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Vishay Intertechnology AEC-Q200 Qualified, 150 W Thick Film Power Resistor in Clip Mount TO247 Reduces Component Counts, Costs

Designed for Direct Mounting on a Heatsink, Device Offers Industry-High Power Dissipation and Improved Pulse Handling Capability

MALVERN, Pa. — July 30, 2018 — Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new AEC-Q200 qualified thick film power resistor featuring a clip mount TO247 package for direct mounting on a heatsink. For automotive applications, the Vishay SferniceLTO 150 offers industry-high power dissipation of 150 W at a +45 °C case temperature and an improved pulse handling capability.

The device released today provides up to 70 % higher power dissipation than competing devices in the TO247 package. This reduces the need for components to cool the resistor — saving board space, simplifying layouts, and reducing overall solution costs. These benefits are amplified by the LTO 150’s 30 % improvement in energy handling compared with similar TO247 devices, which allows designers to utilize fewer resistors.

Offering high temperature operation to +175 °C and a broad range of resistance values from 0.03 Ω to 1.3 MΩ, the LTO 150 serves as the precharge or discharge resistor for inverters, converters, and on-board chargers for electric vehicles (EV), hybrid electric vehicles (HEV), and plugged hybrid electric vehicles (PHEV). It can also be used in general industrial and military power conversion applications. The RoHS-compliant device offers a non-inductive design, tolerances down to ± 1 %, and superior reliability test results (i.e., extensive temperature cycling from 1,000 cycles and up).

Samples and production quantities of the new resistor are available now, with lead times of eight to 12 weeks. Pricing for U.S. delivery only starts at $3.20 per piece in 1,000-piece quantities.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world’s largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and “one-stop shop” service have made it a global industry leader. Vishay can be found on the Internet at www.vishay.com.

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