SMD wraparound thin-film chip resistors operate at up to 215°C

SMD wraparound thin-film chip resistors operate at up to 215°C Vishay Intertechnology added a new series of SMD wraparound thin-film chip resistors to its passive component portfolio for extreme high-temperature environments. The Vishay Sfernice PHT high-precision resistors are optimized for down-hole drilling and aerospace applications.

The devices feature an operating temperature range from -55 to + 215 °C, with a maximum storage temperature up to + 230 °C, an industry-first for any resistor built on thin film technology according to the manufacturer. Even with this high temperature rating, the devices feature a load life stability of 0.5 % after 1000 hours at 215 °C, as well as tight TCR and tolerance values. Typical TCR for the new resistors is 25 ppm/°C, with available tolerances down to 0.05 %.

The PHT resistors, which have a 0.5-mm height profile, are available in 0603, 0805, 1206, and 2010 case sizes, with an ohmic range of 10 Ω to 7.6 MΩ, depending on series. Their power ratings range from 12.5 mW to 100 mW.

The PHT devices feature an SMD wraparound construction with gold terminations. An enlarged termination option is available for applications with extraordinary power dissipation requirements.

Samples and production quantities of Vishay's new PHT resistors are available now, with lead times of 11 to 12 weeks for larger orders.

Get the datasheets at http://www.vishay.com/doc?53050

Visit Vishay at www.vishay.com

 

As featured in TES - The Electronic Supplier E-Zine, 2010 Vol 6, www.the-electronic-supplier.com/ezine/