ES2CHE3/52T Equivalent & Substitute Parts

Part Overview

The ES2CHE3/52T is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 150 V DC reverse voltage and 2 A average rectified current in a DO-214AA (SMB) surface mount package. This part is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design support and procurement. The device features fast recovery characteristics with a 30 ns reverse recovery time and automotive-grade qualification under AEC-Q101 standard.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 2 A	mV @ A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	30	ns
Current - Reverse Leakage @ Vr	10 µA @ 150 V	µA @ V
Package / Case	DO-214AA, SMB	-
Operating Temperature - Junction	-55°C ~ 150°C	°C
Grade	Automotive	-
Qualification	AEC-Q101	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the ES2CHE3/52T is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 150 V
Current - Average Rectified (Io): 2 A
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Technology: Standard (Fast Recovery)
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Acceptable Variation Parameters:

Reverse Recovery Time (trr): 20 ns to 35 ns (all within fast recovery specification)
Voltage - Forward (Vf) (Max) @ If: 875 mV to 900 mV (minor forward voltage variation acceptable within design margin)
Current - Reverse Leakage @ Vr: 2 µA to 10 µA (leakage within acceptable range)
Operating Temperature - Junction: -55°C to -65°C minimum; 150°C to 175°C maximum (all cover or exceed base part range)

Compliance Considerations:

RoHS3 Compliance required for all substitutes
Automotive Grade and AEC-Q101 qualification preferred for applications requiring automotive-level reliability

Substitute parts are grouped into three categories: Direct Manufacturer Equivalents (Vishay ES2C and U2C series variants), Parametric Equivalents (alternative manufacturers meeting all electrical specifications), and Manufacturer-Recommended Alternatives (onsemi MURS115T3G and Diotec ES2C).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [mV]	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	Status	Inventory [Pcs]
ES2CHE3/52T	Vishay	150	2	900 @ 2A	30	10 @ 150V	DO-214AA	-55 to 150	Discontinued	908
ES2CHE3_A/H	Vishay	150	2	900 @ 2A	20	10 @ 50V	DO-214AA	-55 to 150	Active	705
ES2C-E3/52T	Vishay	150	2	900 @ 2A	30	10 @ 150V	DO-214AA	-55 to 150	Active	30400
ES2C-E3/5BT	Vishay	150	2	900 @ 2A	30	10 @ 150V	DO-214AA	-55 to 150	Active	793
ES2C-M3/52T	Vishay	150	2	900 @ 2A	30	10 @ 150V	DO-214AA	-55 to 150	Active	756
ES2C-M3/5BT	Vishay	150	2	900 @ 2A	30	10 @ 150V	DO-214AA	-55 to 150	Active	921
ES2CHE3_A/I	Vishay	150	2	900 @ 2A	20	10 @ 50V	DO-214AA	-55 to 150	Active	839
U2C-E3/52T	Vishay	150	2	900 @ 2A	27	10 @ 150V	DO-214AA	-55 to 150	Active	12200
U2C-E3/5BT	Vishay	150	2	900 @ 2A	27	10 @ 150V	DO-214AA	-55 to 150	Active	836
MURS115T3G	onsemi	150	2	875 @ 1A	35	2 @ 150V	DO-214AA	-65 to 175	Last Time Buy	10100
ES2C	Diotec	150	2	900 @ 2A	20	5 @ 150V	DO-214AA	-50 to 150	Active	43700

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Vishay ES2C Series - Recommended Primary Selection):

The ES2C-E3/52T, ES2C-E3/5BT, ES2C-M3/52T, and ES2C-M3/5BT represent the most direct substitutes for the discontinued ES2CHE3/52T. These parts are manufactured by Vishay General Semiconductor - Diodes Division, maintain identical electrical specifications (150 V, 2 A, 30 ns reverse recovery time), and are available in active production status with substantial inventory levels. The ES2C-E3/52T offers the highest inventory availability (30,400 pcs) and is the preferred selection for new designs and high-volume procurement.

Vishay ES2CHE3_A Series (Direct Manufacturer Variants):

The ES2CHE3_A/H and ES2CHE3_A/I are active production variants from Vishay with improved reverse recovery time (20 ns versus 30 ns) and automotive-grade AEC-Q101 qualification. These parts are suitable for applications requiring enhanced performance characteristics and automotive reliability standards. The ES2CHE3_A/H is available with 705 pcs inventory.

Vishay U2C Series (Parametric Equivalent):

The U2C-E3/52T and U2C-E3/5BT meet all electrical specifications with a reverse recovery time of 27 ns, representing a middle ground between standard ES2C variants and enhanced ES2CHE3_A variants. The U2C-E3/52T provides high inventory availability (12,200 pcs) and active production status.

onsemi MURS115T3G (Manufacturer-Recommended Alternative):

The MURS115T3G is an onsemi-manufactured alternative meeting the 150 V, 2 A specification with extended operating temperature range (-65°C to 175°C). This part exhibits lower reverse leakage current (2 µA versus 10 µA) and slightly higher reverse recovery time (35 ns). The MURS115T3G is designated as Last Time Buy status and carries 10,100 pcs inventory. This part is suitable for applications requiring extended temperature performance but should not be selected for new long-term designs due to Last Time Buy status.

