What are the key applications for this diode?

It is ideal for low-voltage, high-frequency rectification, free-wheeling, and polarity protection in automotive and industrial systems.

What should engineers review before using this part?

Engineers should check the thermal derating curves and ensure the junction temperature (TJ) remains within the -55°C to +150°C range.

What are the key specifications?

Key specs include a 40V peak repetitive reverse voltage, 3A average rectified forward current, and a low forward voltage drop of 0.45V at 3A.

What is the sourcing status?

The part is currently active and widely available, with MSL 1 moisture sensitivity rating.

What is the pinout of MBRA340T3G?

Use the MBRA340T3G datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about MBRA340T3G pinout to locate pins, power rails, and interface signals before layout.

MBRA340T3G Datasheet, Specs, Alternatives & ECAD | onsemi

AI summary

The MBRA340T3G is a robust 3A, 40V Schottky rectifier in an SMA package, suitable for high-frequency power applications and automotive use.

Best for

Automotive power systems
High-frequency rectification
Compact power supplies

Avoid if

Applications exceeding 40V reverse voltage
Extreme high-current designs requiring lower forward voltage than Schottky technology provides

Check before use

Thermal dissipation requirements
PCB pad size for heat transfer

Key specifications

VRRM: 40 V
IO: 3 A
VF (max): 0.45 V
Package: SMA

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

AutomotivePower Supply

Datasheet

ELNAD00014-108.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MBRA340T3G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

Land pattern for PCB layout

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3D Model

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Part	Details	Match
SS34MDD	A pin-compatible alternative with identical ratings and package. Review forward voltage for thermal impact.	Needs validation

SS310MDD	An upgrade path with a higher voltage rating (100V) in the same SMA package.	Needs validation
SS510DIYI	A robust upgrade with higher voltage and current ratings in the same SMA package.	Needs validation
SS34CMDD	A functional alternative with identical ratings, but in a larger SMC package requiring a board redesign.	Needs validation
SS54CMDD	A functional alternative with higher current, but in a larger SMC package requiring a board redesign.	Needs validation

Design and risk insights

Questions & answers

It is a Schottky barrier power rectifier designed for surface mount applications, featuring a 40V reverse voltage and 3A forward current capability.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the MBRA340T3G?+×

What are the key applications for this diode?+×

What should engineers review before using this part?+×

What are the key specifications?+×

What is the sourcing status?+×

What is the pinout of MBRA340T3G?+×