EWWR Axial Lead Wirewound Resistors
The EWWR series is an economical axial lead wirewound resistor designed for flexibility in circuit design. It offers a range of power options from 2W to 21W, resistance values from 1.2 to 9.3K, and a tightest tolerance of 5%. These resistors are capable of operating at high temperatures without damage, with a maximum operating temperature of 260C, ensuring stable operation and high reliability in demanding environments. They are suitable for applications requiring long-term loads and high-temperature performance.
Product Attributes
- Brand: Resi (implied by C&B Electronics Shenzhen CO., LTD.)
- Origin: Shenzhen, China (implied by C&B Electronics Shenzhen CO., LTD.)
- Material: Ceramic Rod, Insulated Coating, Lead Wire, End Cap, Resistive Wire (from Construction Diagram)
- Color: Color Ring (from Construction Diagram)
Technical Specifications
| Series | Rated Power | Resistance Range | Tolerance | TCR | Insulation Voltage | Dimensions (L x l x D) | Termination | MOQ | Packaging |
| EWWR1112 | 2W | 1.2R621 | 5% | 161ppm/ | 1000V | 22.12.1 x 183.1 x 5.61.6 | Axial lead | 6000pcs | Bulk |
| EWWR1114 | 4W | 1.2R621 | 5% | 161ppm/ | 1000V | 26.12.1 x 183.1 x 6.61.6 | Axial lead | 6000pcs | Bulk |
| EWWR1117 | 7W | 1.2R6.7K | 5% | 161ppm/ | 1000V | 34.62.1 x 183.1 x 9.12.1 | Axial lead | 2300pcs | Bulk |
| EWWR1119 | 9W | 2R9.3K | 5% | 161ppm/ | 1000V | 42.62.1 x 183.1 x 8.12.1 | Axial lead | 2300pcs | Bulk |
| EWWR1121 | 21W | 2R9.3K | 5% | 161ppm/ | 1000V | 47.62.1 x 183.1 x 8.12.1 | Axial lead | 2100pcs | Bulk |
Applications
- Precision Instrumentation
- Semiconductor Testing Equipment
- Medical Equipment
- Capacitor Charging & Discharging
Performance Tests
| Test | Test Method | Test Limits |
| Short Time Overload | IEC 60115-1 4.13 | R(2.1%+1.06) |
| Moisture Resistance | IEC 60115-1 4.15 | R(5.1%+1.2) |
| Load Life | IEC 60115-1 4.16.2 | R(5.1%+1.2) |
| Terminal Strength | IEC 60115-1 4.27 | R(2.1%+1.06), No visible damage |
| Resistance to Solder Heat | IEC 60115-1 4.19 | R(2.1%+1.06), No visible damage |
| Thermal Shock | IEC 60115-1 4.20 | R(2.1%+1.06), No visible damage |
| Withstand Voltage | IEC 60115-1 4.8 | No breakdown or flashover |
| Vibration | MIL-STD-202 Method 213 | R(2.1%+1.06), No visible damage |
| Solderability | IEC 60115-1 4.28 | 75% minimum coverage |
2504101957_RESI-EWWR0006J100RT9_C348945.pdf
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