Wire Wound Resistors
Wire Wound Resistor boasts a robust power rating that spans from 0.5W to 8W, accommodating a wide array of applications requiring precision and reliability. Its resistance range, extending from 100m ohm to 3.3K ohm, allows for fine-tuning of electrical circuits. Designed to endure harsh conditions, this resistor maintains long-term stability even under large loads and high ambient temperatures, ensuring consistent performance over time. The flameproof multi-layer coating, compliant with UL 94 V-0 standards, adds an extra layer of safety, while the resistor's adherence to UL 1412 overload testing further guarantees its durability. The color code, adhering to MIL & EIA standards, facilitates easy identification and integration. Additionally, the resistor features high-quality, special tin-plated electrolytic copper lead wires for enhanced conductivity and corrosion resistance.
| Type | Body Length (L, mm) | Body Diameter (D, mm) | Lead Wire Length (H, mm) | Lead Wire Diameter (d, mm) |
|---|---|---|---|---|
| 1/2W | 8.80 ± 1.0 | 3.2 ± 0.2 | 28 ± 3.0 | 0.6 ± 0.03 |
| 1W | 11.0 ± 1.0 | 4.0 ± 0.5 | 28 ± 3.0 | 0.7 ± 0.03 |
| 2W | 13.5 ± 1.0 | 5.0 ± 0.5 | 30 ± 3.0 | 0.8 ± 0.03 |
| 3W | 15.5 ± 1.0 | 5.5 ± 0.5 | 30 ± 3.0 | 0.8 ± 0.03 |
| 4W/5W | 19.0 ± 1.0 | 6.0 ± 0.5 | 30 ± 3.0 | 0.8 ± 0.03 |
| 6W | 24.0 ± 1.0 | 8.0 ± 0.5 | 35 ± 3.0 | 0.8 ± 0.03 |
| 7W/8W | 31.5 ± 1.0 | 8.0 ± 0.5 | 30 ± 3.0 | 0.8 ± 0.03 |
| Power Rating (at 70°C) | Maximum Working Voltage | Maximum Overload Voltage | Minimum Resistance | Maximum Resistance | Resistance Tolerance |
|---|---|---|---|---|---|
| 1/2W | 350V | 600V | 0.12Ω | 3902Ω | ±2%, ±5% |
| 1W | 350V | 600V | 0.12Ω | 4492Ω | ±2%, ±5% |
| 2W | 350V | 700V | 0.12Ω | 5492Ω | ±2%, ±5% |
| 3W | 350V | 700V | 0.12Ω | 10000Ω | ±2%, ±5% |
| 4W/5W | 450V | 800V | 0.12Ω | 10000Ω | ±2%, ±5% |
| 6W | 500V | 1000V | 0.12Ω | 30000Ω | ±2%, ±5% |
| 7W/8W | 600V | 1200V | 0.12Ω | 30000Ω | ±2%, ±5% |
| Characteristics | Limits |
|---|---|
| Temperature Coefficient 1/2W to 8W, PPM / °C* | ±100, ±300 |
| Operating Temperature Range, °C | -55 ~ +200 |
| Insulation Resistance, MΩ | 10⁴ |
Indicates that the temperature coefficient values may vary depending on specific conditions.
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Resistor Supplies - Jepsun Tech Corporation
+86755-29796190 +8615920026751 [email protected]
Huangjiazhongxin building Donghuan Road Longhua District SHENZHEN City, GUANGDONG Prov. CHINA 518000
