ES3FHE3_A/I Equivalent & Substitute Parts Reference

Part Overview

The ES3FHE3_A/I from Vishay General Semiconductor - Diodes Division is a general-purpose, automotive-grade fast recovery rectifier diode rated for 300 V, 3 A, in a DO-214AB (SMC) surface-mount package. Its main features are a low forward voltage, fast reverse recovery, and robust qualification for demanding environments. The part is designated as active with automotive qualification (AEC-Q101), RoHS3 compliance, and an unlimited moisture sensitivity level. Sourcing alternative models is required to ensure uninterrupted production, inventory flexibility, and assurance of long-term supply.

Key Parameters

Parameter	Value
Manufacturer Part Number	ES3FHE3_A/I
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	300 V
Current - Average Rectified (Io)	3A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 3 A
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	10 µA @ 300 V
Capacitance @ Vr, F	30pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-214AB (SMC)
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
Qualification	AEC-Q101
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the ES3FHE3_A/I is determined by strict parametric equivalency in all critical areas: voltage rating, current rating, forward voltage drop, reverse recovery characteristics, reverse leakage, capacitance, mounting configuration, package type, operating temperature range, RoHS compliance, moisture sensitivity, and AEC-Q101 automotive qualification. All listed substitutes are required to match the original’s values in these parameters to qualify as direct replacements.

Parameter Comparison

Parameter	ES3FHE3_A/I	ES3F-E3/57T	ES3F-E3/9AT
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	300 V	300 V	300 V
Current - Average Rectified (Io)	3A	3A	3A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 3 A	1.1 V @ 3 A	1.1 V @ 3 A
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	10 µA @ 300 V	10 µA @ 300 V	10 µA @ 300 V
Capacitance @ Vr, F	30pF @ 4V, 1MHz	30pF @ 4V, 1MHz	30pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AB (SMC)	DO-214AB (SMC)	DO-214AB (SMC)
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Qualification	AEC-Q101	AEC-Q101	AEC-Q101
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All substitute parts ES3F-E3/57T and ES3F-E3/9AT are active, ROHS3 compliant, AEC-Q101 qualified, and have an unlimited moisture sensitivity level. Based on the provided parametric data and compliance certifications, these parts fulfill all matching criteria for substitution with ES3FHE3_A/I.

Frequently Asked Questions (FAQ)

Q1: What parameters are critical when substituting a diode rectifier in the DO-214AB (SMC) package?
A1: Key parameters include maximum reverse voltage (Vr), average rectified current (Io), forward voltage (Vf) at rated current, reverse recovery time (trr), reverse leakage current, capacitance, mounting type, package, operating temperature range, RoHS status, moisture sensitivity level, and AEC-Q101 qualification.

Q2: Are all listed substitutes form-fit-function compatible with ES3FHE3_A/I?
A2: Yes, all substitutes listed match the electrical and mechanical parameters, package, and regulatory requirements specified for ES3FHE3_A/I.

Q3: What ensures automotive suitability among the substitute diode rectifiers?
A3: Automotive qualification is indicated by the AEC-Q101 standard. All listed equivalents possess AEC-Q101 qualification, ensuring suitability for automotive applications.

Q4: How important is matching the moisture sensitivity level (MSL) for surface mount rectifiers?
A4: Matching MSL is essential for ensuring proper handling and assembly in surface mount processes. All listed parts have MSL 1 (unlimited), identical to the original.

Q5: Are there any differences in RoHS or REACH compliance among the substitutes?
A5: All compared parts are ROHS3 compliant and REACH unaffected as provided in the data.

Q6: Can the substitute parts be used without any layout changes?
A6: All variants use the same DO-214AB (SMC) package, supporting drop-in mechanical compatibility based on the provided information.

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