature stability. Proper heat sink as follows; 50W units, 12” x 12” x .059” Aluminum panel.
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