ES3AHE3_A/I Equivalent & Substitute Parts

Part Overview

The ES3AHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 50 V DC reverse voltage with 3 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.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter range. Alternative sources and packaging configurations may be required due to inventory availability, supply chain considerations, or specific application requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 3 A	mV
Reverse Recovery Time (trr)	30	ns
Current - Reverse Leakage @ Vr	10	µA @ 50 V
Package / Case	DO-214AB, SMC	—
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 ES3AHE3_A/I is determined by matching the following critical electrical and mechanical parameters:

Electrical Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 50 V
Current - Average Rectified (Io): 3 A
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Secondary Compatibility Parameters:

Voltage - Forward (Vf) (Max) @ If: 900 mV @ 3 A or equivalent
Current - Reverse Leakage @ Vr: 10 µA @ 50 V or lower
Operating Temperature - Junction: -55°C to 150°C or wider range

Substitute parts are grouped into two categories: Vishay parametric equivalents (ES3A-E3/57T, ES3A-E3/9AT, ES3A-13-F) and cross-manufacturer alternatives (S3A-13-F from Diodes Incorporated). All identified substitutes maintain the core electrical specifications and surface mount DO-214AB package configuration.

Parameter Comparison

Parameter	ES3AHE3_A/I	ES3A-E3/57T	ES3A-E3/9AT	S3A-13-F	ES3A-13-F
Manufacturer	Vishay	Vishay	Vishay	Diodes Inc.	Diodes Inc.
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V	50 V	50 V
Current - Average Rectified (Io)	3 A	3 A	3 A	3 A	3 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 3 A	900 mV @ 3 A	900 mV @ 3 A	1.15 V @ 3 A	900 mV @ 3 A
Speed	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Fast Recovery ≤ 500ns	Standard Recovery >500ns	Fast Recovery ≤ 500ns
Reverse Recovery Time (trr)	30 ns	30 ns	30 ns	—	25 ns
Current - Reverse Leakage @ Vr	10 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V
Capacitance @ Vr, F	45 pF @ 4V, 1MHz	45 pF @ 4V, 1MHz	45 pF @ 4V, 1MHz	40 pF @ 4V, 1MHz	45 pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-65 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)	1 (Unlimited)	1 (Unlimited)
Packaging Type	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Vishay Parametric Equivalents (ES3A-E3/57T, ES3A-E3/9AT, ES3A-13-F):

These parts maintain identical electrical specifications to the ES3AHE3_A/I, including 50 V reverse voltage, 3 A average rectified current, 900 mV forward voltage at 3 A, and fast recovery characteristics with 30 ns reverse recovery time. All three parts are ROHS3 compliant with MSL 1 rating and operate across the -55°C to 150°C junction temperature range. Selection among these Vishay equivalents is based on packaging configuration (Tape & Reel versus Cut Tape) and current inventory availability.

Cross-Manufacturer Alternative (S3A-13-F from Diodes Incorporated):

The S3A-13-F maintains the core voltage and current specifications (50 V, 3 A) with identical reverse leakage current (10 µA @ 50 V) and package configuration (DO-214AB, SMC). This part differs in forward voltage specification (1.15 V @ 3 A versus 900 mV) and recovery speed classification (Standard Recovery >500ns versus Fast Recovery ≤500ns). The S3A-13-F operates across an extended temperature range (-65°C to 150°C) and is ROHS3 compliant with MSL 1 rating. Selection of this alternative is appropriate when forward voltage and recovery speed differences are acceptable for the application.

Product Status and Compliance:

All identified substitute parts maintain Active product status with ROHS3 compliance and REACH Unaffected designation. Inventory availability varies across the substitute options, with S3A-13-F offering the highest stock level (15,200 pcs) and ES3A-E3/57T providing 5,250 pcs.

Frequently Asked Questions (FAQ)

Q: Can ES3A-E3/57T, ES3A-E3/9AT, and ES3A-13-F be used interchangeably with ES3AHE3_A/I?

A: Yes. These Vishay parametric equivalents maintain identical electrical specifications including 50 V reverse voltage, 3 A average rectified current, 900 mV forward voltage at 3 A, and 30 ns reverse recovery time. All operate within the -55°C to 150°C junction temperature range and use the DO-214AB SMC package. Differences exist only in packaging format (Tape & Reel versus Cut Tape & Digi-Reel®) and inventory availability.

Q: What are the key differences between the Vishay ES3A series and the Diodes Incorporated S3A-13-F?

A: The primary differences are forward voltage specification and recovery speed. The Vishay ES3AHE3_A/I specifies 900 mV forward voltage at 3 A with fast recovery (≤500ns, 30 ns trr), while the S3A-13-F specifies 1.15 V forward voltage at 3 A with standard recovery (>500ns). Both maintain 50 V reverse voltage, 3 A current rating, and DO-214AB SMC package. The S3A-13-F offers an extended operating temperature range (-65°C to 150°C).

Q: Is the S3A-13-F suitable for applications requiring fast recovery characteristics?

A: No. The S3A-13-F is classified as Standard Recovery (>500ns) compared to the ES3AHE3_A/I Fast Recovery (≤500ns, 30 ns trr) specification. Applications requiring fast recovery performance should use the Vishay parametric equivalents (ES3A-E3/57T, ES3A-E3/9AT, or ES3A-13-F) which maintain the 30 ns reverse recovery time.

Q: Are all substitute parts available in Tape & Reel packaging?

A: ES3A-E3/57T, ES3A-E3/9AT, and S3A-13-F are available in Tape & Reel (TR) packaging. ES3A-13-F is supplied in Cut Tape (CT) & Digi-Reel® format. Packaging selection depends on assembly equipment compatibility and procurement requirements.

Q: Do all substitute parts meet automotive qualification requirements?

A: The ES3AHE3_A/I carries AEC-Q101 automotive qualification. The substitute parts ES3A-E3/57T, ES3A-E3/9AT, and ES3A-13-F are listed as Vishay products with Active status and ROHS3 compliance. The S3A-13-F from Diodes Incorporated is also ROHS3 compliant with Active status. Specific automotive qualification details for substitute parts should be confirmed through manufacturer datasheets.

Q: What is the significance of the 45 pF versus 40 pF capacitance difference?

A: The capacitance specification at 4 V and 1 MHz is 45 pF for the ES3AHE3_A/I and Vishay equivalents, and 40 pF for the S3A-13-F. This 5 pF difference is within typical component tolerance and does not affect functional compatibility in standard rectifier applications. Applications with specific capacitance requirements should reference detailed circuit analysis.

Q: Can ES3A-13-F from Diodes Incorporated be used as a direct replacement for ES3AHE3_A/I?

A: Yes, with application-specific considerations. The ES3A-13-F maintains identical 50 V reverse voltage, 3 A current rating, 900 mV forward voltage at 3 A, and fast recovery characteristics (25 ns trr). Both use DO-214AB SMC packaging. The primary difference is the manufacturer (Diodes Incorporated versus Vishay). Inventory availability for ES3A-13-F is 10,300 pcs in Cut Tape & Digi-Reel® format.

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