Taiwan Semiconductor Corporation GBU607H

Overview

GBU607H from Taiwan Semiconductor is a 6A, 1000V AEC-Q101-qualified standard bridge rectifier in GBU package, featuring 175A surge current capability, 1500VRMS dielectric strength, and typical reverse leakage <0.1μA at 25°C - used in automotive-grade SMPS and lighting power supplies.

For engineers reviewing the GBU607H datasheet, GBU607H pinout, GBU607H application, or GBU607H equivalent, key selection factors include peak reverse voltage (1000V), thermal resistance (R_θJC = 2°C/W), junction temperature range (–55°C to +150°C), and AEC-Q101 qualification status for harsh-environment deployment.

Technical Context

The GBU607H integrates four silicon diodes in a single-phase full-wave bridge configuration with quad internal layout. Its 1000V V_RRM rating supports high-voltage AC input stages in offline converters, while the 2°C/W junction-to-case thermal resistance enables efficient heat transfer to heatsinks or PCB copper planes.

Designed for reliability in automotive and industrial environments, the device meets AEC-Q101 stress test requirements and features matte tin-plated leads compliant with J-STD-002 solderability. The UL 94V-0 molding compound and 1500VRMS isolation support safety-critical power conversion designs.

Key Specifications

Pinout & Package

Package: GBU - molded plastic case with 4-pin inline terminal configuration, UL 94V-0 rated, 4.0g mass, matte tin-plated leads, polarity marked on top surface.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar bridge rectifier applications.

Compared with GBU607H, GBU6K lacks automotive qualification and has higher thermal resistance, while GBPC610 requires mechanical redesign and offers reduced surge capability - making GBU607H optimal for AEC-Q101-compliant, thermally dense, high-surge applications.

Availability

GBU607H is available at Aetrix Electronics and suitable for automotive onboard chargers, industrial LED drivers, medical AC-DC adapters, and factory automation power modules requiring stable component supply and long-term lifecycle assurance.

Supply support for GBU607H includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global automotive, industrial, and consumer markets since 1979.

The GBU607H belongs to TSC's AEC-Q101-qualified bridge rectifier product line, engineered specifically for high-reliability AC/DC conversion in automotive and industrial power supplies where safety, surge resilience, and thermal performance are critical.

FAQ

What does the "H" suffix in GBU607H signify?

The "H" suffix in GBU607H indicates full AEC-Q101 qualification per JEDEC standards, covering stress tests including high-temperature reverse bias, temperature cycling, and ESD. This distinguishes it from the non-automotive GBU607 variant and confirms suitability for automotive power electronics applications where reliability under extreme conditions is mandatory. GBU607H maintains identical electrical specs to GBU607 but adds validated automotive-grade robustness.

What is the maximum allowable case temperature for continuous operation of GBU607H?

The GBU607H supports continuous operation with case temperature up to +75°C at its full 6A rated current, based on thermal derating curves in the datasheet. Exceeding this requires proportional current reduction - e.g., at 100°C case temperature, maximum sustainable I_F drops to ~4.2A. The device's 150°C maximum junction temperature and 2°C/W R_θJC allow precise thermal design when mounted to appropriate heatsinking surfaces.

Is GBU607H compatible with lead-free reflow soldering processes?

Yes, GBU607H features matte tin-plated leads qualified per J-STD-002 for solderability and is rated for lead-free reflow profiles with peak temperatures up to 260°C. The UL 94V-0 molding compound remains stable under standard JEDEC J-STD-020 moisture sensitivity level (MSL) 1 conditions, eliminating pre-bake requirements. This ensures compatibility with modern high-volume SMT assembly lines using Pb-free solder paste.

How does the junction capacitance of GBU607H affect EMI performance?

GBU607H exhibits 94pF junction capacitance per diode at 1MHz/4V, measured across its internal diodes. This value influences high-frequency common-mode noise generation during switching transitions - lower than earlier GBU601–GBU604 variants (211pF). When combined with proper snubber networks and Y-cap placement, this capacitance supports cleaner EMI signatures in Class B conducted emissions testing for lighting and adapter applications.

Can GBU607H replace GBU606 in an existing design?

Yes, GBU607H is a direct voltage-upgrade replacement for GBU606 (800V V_RRM) with identical pinout, package, thermal characteristics, and surge rating. No PCB or layout changes are required. The higher 1000V V_RRM provides additional margin against line transients and aging effects, improving long-term field reliability - especially in regions with unstable mains voltage or high harmonic content.