Vishay – Wraparound thick-film chip resistors operate to 230C

Dec 15 2011 - Passives [More Passives Articles]

Vishay has introduced a new high-temperature, surface-mount, wraparound thick-film chip resistor. Typically, for down-hole drilling applications, the CHPHT is the industry’s first such device to offer an operating temperature range from -55C to +230C and a storage temperature range of -55C to + 245C.

Optimized for multi-chip modules (MCM) in down-hole drilling instrumentation, the high-temperature capabilities of the CHPHT resistor allow 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 0.1ohm to 100Mohm; tolerances of 1%, 2%, and 5%; and power dissipation of 12.5mW to 100mW at +230C, says the company.

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