Diodes Incorporated GBU15L06-TU

Overview

GBU15L06-TU from Diodes Incorporated is a 15A, 600V glass-passivated single-phase bridge rectifier in GBU package, featuring 0.9V max forward voltage at 7.5A, 10µA max reverse leakage at 600V, and 2500VRMS dielectric strength-designed for AC/DC power supplies in industrial motor drives and HVAC control systems.

For engineers reviewing the GBU15L06-TU datasheet, GBU15L06-TU pinout, GBU15L06-TU application, or GBU15L06-TU equivalent, key selection criteria include peak surge current rating (200A @ 8.3ms), thermal resistance junction-to-lead (3°C/W), low VF performance under high-temperature operation, and UL recognition (E95060) for safety-critical power conversion designs.

Technical Context

This bridge rectifier integrates four silicon diodes in a single GBU molded plastic case with matte tin-plated leads, enabling PCB-mountable full-wave AC-to-DC conversion without external interconnects. Its glass-passivated die construction ensures stable reverse characteristics across -40°C to +150°C junction temperature range.

The device delivers 15A average forward current with heatsink at TC = +115°C, derates to 3.7A without heatsink, and sustains non-repetitive surge currents up to 550A (1.0ms half-sine) at TJ = +25°C-supporting inrush-tolerant front-end rectification in switch-mode power supplies and battery chargers.

Key Specifications

Pinout & Package

Package: GBU (single-in-line, 4-terminal molded plastic housing, 22.05mm × 7.65mm × 17.75mm nominal, weight ≈ 4.0g, UL 94V-0 rated).

Key Features

Applications

Equivalent & Alternatives

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

Compared with GBU15K-TU and KBU15B, GBU15L06-TU uniquely combines UL recognition, lowest VF (0.9V), and GBU package compatibility-making it optimal for certified, thermally constrained, and high-efficiency industrial power supplies.

Availability

GBU15L06-TU is available at Aetrix Electronics and suitable for industrial motor drives, HVAC control systems, and switch-mode power supplies requiring stable component supply, long-lifecycle support, and RoHS-compliant sourcing.

Supply support for GBU15L06-TU 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

The GBU series belongs to Diodes' high-current bridge rectifier product line, engineered specifically for reliable, low-loss AC/DC conversion in industrial, automotive, and computing power systems where thermal performance and safety certification are critical.

FAQ

What is the maximum operating junction temperature for GBU15L06-TU?

The GBU15L06-TU has a specified operating junction temperature range of -40°C to +150°C. This wide range supports deployment in harsh environments such as enclosed motor drive cabinets or outdoor HVAC units where ambient temperatures exceed 85°C and self-heating must be managed via PCB copper area or minimal heatsinking.

Is GBU15L06-TU suitable for automotive applications?

GBU15L06-TU is not AEC-Q101 qualified and lacks PPAP documentation or IATF 16949 manufacturing evidence in its public datasheet. While its -40°C to +150°C rating meets automotive ambient requirements, Diodes explicitly states that automotive-grade variants require direct consultation and custom qualification-so it is not recommended for safety-critical vehicle systems without further validation.

How does the GBU package differ from KBPC or DBS packages in layout?

The GBU package uses a single-in-line 4-pin configuration with AC1/AC2/+/- terminals spaced 5.08mm apart, optimized for through-hole PCB mounting with axial lead spacing. Unlike KBPC (dual-in-line) or DBS (surface-mount), GBU provides higher creepage/clearance and mechanical robustness for high-voltage AC inputs, while maintaining compatibility with standard wave-solder processes.

Can GBU15L06-TU replace GBU15J without redesign?

No-GBU15J has 400V VRRM and 1.1V VF max, making it electrically incompatible with 600V line applications. Substituting GBU15L06-TU for GBU15J would require verifying board clearance, thermal margin, and UL recognition alignment, as the higher voltage rating introduces different insulation and safety testing implications despite identical pinout and package.