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Ametherm SM0xx thermistors aid wave, reflow soldering

07 Oct 2013

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Ametherm has released the SM04, SM06, and SM08 series surface-mount thermistors with 125mW, 200mW and 250mW maximum power rating options. Designed for high-accuracy temperature measurement and compensation, the SM04, SM06 and SM08 promise very fast response times and help save space in hybrid controls, LCD controls, relay coils and crystal oscillators.

The thermistors offer dissipation constants of 1.10mW/°C, 1.50mW/°C, and 2.00mW/°C, respectively. Providing a cost-effective alternative to radially leaded NTC and through-hole thermistors, SM04, SM06, and SM08 devices lower costs by supporting auto insertion during manufacturing. Resistance values range from 200 Ω to 470 kΩ with tolerances down to 1%, beta from 2500°K to 4500°K, and an operating temperature range of -40°C to +125°C.

Featuring nickel barrier terminations, the SM04, SM06, and SM08 series are suitable for wave and reflow soldering and offer a Moisture Sensitivity Level of 2 for high reliability. The devices can be ordered through Mouser Electronics in standard tape-and-reel packaging in quantities from 100 to 5,000 pieces.

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