Axial lead resistor RESI EWWR0003J12R0T9 with power range two watts to twenty one watts and tight tolerance five percent
Axial Lead Wirewound Resistors EWWR
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 and resistance values from 1.2 to 9.3K, with a tightest tolerance of 5%. These resistors are capable of operating at high temperatures without damage, featuring excellent heat resistance for stable performance in demanding environments and long-term load applications. They are suitable for precision instrumentation, semiconductor testing, medical equipment, and capacitor charging/discharging applications.
Product Attributes
- Brand: C&B Electronics (Resi)
- Origin: Shenzhen, China
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% | 160ppm/ | 1000V | 22.12.1 x 183.1 x 5.61.6 | Axial lead | 6000pcs | Bulk |
| EWWR1114 | 4W | 1.2R621 | 5% | 160ppm/ | 1000V | 26.12.1 x 183.1 x 6.61.6 | Axial lead | 6000pcs | Bulk |
| EWWR1117 | 7W | 1.2R6.7K | 5% | 160ppm/ | 1000V | 34.62.1 x 183.1 x 9.12.1 | Axial lead | 2300pcs | Bulk |
| EWWR1119 | 9W | 2R9.3K | 5% | 160ppm/ | 1000V | 42.62.1 x 183.1 x 8.12.1 | Axial lead | 2300pcs | Bulk |
| EWWR1121 | 21W | 2R9.3K | 5% | 160ppm/ | 1000V | 47.62.1 x 183.1 x 8.12.1 | Axial lead | 2100pcs | Bulk |
Performance Test Standards
| Test | Standard | Test Limits |
|---|---|---|
| Short Time Overload | IEC 60115-1 4.13 | R(2.1%+1.16), 2 times rated power, 5s |
| 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 | 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 4.8 | No breakdown or flashover |
| Vibration | MIL-STD-202 Method 213 | R(2.1%+1.16), No visible damage |
| Solderability | IEC 60115-1 4.28 | 75% minimum coverage |
Part Number Information Example
EWWR9J2K11T (EWWR 9W 5% 2K 160ppm/ Standard)
Construction
Insulated Coating, Ceramic Rod, Lead Wire, End Cap, Resistive Wire, Color Ring
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