Equivalent & Substitute Parts for S5AHE3_A/I

Part Overview

The S5AHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 50 V DC reverse voltage and 5 A average rectified current in a surface mount DO-214AB (SMC) package. This component is classified as Active and meets AEC-Q101 automotive qualification standards. Substitute parts are identified based on matching electrical specifications, package compatibility, and compliance certifications to ensure functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.15	V @ 5 A
Reverse Recovery Time (trr)	2.5	µs
Current - Reverse Leakage @ Vr	10	µA @ 50 V
Capacitance @ Vr, F	40	pF @ 4V, 1MHz
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Technology	Standard	—

Substitute Part Grouping Explanation

Substitute parts for the S5AHE3_A/I are classified into three categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical or equivalent electrical specifications across all critical parameters: reverse voltage (50 V), average rectified current (5 A), forward voltage drop (1.15 V @ 5 A), reverse recovery time (2.5 µs), reverse leakage current (10 µA @ 50 V), and package configuration (DO-214AB SMC). These parts are direct functional replacements.

Upgrade Substitutes provide enhanced or extended performance characteristics while maintaining core voltage and current ratings. These parts may feature extended temperature ranges or improved leakage characteristics.

Manufacturer-Recommended Substitutes are designated by the original manufacturer as approved alternatives. These parts may have minor parameter variations but are validated for equivalent circuit performance.

Discontinued Parts remain listed for reference but are no longer available through primary distribution channels.

The following key parameters determine substitution eligibility:

Voltage - DC Reverse (Vr) (Max): 50 V (required)
Current - Average Rectified (Io): 5 A minimum (required)
Package / Case: DO-214AB, SMC (required)
Mounting Type: Surface Mount (required)
Operating Temperature Range: -55°C to 150°C minimum (required)

Parameter Comparison

Parameter	S5AHE3_A/I	S5A-E3/57T	S5AC-13-F	SMLJ60S05-TP	S5A V7G
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	Diodes Incorporated	Micro Commercial Co	Taiwan Semiconductor Corporation
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V	50 V	50 V
Current - Average Rectified (Io)	5 A	5 A	5 A	6 A	5 A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 5 A	1.15 V @ 5 A	1.15 V @ 5 A	1 V @ 6 A	1.15 V @ 5 A
Reverse Recovery Time (trr)	2.5 µs	2.5 µs	Not specified	Not specified	1.5 µs
Current - Reverse Leakage @ Vr	10 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V	5 µA @ 50 V	10 µA @ 50 V
Capacitance @ Vr, F	40 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz	150 pF @ 4V, 1MHz	60 pF @ 4V, 1MHz
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-65 to 150°C	-55 to 150°C	-55 to 150°C
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Active	Not For New Designs	Discontinued at DiGi Electronics
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

S5A-E3/57T (Vishay General Semiconductor) is a parametric equivalent offering identical electrical specifications and operating temperature range. This part is classified as Active and maintains full compliance with ROHS3 and REACH standards. Selection of this substitute is appropriate for direct replacement applications requiring equivalent performance characteristics.

S5AC-13-F (Diodes Incorporated) is an upgrade substitute providing an extended operating temperature range (-65°C to 150°C versus -55°C to 150°C) while maintaining all core electrical specifications. This part is classified as Active and meets ROHS3 compliance. The extended lower temperature limit provides enhanced performance margin in cold-temperature environments.

SMLJ60S05-TP (Micro Commercial Co) is a manufacturer-recommended substitute with elevated average rectified current rating (6 A versus 5 A) and improved reverse leakage characteristics (5 µA versus 10 µA @ 50 V). However, this part is classified as Not For New Designs and should not be selected for new circuit development. Existing designs currently utilizing this part may continue operation, but migration to active alternatives is recommended for long-term supply chain stability.

S5A V7G (Taiwan Semiconductor Corporation) is a parametric equivalent with identical voltage and current ratings. This part features improved reverse recovery time (1.5 µs versus 2.5 µs) and slightly elevated capacitance (60 pF versus 40 pF). However, this part is classified as Discontinued at DiGi Electronics and is not recommended for new designs due to limited availability.

For new designs and ongoing production, S5A-E3/57T is the primary recommended substitute, offering full parametric equivalence and active product status. S5AC-13-F is suitable when extended low-temperature performance is required.

Frequently Asked Questions (FAQ)

Q: Can S5A-E3/57T be used as a direct replacement for S5AHE3_A/I?

A: Yes. S5A-E3/57T is a parametric equivalent with identical voltage rating (50 V), current rating (5 A), forward voltage drop (1.15 V @ 5 A), reverse recovery time (2.5 µs), reverse leakage current (10 µA @ 50 V), and operating temperature range (-55°C to 150°C). Both parts use the DO-214AB SMC package and surface mount configuration. Electrical and mechanical compatibility is complete.

Q: What is the difference between S5AC-13-F and S5AHE3_A/I?

A: S5AC-13-F maintains identical electrical specifications for voltage (50 V), current (5 A), forward voltage (1.15 V @ 5 A), and reverse leakage (10 µA @ 50 V). The primary difference is an extended operating temperature range: S5AC-13-F operates from -65°C to 150°C, while S5AHE3_A/I operates from -55°C to 150°C. Both use DO-214AB SMC packaging. S5AC-13-F is manufactured by Diodes Incorporated rather than Vishay.

Q: Why is SMLJ60S05-TP marked as Not For New Designs?

A: SMLJ60S05-TP is designated Not For New Designs by the manufacturer, indicating that this product line is being phased out and will not receive ongoing support or development. While the part remains functionally compatible with the S5AHE3_A/I for existing applications, new circuit designs should utilize active alternatives such as S5A-E3/57T or S5AC-13-F to ensure long-term component availability and manufacturer support.

Q: Is S5A V7G suitable for new production?

A: No. S5A V7G is classified as Discontinued at DiGi Electronics, indicating that this part is no longer available through primary distribution channels. Although the part offers improved reverse recovery time (1.5 µs versus 2.5 µs), its discontinued status makes it unsuitable for new designs. Use S5A-E3/57T or S5AC-13-F for new applications.

Q: Do all substitute parts use the same package?

A: Yes. All substitute parts listed (S5A-E3/57T, S5AC-13-F, SMLJ60S05-TP, and S5A V7G) use the DO-214AB SMC surface mount package, ensuring mechanical and footprint compatibility with the original S5AHE3_A/I design.

Q: What compliance certifications apply to these substitute parts?

A: All substitute parts are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is rated as 1 (Unlimited) for all parts, indicating no special moisture handling requirements during storage or assembly. The original S5AHE3_A/I carries AEC-Q101 automotive qualification; substitute parts maintain equivalent compliance standards.

Q: Can SMLJ60S05-TP be used in applications requiring exactly 5 A operation?

A: SMLJ60S05-TP is rated for 6 A average rectified current, which exceeds the 5 A requirement of the original S5AHE3_A/I. The part is electrically compatible and will operate safely in circuits designed for 5 A operation. However, the Not For New Designs status makes S5A-E3/57T or S5AC-13-F preferable for new applications.

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