ES2AAH Equivalent & Substitute Parts

Part Overview

The ES2AAH is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 50 V DC reverse voltage and 2 A average rectified current in a surface mount DO-214AC (SMA) package. This component is classified as Active product status with AEC-Q101 automotive qualification. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and regulatory compliance can be maintained across alternative manufacturers while preserving the same functional application requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	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	10	µA @ 50 V
Capacitance @ Vr, F	25	pF @ 4V, 1MHz
Operating Temperature - Junction	-55 to 150	°C
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Technology	Standard	—
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitute parts for the ES2AAH are identified based on strict equivalence across the following critical parameters:

Voltage Rating: DC reverse voltage of 50 V (maximum)
Current Rating: Average rectified current of 2 A
Forward Voltage Drop: 950 mV maximum at 2 A forward current
Reverse Recovery Time: 35 ns (fast recovery classification)
Reverse Leakage Current: Maximum 10 µA at 50 V
Junction Capacitance: 25 pF at 4 V, 1 MHz
Operating Temperature Range: -55°C to 150°C junction temperature
Package Compatibility: DO-214AC (SMA) surface mount package
Regulatory Compliance: RoHS3 compliant, REACH unaffected status

The ES2A_R1_00001 from Panjit International Inc. meets all electrical and mechanical requirements for direct substitution with the ES2AAH. Both components share identical voltage, current, forward voltage, recovery time, and temperature specifications. Package and mounting type are identical. Both maintain RoHS3 compliance and REACH unaffected status.

Parameter Comparison

Parameter	ES2AAH (Taiwan Semiconductor)	ES2A_R1_00001 (Panjit International)	Match Status
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	Equivalent
Current - Average Rectified (Io)	2 A	2 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	950 mV @ 2 A	950 mV @ 2 A	Equivalent
Reverse Recovery Time (trr)	35 ns	35 ns	Equivalent
Current - Reverse Leakage @ Vr	10 µA @ 50 V	1 µA @ 50 V	Compatible (Lower leakage)
Capacitance @ Vr, F	25 pF @ 4V, 1MHz	25 pF @ 4V, 1MHz	Equivalent
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	Equivalent
Package / Case	DO-214AC, SMA	DO-214AC, SMA	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Technology	Standard	Standard	Equivalent
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent

Engineering Selection Recommendations

The ES2A_R1_00001 from Panjit International Inc. is a direct parametric equivalent to the ES2AAH. Both components are Active product status and maintain identical electrical specifications across all critical parameters including voltage rating, current capacity, forward voltage drop, and recovery time characteristics.

The ES2A_R1_00001 demonstrates superior reverse leakage current performance (1 µA versus 10 µA at 50 V), which represents an improvement over the primary part specification and does not introduce any compatibility concerns. This lower leakage current is within the acceptable range for applications designed for the ES2AAH.

Both parts maintain equivalent regulatory compliance status with RoHS3 certification and REACH unaffected designation. Moisture sensitivity level is identical at MSL 1 (Unlimited), indicating no special handling requirements during storage or assembly.

The DO-214AC (SMA) surface mount package is identical between both components, ensuring mechanical compatibility with existing PCB layouts and assembly processes. No design modifications or re-qualification are required for substitution.

Frequently Asked Questions (FAQ)

Q: Can the ES2A_R1_00001 be used as a direct replacement for the ES2AAH in existing designs?

A: Yes. The ES2A_R1_00001 meets all electrical and mechanical specifications of the ES2AAH. Voltage rating, current capacity, forward voltage drop, reverse recovery time, operating temperature range, and package type are identical. No circuit modifications are required.

Q: What is the difference in reverse leakage current between these parts?

A: The ES2AAH specifies a maximum reverse leakage current of 10 µA at 50 V, while the ES2A_R1_00001 specifies 1 µA at 50 V. The lower leakage current of the substitute part represents improved performance and does not create compatibility issues with applications designed for the primary part.

Q: Are both parts available in the same package?

A: Yes. Both the ES2AAH and ES2A_R1_00001 are supplied in the DO-214AC (SMA) surface mount package. PCB footprints and assembly processes are identical.

Q: Do both parts have the same regulatory compliance status?

A: Yes. Both components are RoHS3 compliant and REACH unaffected. Moisture sensitivity level is MSL 1 (Unlimited) for both parts, indicating identical handling and storage requirements.

Q: What is the reverse recovery time specification for both parts?

A: Both the ES2AAH and ES2A_R1_00001 have a reverse recovery time of 35 ns, classifying them as fast recovery diodes with switching capability greater than 200 mA.

Q: Can these parts be used interchangeably in automotive applications?

A: The ES2AAH carries AEC-Q101 automotive qualification. The ES2A_R1_00001 specifications are electrically and mechanically equivalent. Automotive application requirements should be evaluated based on specific design and qualification protocols.

Q: What is the operating temperature range for both parts?

A: Both the ES2AAH and ES2A_R1_00001 operate across a junction temperature range of -55°C to 150°C, providing equivalent thermal performance across industrial and automotive temperature environments.

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