Taiwan Semiconductor Corporation GBU15L06

Overview

GBU15L06 from Taiwan Semiconductor is a 15A, 800V repetitive peak reverse voltage quad-configuration bridge rectifier with low forward voltage (0.93 V typ. @ 7.5A, 25°C), 200A surge capability, and UL Recognized (E-326243) construction in GBU package - used in high-efficiency SMPS and lighting power supplies.

For engineers reviewing the GBU15L06 datasheet, GBU15L06 pinout, GBU15L06 application, or GBU15L06 equivalent, key selection factors include its 800V V_RRM, 15A average forward current rating, thermal resistance (R_θJC = 3°C/W), AEC-Q101 qualification option (GBU15L06H), and GBU package mechanical compatibility.

Technical Context

The GBU15L06 implements a monolithic quad-diode bridge configuration with oxide planar chip junctions, enabling high surge current handling (200A @ 8.3ms) and stable operation up to 150°C junction temperature. Its low forward voltage improves system efficiency in continuous conduction mode power converters.

Thermal performance is defined by R_θJA = 15°C/W (free air) and R_θJC = 3°C/W, supporting reliable heat transfer to heatsinks or PCB copper. Reverse leakage remains ≤5 µA at 25°C and ≤150 µA at 125°C under rated V_R.

Key Specifications

Pinout & Package

GBU package: 4-pin single-in-line (SIL), 10.5 mm × 14.2 mm × 4.2 mm body, UL 94V-0 molding compound, matte tin-plated leads solderable per J-STD-002.

Key Features

Applications

Equivalent & Alternatives

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

Compared with GBU15K and GBU15J, the GBU15L06 delivers higher voltage blocking (800V vs. 600V/400V) while maintaining identical thermal performance and package compatibility - making it the preferred choice for global-input, high-reliability, and surge-prone applications.

Availability

GBU15L06 is available at Aetrix Electronics and suitable for switching mode power supplies, LED lighting drivers, and industrial AC adapters requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for GBU15L06 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 industrial, computing, and consumer markets since 1979.

The GBU series bridge rectifiers are designed for high-efficiency, high-reliability AC/DC front-end conversion in universal-input power supplies, with emphasis on low V_F, robust surge handling, and safety-certified packaging.

FAQ

What is the maximum repetitive peak reverse voltage (V_RRM) of the GBU15L06?

The GBU15L06 has a maximum repetitive peak reverse voltage (V_RRM) of 800 V. This rating ensures reliable blocking of high-voltage transients on universal AC mains inputs, including 277VAC commercial lighting circuits. The value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version C2103) and applies specifically to the GBU15L06 variant - not shared with lower-voltage siblings like GBU15L05 (600V).

Does the GBU15L06 have AEC-Q101 qualification?

The base GBU15L06 is not AEC-Q101 qualified, but the variant GBU15L06H is explicitly listed as AEC-Q101 qualified in the Ordering Information section of the datasheet. This distinction is critical: only the "H" suffix version meets automotive stress-test requirements. Engineers specifying GBU15L06 for automotive applications must select GBU15L06H and verify compliance documentation directly from Taiwan Semiconductor.

What is the forward voltage (V_F) of the GBU15L06 at operating conditions?

The GBU15L06 has a typical forward voltage of 0.93 V per diode at 7.5 A and 25°C, with a maximum of 0.96 V under the same conditions. At elevated junction temperatures (125°C), the datasheet does not specify V_F - meaning design margins must rely on the 25°C max value or characterization curves. This V_F directly impacts conduction loss and thermal design in high-current rectifier stages.

How does the GBU15L06 differ from the GBU15L05?

The GBU15L06 differs from the GBU15L05 solely in its repetitive peak reverse voltage: 800 V versus 600 V. All other parameters - including I_F (15 A), I_FSM (200 A), package (GBU), thermal resistance (R_θJC = 3°C/W), and marking code - are identical. The datasheet confirms this in the Absolute Maximum Ratings table, where only V_RRM, V_R(RMS), and associated test conditions differ between the two variants.

What is the thermal resistance from junction to case (R_θJC) for the GBU15L06?

GBU15L06 has a junction-to-case thermal resistance (R_θJC) of 3°C/W, as specified in the Thermal Performance section of the datasheet. This value is measured under standard mounting conditions and enables accurate heatsink sizing when the device is mounted to a thermally conductive surface. It is identical for both GBU15L05 and GBU15L06, confirming consistent internal die and package construction across the voltage variants.