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Specifications
Resistance:
75Ω
Power(Watts):
100W
Tolerance:
±5%
Mfr. Part #:
RSSD20117A75R0JB00
Package:
Through Hole
Key Attributes
Model Number:
RSSD20117A75R0JB00
Product Description
Product Overview
The Vishay Sfernice RSSD series offers industrial high-power, vitreous tubular, adjustable wirewound resistors. These resistors are designed for applications requiring high power ratings, heavy overload capability, and excellent long-term stability. They are particularly noted for their ability to withstand severe shock and vibration conditions, complementing lower ohmic values and offering adjustability via collars.
Product Attributes
- Brand: Vishay Sfernice
- Material: Stainless Steel 304 L (collars)
- Mechanical Protection: Vishay Sfernice special cement
- Fire Proof: Yes
Technical Specifications
| Model Size | Resistance Range () | Rated Power (W) at 25 C | Tolerance (%) | Approx. Average Unit Weight (g) |
| RSSD 8 x 34 | 0.12 to 10 | 16 | 5, 10, 20 | 10 |
| RSSD 10 x 50 | 0.12 to 22 | 25 | 5, 10, 20 | 22 |
| RSSD 13 x 70 | 0.12 to 43 | 42 | 5, 10, 20 | 38 |
| RSSD 16 x 94 | 0.33 to 75 | 70 | 5, 10, 20 | 55 |
| RSSD 20 x 117 | 0.22 to 100 | 100 | 5, 10, 20 | 80 |
| RSSD 25 x 138 | 0.10 to 150 | 140 | 5, 10, 20 | 90 |
| RSSD 25 x 168 | 0.12 to 220 | 200 | 5, 10, 20 | 115 |
| RSSD 30 x 250 | 0.22 to 360 | 280 | 5, 10, 20 | 240 |
| RSSD 40 x 370 | 0.47 to 470 | 450 | 5, 10, 20 | 845 |
| RSSD 50 x 373 | 0.68 to 560 | 600 | 5, 10, 20 | 1270 |
Performance Tests
| Test | Conditions | Requirements | Typical Values and Drifts |
| Short Time Overload | 10 Pr during 5 s | 2 % | 1 % |
| Climatic Sequence | -55 C, +200 C, 5 cycles | 3 % | 1 % |
| Thermal Shock | Load at 100 % Pr followed by cold -55 C / 15 min | 2 % or 0.05 | 1 % |
| Load Life | 90 / 30 cycle, 1000 h at Pr at +25 C | 5 % | 5 % |
Dimensions (mm)
| Series | A 2 | B MAX. | C MIN. | D | E + 0.5 + 0 | F + 0.5 + 0 | Q | R | Z APPROX. |
| RSSD 8 x 34 | 34 | 10 | 4.1 | 27 2 | 20 0.5 | 5 | 3.2 | 16 0.5 | 1 |
| RSSD 10 x 50 | 50 | 11.5 | 5 | 40 2 | 22 0.5 | 6.35 | 4.2 | 18 0.5 | 1.5 |
| RSSD 13 x 70 | 70 | 14.5 | 6.7 | 56 2 | 24 0.5 | 6.35 | 4.2 | 20 0.5 | 3.5 |
| RSSD 16 x 94 | 94 | 18 | 9.2 | 78 2 | 26.5 0.5 | 6.35 | 4.2 | 21 0.5 | 4 |
| RSSD 20 x 117 | 117 | 22 | 12.6 | 98 2 | 31 0.7 | 6.35 | 4.2 | 24 0.7 | 5 |
| RSSD 25 x 138 | 138 | 27 | 16.4 | 117 2 | 33.5 1 | 9 | 5.7 | 28.5 1 | 6 |
| RSSD 25 x 168 | 168 | 27 | 16.4 | 147 2 | 33.5 1 | 9 | 5.7 | 28.5 1 | 6 |
| RSSD 30 x 250 | 250 | 32 | 21.3 | 227 2.5 | 36 1 | 13 | 5.7 | 31 1 | 5 |
| RSSD 40 x 370 | 370 | 43 | 22.3 | 332 3 | 57 1.5 | 18 | 9.2 | 45 1.5 | 10 |
| RSSD 50 x 373 | 373 | 53 | 27.1 | 332 3 | 63 1.5 | 18 | 9.2 | 51 1.5 | 11.5 |
2412091029_VISHAY-RSSD20117A75R0JB00_C17698292.pdf
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