KEMET has announced the expansion of its polymer tantalum portfolio, with the T528 low ESR/ESL series, T521 high-voltage series and T520 polymer tantalum series all featuring new product enhancements.
Vishay has released a new series of microchip negative temperature coefficient (NTC) thermistors with a very small maximum body sensing diameter of 1,6 mm and fast response times of 3 s in air and 0,7 s in oil. The NTCLE305E4xxxSB devices provide precise measurements over a wide temperature range, with accuracy of ±0,5°C from +25°C to +85°C and ±1,0°C between -40°C and +125°C.
The three new thermistors offer designers a choice of electrical resistance values at +25°C (R25) to meet the self-heating, voltage output or noise suppression needs of their applications. The NTCLE305E4202SB, NTCLE305E4502SB and NTCLE305E4103SB feature R25 of 2060 Ω, 5000 Ω and 10 000 Ω, respectively, with other values available on request. AEC-Q200 qualified with high thermal shock resistance up to 2000 cycles, the thermistors are intended for temperature sensing circuits in automotive temperature probes and control units, and in industrial boilers, battery packs and fire detectors.
The NTCLE305E4xxxSB devices consist of a micro NTC chip with two insulated solid silver-plated nickel wires that are coated with an ochre-coloured epoxy lacquer. The thermistors’ flexible leads allow for easy mounting and assembly. The devices are compliant to RoHS directive 2002/95/EC, in accordance to WEEE 2002/96/EC and fulfill ELV 2000/53/EC.
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