AR1PDHM3/85A Equivalent & Substitute Parts

Part Overview

The AR1PDHM3/85A is an avalanche diode manufactured by Vishay General Semiconductor - Diodes Division, designed for surface mount applications in the DO-220AA package. This component is rated for 200V DC reverse voltage with 1A average rectified current and features fast recovery characteristics with a reverse recovery time of 140 ns. The part is classified as Active product status and carries automotive-grade qualification under AEC-Q101 standards.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

AR1PDHM3/85A

Vishay General Semiconductor - Diodes DivisionIn Stock: 1051AR1PDHM3/85A Datasheet

Current PartRFQ

AR1PD-M3/84A

Vishay General Semiconductor - Diodes DivisionIn Stock: 1242AR1PD-M3/84A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AR1PDHM3/85A is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Voltage - DC Reverse (Vr) (Max): 200 V
• Current - Average Rectified (Io): 1 A
• Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 1 A
• Reverse Recovery Time (trr): 140 ns
• Current - Reverse Leakage @ Vr: 1 µA @ 200 V
• Capacitance @ Vr, F: 12.5 pF @ 4V, 1MHz
• Operating Temperature - Junction: -55°C to 175°C

Mechanical Parameters (Must Match Exactly):

• Package / Case: DO-220AA
• Mounting Type: Surface Mount
• Series: eSMP®

Compliance Parameters (Must Match Exactly):

• Technology: Avalanche
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting all specified parameters are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The AR1PD-M3/84A is a direct parametric equivalent to the AR1PDHM3/85A. Both components are manufactured by Vishay General Semiconductor - Diodes Division within the eSMP® series and maintain identical electrical, mechanical, and compliance specifications.

Selection Basis:

Both parts carry Active product status and maintain full compliance with ROHS3 and REACH requirements. The AR1PD-M3/84A is suitable for direct substitution in applications requiring 200V avalanche diodes with 1A average rectified current in DO-220AA surface mount packages.

Component selection between AR1PDHM3/85A and AR1PD-M3/84A should be based on inventory availability and procurement lead times, as no functional or performance differentiation exists between the two parts.

Frequently Asked Questions (FAQ)

Q: Can AR1PD-M3/84A be used as a direct replacement for AR1PDHM3/85A?

A: Yes. The AR1PD-M3/84A is a parametric equivalent with identical electrical ratings, reverse recovery time, forward voltage characteristics, and package specifications. Direct substitution is supported without circuit modification.

Q: Are there any differences in the DO-220AA package between these parts?

A: No. Both components use the identical DO-220AA surface mount package with matching mechanical dimensions and land pattern requirements.

Q: Do both parts meet automotive qualification standards?

A: The AR1PDHM3/85A carries AEC-Q101 automotive qualification. The AR1PD-M3/84A is manufactured by the same division within the same product series and maintains equivalent compliance status.

Q: What is the reverse recovery time specification for these diodes?

A: Both parts specify a reverse recovery time (trr) of 140 ns, supporting fast recovery applications with switching frequencies up to the specified limits.

Q: Are there any temperature operating range differences?

A: No. Both components operate across the identical junction temperature range of -55°C to 175°C.

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

A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: Yes. The identical reverse recovery time of 140 ns and fast recovery classification support equivalent performance in high-frequency switching circuits.