MDC100B-18 1800V 100A Rectifier Module

MDC100B-18 Power Module

The MDC100B-18 is a high-current, high-voltage rectifier module designed for industrial applications that demand durability, efficiency, and reliability. Built for use in motor drives, battery chargers, and variable-frequency drive rectifiers, this module offers excellent thermal performance and long-term stability even in harsh operating environments.

With a blocking voltage rating of 1800 V and a continuous forward current of 100 A, the MDC100B-18 ensures robust performance in heavy-duty systems. It is capable of withstanding surge currents up to 2500 A for 10 ms, making it suitable for applications where current transients are frequent and demanding. Its construction uses metallized aluminum oxide ceramic and high-temperature solder, delivering superior thermal fatigue resistance and reliable heat dissipation. Electrical safety is further enhanced with 2500 V isolation, ensuring dependable protection in high-voltage environments.

The MDC100B-18 is an excellent choice for three-phase rectification, DC power conversion for PWM inverters, welding systems, and large battery charging solutions. It delivers high efficiency, dependable thermal resilience, and strong surge handling capability, all within a rugged design optimized for industrial and commercial use. Its standard package is engineered for secure heatsink mounting and straightforward integration into existing systems, making it both practical and highly reliable.

Key Specifications

Average Forward Current (IF(AV)): 100 A (half-sine, 50 Hz, Tc = 100 °C)
Surge Forward Current (IFSM): 2500 A (10 ms half-sine)
Blocking Voltage (VRRM / VDRM): 1800 V
On-State Voltage (VFM): ~1.30 V @ 300 A, Ta = 25 °C
Thermal Resistance (Rth j-c): 0.18 °C/W
Isolation Voltage (Viso): 2500 V
Operating Temperature Range (Tstg): –40 °C to +150 °C
Construction Features: Metallized ceramic, high-temperature solder, UL certified materials