ES2A-E3/5BT Equivalent & Substitute Parts

Part Overview

The ES2A-E3/5BT is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 50 V DC reverse voltage with a 2 A average rectified current rating and features fast recovery characteristics with a 30 ns reverse recovery time. The device is housed in a DO-214AA (SMB) package and is classified as an active product with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for this diode category. Alternative components may be required due to inventory availability, lead time considerations, or specific application performance requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 2 A	mV
Reverse Recovery Time (trr)	30	ns
Current - Reverse Leakage @ Vr	10	µA @ 50 V
Package / Case	DO-214AA, SMB	-
Operating Temperature - Junction	-50 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the ES2A-E3/5BT are classified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package compatibility: DO-214AA (SMB) surface mount form factor
Voltage rating: Minimum 50 V DC reverse voltage capability
Current rating: Minimum 2 A average rectified current
Recovery speed: Fast recovery characteristics (≤500 ns for currents >200 mA)
Operating temperature range: -50°C to 150°C junction temperature
Compliance: ROHS3 compliant, MSL 1 (Unlimited)

Substitution Logic: Parts are considered equivalent when they maintain or exceed the primary electrical specifications while maintaining mechanical compatibility. Forward voltage characteristics, reverse leakage current, and reverse recovery time are secondary parameters that may vary within acceptable application tolerances. Technology differences (Standard vs. Schottky) are permitted when voltage and current ratings are maintained or exceeded.

Parameter Comparison

Parameter	ES2A-E3/5BT (Main)	STPS3L60U	ES2B	S2A
Manufacturer	Vishay General Semiconductor	STMicroelectronics	YAGEO	Diotec Semiconductor
Technology	Standard	Schottky	Not Specified	Standard
Voltage - DC Reverse (Vr) (Max)	50 V	60 V	100 V	50 V
Current - Average Rectified (Io)	2 A	3 A	Not Specified	2 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 2 A	620 mV @ 3 A	950 mV	1.15 V @ 2 A
Reverse Recovery Time (trr)	30 ns	≤500 ns	Not Specified	1.5 µs
Current - Reverse Leakage @ Vr	10 µA @ 50 V	150 µA @ 60 V	Not Specified	5 µA @ 50 V
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA	DO-214AA, SMB
Operating Temperature - Junction	-50 to 150°C	150°C (Max)	Not Specified	-50 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable

Engineering Selection Recommendations

STPS3L60U (STMicroelectronics): This Schottky diode substitute exceeds the primary electrical specifications of the ES2A-E3/5BT with a 60 V reverse voltage rating and 3 A current capacity. The lower forward voltage (620 mV @ 3 A) provides improved efficiency characteristics. The device maintains fast recovery performance and ROHS3 compliance with unlimited MSL rating. The higher reverse leakage current (150 µA @ 60 V) is acceptable for general-purpose rectification applications. This substitute is suitable for applications where enhanced current handling and voltage margin are beneficial.

ES2B (YAGEO): This manufacturer-recommended substitute is a general-purpose rectifier in DO-214AA package format with ROHS3 compliance and unlimited MSL rating. The 100 V reverse voltage rating provides increased voltage margin over the main part. Complete electrical parameter specifications are not provided in the available data; therefore, detailed performance comparison is limited to package and compliance characteristics.

S2A (Diotec Semiconductor): This substitute maintains identical voltage (50 V) and current (2 A) ratings as the ES2A-E3/5BT with matching DO-214AA package compatibility and operating temperature range (-50 to 150°C). The device is ROHS3 compliant. The higher forward voltage (1.15 V @ 2 A) and slower recovery time (1.5 µs standard recovery) represent performance trade-offs compared to the main part. This substitute is suitable for applications where exact electrical matching is prioritized over recovery speed performance.

All substitute parts maintain surface mount DO-214AA (SMB) package compatibility and ROHS3 compliance status, ensuring mechanical and regulatory equivalence with the main component.

Frequently Asked Questions (FAQ)

Q: Can STPS3L60U be used as a direct replacement for ES2A-E3/5BT?

A: Yes. The STPS3L60U meets or exceeds all primary substitution criteria: 60 V reverse voltage (exceeds 50 V requirement), 3 A current rating (exceeds 2 A requirement), fast recovery performance, DO-214AA package compatibility, and ROHS3 compliance. The Schottky technology provides lower forward voltage characteristics. The higher reverse leakage current is within acceptable limits for general-purpose rectification.

Q: What are the key differences between ES2B and the main part ES2A-E3/5BT?

A: Both parts are housed in DO-214AA package format and maintain ROHS3 compliance with unlimited MSL rating. The ES2B features a 100 V reverse voltage rating compared to 50 V for the main part, providing increased voltage margin. Complete electrical parameter data for ES2B is not available in the provided specifications, limiting detailed performance comparison.

Q: Is S2A suitable for high-speed switching applications?

A: The S2A features standard recovery characteristics (>500 ns) with a 1.5 µs reverse recovery time, compared to the fast recovery performance of the ES2A-E3/5BT (30 ns). The S2A is suitable for general-purpose rectification applications where recovery speed is not a critical performance parameter. Applications requiring fast recovery performance should utilize the main part or STPS3L60U substitute.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are housed in DO-214AA (SMB) surface mount packages, ensuring mechanical compatibility with the main part ES2A-E3/5BT. Tape & Reel (TR) and Cut Tape (CT) packaging options may vary by supplier and manufacturer.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All substitute parts listed (STPS3L60U, ES2B, and S2A) are ROHS3 compliant. The main part and STPS3L60U both maintain unlimited MSL rating (MSL 1). S2A has not applicable MSL classification. All parts are classified under ECCN EAR99 and HTSUS codes consistent with general-purpose diode components.

Q: What is the primary reason to select one substitute over another?

A: Selection depends on specific application requirements. STPS3L60U is preferred when enhanced current capacity and voltage margin are beneficial. S2A is selected when exact voltage and current matching is prioritized and recovery speed is not critical. ES2B provides increased voltage rating for applications requiring higher reverse voltage tolerance.

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