AR4PDHM3/86A Equivalent & Substitute Parts

Part Overview

The AR4PDHM3/86A is an avalanche diode rated for 200 V DC reverse voltage with 2 A average rectified current, manufactured by Vishay General Semiconductor - Diodes Division. This component is packaged in a TO-277A (SMPC) surface mount configuration and belongs to the eSMP® series of fast recovery rectifier diodes.

The AR4PDHM3/86A has been discontinued at DiGi Electronics. Equivalent and substitute parts are available from the same manufacturer with identical electrical performance characteristics and package specifications. These alternatives provide direct functional replacement options with varying packaging formats and product statuses.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	1.6 V @ 4 A
Reverse Recovery Time (trr)	140 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Capacitance @ Vr, F	77 pF @ 4 V, 1 MHz
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Package / Case	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)
Operating Temperature - Junction	-55°C ~ 175°C
Technology	Avalanche
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AR4PDHM3/86A is determined by electrical and mechanical parameter equivalence. All substitute parts maintain identical specifications across the following critical parameters:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 2 A
Voltage - Forward (Vf) (Max) @ If: 1.6 V @ 4 A
Reverse Recovery Time (trr): 140 ns
Current - Reverse Leakage @ Vr: 10 µA @ 200 V
Capacitance @ Vr, F: 77 pF @ 4 V, 1 MHz
Package / Case: TO-277, 3-PowerDFN
Supplier Device Package: TO-277A (SMPC)
Operating Temperature - Junction: -55°C ~ 175°C
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts differ only in packaging format (Tape & Reel versus Cut Tape) and product status (Active versus Discontinued). These differences do not affect electrical performance or functional compatibility in circuit applications.

Parameter Comparison

Parameter	AR4PDHM3/86A	AR4PDHM3_A/H	AR4PD-M3/86A	AR4PD-M3/87A	AR4PDHM3_A/I
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	2 A	2 A	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.6 V @ 4 A	1.6 V @ 4 A	1.6 V @ 4 A	1.6 V @ 4 A	1.6 V @ 4 A
Reverse Recovery Time (trr)	140 ns	140 ns	140 ns	140 ns	140 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V	10 µA @ 200 V	10 µA @ 200 V	10 µA @ 200 V	10 µA @ 200 V
Capacitance @ Vr, F	77 pF @ 4 V, 1 MHz	77 pF @ 4 V, 1 MHz	77 pF @ 4 V, 1 MHz	77 pF @ 4 V, 1 MHz	77 pF @ 4 V, 1 MHz
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)	TO-277A (SMPC)	TO-277A (SMPC)	TO-277A (SMPC)	TO-277A (SMPC)
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
Technology	Avalanche	Avalanche	Avalanche	Avalanche	Avalanche
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)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active
Packaging Format	Not specified	Tape & Reel (TR)	Cut Tape (CT)	Tape & Reel (TR)	Tape & Reel (TR)
Grade	Not specified	Automotive	Not specified	Not specified	Automotive
Qualification	Not specified	AEC-Q101	Not specified	Not specified	AEC-Q101

Engineering Selection Recommendations

All substitute parts provide electrical and functional equivalence to the AR4PDHM3/86A. Selection among available alternatives is based on product availability, packaging requirements, and compliance certifications.

AR4PDHM3_A/H and AR4PDHM3_A/I are qualified to AEC-Q101 automotive standards and carry automotive grade designation. These parts are suitable for applications requiring automotive-level reliability and traceability. Both are supplied in Tape & Reel (TR) packaging format and maintain Active product status.

AR4PD-M3/86A is supplied in Cut Tape (CT) packaging format and maintains Active product status. This part does not carry automotive qualification but provides equivalent electrical performance for general industrial applications.

AR4PD-M3/87A is supplied in Tape & Reel (TR) packaging format and maintains Active product status. This part does not carry automotive qualification but provides equivalent electrical performance for general industrial applications.

All substitute parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and identical electrical specifications. Selection should be based on packaging format availability, supply chain requirements, and application-specific compliance needs.

Frequently Asked Questions (FAQ)

Q: Can AR4PDHM3_A/H be used as a direct replacement for AR4PDHM3/86A?

A: Yes. AR4PDHM3_A/H provides identical electrical performance across all critical parameters including voltage rating, current capacity, forward voltage drop, and reverse recovery time. The primary difference is packaging format (Tape & Reel versus unspecified) and product status (Active versus Discontinued). Electrical compatibility is complete.

Q: What is the difference between AR4PD-M3/86A and AR4PDHM3_A/H?

A: Both parts maintain identical electrical specifications. The differences are: AR4PD-M3/86A is supplied in Cut Tape (CT) packaging, while AR4PDHM3_A/H is supplied in Tape & Reel (TR) packaging. AR4PDHM3_A/H carries automotive grade designation and AEC-Q101 qualification, while AR4PD-M3/86A does not. Selection depends on packaging requirements and application compliance needs.

Q: Are AR4PDHM3_A/H and AR4PDHM3_A/I interchangeable?

A: Yes. Both parts are electrically identical and carry identical automotive qualifications (AEC-Q101). Both are supplied in Tape & Reel (TR) packaging and maintain Active product status. They are fully interchangeable from an electrical and mechanical standpoint.

Q: Why should I select an automotive-qualified part if my application is not automotive?

A: Automotive-qualified parts such as AR4PDHM3_A/H and AR4PDHM3_A/I undergo additional qualification testing and maintain stricter manufacturing controls. These parts provide enhanced reliability and traceability. Selection of automotive-qualified parts is optional and depends on application requirements and supply chain preferences.

Q: Does packaging format affect circuit performance?

A: No. Packaging format (Tape & Reel versus Cut Tape) affects only handling, storage, and assembly processes. Electrical performance and functional characteristics remain identical. Selection of packaging format is based on manufacturing equipment compatibility and supply chain requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance status. All parts are also REACH Unaffected and carry identical environmental compliance certifications.

Q: What is the current inventory status of substitute parts?

A: AR4PDHM3_A/H: 884 Pcs. AR4PD-M3/86A: 1129 Pcs. AR4PD-M3/87A: 1068 Pcs. AR4PDHM3_A/I: 1116 Pcs. All substitute parts maintain Active product status with available inventory.

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