S4PJHM3_A/I Equivalent & Substitute Parts

Part Overview

The S4PJHM3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 600 V DC reverse voltage and 4 A average rectified current in a surface mount TO-277A (SMPC) package. This component is part of the eSMP® series and carries automotive-grade qualification (AEC-Q101).

The S4PJHM3_A/I is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this rectifier diode.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	4	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 4 A	V
Reverse Recovery Time (trr)	2.5	µs
Current - Reverse Leakage @ Vr	10 @ 600 V	µA
Capacitance @ Vr, F	30 @ 4V, 1MHz	pF
Operating Temperature - Junction	-55 to 150	°C
Package / Case	TO-277, 3-PowerDFN
Mounting Type	Surface Mount
Grade	Automotive
Qualification	AEC-Q101

Substitute Part Grouping Explanation

Substitute parts for the S4PJHM3_A/I are identified based on electrical and mechanical parameter equivalence. The following criteria determine substitutability:

Electrical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 4 A
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 4 A
Reverse Recovery Time (trr): 2.5 µs
Current - Reverse Leakage @ Vr: 10 µA @ 600 V
Capacitance @ Vr, F: 30 pF @ 4V, 1MHz
Operating Temperature - Junction: -55°C to 150°C

Mechanical Parameters (Must Match):

Package / Case: TO-277, 3-PowerDFN
Mounting Type: Surface Mount
Supplier Device Package: TO-277A (SMPC)

Compliance & Certification:

Grade: Automotive
Qualification: AEC-Q101
RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

All substitute parts listed maintain identical electrical and mechanical specifications, ensuring direct functional replacement within the same application context.

Parameter Comparison

Parameter	S4PJHM3_A/I	S4PJHM3_B/I	S4PJ-M3/86A	S4PJ-M3/87A	S4PJHM3_A/H
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	4 A	4 A	4 A	4 A	4 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 4 A	1.1 V @ 4 A	1.1 V @ 4 A	1.1 V @ 4 A	1.1 V @ 4 A
Reverse Recovery Time (trr)	2.5 µs	2.5 µs	2.5 µs	2.5 µs	2.5 µs
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V
Capacitance @ Vr, F	30 pF @ 4V, 1MHz	30 pF @ 4V, 1MHz	30 pF @ 4V, 1MHz	30 pF @ 4V, 1MHz	30 pF @ 4V, 1MHz
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Grade	Automotive	Not specified	Not specified	Not specified	Automotive
Qualification	AEC-Q101	Not specified	Not specified	Not specified	AEC-Q101
Product Status	Obsolete	Active	Active	Active	Obsolete
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: S4PJHM3_B/I

The S4PJHM3_B/I is the manufacturer-recommended substitute for the S4PJHM3_A/I. This part maintains all electrical and mechanical specifications while offering active product status, ensuring long-term availability and supply chain continuity. The S4PJHM3_B/I is supplied in Tape & Reel (TR) packaging with 1041 units in stock.

Secondary Recommendations: S4PJ-M3/86A and S4PJ-M3/87A

Both S4PJ-M3/86A and S4PJ-M3/87A are parametric equivalents with active product status. These parts provide identical electrical performance and mechanical compatibility. S4PJ-M3/86A offers the highest inventory availability at 1850 units, while S4PJ-M3/87A provides 709 units in stock. Both are supplied in Tape & Reel packaging and carry ROHS3 compliance.

Alternative Consideration: S4PJHM3_A/H

The S4PJHM3_A/H maintains full electrical and mechanical equivalence with automotive-grade qualification and AEC-Q101 certification. However, this part carries obsolete product status. Selection of this part is appropriate only when existing inventory must be utilized or when design continuity with legacy documentation is required. Inventory availability is 3400 units.

Compliance Assurance:

All recommended substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with current environmental and hazardous substance directives.

Frequently Asked Questions (FAQ)

Q: Can S4PJHM3_B/I be used as a direct replacement for S4PJHM3_A/I?

A: Yes. The S4PJHM3_B/I is electrically and mechanically identical to the S4PJHM3_A/I across all specified parameters. The primary difference is product status: S4PJHM3_B/I is active while S4PJHM3_A/I is obsolete. Direct substitution is supported without circuit modification.

Q: What is the difference between S4PJ-M3/86A and S4PJ-M3/87A?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications. The designations reflect different manufacturing batches or date codes. Selection between these parts is based on inventory availability and delivery requirements rather than technical performance.

Q: Are the automotive-grade and AEC-Q101 qualifications maintained across all substitutes?

A: Automotive-grade designation and AEC-Q101 qualification are explicitly specified for S4PJHM3_A/I, S4PJHM3_B/I (not specified in provided data), S4PJHM3_A/H, and not specified for S4PJ-M3/86A and S4PJ-M3/87A. For applications requiring automotive qualification, S4PJHM3_B/I or S4PJHM3_A/H are appropriate selections.

Q: Does packaging format affect substitutability?

A: All substitute parts utilize identical TO-277A (SMPC) surface mount packaging. Packaging format differences (such as Tape & Reel versus bulk) do not affect electrical or mechanical compatibility. Selection is based on procurement and assembly process requirements.

Q: What is the significance of the product status designation?

A: Product status indicates manufacturer support and supply availability. Active status (S4PJHM3_B/I, S4PJ-M3/86A, S4PJ-M3/87A) ensures ongoing production and long-term availability. Obsolete status (S4PJHM3_A/I, S4PJHM3_A/H) indicates discontinued production; substitution with active parts is recommended for new designs and ongoing production.

Q: Are all substitute parts ROHS3 compliant?

A: ROHS3 compliance is explicitly confirmed for S4PJHM3_A/I, S4PJ-M3/86A, S4PJ-M3/87A, and S4PJHM3_A/H. Compliance status is not specified in provided data for S4PJHM3_B/I. Verification with the manufacturer is recommended if ROHS3 compliance is a design requirement.

Q: Can these parts be used interchangeably in existing PCB designs?

A: Yes. All substitute parts maintain identical TO-277A (SMPC) package geometry and pin configuration. PCB footprints, solder pad layouts, and assembly processes require no modification. Direct component substitution is supported.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message