SS12P2LHM3_A/I Equivalent & Substitute Parts Reference

Part Overview

The Vishay SS12P2LHM3_A/I is a surface-mount Schottky diode used in rectifier applications requiring high current handling (12A) and low forward voltage drop (560 mV at 12A). It features a 20V maximum reverse voltage, fast recovery, and is designed for automotive environments with full AEC-Q101 qualification. The part is active and supplied in the TO-277A (SMPC) package. Identifying equivalent or substitute parts is essential for ensuring continuous supply, managing component lead times, or maintaining inventory flexibility within applications requiring strict adherence to electrical, mechanical, and compliance standards.

Key Parameters

Manufacturer Part Number	Manufacturer	Category	Packaging	Description	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed	Current - Reverse Leakage @ Vr	Capacitance @ Vr, F	Mounting Type	Package / Case	Supplier Device Package	Operating Temperature - Junction	RoHS Status	Moisture Sensitivity Level (MSL)	REACH Status	Product Status
SS12P2LHM3_A/I	Vishay General Semiconductor - Diodes Division	Diodes, Rectifiers	Tape & Reel (TR)	Diode Schottky 20V 12A TO277A	20 V	12A	560 mV @ 12 A	Fast Recovery ≤ 500ns, > 200mA (Io)	1 mA @ 20 V	930pF @ 4V, 1MHz	Surface Mount	TO-277, 3-PowerDFN	TO-277A (SMPC)	-55°C ~ 150°C	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected	Active

Substitute Part Grouping Explanation

Substitute parts for the SS12P2LHM3_A/I are selected strictly based on matching the following key parameters: Schottky technology, maximum reverse voltage (20V), average rectified current (12A), maximum forward voltage (560 mV at 12A), reverse leakage current (1 mA at 20V), package type (TO-277A (SMPC)), surface-mount capability, capacitance rating, operating temperature range, RoHS3 compliance, moisture sensitivity (MSL 1), and active product status. Only substitutes explicitly provided which conform to these parameters are listed.

Parameter Comparison

Parameter	SS12P2LHM3_A/I	SS12P2L-M3/86A
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers
Packaging	Tape & Reel (TR)	Tape & Reel (TR)
Description	Diode Schottky 20V 12A TO277A	Diode Schottky 20V 12A TO277A
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	20 V	20 V
Current - Average Rectified (Io)	12A	12A
Voltage - Forward (Vf) (Max) @ If	560 mV @ 12 A	560 mV @ 12 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 20 V	1 mA @ 20 V
Capacitance @ Vr, F	930pF @ 4V, 1MHz	930pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)	TO-277A (SMPC)
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active

Engineering Selection Recommendations

Both SS12P2LHM3_A/I and SS12P2L-M3/86A are active, RoHS3 compliant diodes in the TO-277A (SMPC) package with identical electrical and mechanical parameters as provided. Both fulfill REACH requirements and have Moisture Sensitivity Level 1 (unlimited). Selection between these based on provided data can be made solely on inventory and availability.

Frequently Asked Questions (FAQ)

Q1: What criteria are used for selecting substitute parts in the Schottky rectifier diode category?
A1: Substitutes are chosen based on identical Schottky technology, voltage and current ratings, forward voltage drop, leakage current, case/package, mounting type, and compliance certifications as explicitly listed in the provided parameter set.

Q2: Are the SS12P2LHM3_A/I and SS12P2L-M3/86A packages physically identical?
A2: Both parts are supplied in the TO-277A (SMPC) surface-mount package as specified.

Q3: Is there any difference in compliance between the main and substitute part?
A3: Both parts are ROHS3 compliant, have Moisture Sensitivity Level 1 (unlimited), and are REACH unaffected.

Q4: Are there differences in voltage, current, or performance characteristics?
A4: All key electrical and thermal parameters provided are identical between the SS12P2LHM3_A/I and SS12P2L-M3/86A.

Q5: Can the substitute part be used without redesign?
A5: Based strictly on supplied parameters, both parts share all electrical ratings, package type, and compliance status.

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