Leadless thermistor dies use IGBT-style mounting
Vishay has introduced two leadless NTC thermistor dies, contacted on the top and bottom, that provide designers with the same mounting options as IGBT semiconductors. Featuring gold metallisation, the NTCC300E4 supports gold wire bonding and conductive adhesive gluing, while the NTCC200E4 with silver metallisation supports aluminium wire bonding and is compatible with reflow soldering and nano-silver paste sintering.
The devices are optimised for temperature sensing, control, and compensation in automotive and industrial applications. End products will include IGBT modules, power inverters, motor drives, and hybrid ICs for EVs and HEVs, solar panels and wind turbines.
Packaged in conductive PS blister tape and resistant to leaching, the NTCC300E4 and NTCC200E4 offer high stability over a temperature range of -55 to +175°C, with a drift of under 3% after 1,000h. The devices are highly resistant to thermal shocks, with a drift of under 3% after 1,000 cycles in accordance with AEC-Q200 automotive standards.
The RoHS-compliant thermistors offer resistance at +25°C (R25) from 4.7 to 20kΩ, with tolerance down to ±1%, and beta (B25/85) from 3435 to 3865K, with tolerance down to ±1%. The devices feature maximum power dissipation of 50mW and response times of 5s.
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.
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