Thin Film Wraparound Chip Resistors
www.vishay.com
PHT
Vishay Sfernice
High Stability - High Temperature (230 °C) Thin Film Wraparound Chip Resistors, Sul...
Description
www.vishay.com
PHT
Vishay Sfernice
High Stability - High Temperature (230 °C) Thin Film Wraparound Chip Resistors, Sulfur Resistant
INTRODUCTION
For applications such as down hole applications, the need for parts able to withstand very severe conditions (temperature as high as 215 °C powered or up to 230 °C un-powered) has leaded Vishay Sfernice to push out the limit of the thin film technology. Designers might read the application note: Power Dissipation Considerations in High Precision Vishay Sfernice Thin Film Chip Resistors and Arrays (P, PRA etc…) (High Temperature Application) www.vishay.com/doc?53047 in conjunction with this datasheet to help them to properly design their PCBs and get the best performances of the PHT.
Vishay Sfernice R&D engineers will be willing to support any customer design considerations.
FEATURES
Operating temperature range: -55 °C; +215 °C
Storage temperature: -55 °C; +230 °C
Gold terminations (< 1 μm thick)
5 sizes available (0402, 0603, 0805, 1206, 2010); other sizes upon request
Temperature coefficient down to 15 ppm (-55 °C; +215 °C)
Tolerance down to 0.01 %
Load life stability: 0.35 % max. after 2000 h at 220 °C (ambient) at Pn
Shelf life stability: 0.7 % typ. (1 % max.) after 15 000 h at 230 °C
SMD wraparound
TCR remains constant after long term storage at 230 °C (15 000 h)
Sulfur resistant (per ASTM B809-95 humid vapor test)
Material categorization: for definitions of compliance please see www.vishay.com/do...
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