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Specifications
Resistance:
47Ω
Power(Watts):
200W
Tolerance:
±5%
Mfr. Part #:
RSSD25168A47R0JB00
Package:
Through Hole
Key Attributes
Model Number:
RSSD25168A47R0JB00
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 characterized by 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, complemented by excellent thermal shock resistance and mechanical strength. The adjustable collars allow for precise tapping of the resistance value.
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 (Max. Drift) | Typical Values |
| Short Time Overload | 10 Pn during 5 s | 2 % | 1 % |
| Climatic Sequence | -55 C, +200 C, 5 cycles | 3 % | 1 % |
| Thermal Shock | Load at 100 % Pn followed by cold -55 C / 15 min | 2 % or 0.05 | 1 % |
| Load Life | 90 / 30 cycle, 1000 h at Pn at +25 C | 5 % | 5 % |
Ordering Information Example
RSSD 10 50 AN 10U 5 % BA25
2412091029_VISHAY-RSSD25168A47R0JB00_C17651934.pdf
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