Taiwan Semiconductor Corporation GBL08HD2G

Overview

GBL08HD2G from Taiwan Semiconductor is a glass-passivated AEC-Q101 qualified standard bridge rectifier in GBL package, rated for 4A average forward current, 800V repetitive peak reverse voltage (VRRM), and 150A non-repetitive surge current (IFSM), used in automotive-grade AC/DC front-end stages of lighting drivers and onboard chargers.

For engineers reviewing the GBL08HD2G datasheet, GBL08HD2G pinout, GBL08HD2G application, or GBL08HD2G equivalent, key selection criteria include VRRM margin for 400VAC input derating, thermal resistance (RθJL = 13°C/W) for PCB-mount heatsinking, IR < 5 µA at 25°C for low standby leakage, and matte tin-plated leads compliant with J-STD-002 solderability.

Technical Context

This quad-diode bridge integrates four silicon junctions in a single GBL molded package with glass passivation for enhanced moisture and contamination resistance. It supports full-wave rectification without external wiring, with polarity marked on the case and UL recognition (E-326243) confirming safety compliance.

The device operates across -55°C to +150°C junction temperature range and delivers stable performance under 8.3ms half-sine surge conditions (IFSM = 150A). Its RθJA = 32°C/W and RθJC = 8°C/W enable direct PCB copper-pad thermal management per JEDEC standards.

Key Specifications

Pinout & Package

GBL08HD2G uses the industry-standard GBL package: 4-pin single-in-line (SIL) molded body with matte tin-plated leads, 2.00 g weight, UL 94V-0 compound, and polarity marked as "~" inputs and "+"/"–" outputs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with GBL08H, GBL08HD2G adds date-code traceability and green compound identification; versus GBU8K, it offers 22% lower thermal resistance and 1.2 mm smaller height-critical for low-profile automotive lighting modules.

Availability

GBL08HD2G is available at Aetrix Electronics and suitable for automotive LED lighting, industrial AC/DC adapters, smart streetlight power supplies, and HVAC control modules requiring stable component supply with AEC-Q101 assurance and RoHS/halogen-free compliance.

Supply support for GBL08HD2G 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 GBL series was designed specifically for high-reliability AC/DC front-end rectification in automotive lighting and industrial power supplies, emphasizing AEC-Q101 qualification, glass passivation, and UL safety certification.

FAQ

What does the 'D2G' suffix in GBL08HD2G signify?

The 'D2G' suffix in GBL08HD2G indicates dual marking features: 'D' denotes date code (YWW format), and 'G' specifies green (halogen-free) molding compound per IEC 61249-2-21. This distinguishes it from base GBL08H, which lacks both identifiers. GBL08HD2G maintains identical electrical ratings, AEC-Q101 qualification, and thermal performance as GBL08H, but adds full traceability and environmental compliance required by Tier-1 automotive customers.

Is GBL08HD2G pin-compatible with other GBL-series rectifiers like GBL06HD2G or GBL10HD2G?

Yes, GBL08HD2G shares identical GBL package dimensions, lead spacing, and 4-pin SIL pinout with all GBL-series rectifiers including GBL06HD2G and GBL10HD2G. The only differences are VRRM rating (600 V, 800 V, 1000 V respectively) and corresponding I²t and thermal derating curves. PCB layout can be reused across the family, provided voltage margin and surge handling meet system requirements for each variant.

Does GBL08HD2G require a heatsink in typical 4 A operation?

GBL08HD2G does not require an external heatsink when operated at ≤4 A average forward current with proper PCB thermal design: mounting on ≥0.5" × 0.5" copper pads achieves RθJA ≈ 32°C/W, limiting junction rise to ~128°C at 25°C ambient. For sustained 4 A loads above 60°C ambient, adding 2" × 3" aluminum heatsink reduces RθJA to ~10°C/W. The device's RθJL = 13°C/W enables efficient conduction directly into the PCB.

How does the AEC-Q101 qualification of GBL08HD2G impact its use in non-automotive applications?

The AEC-Q101 qualification of GBL08HD2G validates its robustness against temperature cycling, mechanical shock, and humidity-making it highly suitable for demanding non-automotive applications such as outdoor LED streetlights, industrial motor controls, and telecom power supplies. While not mandatory outside automotive, this qualification provides measurable reliability margins: extended lifetime at high TJ, reduced infant mortality, and proven resistance to thermal-mechanical stress during reflow and field operation.

What is the maximum allowable PCB trace width for GBL08HD2G's 4 A continuous current?

For 4 A continuous current with ≤20°C temperature rise, IPC-2221 recommends ≥2.3 mm (90 mil) trace width on 1 oz copper (35 µm) internal layer, or ≥1.3 mm (51 mil) on external layer with solder mask. GBL08HD2G's matte tin-plated leads comply with J-STD-002, supporting reliable solder joint formation. To achieve rated 4 A, both AC and DC traces must be routed to ≥0.5" × 0.5" copper pads per terminal to leverage the specified RθJL = 13°C/W thermal path.