LSM545JE3/TR13 Equivalent & Substitute Parts Reference

Part Overview

The LSM545JE3/TR13 is a Schottky rectifier diode from Microchip Technology in the Diodes, Rectifiers category. It is characterized by a maximum reverse voltage of 45 V, an average rectified current of 5 A, and a low forward voltage drop. The device is supplied in a surface mount DO-214AB (SMC) package and complies with ROHS3 and REACH standards. The product is active with substantial inventory available. Identifying alternative models is necessary to address procurement flexibility, supply chain continuity, and potential lead time reductions.

Key Parameters

Parameter	LSM545JE3/TR13
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	45 V
Current - Average Rectified (Io)	5A
Voltage - Forward (Vf) (Max) @ If	520 mV @ 5 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	2 mA @ 45 V
Mounting Type	Surface Mount
Package / Case	DO-214AB, SMC
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitution is performed by strict matching of key electrical and mechanical parameters for Schottky rectifiers, including:

Device category (Diodes, Rectifiers)
Technology (Schottky)
Voltage - DC Reverse (Vr) (Max)
Current - Average Rectified (Io)
Voltage - Forward (Vf) (Max) @ If
Speed
Reverse leakage current @ Vr
Mounting type (Surface Mount)
Package / Case (DO-214AB, SMC)
Operating temperature range
RoHS/REACH compliance
Product status

Only parts matching these parameters are included as substitutes.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Reverse Leakage @ Vr	Speed	Mounting Type	Package / Case	Operating Temperature - Junction	RoHS Status	REACH Status	Product Status
LSM545JE3/TR13	Microchip Technology	45 V	5A	520 mV @ 5 A	2 mA @ 45 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	REACH Unaffected	Active
B540C-13-F	Diodes Incorporated	40 V	5A	550 mV @ 5 A	500 µA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	REACH Unaffected	Active
SK54L-TP	Micro Commercial Co	40 V	5A	550 mV @ 5 A	1 mA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	REACH Unaffected	Active
SK64L-TP	Micro Commercial Co	40 V	6A	650 mV @ 6 A	1 mA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	-55°C ~ 150°C	ROHS3 Compliant	REACH Unaffected	Not For New Designs
STPS340S	STMicroelectronics	40 V	3A	630 mV @ 3 A	20 µA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	150°C (Max)	ROHS3 Compliant	REACH Unaffected	Active
STPS340SY	STMicroelectronics	40 V	3A	630 mV @ 3 A	20 µA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	-40°C ~ 150°C	ROHS3 Compliant	REACH Unaffected	Active
STPS3L40S	STMicroelectronics	40 V	3A	500 mV @ 3 A	100 µA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	150°C (Max)	ROHS3 Compliant	REACH Unaffected	Active
STPS3L40SY	STMicroelectronics	40 V	3A	500 mV @ 3 A	100 µA @ 40 V	Fast Recovery =< 500ns, >200mA (Io)	Surface Mount	DO-214AB, SMC	-40°C ~ 150°C	ROHS3 Compliant	REACH Unaffected	Active

Engineering Selection Recommendations

All substitute parts listed are specified as ROHS3 compliant and REACH unaffected. Only parts with an "Active" product status are suitable for new designs. Parts labeled "Not For New Designs" are not recommended for new applications from a status standpoint. All substitutes comply with the same environmental and moisture sensitivity standards as the main device.

Frequently Asked Questions (FAQ)

Q1: What are the most critical parameters when selecting a substitute for the LSM545JE3/TR13?
A1: Key parameters include Schottky technology, voltage and current ratings, forward voltage drop, reverse leakage current, package type (DO-214AB/SMC), operating temperature range, and environmental compliance.

Q2: Are all substitute parts surface mount and mechanically compatible?
A2: All substitute parts are specified as surface mount devices in the DO-214AB (SMC) package, ensuring mechanical compatibility.

Q3: Does RoHS or REACH compliance affect substitutability?
A3: Yes. All substitutes and the main part are listed as ROHS3 compliant and REACH unaffected for direct environmental and regulatory compatibility.

Q4: Is product status important when selecting substitutes?
A4: Yes. Only substitutes with an "Active" product status should be considered for new design-in to support long-term availability.

Q5: Are the electrical ratings of the substitutes strictly within the required category parameters?
A5: Only substitute parts with provided ratings matching the required electrical category and specified values are included. Variations are detailed in the parameter comparison table for engineering reference.

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