Vishay Intertechnology, Inc. introduced a new AEC-Q200 automotive qualified thick film power resistor in the compact, low profile SOT-227B package for mounting on a heatsink.
Available with an optional NTC thermistor for internal temperature monitoring and pre-applied Phase Change Thermal Interface Material (PC-TIM) for more efficient mounting, the Vishay MCBย ISOA200ย offers high pulse handling capability and high power dissipation up to 200 W at an 80 ยฐC bottom case temperature.ย
Built on an exposed alumina substrate instead of a metal tab, the device released today lowers costs and weight for automotive, industrial, and avionics, military, and space (AMS) applications, in which it will serve as a precharge, discharge, active discharge, or snubber resistor.
For applications subject to high and repetitive pulse surges, the resistor can handle high energy pulses up to 140 J for 0.1 s and is multi-pulsed tested. Additional custom testing options for the device are also available.ย
With the option to integrate an AEC-Q200 qualified, temperature cycle tested NTC thermistor inside the resistor package, the ISOA200 simplifies designs and saves board space, while its optional PC-TIM streamlines installation in production.
The device’s high power and high energy dissipation further simplify designs while lowering costs by reducing the need for power components.ย
The ISOA200 features a resistance range from 10 ฮฉ to 1 Mฮฉ, with tolerances of ยฑ 5 % and ยฑ 10 %, and TCR of ยฑ 100 ppm/K and ยฑ 150 ppm/K. The resistor offers a maximum operating voltage of 1500 V, an operating temperature range of -55 ยฐC to +150 ยฐC, and dielectric strength of 4000 Vrms. The RoHS-compliant device offers a non-inductive design and can include two different resistors.ย
Samples and production quantities of the new resistor are available now, with lead times of 12 weeks.
FEATURES
- AEC-Q200 qualified
- Cold system without external radiation
- High power / volume ratio
APPLICATIONS
- Automotive: precharge, discharge, and active discharge
- Industrial and AMS: power conversion and snubber
related articles:
