ES3D Equivalent & Substitute Parts

Part Overview

The ES3D is a general-purpose rectifier diode rated for 200 V DC reverse voltage and 3 A average rectified current in a surface mount SMC (DO-214AB) package. Manufactured by onsemi, this diode features fast recovery characteristics with a reverse recovery time of 20 ns and forward voltage of 950 mV at 3 A. The ES3D is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product portfolio. Identifying equivalent and substitute parts is necessary for applications requiring continued supply, design updates, or alternative sourcing options while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 3 A	mV
Reverse Recovery Time (trr)	20	ns
Current - Reverse Leakage @ Vr	10	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	DO-214AB, SMC	—
Operating Temperature - Junction	-50°C ~ 150°C	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the ES3D are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Mandatory Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 3 A
Package / Case: DO-214AB, SMC
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max) @ If: 875 mV to 1000 mV @ 3 A (lower forward voltage indicates improved efficiency)
Reverse Recovery Time (trr): 20 ns to 50 ns (faster recovery preferred but not mandatory)
Current - Reverse Leakage @ Vr: 1 µA to 10 µA @ 200 V (lower leakage preferred)
Operating Temperature - Junction: -50°C to -65°C minimum; 150°C to 175°C maximum (wider range acceptable)

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Unaffected or REACH Compliant

Substitute parts that meet all mandatory parameters and maintain compliance certifications are classified as direct or functional equivalents. Parts with identical electrical specifications from different manufacturers are listed as direct equivalents. Parts with improved performance characteristics (lower forward voltage, faster recovery time, lower leakage current) within the acceptable variation range are listed as similar substitutes.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ 3A [mV]	trr [ns]	Ir @ 200V [µA]	Tj (Min~Max) [°C]	Product Status
ES3D	onsemi	200	3	950	20	10	-50 ~ 150	Not For New Designs
ES3D-13-F	Diodes Incorporated	200	3	900	25	10	-55 ~ 150	Active
ES3D-E3/57T	Vishay General Semiconductor - Diodes Division	200	3	900	30	10	-55 ~ 150	Active
MURS320T3G	onsemi	200	3	875	35	5	-65 ~ 175	Active
MURS320-13-F	Diodes Incorporated	200	3	875	25	5	-65 ~ 175	Active
CSFC303-G	Comchip Technology	200	3	950	35	5	-40 ~ 150	Active
CURC303-G	Comchip Technology	200	3	1000	50	5	-40 ~ 150	Active
ER3D-TP	Micro Commercial Co	200	3	950	35	5	-50 ~ 175	Active
ER3D-TP-HF	Micro Commercial Co	200	3	950	35	5	-50 ~ 175	Active
ER3D_R1_00001	Panjit International Inc.	200	3	950	35	1	-55 ~ 150	Active

Engineering Selection Recommendations

Direct Equivalents (Recommended Primary Substitutes):

ES3D-13-F (Diodes Incorporated) and ES3D-E3/57T (Vishay General Semiconductor - Diodes Division) are direct functional equivalents to the ES3D. Both parts maintain the 200 V / 3 A electrical specification, DO-214AB SMC package, and fast recovery characteristics. Both are classified as Active products, ensuring continued availability and supply chain stability. ES3D-13-F offers a lower forward voltage (900 mV vs. 950 mV), providing improved efficiency. ES3D-E3/57T provides an extended operating temperature range to -55°C. Both parts are ROHS3 Compliant with MSL 1 (Unlimited) rating.

Active Substitutes with Enhanced Performance:

MURS320T3G and MURS320-13-F (both 200 V / 3 A rated) provide superior performance characteristics compared to the ES3D. Both feature reduced forward voltage (875 mV), lower reverse leakage current (5 µA vs. 10 µA), and extended operating temperature range (-65°C to 175°C). MURS320-13-F additionally offers faster reverse recovery time (25 ns vs. 20 ns in the original ES3D). These parts are suitable for applications requiring improved thermal performance or extended temperature operation.

