Metal manganese copper alloy shunt resistor VISHAY WSBS8518L2500JT20 for accurate low resistance measurement
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MOQ:
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Delivery Time:
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Product Description
Product Overview
The Vishay Dale WSBS8518...20 is a high-power metal strip shunt resistor featuring two sense pins, designed for very low resistance values (50 to 250 ). Its proprietary processing technique and welded terminal-to-element construction ensure extremely low resistance and a high power-to-size ratio. The sense pins provide consistent contact location, and the solid metal manganese-copper alloy element offers a low TCR (
Product Attributes
- Brand: Vishay Dale
- Material: Solid metal manganese-copper alloy
- Certifications: Compliant with definitions at www.vishay.com/doc?99912
Technical Specifications
| Model | Size | Power Rating @ 70 C (W) | Tolerance (%) | Resistance Value Range () | Available Resistance Values () | Weight (typical) (g) | Temperature Coefficient (ppm/C) | Thermal EMF (V/C) | Inductance (nH) |
|---|---|---|---|---|---|---|---|---|---|
| WSBS8518...20 | 8518 | 36 | 5, 10 | 50 to 1000 | 50, 100, 125, 250 | 50 = 38.4, 100 / 125u = 36.9, 250 = 34.2 | 200 (50 ), 175 (100/125 ), 110 (250 ) | < 1 (50 ), < 3 (100, 125, 250 ) | < 5 |
Performance Test Conditions
| Test | Conditions | Limits |
|---|---|---|
| Thermal shock | -55 C to +150 C, 1000 cycles, 15 min at each extreme | 0.5 % |
| Short time overload | 5x rated power for 5 s | 0.5 % |
| Low temperature storage | -65 C for 24 h | 0.5 % |
| High temperature exposure | 1000 h at +170 C | 1.0 % |
| Bias humidity | +85 C, 85 % RH, 10 % bias, 1000 h | 0.5 % |
| Mechanical shock | 100 gs for 6 ms, 5 pulses | 0.5 % |
| Vibration | Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h | 0.5 % |
| Load life | 1000 h at +70 C, 1.5 h ON, 0.5 h OFF | 1.0 % |
| Moisture resistance | MIL-STD-202, method 106, 0 % power, 7b not required | 0.5 % |
Dimensions
| Resistance Value () | Element Material | A (inches [mm]) | B (inches [mm]) |
|---|---|---|---|
| 50 | Mn-Cu | 0.145 [3.68] | 0.135 [3.43] |
| 100 | Mn-Cu | 0.370 [9.40] | 0.495 [12.57] |
| 125 | Mn-Cu | 0.480 [12.19] | 0.585 [14.86] |
| 250 | Mn-Cu | 0.900 [22.86] | 1.028 [26.11] |
Global Part Number Information
Example: WSBS8518L1000JT20 (WSBS8518...20, 0.0001 , 5 %, tray pack)
| Component | Description |
|---|---|
| WSBS8518 | Global Model |
| L | m |
| L0500 | 0.000050 |
| L1000 | 0.000100 |
| L1250 | 0.000125 |
| L2500 | 0.000250 |
| J | Tolerance Code: 5 % |
| K | Tolerance Code: 10 % |
| T | Packaging Code: tray pack |
| K | Packaging Code: bulk pack |
| 20 | Special: sense pins attached |
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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