A more compact version of the PSR series of high power ultra-low-ohmic shunt resistors is now available for current detection in automotive and industrial applications.
The PSR100 series adopts a high-performance metal alloy as the resistive element to provide superior temperature coefficient of resistance (TCR). In addition, leveraging original precision welding technology makes it possible to successfully deliver high power (3 W) in a compact 6.35×3.05-mm form factor – impossible to achieve until now. This ensures sufficient margin for use in sets with demanding temperature requirements, such as industrial equipment, reducing design load and contributing to greater end-product miniaturization.
Availability: Now
Pricing: Starting from $0.60 /unit (1,000 pcs)
Key Features
1. High rated power in a compact size — Traditionally, there has been a trade-off relationship between rated power and size, making it difficult to achieve both at the same time. However, proprietary precision welding technology allowed ROHM to create a high heat dissipation structure that fuses small copper plates to a metallic alloy.
2. Excellent temperature coefficient of resistance – even in the ultra-low resistance region — Generally, the lower the resistance the higher the temperature coefficient of resistance (TCR). However, the PSR series utilizes a high performance metallic resistive element that ensures superior TCR, even in the ultra-low-resistance region. This latest lineup is offered in resistances as low as 0.3 mΩ, providing greater applicability.
Applications
■ Notebook PCs ■ Tablets PCs ■ Smartphones
■ Portable Batteries ■ Wireless Audio ■ <100 W Portable Battery-Equipped Devices
ROHM Semiconductor, 6020 Cornerstone Ct W #320, San Diego, CA 92121, (858) 625-3600, www.rohm.com/web/global/
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