Alternative Substitutes:

ER3D-TP (Micro Commercial Co) and ER3D_R1_00001 (Panjit International Inc.) provide equivalent 200 V / 3 A specifications with fast recovery characteristics. ER3D_R1_00001 offers exceptionally low reverse leakage current (1 µA @ 200 V), beneficial for low-power applications. CSFC303-G (Comchip Technology) provides equivalent specifications with active product status. CURC303-G (Comchip Technology) is suitable where slightly higher forward voltage (1000 mV) is acceptable.

Compliance and Availability:

All recommended substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) rating, ensuring compatibility with modern manufacturing processes and storage requirements. All parts are classified as Active products with confirmed inventory availability, eliminating obsolescence risk associated with the ES3D's "Not For New Designs" status.

Frequently Asked Questions (FAQ)

Q: Can MURS480ET3G be used as a substitute for ES3D?

A: No. MURS480ET3G is rated for 800 V DC reverse voltage and 4 A average rectified current. While it shares the DO-214AB SMC package and fast recovery characteristics, the higher voltage and current ratings make it unsuitable as a direct substitute. MURS480ET3G is intended for different application requirements and would introduce unnecessary cost and performance mismatch.

Q: What is the primary difference between ES3D-13-F and ES3D-E3/57T?

A: Both parts are direct equivalents with identical 200 V / 3 A specifications and DO-214AB SMC packaging. ES3D-13-F (Diodes Incorporated) features 900 mV forward voltage and -55°C to 150°C operating range. ES3D-E3/57T (Vishay) also features 900 mV forward voltage with identical operating range. The primary difference is manufacturer sourcing; either part is suitable for direct replacement of the ES3D.

Q: Why do some substitute parts have lower forward voltage than the ES3D?

A: Forward voltage variation within the 875 mV to 1000 mV range is normal across different manufacturers and process technologies. Lower forward voltage (such as 875 mV in MURS320 series) indicates improved semiconductor processing and results in reduced power dissipation and improved efficiency. This is a beneficial characteristic and does not affect functional compatibility.

Q: Is the DO-214AB package identical across all listed substitute parts?

A: Yes. All substitute parts listed use the DO-214AB SMC package, ensuring mechanical and electrical compatibility with existing PCB layouts and assembly processes. Package compatibility is a mandatory substitution criterion for all parts in this reference.

Q: Can I use ER3D_R1_00001 in applications requiring the lowest possible reverse leakage current?

A: Yes. ER3D_R1_00001 (Panjit International Inc.) features reverse leakage current of 1 µA @ 200 V, the lowest among all listed substitutes. This part is suitable for precision analog circuits, high-impedance applications, or low-power designs where leakage current minimization is critical. All other electrical specifications (200 V / 3 A, fast recovery, DO-214AB package) remain equivalent to the ES3D.

Q: What is the significance of the "Fast Recovery ≤ 500ns, > 200mA (Io)" specification?

A: This specification indicates the diode's switching speed classification. All listed substitute parts meet this fast recovery criterion, ensuring compatibility with high-frequency switching applications. Reverse recovery time (trr) values ranging from 20 ns to 50 ns across the substitute parts all satisfy this fast recovery classification, confirming suitability for switching power supplies and similar applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. This ensures compatibility with modern manufacturing processes, environmental regulations, and storage requirements without additional qualification or process modifications.

Q: Which substitute part offers the best overall performance improvement over the ES3D?

A: MURS320-13-F (Diodes Incorporated) provides the most comprehensive performance improvement: reduced forward voltage (875 mV vs. 950 mV), faster reverse recovery time (25 ns vs. 20 ns), lower reverse leakage current (5 µA vs. 10 µA), and extended operating temperature range (-65°C to 175°C vs. -50°C to 150°C). This part is recommended for new designs and applications requiring optimized thermal and electrical performance.

Q: Can substitute parts be mixed within a single assembly?

A: Yes. All substitute parts meet identical electrical specifications (200 V / 3 A, fast recovery, DO-214AB package) and compliance requirements. Mixing different manufacturer parts within a single assembly is permissible from an electrical and mechanical standpoint. However, manufacturing process control and traceability practices should be evaluated based on application requirements and quality standards.

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