VISHAY RSSD25168AR680MB06 wirewound resistors featuring low ohmic values and robust mechanical design
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Product Description
Product Overview
The Vishay Sfernice RSSD series offers industrial high-power, vitreous tubular, adjustable wirewound resistors. Designed for demanding applications, these resistors provide high power ratings from 16 W to 600 W at 25 C, excellent thermal shock resistance, and mechanical strength. They are suitable for heavy overloads and can be tapped using adjustable collars for flexible resistance adjustments. Low ohmic values are available, complementing other Vishay resistor styles.
Product Attributes
- Brand: Vishay Sfernice
- Material: WELDED STAINLESS STEEL 304 L COLLARS, SCREWED STAINLESS STEEL 304 L 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) | Dimensions (mm) L x | Max. Number of Additional Tapping | Reduction % of Ohmic Value by Tapping |
| RSSD 8 x 34 | 0.12 to 10 | 16 | 5, 10, 20 | 10 | 34 x 8 | 0 | 23 |
| RSSD 10 x 50 | 0.12 to 22 | 25 | 5, 10, 20 | 22 | 50 x 10 | 1 | 21 |
| RSSD 13 x 70 | 0.12 to 43 | 42 | 5, 10, 20 | 38 | 70 x 13 | 1 | 14 |
| RSSD 16 x 94 | 0.33 to 75 | 70 | 5, 10, 20 | 55 | 94 x 16 | 1 | 11 |
| RSSD 20 x 117 | 0.22 to 100 | 100 | 5, 10, 20 | 80 | 117 x 20 | 1 | 10 |
| RSSD 25 x 138 | 0.10 to 150 | 140 | 5, 10, 20 | 90 | 138 x 25 | 1 | 8 |
| RSSD 25 x 168 | 0.12 to 220 | 200 | 5, 10, 20 | 115 | 168 x 25 | 2 | 6.5 |
| RSSD 30 x 250 | 0.22 to 360 | 280 | 5, 10, 20 | 240 | 250 x 30 | 2 | 6 |
| RSSD 40 x 370 | 0.47 to 470 | 450 | 5, 10, 20 | 845 | 370 x 40 | 4 | 5.7 |
| RSSD 50 x 373 | 0.68 to 560 | 600 | 5, 10, 20 | 1270 | 373 x 50 | 4 | 5.7 |
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 | 2 % or 0.05 | 1 % |
| Load Life | 90 / 30 cycle 1000 h at Pr at +25 C | 5 % | 5 % |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina