WSHM Series Power Metal Strip Resistors
Vishay's resistors offer space savings and a high 7 W voltage rating with low resistance down to 1 mΩ in a compact 2818 case size
Vishay's surface-mount Power Metal Strip® resistor is designed to save space in automotive, industrial, and consumer applications. The WSHM2818 combines a high 7 W power rating with extremely low resistance values down to 1 mΩ in a compact 2818 case size. The device features a solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (less than 20 PPM/ºC) while its advanced construction incorporates improved thermal management.
Features
- Improved thermal management
- Ideal for all types of current sensing, voltage division, and pulse applications including switching and linear power supplies, instruments, and power amplifiers
- Proprietary processing technique produces extremely low resistance values
- All-welded construction
- Very low inductance: less than 5 nH
- Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR: less than 20 ppm/°C
- Excellent frequency response to 50 MHz
- Low thermal EMF: less than 3 μV/°C
- AEC-Q200 qualified
Applications
- Current sensing, voltage division, and pulse applications including switching and linear power supplies, instruments, and power amplifiers
- Automotive electronic controls such as engine, brushless DC motors, anti-lock brakes, climate, and battery management controls
- Industrial controls, including down-hole test/measurement equipment for oil/gas well drilling
- Inverter controls for HVAC systems
- DC/DC converters for servers, VRMs for laptops, and Li-Ion battery safety and management
WSHM Series Power Metal Strip Resistors
| Image | Manufacturer Part Number | Description | Resistance | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|
 |  | WSHM28185L000FEA | RES 0.005 OHM 1% 7W 2818 | 5 mOhms | 0 - Immediate | $2.01 | View Details |
| | WSHM28183L000FEA | RES 0.003 OHM 1% 7W 2818 | 3 mOhms | 198 - Immediate | $2.30 | View Details |
| | WSHM2818R0150FEA | RES 0.015 OHM 1% 7W 2818 | 15 mOhms | 0 - Immediate | $1.66 | View Details |
| | WSHM2818R0250FEA | RES 0.025 OHM 1% 7W 2818 | 25 mOhms | 141 - Immediate | $1.70 | View Details |
| | WSHM2818R1000FEB | RES 0.1 OHM 1% 7W 2818 | 100 mOhms | 0 - Immediate | $2.12 | View Details |
| | WSHM28189L000FEA | RES 0.009 OHM 1% 7W 2818 | 9 mOhms | 121 - Immediate | $2.05 | View Details |
| | WSHM2818R0500FEB | RES 0.05 OHM 1% 7W 2818 | 50 mOhms | 61 - Immediate | $1.84 | View Details |
| | WSHM2818R0500FEA | RES 0.05 OHM 1% 7W 2818 | 50 mOhms | 0 - Immediate | $1.70 | View Details |
| | WSHM2818R1000FEA | RES 0.1 OHM 1% 7W 2818 | 100 mOhms | 0 - Immediate | $1.66 | View Details |
| | WSHM28181L000FEA | RES 0.001 OHM 1% 7W 2818 | 1 mOhms | 0 - Immediate | $2.30 | View Details |
Published: 2023-09-25
