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Specifications
Resistance:
27Ω
Power(Watts):
200W
Tolerance:
±5%
Mfr. Part #:
RSSD25168A27R0JB00
Package:
Through Hole
Key Attributes
Model Number:
RSSD25168A27R0JB00
Product Description
Product Overview
The Vishay Sfernice RSSD series offers industrial high-power, vitreous tubular, adjustable wirewound resistors designed for demanding applications. These resistors are noted for their ability to withstand heavy transient and severe shock and vibration conditions, featuring high power ratings from 16 W to 600 W at 25 C. They are suitable for low ohmic values and offer high long-term stability and excellent resistance to thermal shock. The adjustable collars allow for precise tapping.
Product Attributes
- Brand: Vishay Sfernice
- Material: WELDED STAINLESS STEEL 304 L COLLARS, SCREWED STAINLESS STEEL 304 L COLLARS
- Mechanical Protection: Vishay Sfernice special cement
- Resistive Element: Nickel alloy wire
- Connections: AN collars, CS supporting collars
- Certifications: NF F 16101, 10/1988 and 16102, 04/1992: Not applicable
- Material categorization: for definitions of compliance please see www.vishay.com/doc?99912
Technical Specifications
| Model Size | Resistance Range | Rated Power P25 C W | 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 % |
Environmental Specifications
| Parameter | Value |
| Temperature Range | -55 C to +450 C |
| Climatic Category | -55 C / +200 C / 56 days |
2412091029_VISHAY-RSSD25168A27R0JB00_C17691415.pdf
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