Diodes Incorporated SBR12M120P5-13D

Overview

SBR12M120P5-13D from Diodes Incorporated is a 12A, 120V Super Barrier Rectifier (SBR®) in the POWERDI®5 package, engineered for high-efficiency AC/DC adaptors and DC/DC converters. It delivers VF = 0.83 V at 12 A and 25°C, IR ≤ 0.2 mA at 120 V and 25°C, and operates up to +150°C junction temperature - enabling compact, thermally stable rectification in space-constrained power supplies.

For engineers reviewing the SBR12M120P5-13D datasheet, SBR12M120P5-13D pinout, SBR12M120P5-13D application, or SBR12M120P5-13D equivalent, key selection criteria include forward voltage drop at full load, reverse leakage stability across temperature, thermal resistance (RθJA = 18°C/W), and low-profile packaging compatibility with thin PCB assemblies.

Technical Context

This SBR rectifier uses a proprietary super barrier structure to achieve lower VF than standard Schottky diodes while maintaining significantly better high-temperature IR stability than conventional Schottkys. Its architecture avoids the rapid IR escalation typical of Schottky devices above 85°C.

The POWERDI®5 package integrates a bottom-side heat sink and optimized copper leadframe to deliver RθJA = 18°C/W on FR-4 (16×MRP), supporting continuous 12 A conduction at ambient temperatures up to +85°C without forced cooling.

Key Specifications

Pinout & Package

Packaged in the POWERDI®5 surface-mount outline (3.966 mm × 6.504 mm × 1.10 mm max height), this device features a bottom-side thermal pad for PCB-level heat dissipation and two terminals: anode and cathode. The package is RoHS-compliant, halogen-free, and rated UL 94V-0.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SBRT12U120P5-13D, SBR12M120P5-13D offers broader cost-performance balance for mainstream 120 V rectification; versus PS1240L-13, it provides essential 120 V blocking capability and superior high-temp IR stability at modest VF penalty.

Availability

SBR12M120P5-13D is available at Aetrix Electronics and suitable for AC/DC adapters, DC/DC converters, and industrial power supplies requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for SBR12M120P5-13D 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-efficiency power management, signal integrity, and protection solutions for consumer, industrial, and automotive markets.

The SBR® product line targets high-current, high-reliability rectification where conventional Schottky limitations in leakage and temperature stability impede performance - delivering optimized VF/IR trade-offs for next-generation power supplies.

FAQ

What is the maximum continuous forward current rating for SBR12M120P5-13D?

The device is rated for 12 A average forward current (IO) at TA = +25°C with proper PCB thermal management. Derating is required above +25°C ambient: Figure 3 shows linear derating to zero at +125°C ambient on standard FR-4 (16×MRP). At +85°C ambient, usable IO is approximately 8.5 A.

Does SBR12M120P5-13D require a heatsink for 12 A operation?

No external heatsink is required if mounted per Diodes' recommended AP02001 pad layout on FR-4 with ≥100 mm² copper pour under the bottom thermal pad. With RθJA = 18°C/W and TJ(max) = +150°C, it sustains 12 A at up to +85°C ambient without forced airflow or additional thermal mass.

How does SBR12M120P5-13D differ from standard Schottky rectifiers?

Unlike standard Schottkys, this SBR uses a patented super barrier structure that suppresses high-temperature reverse leakage - IR remains ≤30 mA at +125°C and 120 V, whereas typical Schottkys exceed 100 mA under same conditions. VF is slightly higher than ultra-low-VF Schottkys but significantly more stable across temperature.

Is SBR12M120P5-13D suitable for automotive under-hood applications?

It meets the +150°C junction temperature rating required for many under-hood locations, and its IR stability at high temperature supports reliable operation in engine control units or lighting modules. However, it is not AEC-Q101 qualified; for automotive safety-critical systems, Diodes' AEC-Q101-certified SBR variants should be selected instead.