Products › Film Resistors › High Voltage Pulse Resistors
High Voltage Pulse Resistors
- High-voltage pulse resistance
- Stable, highly reliable
- High-temperature & moisture resistance
- Non-flammable
- Tolerance: ±1%, ±2%, ±5%
Applications: Energy and electric power, industrial electrical equipment, medical electronics, automotive electronics, household appliances, defense, aerospace
Dimensions & Specifications
| Rated Power: Standard | Rated Power: Miniature | φD (mm) | L (mm) | H (mm) | φd (mm) |
|---|---|---|---|---|---|
| 1/4W | 1/2WS | 2.3±0.5 | 6.5±1 | 28±2 | 0.45±0.1 |
| 1/2W | 1WS | 3.5±0.5 | 9.0±1.5 | 25±2 | 0.50±0.1 |
| 1W | 2WS | 4.5±1.0 | 11.5±1.5 | 24±2 | 0.60±0.1 |
| 2W | 3WS | 5.0±1.0 | 15.5±1.5 | 27±3 | 0.65±0.1 |
| 3W | 5WS | 6.0±0.5 | 17.0±1.5 | 27±3 | 0.70±0.1 |
| 5W | 7WS | 8.0±1.0 | 24.0±1.5 | 33±3 | 0.75±0.1 |
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Voltage Characteristics
| Rated Power: Standard | Rated Power: Miniature | Maximum Working Voltage | Maximum Overload Voltage | Dielectric Withstand Voltage | Impulse Voltage (Surge) |
|---|---|---|---|---|---|
| 1/4W | 1/2WS | 350V | 700V | 350V | 3000V |
| 1/2W | 1WS | 500V | 1000V | 500V | 4000V |
| 1W | 2WS | 700V | 1400V | 500V | 5000V |
| 2W | 3WS | 1000V | 2000V | 700V | 6000V |
| 3W | 5WS | 1500V | 3000V | 750V | 7000V |
| 5W | 7WS | 2000V | 4000V | 1000V | 8000V |
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If the rated voltage exceeds the maximum working voltage, use the maximum working voltage.
Electrical Characteristics
| Test Item | Technical Requirements | Test Conditions / Standard |
|---|---|---|
| Operating temperature range | -55°C to +125°C | |
| Temperature coefficient | ±500ppm/°C | Test temperature: room temperature +100°C |
| Dielectric withstand voltage | No burning or insulation breakdown | Apply the AC voltage specified for each rating for 60 seconds |
| Short-time overload | ±(1%+0.05Ω) | 2.5 times rated voltage or 2 times limiting voltage, whichever is lower, for 5 seconds |
| Temperature cycling | ±(1%+0.05Ω) | -55°C to +125°C, 5 cycles |
| Moisture resistance under load | ±(5%+0.1Ω) | 40°C, 95%RH; rated voltage applied for 1.5 hours ON, 0.5 hours OFF, for 1000 hours |
| Load life | ±(5%+0.1Ω) | 70°C; rated voltage applied for 1.5 hours ON, 0.5 hours OFF, for 1000 hours |
| Resistance to soldering heat | ±(1%+0.05Ω) | 350°C for 3 seconds |
| Solderability | Coverage of at least 95% | 255°C for 3 seconds |
| Impulse voltage | No burning or insulation breakdown | Apply voltage for 2.5 seconds ON and 2.5 seconds OFF, for 10 cycles |
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Technical Details
Load Derating Curve
Y axis: Rated Power (%)
X axis: Ambient Temperature (°C)
Product Structure
- A: End cap
- B: Ceramic core
- C: Resistive film
- D: Insulating coating
- E: Color-code bands
- F: Lead
- G: Identification band
Yellow identification band: high-voltage pulse resistor
