ES1AHE3_A/I Equivalent & Substitute Parts

Part Overview

The ES1AHE3_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 1 A average rectified current and features fast recovery characteristics with a 25 ns reverse recovery time. The device is packaged in DO-214AC (SMA) format and is qualified to AEC-Q101 automotive standards. The part is currently active and in production. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support alternative packaging or sourcing requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	920 mV @ 1 A	mV
Reverse Recovery Time (trr)	25	ns
Current - Reverse Leakage @ Vr	5 µA @ 50 V	µA
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	pF
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the ES1AHE3_A/I is determined by electrical parameter equivalence and mechanical compatibility. All substitute parts must satisfy the following criteria:

Critical Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 50 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 920 mV @ 1 A
Reverse Recovery Time (trr): 25 ns
Current - Reverse Leakage @ Vr: 5 µA @ 50 V
Capacitance @ Vr, F: 10 pF @ 4V, 1MHz

Mechanical Compatibility:

Package / Case: DO-214AC, SMA
Mounting Type: Surface Mount
Operating Temperature - Junction: -55°C to 150°C

Compliance & Qualification:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped by manufacturer and packaging configuration. Packaging variations (Tape & Reel, Cut Tape & Digi-Reel®) do not affect electrical performance and are interchangeable at the component level. All identified substitutes maintain identical electrical specifications and thermal operating range.

Parameter Comparison

Parameter	ES1AHE3_A/I (Vishay)	ES1A-E3/61T (Vishay)	ES1A-M3/61T (Vishay)	ES1AHE3_A/H (Vishay)	ES1A (YAGEO)	ES1A-13-F (Diodes Inc.)
Manufacturer	Vishay	Vishay	Vishay	Vishay	YAGEO	Diodes Incorporated
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V	50 V	50 V	50 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	920 mV @ 1 A	920 mV @ 1 A	920 mV @ 1 A	920 mV @ 1 A	0.95 V	920 mV @ 1 A
Reverse Recovery Time (trr)	25 ns	25 ns	25 ns	25 ns	—	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 50 V	5 µA @ 50 V	5 µA @ 50 V	5 µA @ 50 V	—	5 µA @ 50 V
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	—	10 pF @ 4V, 1MHz
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC	DO-214AC, SMA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	—	-55 to 150°C
Technology	Standard	Standard	Standard	Standard	Standard	Standard
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
Automotive Grade / AEC-Q101	Yes	—	—	Yes	—	—

Engineering Selection Recommendations

Vishay ES1AHE3_A/I (Primary Part): The ES1AHE3_A/I is the primary reference part. It carries AEC-Q101 automotive qualification and is supplied in Tape & Reel packaging. This part is suitable for automotive and industrial applications requiring formal qualification documentation.

Vishay ES1A-E3/61T: This substitute provides identical electrical specifications with Cut Tape & Digi-Reel® packaging. It is suitable for applications where alternative packaging formats are acceptable. No automotive qualification is specified for this variant.

Vishay ES1A-M3/61T: This substitute maintains identical electrical specifications and is supplied in Tape & Reel format. It is suitable for high-volume production environments. No automotive qualification is specified for this variant.

Vishay ES1AHE3_A/H: This substitute carries AEC-Q101 automotive qualification matching the primary part. It is supplied in Cut Tape & Digi-Reel® packaging. This part is suitable for automotive applications where alternative packaging formats are acceptable.

YAGEO ES1A: This substitute is supplied by YAGEO and maintains the core electrical specifications. Detailed electrical parameters (reverse recovery time, reverse leakage current, and capacitance) are not specified in available documentation. This part is suitable for general-purpose applications where complete parameter documentation is available through the manufacturer.

Diodes Incorporated ES1A-13-F: This substitute is supplied by Diodes Incorporated and maintains identical electrical specifications. It is supplied in Tape & Reel format. No automotive qualification is specified for this part.

All substitute parts are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the primary part's environmental compliance profile.

Frequently Asked Questions (FAQ)

Q: Can ES1A-E3/61T be used as a direct replacement for ES1AHE3_A/I?

A: Yes. The ES1A-E3/61T is electrically equivalent to the ES1AHE3_A/I. Both parts share identical electrical specifications including 50 V reverse voltage, 1 A average rectified current, 920 mV forward voltage, 25 ns reverse recovery time, and identical thermal operating range. The primary difference is packaging format: ES1A-E3/61T is supplied in Cut Tape & Digi-Reel® format while ES1AHE3_A/I is supplied in Tape & Reel format. At the component level, these packaging differences do not affect electrical performance or mechanical compatibility in surface mount applications.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel® packaging?

A: Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® are supply and handling formats that do not affect component electrical or mechanical specifications. Tape & Reel is continuous reel packaging suitable for automated pick-and-place equipment. Cut Tape & Digi-Reel® provides individual tape segments or alternative reel formats. Both formats contain the same DO-214AC (SMA) surface mount package and are compatible with standard PCB assembly processes.

Q: Is the YAGEO ES1A suitable for automotive applications?

A: The YAGEO ES1A maintains the core electrical specifications of the ES1AHE3_A/I. However, automotive qualification status and detailed electrical parameter documentation are not specified for the YAGEO part. If AEC-Q101 qualification is a design requirement, the Vishay ES1AHE3_A/I or Vishay ES1AHE3_A/H are the appropriate selections.

Q: Can I substitute the Diodes Incorporated ES1A-13-F in an automotive application?

A: The Diodes Incorporated ES1A-13-F is electrically equivalent to the ES1AHE3_A/I and maintains identical electrical specifications. However, AEC-Q101 automotive qualification is not specified for this part. If automotive qualification is required, use the Vishay ES1AHE3_A/I or Vishay ES1AHE3_A/H.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry RoHS3 compliance status, matching the primary ES1AHE3_A/I part. All parts also carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: What are the critical electrical parameters that determine substitution eligibility?

A: Substitution eligibility is determined by the following electrical parameters: Voltage - DC Reverse (Vr) (Max) of 50 V, Current - Average Rectified (Io) of 1 A, Voltage - Forward (Vf) (Max) @ If of 920 mV @ 1 A, Reverse Recovery Time (trr) of 25 ns, Current - Reverse Leakage @ Vr of 5 µA @ 50 V, and Capacitance @ Vr, F of 10 pF @ 4V, 1MHz. All substitute parts must match these specifications exactly. Additionally, the package must be DO-214AC (SMA) surface mount format with operating temperature range of -55°C to 150°C.

Q: Can I use ES1A-13-F in place of ES1AHE3_A/I in high-temperature applications?

A: Yes. The ES1A-13-F maintains the same operating temperature range of -55°C to 150°C junction temperature as the ES1AHE3_A/I. Both parts are rated for identical thermal operating conditions.

Q: What is the inventory status of substitute parts?

A: Inventory levels vary by substitute part and supplier. ES1A-E3/61T has 75,150 pieces in stock, ES1A-M3/61T has 12,650 pieces, ES1AHE3_A/H has 4,145 pieces, YAGEO ES1A has 80,200 pieces, and Diodes Incorporated ES1A-13-F has 70,300 pieces. The primary ES1AHE3_A/I has 894 pieces in stock. Inventory status is subject to change and should be confirmed with the supplier for current availability.

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