Vishay - Extreme Passives
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Power Thick Film Resistors
Award-winning components for pulse power applications offering resistance ranges from 0.01 Ω to 1 MΩ
Portfolio Overview
  • Resistance range: from 0.01 Ω to 1 MΩ
  • DTO and D2TO: 20 W, 25 W, and 35 W at 25 °C. SMD, and D2PAK and D-PAK options. Resistance from 0.01 Ω to 700 kΩ. AEC-Q200-qualified
  • LTO100. 100 W at 25 °C. TO247 high energy capable. AEC-Q200 qualified
  • LPS: 300 W, 600 W, 800 W, and 1100 W at 85 °C. Small size (57 mm x 60 mm) and low weight (83 g)
  • High dielectric strength up to 12 kVRMS
  • Partial discharge at or below 10 pC at 5 kVRMS
Key Features and Benefits
  • Offer the widest range of high-performance power thick film resistors
  • LTO100, DTO and D2TO are AEC-Q200 qualified with superior pulse energy handling
  • Thick film resistors are lighter than wirewound devices with similar electrical parameters
Advantages
  • Excellent pulse-energy handling
  • Excellent reliability and performance (to minimize high repair / maintenance costs)
Market Position
  • Widest range of thick film power resistors
  • Vishay LTO100, DTO, and D2TO devices provide pulse power handling that is superior to competition
  • Vishay LPS devices provide high power ratings in smaller and lighter packages
Applications
  • DTO, D2TO, and LTO100
    • HEV/EV battery management, inverters/converters, snubbers and discharge resistors, engine control units (ECUs), telecom chargers, power supplies, and UPS
  • LPS
    • Wind turbines, trains, high-power medical equipment (X-ray, MRI, scanners), industrial ovens (induction heating), heavy-duty braking systems, inverters, converters, snubbers and discharge resistors
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