N540CH18 Converter Grade Capsule Thyristor – High-Power SCR by Westcode The N540CH18 is a robust converter-grade capsule thyristor designed for high-power industrial applications. Manufactured by Westcode Semiconductors, this device delivers proven reliability, excellent thermal performance, and consistent operation in demanding electrical environments. Engineered to meet the rigorous standards associated with Westcode technology, the N540CH18 is optimized for efficient power control, making it a trusted choice for engineers working in heavy-duty conversion and switching systems. As part of the established Westcode thyristor family, it offers dependable performance across a wide range of industrial power applications. Key Features Converter-grade phase control thyristor (SCR) High surge current capability for demanding loads Excellent thermal cycling performance Low conduction losses for improved system efficiency Rugged capsule (press-pack) design for durability Designed and manufactured to Westcode quality standards Technical Overview Part Number: N540CH18 Device Type: Capsule Thyristor (SCR) Manufacturer: Westcode Semiconductors Construction: Press-pack / capsule housing Compliance: RoHS-compliant, lead-free options available Applications Industrial rectifiers and power converters Motor drives and soft starters Power supplies and UPS systems Renewable energy systems (wind and solar inverters) Traction and heavy electrical equipment