VVZB120-12IO2

SCRs - Modules Overview

The IXYS VVZB120-12IO2 is a three-phase half-controlled rectifier bridge integrating IGBTs and fast recovery diodes for braking systems. It features a 1200 V rating, 140 A continuous collector current at 25°C case temperature, and 120 A average thyristor current. The module provides 3600 V isolation voltage, operates from -40°C to +150°C junction temperature, and includes an optional NTC thermistor with 5 kΩ resistance.

SCRs - Modules Feature Summary

• Integrates IGBT and fast recovery diode functions in a single package
• Provides high isolation voltage without external components
• Includes optional NTC thermistor for thermal monitoring
• Designed for easy PCB mounting via soldering connections

SCRs - Modules Applications

• Drive inverters with brake systems
• Three-phase half-controlled rectification
• High-power industrial motor control

SCRs - Modules Procurement Notes

Verify the specific suffix IO2 indicates the inclusion of the NTC thermistor option as documented. Confirm the 1200 V blocking voltage rating matches the application requirements. Ensure mounting torque specifications are strictly followed during installation to maintain electrical isolation integrity and mechanical stability under operational stress.

SCRs - Modules Selection Notes

Select this component when a combined rectifier and braking chopper solution is required for three-phase drives. The integrated design eliminates the need for separate discrete components and external isolation barriers. Consider the thermal resistance values and available cooling methods to ensure the junction temperature remains within the specified maximum operating range during continuous duty cycles.

SCRs - Modules Part Context

This module belongs to the VVZB series of power semiconductor assemblies manufactured by IXYS. These devices are engineered for robust performance in demanding power conversion environments. The series combines thyristor and transistor technologies to offer compact solutions for regenerative braking applications in industrial drive systems.

SCRs - Modules Replacement Considerations

VVZB120-16IO2 (1600 V variant)

SCRs - Modules FAQ

What is the function of the optional NTC thermistor?

The NTC thermistor provides thermal monitoring capabilities, allowing for real-time temperature tracking of the module during operation.

How does the isolation voltage compare to standard modules?

The module offers a high isolation voltage of 3600 V, eliminating the need for external isolation components in the circuit design.

What is the maximum allowable acceleration for this module?

The maximum allowable acceleration is 50 m/s², ensuring mechanical reliability under vibration conditions.