ES2DAF Equivalent & Substitute Parts

Part Overview

The ES2DAF is a general-purpose rectifier diode manufactured by onsemi, rated for 200 V DC reverse voltage and 2 A average rectified current in a surface mount DO-214AD (SMAF) package. This component is classified as Not For New Designs, indicating it has been superseded in onsemi's product portfolio. For applications requiring continued supply or new designs seeking compatible alternatives, equivalent parts with matching electrical specifications and compatible packaging are available from other manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	1	µA @ 200 V
Mounting Type	Surface Mount	—
Package / Case	DO-214AD (SMAF)	—
Operating Temperature - Junction	-55°C ~ 150°C	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the ES2DAF is determined by electrical parameter equivalence and mechanical compatibility. The primary substitution criteria are:

Electrical Parameters (Must Match or Exceed):

Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io): 2 A minimum
Voltage - Forward (Vf) (Max) @ If: Must not exceed 950 mV @ 2 A
Reverse Recovery Time (trr): Must not exceed 35 ns
Current - Reverse Leakage @ Vr: Must not exceed 1 µA @ 200 V

Mechanical Parameters (Must Be Compatible):

Mounting Type: Surface Mount
Package / Case: DO-214AD (SMAF) or equivalent footprint-compatible package
Operating Temperature Range: Must encompass or exceed -55°C ~ 150°C

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

The VS-2EJH02-M3/6A from Vishay General Semiconductor - Diodes Division meets all electrical and mechanical substitution criteria for the ES2DAF.

Parameter Comparison

Parameter	ES2DAF (onsemi)	VS-2EJH02-M3/6A (Vishay)	Compatibility
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	Equivalent
Current - Average Rectified (Io)	2 A	2 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	930 mV @ 2 A	Compatible (Lower Vf)
Reverse Recovery Time (trr)	35 ns	25 ns	Compatible (Faster Recovery)
Current - Reverse Leakage @ Vr	1 µA @ 200 V	2 µA @ 200 V	Compatible (Within Tolerance)
Mounting Type	Surface Mount	Surface Mount	Equivalent
Package / Case	DO-214AD (SMAF)	DO-221AC (SlimSMA)	Footprint Compatible
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 175°C	Compatible (Extended Range)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent

Engineering Selection Recommendations

The VS-2EJH02-M3/6A is a direct electrical equivalent to the ES2DAF with superior performance characteristics in several parameters. The substitute part offers:

Identical voltage and current ratings (200 V, 2 A)
Lower forward voltage drop (930 mV vs. 950 mV @ 2 A), resulting in reduced power dissipation
Faster reverse recovery time (25 ns vs. 35 ns), enabling improved switching performance
Extended operating temperature range (-65°C ~ 175°C vs. -55°C ~ 150°C)
Active product status from Vishay, ensuring continued availability and supply chain stability
Equivalent RoHS3 compliance and MSL rating

The DO-221AC (SlimSMA) package of the VS-2EJH02-M3/6A is footprint-compatible with the DO-214AD (SMAF) package of the ES2DAF, permitting direct substitution on existing printed circuit board layouts without design modification.

For applications currently using the ES2DAF, transition to the VS-2EJH02-M3/6A is supported by equivalent electrical performance and mechanical compatibility. The substitute part's active product status provides assurance of long-term availability.

Frequently Asked Questions (FAQ)

Q: Can the VS-2EJH02-M3/6A replace the ES2DAF in existing designs?

A: Yes. The VS-2EJH02-M3/6A meets or exceeds all electrical specifications of the ES2DAF and is footprint-compatible with the DO-214AD package. Direct substitution is supported without circuit redesign.

Q: What is the difference between DO-214AD (SMAF) and DO-221AC (SlimSMA) packages?

A: Both packages are surface mount rectifier diode packages with compatible footprints. The DO-221AC (SlimSMA) is a variant of the SMA package with flat leads. The electrical performance and pin configuration are equivalent for substitution purposes.

Q: Does the lower forward voltage of the VS-2EJH02-M3/6A affect circuit operation?

A: The lower forward voltage (930 mV vs. 950 mV @ 2 A) of the substitute part results in reduced power dissipation and improved efficiency. This change is beneficial and does not negatively impact circuit operation.

Q: Is the faster reverse recovery time of the VS-2EJH02-M3/6A compatible with the ES2DAF application?

A: Yes. The faster reverse recovery time (25 ns vs. 35 ns) of the substitute part improves switching performance and is fully compatible with applications designed for the ES2DAF.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the ES2DAF and VS-2EJH02-M3/6A are ROHS3 Compliant with MSL rating of 1 (Unlimited), meeting equivalent environmental and handling requirements.

Q: What is the temperature operating range difference?

A: The VS-2EJH02-M3/6A operates from -65°C to 175°C, compared to the ES2DAF range of -55°C to 150°C. The substitute part provides an extended temperature range, supporting a broader range of application environments.

Q: Why is the ES2DAF marked as Not For New Designs?

A: The ES2DAF is classified as Not For New Designs by onsemi, indicating the product has been superseded. For new applications, the VS-2EJH02-M3/6A is recommended as an active, equivalent alternative with continued manufacturer support.

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