Product Overview
The Vishay Sfernice RSSD series offers industrial high-power, vitreous tubular, adjustable wirewound resistors designed for demanding applications. These resistors are known for their ability to withstand heavy transient, severe shock, and vibration conditions. They are ideal for applications requiring low ohmic values and high long-term stability, featuring excellent thermal shock resistance and mechanical strength.
Product Attributes
- Brand: Vishay Sfernice
- Material: Stainless Steel 304 L (collars)
- Certifications: NF F 16101, 10/1988 and 16102, 04/1992: Not applicable
- Material categorization: Refer to www.vishay.com/doc?99912
Technical Specifications
| Model | Size | Resistance Range () | Rated Power @ 25C (W) | Tolerance (%) | Approx. Average Unit Weight (g) |
| RSSD 8 x 34 | 0834 | 0.12 to 10 | 16 | 5, 10, 20 | 10 |
| RSSD 10 x 50 | 1050 | 0.12 to 22 | 25 | 5, 10, 20 | 22 |
| RSSD 13 x 70 | 1370 | 0.12 to 43 | 42 | 5, 10, 20 | 38 |
| RSSD 16 x 94 | 1694 | 0.33 to 75 | 70 | 5, 10, 20 | 55 |
| RSSD 20 x 117 | 20117 | 0.22 to 100 | 100 | 5, 10, 20 | 80 |
| RSSD 25 x 138 | 25138 | 0.10 to 150 | 140 | 5, 10, 20 | 90 |
| RSSD 25 x 168 | 25168 | 0.12 to 220 | 200 | 5, 10, 20 | 115 |
| RSSD 30 x 250 | 30250 | 0.22 to 360 | 280 | 5, 10, 20 | 240 |
| RSSD 40 x 370 | 40370 | 0.47 to 470 | 450 | 5, 10, 20 | 845 |
| RSSD 50 x 373 | 50373 | 0.68 to 560 | 600 | 5, 10, 20 | 1270 |
Performance Tests
| Test | Conditions | Requirement | Typical Value |
| Short Time Overload | 10 Pr during 5 s | 2 % | 1 % |
| Climatic Sequence | -55C, +200C, 5 cycles | 3 % | 1 % |
| Thermal Shock | Load at 100% Pr followed by cold -55C / 15 min | 2 % or 0.05 | 1 % |
| Load Life | 90 / 30 cycle, 1000 h at Pr at +25C | 5 % | 5 % |
Ordering Information
Example: RSSD 10 50 AN 10U 5 % BA25
Format: MODEL STYLE SPECIAL DESIGN Method No Optional Connections OHMIC VALUE TOLERANCE PACKAGING LEAD (Pb)-FREE
Custom items are subject to extra-charge and min. order. Please see price list.
2412091029_VISHAY-RSSD30250A68R0JB06_C17666944.pdf
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