Diodes Incorporated SBR3M30P1-7

Overview

SBR3M30P1-7 from Diodes Incorporated is a 3.0A, 30V surface-mount Super Barrier Rectifier in POWERDI®123 package, featuring ultra-low leakage (≤8.5µA @5V, 25°C), soft fast switching, and +175°C junction rating. It delivers low forward voltage (0.26V @0.1A, 25°C) and high surge robustness (75A IFSM), enabling use in automotive DC-DC converters and industrial power supplies where efficiency and thermal resilience are critical.

For engineers reviewing the SBR3M30P1-7 datasheet, SBR3M30P1-7 pinout, SBR3M30P1-7 application, or SBR3M30P1-7 equivalent, key selection criteria include its 30V VRRM rating, 0.26–0.50V VF range across load/temperature, ±16kV HBM ESD protection, AEC-Q101 qualification, and POWERDI®123 thermal resistance (RθJS = 5°C/W).

Technical Context

This Super Barrier Rectifier uses patented interlocking clip design and proprietary barrier technology to achieve lower forward voltage than Schottky diodes while maintaining superior reverse avalanche capability (EAS = 105mJ) and high-temperature stability up to +175°C. Its soft recovery minimizes EMI in high-frequency switching circuits.

The device is optimized for unidirectional rectification in low-voltage, high-current paths-especially where low conduction loss and high reliability under thermal stress are required. It replaces standard Schottkys in automotive body control modules and industrial SMPS secondary-side outputs without sacrificing surge immunity.

Key Specifications

Pinout & Package

Package: POWERDI®123 - Surface-mount plastic package with exposed cathode tab for enhanced thermal dissipation (RθJS = 5°C/W). Molded "Green" compound (UL 94V-0), lead-free, halogen-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SBRT3M30P1-7 and SS3H30, SBR3M30P1-7 offers optimal balance of surge margin, thermal headroom, and automotive qualification-making it the default choice for AEC-Q101-compliant 3A rectification where footprint and cost are constrained.

Availability

SBR3M30P1-7 is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC-DC converters, LED driver power supplies, and telecom PoE midspan injectors requiring stable component supply, long-term lifecycle support, and AEC-Q101 compliance.

Supply support for SBR3M30P1-7 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 (Super Barrier Rectifier) product line targets high-efficiency, high-reliability power conversion in automotive, industrial, and computing applications-specifically engineered to replace Schottky diodes where reverse ruggedness and temperature stability are mandatory.

FAQ

What is the maximum continuous forward current at +100°C ambient?

At +100°C ambient temperature, the SBR3M30P1-7 supports approximately 1.5A average forward current, based on the derating curve in Figure 5 of DS30641 Rev. 9–2. This assumes FR-4 PCB with 2 oz. copper and minimum recommended pad layout per Diodes' AP02001.

Does this device require a heatsink for 3A operation at room temperature?

No external heatsink is required for 3A operation at 25°C ambient. With RθJS = 5°C/W and typical power dissipation of ~1.05W (3.0A × 0.35V), junction temperature rise is ~5.3°C above solder point-well within the +175°C limit. PCB copper area serves as sufficient thermal path.

Is the POWERDI®123 package compatible with standard SMT reflow profiles?

Yes-the POWERDI®123 package is qualified for lead-free reflow per JEDEC J-STD-020, with peak temperature up to 260°C. Its moisture sensitivity level is MSL 1, eliminating bake requirements prior to assembly.

How does the SBR3M30P1-7 compare to standard Schottky diodes in reverse leakage at high temperature?

At +125°C and VR = 30V, SBR3M30P1-7 exhibits ≤100µA leakage-up to 10× lower than typical 3A Schottkys (e.g., 1mA range). This is confirmed in Table "Electrical Characteristics" on page 2 of DS30641, enabling stable bias networks in high-temp sensor interfaces.