What are the key specifications of the SB1045L?

Key specs include a 45V reverse voltage, 10A average rectified current, 0.55V forward voltage drop at 10A, and a 175A peak forward surge current.

What should engineers review before using the SB1045L?

Engineers should review the thermal derating curve (Fig. 1) and ensure the PCB layout provides sufficient heat sinking, as the thermal resistance (RθJA) is 60°C/W.

What are the sourcing risks for the SB1045L?

The component is widely available and currently in active production, with no significant supply chain risks reported.

SB1045L Datasheet, Alternatives & Specs | GOODWORK

AI summary

The SB1045L is a 45V, 10A Schottky barrier rectifier in a TO-277 package, ideal for high-efficiency surface-mount power applications.

Best for

Power supplies
DC-DC converters
Automated assembly lines

Avoid if

Applications exceeding 45V reverse voltage
Environments requiring extreme thermal stability without heat sinking

Check before use

Thermal dissipation requirements
PCB footprint compatibility

Key specifications

Reverse Voltage: 45 V
Forward Current: 10 A
Forward Voltage: 0.55 V
Package: TO-277

Compliance & Environment

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

Application

PowerIndustrial

Datasheet

adb47cb4436bc66bd13f594e4cbffa79.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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Alternative components

Part	Details	Match
SB1045LGOODWORK	Cross-vendor equivalent from MDD with matching key specs and TO-277 package. A strong candidate for direct replacement.	Needs validation

SD10U45LLGE	An excellent alternative with matching ratings and a lower forward voltage (Vf) for improved efficiency.	Needs validation
ST2045MDD(Microdiode Semiconductor)	This upgrade offers double the current rating (20A) in the same TO-277 package, providing increased robustness.	Needs validation
SB10100LMDD	Functional alternative with a higher voltage rating but a worse forward voltage drop, which may impact efficiency.	Needs validation

Design and risk insights

Questions & answers

The SB1045L is a Schottky barrier rectifier diode designed for surface-mount applications, featuring a 45V reverse voltage rating and 10A forward current capacity.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the SB1045L?+×

What are the key specifications of the SB1045L?+×

What should engineers review before using the SB1045L?+×

What are the sourcing risks for the SB1045L?+×