Recently, Vishay Intertechnology, Inc. announced the launch of a new high temperature, surface mount wraparound thick film resistor - CHPHT . For drilling applications, CHPHT is the industry's first device to operate from -55°C to +230°C and storage temperatures from -55°C to +245°C.
The high temperature resistant CHPHT resistors are particularly suitable for multi-chip modules (MCM) in drilling equipment, which are capable of extracting oil deeper into the ground. Resistors are available in 0603, 0805, 1206 and 2010 form factors (other sizes available on request) with resistance values ​​from 0.1Ω to 100MΩ, tolerances of 1%, 2% and 5%, and power dissipation at +230°C It is 12.5mW to 100mW.
Today's Vishay Sfernice resistors are gold terminated and compatible with high solder joint (HMP) processes up to +245°C (thickness less than 1μm) and tin/silver terminations can be used up to +200°C. The device complies with the RoHS Directive 2002/95/EC and complies with the halogen-free regulations of IEC 61249-2-21.
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