S5DHE3_A/I Equivalent & Substitute Parts

Part Overview

The S5DHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount device operates at 200 V DC reverse voltage with 5 A average rectified current in a DO-214AB (SMC) package. The part is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance.

Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, and design flexibility while maintaining electrical and mechanical compatibility within specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 5 A	V
Reverse Recovery Time (trr)	2.5	µs
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Capacitance @ Vr, F	40	pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on electrical parameter alignment with the S5DHE3_A/I:

Parametric Equivalents maintain identical or equivalent electrical specifications across all critical parameters: 200 V reverse voltage, 5 A average rectified current, 1.15 V forward voltage at 5 A, 2.5 µs reverse recovery time, and 10 µA reverse leakage current. These parts are direct functional replacements with identical package and mounting specifications.

Upgrade Substitutes provide equivalent voltage and current ratings with enhanced or alternative performance characteristics. These parts maintain 200 V reverse voltage and 5 A current ratings but may differ in forward voltage, recovery time, or temperature range specifications.

Manufacturer Recommended Alternatives are parts from different manufacturers that meet the 200 V voltage requirement but operate at different current ratings (3 A, 4 A, or 6 A). These parts are suitable for applications where the specified 5 A current rating is not a strict requirement and lower or higher current capacity is acceptable.

The key parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): 200 V
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Current - Average Rectified (Io): 5 A (for parametric equivalents)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [µs/ns]	Ir @ Vr [µA]	Package	Product Status
S5DHE3_A/I	Vishay	200	5	1.15 @ 5A	2.5 µs	10 @ 200V	DO-214AB, SMC	Active
S5D-E3/57T	Vishay	200	5	1.15 @ 5A	2.5 µs	10 @ 200V	DO-214AB, SMC	Active
S5D-E3/9AT	Vishay	200	5	1.15 @ 5A	2.5 µs	10 @ 200V	DO-214AB, SMC	Active
S5DC-13-F	Diodes Incorporated	200	5	1.15 @ 5A	2.5 µs	10 @ 200V	DO-214AB, SMC	Active
S5D V7G	Taiwan Semiconductor Corporation	200	5	1.15 @ 5A	1.5 µs	10 @ 200V	DO-214AB, SMC	Discontinued at DiGi Electronics
SMLJ60S2-TP	Micro Commercial Co	200	6	1.0 @ 6A	2.5 µs	5 @ 200V	DO-214AB, SMC	Not For New Designs
STTH302S	STMicroelectronics	200	3	0.95 @ 3A	35 ns	3 @ 200V	DO-214AB, SMC	Active
STTH3R02S	STMicroelectronics	200	3	1.0 @ 3A	30 ns	3 @ 200V	DO-214AB, SMC	Active
STTH4R02S	STMicroelectronics	200	4	1.05 @ 4A	30 ns	3 @ 200V	DO-214AB, SMC	Active
STTH4R02SY	STMicroelectronics	200	4	1.05 @ 4A	30 ns	3 @ 200V	DO-214AB, SMC	Active

Engineering Selection Recommendations

Direct Parametric Equivalents (Preferred for Pin-Compatible Replacement)

The parts S5D-E3/57T and S5D-E3/9AT are parametric equivalents manufactured by Vishay. Both maintain identical electrical specifications to the S5DHE3_A/I across all critical parameters and are classified as Active product status. These parts are suitable for direct substitution without circuit modification. S5D-E3/57T offers higher inventory availability (15,300 pcs) compared to S5D-E3/9AT (3,200 pcs).

Cross-Manufacturer Equivalent (Alternative Source)

The S5DC-13-F manufactured by Diodes Incorporated provides equivalent electrical performance with 200 V reverse voltage and 5 A current rating. This part is classified as Active and offers 7,971 pcs inventory availability. The packaging is specified as Cut Tape (CT) & Digi-Reel® rather than Tape & Reel (TR), which may affect procurement and handling procedures.

Discontinued Part (Not Recommended for New Designs)

The S5D V7G from Taiwan Semiconductor Corporation is discontinued at DiGi Electronics and should not be selected for new designs. Although it maintains equivalent electrical specifications, its discontinued status limits long-term supply chain viability.

