4GBJ406-G

Overview

The 4GBJ406-G is a single-phase bridge rectifier manufactured by Comchip Technology, designed for general-purpose power conversion applications. This component features a glass-passivated silicon construction housed in a GBJ (DO-217AB) surface-mount package. It provides a maximum repetitive peak reverse voltage of 600 V and an average forward rectified current of 4.0 A. The device exhibits a low forward voltage drop of 1.1 V at rated current and supports a non-repetitive surge current of up to 175 A. Operating within a temperature range from -55°C to +150°C, it ensures reliable performance in demanding electronic environments.

Feature Summary

• Glass passivation utilizes junction barriers for stable leakage characteristics and protection against mechanical stress.
• High surge overload capability allows the device to withstand transient current spikes during operation.
• Low thermal resistance facilitates efficient heat dissipation for sustained high-current performance.

Applications

• AC-to-DC power supply circuits
• Battery chargers
• General-purpose rectification in electronic equipment

Procurement Notes

Verify the part number suffix matches the specific manufacturer designation to ensure compatibility with design specifications. Confirm that the GBJ package dimensions align with the target PCB footprint. Check RoHS compliance status if environmental regulations apply to the final product assembly. Ensure storage conditions maintain component integrity prior to soldering processes.

Selection Notes

Select this component when a 600 V reverse voltage rating and 4.0 A continuous current capacity are required. The GBJ package offers a compact solution for surface-mount designs compared to through-hole alternatives. Consider the forward voltage drop impact on system efficiency. Evaluate thermal management requirements based on the expected operating ambient temperature and load profile.

Part Context

This part belongs to Comchip Technology's line of glass-passivated bridge rectifiers. These devices are engineered for robustness in various power electronics applications. The series typically includes variants with different voltage and current ratings to suit diverse circuit needs. The GBJ form factor is widely adopted in modern consumer and industrial electronics for space-constrained layouts.

Replacement Considerations

Direct substitutes must match the 600 V reverse voltage, 4.0 A forward current, and GBJ package outline. Verify equivalent forward voltage and surge current ratings to maintain circuit performance. Cross-reference pinout configurations to ensure correct polarity alignment during installation.