Diodes Incorporated SBL6060PT

Overview

SBL6060PT from Diodes Incorporated is a 60A, 60V Schottky barrier rectifier in TO-3P package, designed for high-current freewheeling and polarity protection in low-voltage DC/DC converters and industrial power supplies. It delivers 0.70V forward voltage at 30A and 25°C, supports 500A non-repetitive surge current, and features guard ring die construction for transient robustness.

For engineers reviewing the SBL6060PT datasheet, SBL6060PT pinout, SBL6060PT application, or SBL6060PT equivalent, key selection criteria include its 60V VRRM rating, 0.5°C/W thermal resistance, 1500pF junction capacitance at 4V, 60A average output current at TC=100°C, and TO-3P mechanical compatibility with heatsink mounting.

Technical Context

This discrete Schottky rectifier uses planar guard ring die construction to suppress edge breakdown and improve transient immunity. Its low forward voltage drop (0.70V @ 30A, 25°C) and low thermal resistance (0.5°C/W) enable high-efficiency operation in high-current switching power stages.

The device is rated for continuous 60A average forward current when case temperature is maintained at 100°C, with derating required above that point. Its 500A IFSM rating supports robust startup and fault tolerance in motor drives and UPS systems.

Key Specifications

Pinout & Package

TO-3P package: molded plastic case (UL 94V-0), 3-terminal configuration with anode, cathode, and metal tab (cathode-connected). Mounting via central screw hole; tab serves as cathode terminal and thermal path to heatsink.

Key Features

Applications

Availability

SBL6060PT is available at Aetrix Electronics and suitable for industrial motor drives, PLC power inputs, UPS output stages, and DC/DC converter freewheeling requiring stable component supply despite its obsolete status.

Supply support for SBL6060PT 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, specializing in high-reliability power management and signal integrity solutions for industrial and computing markets.

The SBL6060PT belongs to the SBLx0xxPT Schottky rectifier product line, engineered for high-current, low-VF applications in power conversion where thermal performance and surge resilience are critical.

FAQ

Is SBL6060PT still in production?

No. Diodes Incorporated has officially discontinued the SBL6060PT, marking it "OBSOLETE – PART DISCONTINUED" in the August 2015 datasheet. Aetrix Electronics maintains limited legacy stock with full traceability and offers engineering support for last-time buy and redesign guidance.

What is the cathode connection method on the TO-3P package?

The metal tab is electrically connected to the cathode and serves as both the primary current-carrying terminal and thermal interface. Lead 2 is also cathode; both must be routed to the same net. Insulating hardware is required if mounting to a grounded heatsink.

How does the guard ring construction improve reliability?

The guard ring mitigates electric field crowding at the die periphery, preventing premature edge avalanche during voltage transients. This extends operational life in applications with repetitive line surges or inductive switching noise, such as motor control and industrial SMPS.

Can SBL6060PT replace SBL6050PT in existing designs?

Yes - the SBL6060PT shares identical TO-3P packaging, pinout, and thermal characteristics with the SBL6050PT, but offers higher 60V VRRM versus 50V. No layout or thermal changes are needed; the higher voltage margin improves safety margin in 48V systems with ripple or transients.