Vishay Intertechnology, Inc. has introduced two new leadless NTC thermistor dies — contacted on the top and bottom — that provide designers with the same mounting options as IGBT semiconductors. Featuring gold metallization, the Vishay BCcomponents NTCC300E4 supports gold wire bonding and conductive adhesive gluing, while the NTCC200E4 with silver metallization supports aluminum wire bonding and is compatible with reflow soldering and nano-silver paste sintering.
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These devices are optimized for temperature sensing, control, and compensation in automotive and industrial applications. End products will include IGBT modules, power inverters, motor drives, and hybrid integrated circuits for electric vehicles and hybrid electric vehicles, solar panels, and wind turbines.
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The RoHS-compliant thermistors offer resistance at +25 degrees C (R25) from 4.7kΩ to 20kΩ, with tolerance down to ±1%, and beta (B25/85) from 3435K to 3865K, with tolerance down to ±1%. The devices feature maximum power dissipation of 50mW and response times of 5 seconds. Samples of the NTCC300E4 and NTCC200E4 are available now. Production quantities will be available in June 2015, with lead times of six weeks for large orders. Pricing for U.S. delivery starts at $0.14 per piece.
source: http://www.powerpulse.net/story.php?storyID=31962
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