S1PD-M3/85A Equivalent & Substitute Parts

Part Overview

The S1PD-M3/85A is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 200 V DC reverse voltage with 1 A average rectified current in the DO-220AA package. The part is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter range, enabling procurement flexibility and supply chain continuity.

Substiute Parts

S1PD-M3/85A

Vishay General Semiconductor - Diodes DivisionIn Stock: 937S1PD-M3/85A Datasheet

Current PartRFQ

S1PD-M3/84A

Vishay General Semiconductor - Diodes DivisionIn Stock: 4945S1PD-M3/84A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the S1PD-M3/85A is determined by equivalence across the following critical parameters:

• Voltage Rating: DC reverse voltage of 200 V maximum
• Current Rating: Average rectified current of 1 A
• Forward Voltage Drop: 1.1 V maximum at 1 A forward current
• Recovery Characteristics: Reverse recovery time of 1.8 µs
• Reverse Leakage: 1 µA at 200 V
• Package Type: DO-220AA surface mount package
• Compliance: RoHS3 compliant status
• Temperature Range: Operating junction temperature from -55°C to 150°C

The S1PD-M3/84A meets all electrical and mechanical specifications identical to the main part. The only difference is packaging format: the main part is supplied in Tape & Reel (TR) configuration, while the substitute is supplied in Cut Tape (CT) configuration. Both are from the same manufacturer series (eSMP®) and maintain identical electrical performance.

Parameter Comparison

Engineering Selection Recommendations

The S1PD-M3/84A is a direct electrical equivalent to the S1PD-M3/85A. Both parts are Active status products from the same manufacturer and series, with identical electrical specifications and compliance certifications. Selection between these parts is determined by packaging and procurement requirements rather than electrical performance.

Tape & Reel (TR) Format (S1PD-M3/85A): Suitable for high-volume automated assembly operations where continuous reel feeding is required.

Cut Tape (CT) Format (S1PD-M3/84A): Suitable for lower-volume applications, manual assembly, or when partial reel quantities are needed.

Both parts maintain RoHS3 compliance, REACH unaffected status, and identical thermal and electrical characteristics across the specified operating range of -55°C to 150°C junction temperature.

Frequently Asked Questions (FAQ)

Q: Can S1PD-M3/84A be used as a direct replacement for S1PD-M3/85A in circuit design?

A: Yes. Both parts are electrically identical with matching voltage ratings (200 V), current ratings (1 A), forward voltage drop (1.1 V @ 1 A), reverse recovery time (1.8 µs), and all other electrical parameters. The DO-220AA package footprint is identical for both parts.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on a continuous reel suitable for automated pick-and-place assembly. Cut Tape (CT) packaging supplies components on tape segments, typically used for lower-volume applications or manual assembly. The electrical and mechanical specifications of the component itself are unchanged.

Q: Are both parts RoHS3 compliant?

A: Yes. Both S1PD-M3/85A and S1PD-M3/84A are RoHS3 compliant with Moisture Sensitivity Level 1 (unlimited shelf life).

Q: What is the operating temperature range for these diodes?

A: Both parts operate across a junction temperature range of -55°C to 150°C.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes, provided the assembly process accommodates the packaging format. If the assembly line uses automated reel feeding, the TR format is appropriate. If manual placement or partial quantities are used, the CT format is appropriate. The DO-220AA surface mount package dimensions and footprint are identical for both.

Q: What is the reverse recovery time specification?

A: Both parts have a reverse recovery time (trr) of 1.8 µs, classified as Standard Recovery with >500 ns recovery at currents greater than 200 mA.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both parts share identical RoHS3 compliance, REACH unaffected status, and ECCN/HTSUS classifications.