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Wraparound chip resistor offers 230°C operation

Posted: 07 Dec 2011     Print Version  Bookmark and Share

Keywords:chip resistor  down-hole drilling instrumentation  MCM 

Vishay Intertechnology Inc. debuts the CHPHT, a high-temperature, surface-mount, wraparound thick film chip resistor with an operating temperature range from -55°C to +230°C and a storage temperature range of -55°C to +245°C targeted at multi-chip modules (MCM) in down-hole drilling instrumentation applications.

Vishay's wraparound chip resistors

Vishay's wraparound chip resistors offer operating range up to 230°C.

The CHPHT resistor allows for the extraction of petroleum at deeper depths. Offered in 0603, 0805, 1206, and 2010 case sizes (with other sizes available upon request), the resistor offers a wide resistance range from 0.1Ω to 10MΩ; tolerances of 1 per cent, 2 per cent, and 5 per cent; and power dissipation of 12.5mW to 100mW at + 230°C.

The Vishay Sfernice resistor is available with gold terminations for compatibility with high melting point (HMP) processes (less than 1micron thick) for temperatures up to +245°C and with tin/silver terminations for operating temperatures up to +200°C. The device is compliant to RoHS Directive 2002/95/EC and halogen-free according to the IEC 61249-2-21 definition.

Samples and production quantities of the CHPHT are available now, with lead times of 13 weeks for larger orders.

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