Product Overview
The Vishay Sfernice RSSD series offers industrial high-power vitreous tubular wirewound resistors with adjustable capabilities. Designed for demanding applications, these resistors provide high power ratings from 16 W to 600 W at 25 C, excellent thermal shock resistance, and robust mechanical strength. They are suitable for heavy overloads and offer low ohmic values, making them ideal for applications requiring precise power dissipation and reliability under harsh conditions.
Product Attributes
- Brand: Vishay Sfernice
- Material: Stainless Steel 304 L (collars)
- Certifications: NF F 16101, 10/1988 and 16102, 04/1992 (Not applicable)
Technical Specifications
| Model Size | Resistance Range | Rated Power P25 C W | Tolerance % | Approx. Average Unit Weight g | Temperature Range C | Climatic Category |
| RSSD 8 x 34 | 0.12 to 10 | 16 | 5, 10, 20 | 10 | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 10 x 50 | 0.12 to 22 | 25 | 5, 10, 20 | 22 | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 13 x 70 | 0.12 to 43 | 42 | 5, 10, 20 | 38 | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 16 x 94 | 0.33 to 75 | 70 | 5, 10, 20 | 55 | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 20 x 117 | 0.22 to 100 | 100 | 5, 10, 20 | 80 | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 25 x 138 | 0.10 to 150 | 140 | 5, 10, 20 | 90 (AN) / 135 (CS) | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 25 x 168 | 0.12 to 220 | 200 | 5, 10, 20 | 115 (AN) / 160 (CS) | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 30 x 250 | 0.22 to 360 | 280 | 5, 10, 20 | 240 (AN) / 290 (CS) | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 40 x 370 | 0.47 to 470 | 450 | 5, 10, 20 | 845 (AN) / 925 (CS) | -55 to +450 | -55 C / +200 C / 56 days |
| RSSD 50 x 373 | 0.68 to 560 | 600 | 5, 10, 20 | 1270 (AN) / 1350 (CS) | -55 to +450 | -55 C / +200 C / 56 days |
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