Lower Current Rating Alternatives (Application-Dependent)

The STMicroelectronics STTH series parts (STTH302S, STTH3R02S, STTH4R02S, STTH4R02SY) operate at 200 V reverse voltage but with reduced current ratings of 3 A or 4 A. These parts feature fast recovery technology (30–35 ns) compared to the standard recovery (2.5 µs) of the S5DHE3_A/I. Selection of these parts is appropriate only when circuit design permits operation at reduced current capacity.

Higher Current Rating Alternative (Not Recommended)

The SMLJ60S2-TP from Micro Commercial Co operates at 6 A current rating but is classified as Not For New Designs. This part should not be selected for new product development.

Automotive Grade Consideration

The S5DHE3_A/I carries AEC-Q101 automotive qualification. The STTH4R02SY from STMicroelectronics also carries automotive grade designation and may be considered for automotive applications requiring qualified components, although it operates at 4 A rather than 5 A.

Frequently Asked Questions (FAQ)

Q: Can S5D-E3/57T be used as a direct replacement for S5DHE3_A/I?

A: Yes. The S5D-E3/57T is a parametric equivalent with identical electrical specifications: 200 V reverse voltage, 5 A average rectified current, 1.15 V forward voltage at 5 A, 2.5 µs reverse recovery time, and 10 µA reverse leakage current. Both parts use the DO-214AB (SMC) surface mount package. No circuit modification is required.

Q: What is the difference between S5D-E3/57T and S5D-E3/9AT?

A: Both parts are parametric equivalents with identical electrical specifications. The primary difference is inventory availability: S5D-E3/57T has 15,300 pcs in stock, while S5D-E3/9AT has 3,200 pcs. The part number suffix indicates different packaging or tape configurations from the manufacturer.

Q: Can STTH4R02S replace S5DHE3_A/I in all applications?

A: The STTH4R02S operates at 4 A average rectified current, which is lower than the 5 A rating of S5DHE3_A/I. Substitution is appropriate only if the circuit design permits operation at 4 A current capacity. The STTH4R02S offers faster recovery time (30 ns versus 2.5 µs), which may provide performance benefits in high-frequency switching applications.

Q: Is S5DC-13-F from Diodes Incorporated compatible with S5DHE3_A/I?

A: Yes. The S5DC-13-F maintains equivalent electrical specifications with 200 V reverse voltage and 5 A current rating. Both parts use the DO-214AB (SMC) package. The primary difference is packaging format: S5DC-13-F is supplied in Cut Tape (CT) & Digi-Reel® format rather than Tape & Reel (TR).

Q: Why is S5D V7G not recommended?

A: The S5D V7G is discontinued at DiGi Electronics. Although it maintains equivalent electrical specifications, its discontinued status creates supply chain risk for long-term production requirements. Active product status parts are preferred for new designs.

Q: What does "Not For New Designs" mean for SMLJ60S2-TP?

A: This designation indicates the manufacturer has discontinued active development and support for this part. While the part may still be available in inventory, it should not be selected for new product designs due to limited long-term availability and potential obsolescence.

Q: Can I use a 3 A rated diode (STTH302S) instead of the 5 A rated S5DHE3_A/I?

A: Substitution is appropriate only if circuit analysis confirms that the maximum current requirement does not exceed 3 A. Using a lower-rated component in an application requiring 5 A operation will result in device failure or reduced reliability. Current rating must match or exceed the application requirement.

Q: What is the significance of AEC-Q101 qualification on S5DHE3_A/I?

A: AEC-Q101 is an automotive qualification standard. The S5DHE3_A/I meets automotive reliability and quality requirements. For automotive applications, qualified components are required. The STTH4R02SY also carries automotive grade designation and may be considered as an alternative for automotive designs, subject to current rating compatibility.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed in this reference maintain ROHS3 compliance status, indicating conformance to Restriction of Hazardous Substances regulations.

Q: What is the difference between DO-214AB and SMC package designations?

A: DO-214AB and SMC refer to the same physical package format. DO-214AB is the JEDEC standard designation, while SMC (Surface Mount Component) is the industry common name. Both designations describe an identical surface mount rectifier package with two leads.

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