ASH-3921 SERIES
✔️ Application Scenario
ASH-3921 alloy shunts are ideal for BMS, EV traction inverters, and industrial drives, delivering stable current sensing from -40℃ to 170℃.
✔️ R&D Technology
Featuring CuMn and CuMnSn alloys, ASH-3921 achieves TCR as low as ±50ppm/℃, ensuring high precision for 0.1mΩ to 1.0mΩ current sampling.
✔️ Production Strength
Fully automated production lines and 100% electrical testing ensure consistent quality, with annual capacity exceeding 200 million pieces.
✔️ Stock Availability
ASH-3921 standard values (0.1mΩ, 0.5mΩ, 1.0mΩ) are in stock now, available in 2000pcs per reel for fast global delivery.
✔️ Cooperation Case
A leading European EV manufacturer adopted ASH-3921 0.1mΩ for motor drive current sensing, achieving ±0.5% accuracy and zero failures after 3000 thermal cycles.
ASH-3921 Series
ASH-3921 series alloy shunts are SMD type current sensing solutions with 9W power handling and ultra-low resistance options from 0.1mΩ to 1.0mΩ in 3921 package.
The CuMn and CuMnSn alloy materials for low TCR down to ±50ppm/℃ are sourced from world-class suppliers, ensuring exceptional stability for high-current automotive and industrial applications.
A leading European EV manufacturer adopted ASH-3921 0.1mΩ for motor drive current sensing, achieving ±0.5% accuracy and zero failures after 3000 thermal cycles.











