EWWR Axial Lead Wirewound Resistors
The EWWR series is an economical axial lead wirewound resistor designed for flexible circuit design with its small size and high power capabilities. It offers a resistance range from 1.2 to 9.3K, with a tightest tolerance of 5% and an insulation voltage of 811V. These resistors can operate at high temperatures up to 266, ensuring stable performance and high reliability in demanding applications. They are ideal for precision instrumentation, semiconductor testing equipment, medical equipment, and capacitor charging & discharging applications.
Product Attributes
- Brand: C&B Electronics Shenzhen CO., LTD.
- Origin: Shenzhen, China
- Material: Wirewound (specific material not detailed)
- Color: Non-flammable paint encapsulation (color not specified)
- Certifications: IEC 60115-1, MIL-STD-313
Technical Specifications
| Series | Resistance Range | Tolerance | TCR | Rated Power | Insulation Voltage | Dimensions (mm) L 2.1 / l 3.1 / D 1.6 / d 1.16 | Termination | MOQ | Packaging |
|---|---|---|---|---|---|---|---|---|---|
| EWWR1112 | 1.2R621 | 5% | 161ppm/ | 2W | 811V | 21.1 / 38 / 5.6 / 1.76 | Axial lead | 6111pcs | Bulk |
| EWWR1114 | 1.2R621 | 5% | 161ppm/ | 4W | 811V | 26.1 / 38 / 6.6 / 1.86 | Axial lead | 2311pcs | Bulk |
| EWWR1117 | 1.2R6.7K | 5% | 161ppm/ | 7W | 811V | 34.6 / 38 / 9.1 / 1.86 | Axial lead | 2311pcs | Bulk |
| EWWR1119 | 2R9.3K | 5% | 161ppm/ | 9W | 811V | 42.6 / 38 / 8.1 / 1.86 | Axial lead | 2311pcs | Bulk |
| EWWR1121 | 2R9.3K | 5% | 161ppm/ | 21W | 811V | 47.6 / 38 / 8.1 / 1.86 | Axial lead | 2111pcs | Bulk |
Performance Test Standards and Limits:
- Short Time Overload (IEC 60115-1 4.13): R(2.1%+1.16)
- Moisture Resistance (IEC 60115-1 4.15): R(6.1%+1.2)
- Load Life (IEC 60115-1 4.16.2): R(6.1%+1.2)
- Terminal Strength (IEC 60115-1 4.27): Tensile: 20N, 40s; Bending: 5N, 3 cycles; Torsion: 6 cycles. R(2.1%+1.16). No visible damage.
- Resistance to Solder Heat (IEC 60115-1 4.19): R(2.1%+1.16). No visible damage.
- Thermal Shock (IEC 60115-1 4.20): R(2.1%+1.16). No visible damage.
- Withstand Voltage (IEC 60115-1 4.28): No breakdown or flashover.
- Vibration (MIL-STD-313 Method 115): R(2.1%+1.16). No visible damage.
- Solderability (IEC 60115-1 4.29): 90% minimum coverage.
Part Number Information Example: EWWR1119J2K11T (EWWR, 9W, 5%, 2K, 161ppm/)
2504101957_RESI-EWWR0010J100RT9_C349082.pdf
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