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Long lead thermistors offer 33 resistance values

Posted: 08 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:thermistor? automotive? power supply?

Murata Thermo-String long lead thermistors

Murata Manufacturing Co. Ltd has announced that its Thermo-String long lead thermistor range for monitoring the temperature of areas that are hard to reach with surface-mount thermistors is now fully qualified for automotive use.

Hot spots may not always be on the PCB or motherboard, so Thermo-String's long leads of up to 150mm allow the head of the thermistor to be situated as close to the problem area as possible, even in narrow or small locations.

The NXF series of Thermo-String thermistors includes Murata's NCP15-series NTC (Negative Temperature Coefficient) chip thermistor in its head. 33 different resistance values are available for maximum design flexibility. The NXF series of Thermo-String thermistors operate in the temperature range -40 to +150C (NXFS series) and are RoHS, ELV and AEC-Q200 compliant and halogen free. These certifications are required for Thermo-String's use in the automotive industry. Thermo-String thermistors also provide flexibility benefits to battery cell, PC, power tool, power supply, measurement equipment, heating system and sensor product makers

Murata's Thermo-String range also features PTC (Positive Temperature Coefficient) thermistors, the PXF series. These feature the same long leads, with 25- to 150mm lengths available, and are suitable for commercial grade electronics. These PTC thermistors have a unique capability whereby connection in a simple series circuit means one circuit can monitor many different hot spots in a design. The PXF series operates over the range -40C to +125C.

- Henri Arnold
EE Times Europe

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