Diodes Incorporated SBRT3U60SAF-13

Overview

SBRT3U60SAF-13 from Diodes Incorporated is a 3A, 60V Trench Super Barrier Rectifier (SBR®) in SMAF package, featuring ultra-low 0.53 V forward voltage at 3A/25°C, <0.5 mA reverse leakage at 60V/25°C, and AEC-Q101 qualification. It serves as a high-efficiency boost or blocking diode in DC-DC converters and power supplies operating up to +150°C ambient.

For engineers reviewing the SBRT3U60SAF-13 datasheet, SBRT3U60SAF-13 pinout, SBRT3U60SAF-13 application, or SBRT3U60SAF-13 equivalent, key selection criteria include forward voltage at 3A, high-temperature leakage stability, thermal resistance (RθJA = 95°C/W), AEC-Q101 compliance, and SMAF package footprint compatibility with space-constrained PCB layouts.

Technical Context

This SBR rectifier uses patented trench-based super barrier technology to achieve lower VF than standard Schottky diodes while maintaining superior high-temperature IR stability. Its architecture eliminates the trade-off between low forward drop and high reverse leakage common in conventional Schottkys.

Designed for unidirectional current flow in switching power topologies, it supports continuous 3A DC output with 40A non-repetitive surge capability and operates across –55°C to +150°C junction temperature range. The device's 30°C/W RθJC enables effective heat transfer to PCB copper pads under sustained load.

Key Specifications

Pinout & Package

Package: SMAF (Surface-Mount Axial Flat), molded plastic case with matte tin–annealed copper leadframe, polarity indicated by cathode band. Dimensions: 4.00 mm × 2.25–2.95 mm × 0.90–1.10 mm (L×W×H), weight ≈ 0.035 g.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-efficiency rectifier applications.

Compared with SBRT3U60SAF-13, the SMA variant trades 10°C/W higher thermal resistance for broader distributor availability, while the MBR360SF-TP sacrifices 0.19 V forward drop and AEC-Q101 validation for lower unit cost-making SBRT3U60SAF-13 optimal for thermally constrained, automotive-qualified, or high-reliability industrial rectification.

Availability

SBRT3U60SAF-13 is available at Aetrix Electronics and suitable for DC-DC boost converters, solar charge controllers, motor driver recirculation paths, and AC-DC adapter secondary-side rectification requiring stable component supply across automotive, industrial, and renewable energy programs.

Supply support for SBRT3U60SAF-13 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 SBR® product line delivers high-efficiency, high-reliability rectifiers using proprietary trench super barrier technology-specifically engineered for power conversion in automotive, industrial, and computing applications demanding low VF and stable high-temperature leakage.

FAQ

What is the maximum junction temperature and how is it validated?

The SBRT3U60SAF-13 has a rated junction temperature range of –55°C to +150°C, verified per AEC-Q101 stress tests including High Temperature Reverse Bias (HTRB) at 150°C for 1000 hours and Temperature Cycling (–55°C to +150°C, 1000 cycles). Thermal performance is characterized on standard FR-4 boards with defined copper pad geometry.

Is the SMAF package compatible with standard SMA reflow profiles?

Yes-the SMAF package uses matte tin–annealed copper leadframe and complies with J-STD-020 moisture sensitivity Level 1. It is fully compatible with standard SnPb and lead-free reflow profiles, including peak temperatures up to 260°C for ≤10 seconds, with no special pre-bake required.

How does its reverse leakage compare to standard Schottky diodes at high temperature?

At 60V reverse bias and +125°C, SBRT3U60SAF-13 exhibits ≤30 mA leakage-typically 3–5× lower than comparable Schottky diodes (e.g., MBR360SF-TP shows ~100–150 mA). This reduction directly improves system reliability by mitigating thermal runaway risk in enclosed, high-ambient environments.

Can it replace a standard 3A/60V Schottky in an existing design without layout changes?

Yes-the SMAF footprint matches industry-standard SMA pad layouts (4.00 mm × 2.50 mm), and mechanical dimensions (including cathode band position and terminal spacing) are identical to SMA. No PCB redesign is needed; only verify thermal margin given its lower RθJA (95°C/W vs. ~105°C/W for many SMA Schottkys).