Diodes Incorporated SBRT30A60CT

Overview

SBRT30A60CT from Diodes Incorporated is a 30A dual common-cathode Trench Super Barrier Rectifier rated for 60V peak reverse voltage, with max 0.56V forward voltage at 15A/25°C and 0.54V at 15A/125°C, designed for high-efficiency AC-DC and DC-DC power conversion in industrial SMPS and server VRMs.

For engineers reviewing the SBRT30A60CT datasheet, SBRT30A60CT pinout, SBRT30A60CT application, or SBRT30A60CT equivalent, key selection criteria include ultra-low VF stability across temperature, <70µA IR at 60V/125°C, TO-220AB thermal resistance of 1°C/W (with heatsink), and dual-leg parallel rectification capability.

Technical Context

This dual common-cathode SBR integrates two independent 15A rectifying elements sharing a single cathode terminal, enabling synchronous or interleaved output configurations. Its trench-based super barrier architecture delivers lower VF than Schottky diodes while maintaining superior high-temperature leakage performance compared to standard PN junction rectifiers.

Designed for operation up to +150°C junction temperature, it sustains <400µA reverse leakage at 60V and 125°C - critical for thermally constrained environments such as enclosed power supplies and telecom rectifiers where thermal runaway must be avoided.

Key Specifications

Pinout & Package

Packaged in industry-standard TO-220AB outline with isolated tab, featuring three terminals: two anodes (A1, A2) and one shared cathode (K). The metal tab is electrically connected to the cathode and serves as primary heat path.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-current, low-VF rectifier applications.

Compared with STPS30H60CG and MBR3060CT, SBRT30A60CT delivers the lowest VF and smallest IR at high temperature - making it optimal for sealed, high-density, or high-ambient power systems where thermal management is critical.

Availability

SBRT30A60CT is available at Aetrix Electronics and suitable for server VRMs, industrial AC-DC front-ends, and telecom rectifier modules requiring stable component supply, long-lifecycle support, and RoHS-compliant green packaging.

Supply support for SBRT30A60CT 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, serving industrial, computing, communications, and consumer markets with over 40 years of power device expertise.

The TrenchSBR product line targets high-efficiency power conversion applications demanding lower VF than Schottky diodes without sacrificing high-temperature reliability - specifically engineered for next-generation SMPS, VRMs, and renewable energy systems.

FAQ

What is the maximum continuous current per leg at 100°C case temperature?

At TC = 100°C, the SBRT30A60CT supports 10.5A per leg based on Figure 3's derating curve. This reflects 30% reduction from the 15A rating at 25°C, ensuring safe operation within its 150°C maximum junction temperature limit when mounted on a specified 50mm × 50mm × 23mm aluminum heatsink.

Is the metal tab electrically isolated or connected to a terminal?

The TO-220AB metal tab is directly connected to the common cathode (K) terminal and is not electrically isolated. It must be mounted to a heatsink using insulating hardware if the heatsink is grounded or at a different potential than the cathode net.

How does SBRT30A60CT differ from standard Schottky rectifiers in high-temperature operation?

Unlike standard Schottky diodes, which exhibit exponential IR increase above 85°C, the SBRT30A60CT's trench super barrier structure limits IR to 70µA at 125°C and 60V - less than 6% of typical Schottky leakage at the same condition - preventing thermal runaway and enabling reliable unforced convection cooling.

Can SBRT30A60CT replace a single 30A standard diode in a full-wave bridge?

No - SBRT30A60CT is a dual common-cathode device (A1-K-A2), not a full-bridge. It replaces two separate 15A anodes feeding one cathode bus. To implement a full-wave bridge, four discrete diodes or a dedicated bridge package (e.g., GBU306) is required; this part serves only half-wave or dual-output rectification topologies.