Vishay – New GRE1 Series of High-Power, High-Current Grid Resistors
Vishay Intertechnology, Inc. (NYSE: VSH) introduces a new series of high-power, high-current grid resistors. Offering designers a convenient drop-in replacement for competing solutions, Vishay Milwaukee GRE1 devices combine high power ratings to 6.5 kW and high operating temperatures to +400 °C with a robust design.
- Feature a steel plate element, ceramic insulators, and multiple taps
- Welded construction for high reliability
- Double insulation for maximum cooling efficiency
- Offered in modular or custom designs
Key Specifications:
- Power rating: 1 kW to 6.5 kW
- Resistance range: 0.1 Ω to 24 Ω
- Tolerance: ± 10 %
- Operating temperature range: -25 °C to +400 °C
- Inductance: 5 μH to 40 μH
Product Benefits:
- High power ratings to 6.5 kW at +40 °C
- High operating temperatures to +400 °C
- Robust design
- Wide resistance range from 0.1 Ω to 24 Ω, with tolerance of ± 10 %
- Low inductance from 5 μH to 40 μH
- Can be mounted in IP00, IP20, and IP23 enclosures for indoor and outdoor use
Market Applications:
Capacitor pre-charge and discharge, dynamic braking, load testing, heater, and neutral grounding applications in locomotives, harmonic filters, and renewable energy and industrial systems
The Perspective:
Optimized for locomotive, harmonic filters, and renewable energy and industrial systems, the new Vishay Milwaukee GRE1 series combines high power ratings to 6.5 kW and high operating temperatures to +400 °C with a welded construction for high reliability and double insulation for maximum cooling efficiency. Offered in modular or custom designs, the industrial power resistors can be mounted in IP00, IP20, and IP23 enclosures for indoor and outdoor use.
