ESH2PB-E3/84A Equivalent & Substitute Parts

Part Overview

The ESH2PB-E3/84A is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 100 V DC reverse voltage and 2 A average rectified current in a DO-220AA surface mount package. This part is classified as obsolete and has been superseded by active alternatives within the eSMP® series. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and legacy system support.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	980 mV @ 2 A
Reverse Recovery Time (trr)	25 ns
Current - Reverse Leakage @ Vr	1 µA @ 100 V
Capacitance @ Vr, F	25 pF @ 4 V, 1 MHz
Package / Case	DO-220AA (SMP)
Mounting Type	Surface Mount
Operating Temperature - Junction	-55°C ~ 175°C
Technology	Standard
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)

Substitute Part Grouping Explanation

Substitution of the ESH2PB-E3/84A is determined by electrical and mechanical parameter equivalence across the eSMP® series. All substitute parts maintain identical electrical specifications: 100 V reverse voltage rating, 2 A average rectified current, 980 mV forward voltage drop at 2 A, 25 ns reverse recovery time, and 1 µA reverse leakage current at 100 V. All parts share the DO-220AA surface mount package and operate across the -55°C to 175°C junction temperature range.

The substitute parts are differentiated by the following criteria:

Packaging Configuration: The main part ESH2PB-E3/84A uses standard packaging, while substitutes are available in Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR) configurations.

Product Status: The main part is obsolete; all substitute parts are active and currently in production.

Automotive Grade Qualification: Parts designated with the "HM" suffix (ESH2PBHM3/84A and ESH2PBHM3/85A) carry AEC-Q101 automotive qualification and are graded for automotive applications, while standard variants (ESH2PB-M3/84A and ESH2PB-M3/85A) are general-purpose industrial grade.

Tape Reel Revision: The "/84A" and "/85A" designations indicate different tape reel revisions with no impact on electrical performance or mechanical compatibility.

Parameter Comparison

Parameter	ESH2PB-E3/84A	ESH2PB-M3/84A	ESH2PB-M3/85A	ESH2PBHM3/84A	ESH2PBHM3/85A
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	2 A	2 A	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	980 mV @ 2 A	980 mV @ 2 A	980 mV @ 2 A	980 mV @ 2 A	980 mV @ 2 A
Reverse Recovery Time (trr)	25 ns	25 ns	25 ns	25 ns	25 ns
Current - Reverse Leakage @ Vr	1 µA @ 100 V	1 µA @ 100 V	1 µA @ 100 V	1 µA @ 100 V	1 µA @ 100 V
Capacitance @ Vr, F	25 pF @ 4 V, 1 MHz	25 pF @ 4 V, 1 MHz	25 pF @ 4 V, 1 MHz	25 pF @ 4 V, 1 MHz	25 pF @ 4 V, 1 MHz
Package / Case	DO-220AA (SMP)	DO-220AA (SMP)	DO-220AA (SMP)	DO-220AA (SMP)	DO-220AA (SMP)
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
Product Status	Obsolete	Active	Active	Active	Active
Grade	Standard	Standard	Standard	Automotive	Automotive
Qualification	None	None	None	AEC-Q101	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Industrial Applications: ESH2PB-M3/84A and ESH2PB-M3/85A are direct functional replacements for the obsolete ESH2PB-E3/84A. Both parts maintain identical electrical performance and mechanical compatibility. ESH2PB-M3/84A offers higher inventory availability (30,400 pieces) compared to ESH2PB-M3/85A (1,095 pieces). Selection between /84A and /85A tape reel revisions depends on procurement and assembly line compatibility requirements.

For Automotive Applications: ESH2PBHM3/84A and ESH2PBHM3/85A are qualified to AEC-Q101 automotive standards and are suitable for automotive-grade designs. These parts carry identical electrical specifications to the standard-grade variants but include automotive qualification. ESH2PBHM3/84A provides higher inventory (5,800 pieces) relative to ESH2PBHM3/85A (906 pieces).

Compliance Considerations: All substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Moisture sensitivity level remains at MSL 1 (unlimited) across all variants, indicating no special moisture control requirements during storage or handling.

Product Status: The obsolete status of ESH2PB-E3/84A necessitates transition to an active part. All four substitute options are currently in active production status, ensuring long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can ESH2PB-M3/84A be used as a direct replacement for ESH2PB-E3/84A?

A: Yes. ESH2PB-M3/84A is electrically and mechanically equivalent to ESH2PB-E3/84A. Both parts share identical voltage ratings (100 V), current ratings (2 A), forward voltage characteristics (980 mV @ 2 A), reverse recovery time (25 ns), and DO-220AA surface mount package. The primary difference is product status: ESH2PB-M3/84A is active while ESH2PB-E3/84A is obsolete.

Q: What is the difference between ESH2PB-M3/84A and ESH2PBHM3/84A?

A: Both parts are electrically identical with 100 V reverse voltage, 2 A current rating, and 25 ns reverse recovery time. The distinction is grade classification: ESH2PB-M3/84A is standard industrial grade, while ESH2PBHM3/84A is automotive grade with AEC-Q101 qualification. Select the automotive variant only if your application requires automotive-grade components.

Q: What do the "/84A" and "/85A" designations indicate?

A: These designations represent different tape reel revisions. Both revisions are electrically and mechanically identical. The selection between /84A and /85A depends on compatibility with your assembly equipment and procurement specifications. No functional difference exists between the two revisions.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts (ESH2PB-M3/84A, ESH2PB-M3/85A, ESH2PBHM3/84A, and ESH2PBHM3/85A) are ROHS3 compliant and REACH unaffected, meeting current environmental regulations.

Q: Which substitute part should I select for new designs?

A: For industrial applications without automotive requirements, ESH2PB-M3/84A is recommended due to highest inventory availability (30,400 pieces). For automotive applications, ESH2PBHM3/84A is the appropriate selection with AEC-Q101 qualification and adequate inventory (5,800 pieces).

Q: Is the DO-220AA package identical across all substitute parts?

A: Yes. All substitute parts use the DO-220AA surface mount package with identical mechanical dimensions and land pattern. No PCB layout modifications are required when substituting between these parts.

Q: What is the moisture sensitivity level for these diodes?

A: All parts carry MSL 1 (Unlimited) classification, indicating no special moisture control requirements during storage, handling, or assembly processes.

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