negative temperature coefficient


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negative temperature coefficient

[′neg·əd·iv ′tem·prə·chər ‚kō·i‚fish·ənt]
(physics)
A condition wherein the resistance, length, or some other characteristic of a material decreases when temperature increases.
References in periodicals archive ?
NYSE: VSH), has announced the release of new multilayer ferrite beads, negative temperature coefficient (NTC) thermistors, and ultra-low-TCR precision voltage dividers.
The series is designed with a negative temperature coefficient to protect LEDs from thermal runaway at extreme voltage and operating temperatures.
The SC805 and SC806 can monitor a negative temperature coefficient pin to detect that the battery is not connected.
The high-performance, OSTAR light source is ready-to-install and includes a built-in heat sink, mounting holes for accurate positioning, a built-in, quick electrical connector and an on-board Negative Temperature Coefficient (NTC) thermistor for thermal management.
Additional features include a negative temperature coefficient (NTC) thermistor interface for monitoring the ambient temperature and the ability to disable the time limit of the fast charge.
This new offering addresses the increased demand for depletion mode MOSFETS that feature normally closed switch operation, low resistance and a negative temperature coefficient.
Other benefits of IXYS' PT IGBTs include higher surge current capabilities, and a saturation voltage with a negative temperature coefficient, reducing conduction losses with increasing temperature.