Vishay ISOA Power Thick Film Resistors
Vishay ISOA Power Thick Film Resistors are AEC-Q200 qualified components built on an Alumina substrate in a SOT-227 package for mounting directly onto a heatsink. The resistors feature the ability to integrate an NTC Thermistor inside the resistor package to enable direct temperature monitoring while applying power. The high power/volume ratio resistors are available with pre-applied Phase Change Thermal Interface Material to help streamline the resistor installation in production. The non-inductive 120W resistors handle energy pulses (i.e., 110J for 0.1s), available in values ranging from 0.47Ω to 1MΩ in ±5% and ±10% tolerances, and feature a 1500V maximum operating voltage rating.
Features
- SOT227 package
- 120W power rating at +85°C case temperature, heatsink mounted
- 0.47Ω to 1MΩ resistance range
- ±5% and ±10% resistance tolerances
- 1500V maximum operating voltage
- High pulse energy capability (i.e., 110J for 0.1s)
- 3000VRMS dielectric strength
- 1500VRMS dielectric strength power resistor to NTC resistor
- Optional NTC Thermistor integrated into package
- Optional pre-applied Phase Change Thermal Interface Material (PC-TIM)
- Non-inductive, ≤50nH
- AEC-Q200 qualified
- Lead free and RoHS compliant
- -55°C to +150°C operating temperature range
Applications
- Battery electric vehicles
- Fuel cell electric vehicles
- Passenger vehicles
- Commercial vehicles
- Active discharge
- Passive discharge
- Pre-charge
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Additional Resources
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Published: 2022-10-21
| Updated: 2025-04-23