Diotec ES2C (Alternative Manufacturer):

The Diotec ES2C provides parametric equivalence with improved reverse recovery time (20 ns) and lower reverse leakage current (5 µA). This part is available in the highest inventory quantity (43,700 pcs) and active production status. The Diotec ES2C is suitable for cost-sensitive applications where alternative manufacturer sourcing is acceptable.

Selection Priority:

ES2C-E3/52T (Vishay, highest inventory, identical specifications)
ES2C-E3/5BT or ES2C-M3/5BT (Vishay, active status, adequate inventory)
U2C-E3/52T (Vishay, high inventory, 27 ns trr)
ES2C (Diotec, highest inventory, alternative manufacturer)
MURS115T3G (onsemi, extended temperature range, Last Time Buy status - not recommended for new designs)

Frequently Asked Questions (FAQ)

Q: Can ES2C-E3/52T be used as a direct replacement for ES2CHE3/52T?

A: Yes. The ES2C-E3/52T is a direct electrical and mechanical equivalent. Both parts share identical voltage rating (150 V), current rating (2 A), forward voltage (900 mV @ 2 A), reverse recovery time (30 ns), reverse leakage current (10 µA @ 150 V), and DO-214AA package. The ES2C-E3/52T is in active production with substantial inventory availability.

Q: What is the difference between ES2C-E3/52T and ES2CHE3_A/H?

A: Both parts meet the 150 V, 2 A specification and DO-214AA package requirement. The ES2CHE3_A/H features improved reverse recovery time (20 ns versus 30 ns) and automotive-grade AEC-Q101 qualification. The ES2C-E3/52T maintains the original 30 ns reverse recovery time. Selection depends on whether the improved performance characteristics of the ES2CHE3_A/H are required for the application.

Q: Are Vishay U2C series parts compatible with ES2CHE3/52T?

A: Yes. The U2C-E3/52T and U2C-E3/5BT meet all critical electrical specifications: 150 V reverse voltage, 2 A average rectified current, 900 mV forward voltage, and DO-214AA package. The U2C series exhibits a reverse recovery time of 27 ns, which falls within the acceptable fast recovery specification range. These parts are suitable for direct substitution.

Q: Can the onsemi MURS115T3G replace the ES2CHE3/52T?

A: The MURS115T3G meets the core electrical specifications (150 V, 2 A, DO-214AA package) and is electrically compatible. However, this part is designated Last Time Buy status, indicating discontinued production. The MURS115T3G should not be selected for new designs requiring long-term component availability. For existing designs currently using MURS115T3G, transition to ES2C-E3/52T or equivalent Vishay parts is recommended.

Q: What is the significance of the packaging designation (Tape & Reel versus bulk)?

A: Tape & Reel (TR) packaging indicates components supplied on continuous tape for automated assembly equipment. The ES2CHE3/52T original part does not specify packaging type, while most substitute parts are available in Tape & Reel format. This difference does not affect electrical or mechanical compatibility; it reflects standard modern manufacturing and supply practices. Bulk packaging availability should be confirmed with the supplier if required.

Q: Why does the Diotec ES2C show different reverse leakage current (5 µA) compared to Vishay parts (10 µA)?

A: The Diotec ES2C exhibits lower reverse leakage current (5 µA @ 150 V) compared to the Vishay ES2CHE3/52T (10 µA @ 150 V). Both values are within acceptable operating parameters for general-purpose rectifier applications. Lower leakage current represents improved performance characteristics and does not create compatibility issues. The Diotec part is suitable for applications where lower leakage is beneficial.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant, matching the compliance status of the original ES2CHE3/52T. This ensures compatibility with environmental and regulatory requirements for electronic equipment manufacturing.

Q: What is the difference between ES2C-E3/52T and ES2C-M3/52T?

A: Both parts are Vishay-manufactured with identical electrical specifications (150 V, 2 A, 900 mV forward voltage, 30 ns reverse recovery time) and DO-214AA package. The designation difference (E3 versus M3) reflects internal Vishay product line categorization but does not indicate functional or performance differences. Both parts are suitable for direct substitution and selection can be based on inventory availability.

Q: Can substitute parts be mixed in the same circuit board assembly?

A: Yes. All listed substitute parts meet identical electrical specifications for voltage, current, and package, allowing mixed sourcing within the same assembly. However, design documentation should be updated to reflect the specific part number used in production to maintain traceability and support future maintenance or rework activities.

Q: What is the operating temperature range consideration for substitute selection?

A: The ES2CHE3/52T operates from -55°C to 150°C junction temperature. Most Vishay substitutes (ES2C series, U2C series) maintain this identical range. The onsemi MURS115T3G extends the range to -65°C to 175°C, providing additional margin for extreme environment applications. The Diotec ES2C operates from -50°C to 150°C, which covers the standard range with slightly reduced low-temperature performance. Selection should confirm the substitute part's temperature range meets application requirements.

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