Equivalent & Substitute Parts for RS3DHE3_A/I

Part Overview

The RS3DHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 200 V DC reverse voltage with a 3 A average rectified current rating and is housed in a DO-214AB (SMC) package. The device is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter set. Alternative sources provide equivalent functionality for applications requiring component availability, supply chain flexibility, or inventory management.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max)	1.3	V @ 2.5 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Package / Case	DO-214AB, SMC	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution eligibility for the RS3DHE3_A/I is determined by the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io): 3 A minimum
Package / Case: DO-214AB or SMC equivalent
Mounting Type: Surface Mount

Compliance & Environmental Criteria:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited) or equivalent
REACH Status: REACH Unaffected

Substitute parts are grouped into two categories:

Parametric Equivalents: Parts with identical or superior electrical specifications and identical package designation, sourced from the same manufacturer or alternative qualified manufacturers.

Manufacturer Recommended Equivalents: Parts from alternative manufacturers meeting or exceeding the electrical performance envelope while maintaining mechanical and environmental compliance.

Parameter Comparison

Parameter	RS3DHE3_A/I (Vishay)	RS3D-E3/57T (Vishay)	ER3D-TP (Micro Commercial Co)	ES3D (Diotec)	ES3D-13-F (Diodes Inc)
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2.5 A	1.3 V @ 2.5 A	950 mV @ 3 A	900 mV @ 3 A	900 mV @ 3 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	150 ns	150 ns	35 ns	20 ns	25 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V	10 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	10 µA @ 200 V
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
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-50 to 175°C	-50 to 150°C	-55 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

RS3D-E3/57T (Vishay General Semiconductor - Diodes Division)

This part is a parametric equivalent manufactured by Vishay, the original equipment manufacturer of the RS3DHE3_A/I. Electrical specifications are identical across all measured parameters. The device maintains ROHS3 compliance, REACH Unaffected status, and MSL 1 rating. This substitute is suitable for direct replacement in applications where Vishay sourcing is preferred or required.

ER3D-TP (Micro Commercial Co)

This manufacturer-recommended equivalent meets all voltage and current requirements with superior reverse recovery time performance (35 ns versus 150 ns). Forward voltage is reduced to 950 mV at 3 A, indicating improved efficiency characteristics. Operating temperature range extends to 175°C maximum junction temperature. ROHS3 compliance and REACH Unaffected status are maintained. This substitute is suitable for applications benefiting from faster switching characteristics and extended thermal operating range.

ES3D (Diotec Semiconductor)

This manufacturer-recommended equivalent meets all voltage and current requirements with superior reverse recovery time performance (20 ns versus 150 ns). Forward voltage is reduced to 900 mV at 3 A. Operating temperature range is -50 to 150°C. ROHS3 compliance and REACH Unaffected status are maintained. MSL classification is Not Applicable. This substitute is suitable for applications requiring fastest switching performance and lowest forward voltage drop.

ES3D-13-F (Diodes Incorporated)

This manufacturer-recommended equivalent meets all voltage and current requirements with superior reverse recovery time performance (25 ns versus 150 ns). Forward voltage is reduced to 900 mV at 3 A. Operating temperature range is -55 to 150°C, matching the original part. ROHS3 compliance, REACH Unaffected status, and MSL 1 rating are maintained. This substitute is suitable for applications requiring improved switching speed while maintaining identical thermal specifications.

Frequently Asked Questions (FAQ)

Q: What determines if a diode can substitute for the RS3DHE3_A/I?

A: Substitution eligibility is determined by matching or exceeding the following parameters: 200 V DC reverse voltage rating, 3 A average rectified current, DO-214AB/SMC package format, surface mount mounting type, ROHS3 compliance, and REACH Unaffected status. All listed substitutes meet these criteria.

Q: Are all substitute parts pin-compatible with the RS3DHE3_A/I?

A: Yes. All substitute parts use the DO-214AB (SMC) package, which maintains identical pin configuration and footprint. Surface mount placement and reflow soldering procedures remain unchanged.

Q: What is the difference between the Vishay RS3D-E3/57T and the original RS3DHE3_A/I?

A: The RS3D-E3/57T is electrically identical to the RS3DHE3_A/I. Both are manufactured by Vishay with identical voltage, current, and thermal specifications. The primary difference is packaging designation and inventory availability. The RS3D-E3/57T is suitable for direct replacement.

Q: Why do some substitute parts have lower forward voltage specifications?

A: Forward voltage variation reflects differences in semiconductor processing and doping profiles between manufacturers. Lower forward voltage (900 mV versus 1.3 V at rated current) indicates improved efficiency and reduced power dissipation. This is a beneficial characteristic for thermal management in power conversion applications.

Q: What is the significance of reverse recovery time differences among the substitutes?

A: Reverse recovery time (trr) indicates the speed at which the diode transitions from conducting to blocking state. Faster recovery times (20-35 ns versus 150 ns) reduce switching losses and electromagnetic interference in high-frequency applications. All listed substitutes meet the Fast Recovery classification (≤ 500 ns).

Q: Can the ER3D-TP be used in automotive applications requiring AEC-Q101 qualification?

A: The ER3D-TP meets ROHS3 compliance and REACH Unaffected status. However, the provided specifications do not indicate AEC-Q101 qualification for this part. If automotive qualification is a design requirement, the RS3D-E3/57T or ES3D-13-F are recommended as they maintain compatibility with the original part's qualification status.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Both packaging formats contain identical diode components in DO-214AB packages. Tape & Reel (TR) is supplied on continuous carrier tape for automated assembly equipment. Cut Tape (CT) and Digi-Reel are supplied in smaller quantities on cut tape segments. Electrical performance is identical; packaging format selection depends on production volume and assembly equipment compatibility.

Q: Are all substitute parts available in equivalent inventory quantities?

A: Inventory availability varies by manufacturer and distributor. The ES3D (Diotec) shows the highest inventory level at 131,200 pieces. The RS3D-E3/57T (Vishay) shows 15,200 pieces. Specific availability should be confirmed with component distributors for production requirements.

Q: What is MSL 1 (Unlimited) and why is it important?

A: Moisture Sensitivity Level (MSL) 1 indicates the component can be stored indefinitely without moisture bake-out requirements prior to soldering. This simplifies supply chain handling and reduces production constraints. The ES3D lists MSL as Not Applicable, indicating alternative moisture management specifications apply.

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