SL22-M3/52T Equivalent & Substitute Parts

Part Overview

The SL22-M3/52T is an active Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 20 V DC reverse voltage with a 2 A average rectified current rating and is packaged in the DO-214AA (SMB) form factor. The device is specified for fast recovery operation with a maximum forward voltage of 440 mV at 2 A and exhibits reverse leakage current of 400 µA at rated voltage. The SL22-M3/52T is ROHS3 compliant and maintains an unlimited moisture sensitivity level (MSL 1), making it suitable for industrial and commercial applications requiring reliable rectification in compact surface mount configurations. Substitute parts are identified to address inventory availability, supply chain continuity, and equivalent functional performance in circuit designs.

Substiute Parts

SL22-M3/52T
Vishay General Semiconductor - Diodes DivisionIn Stock: 1040SL22-M3/52T Datasheet
SL22-M3/52T
Current Part
SL22-E3/52T
Vishay General Semiconductor - Diodes DivisionIn Stock: 10266SL22-E3/52T Datasheet
SL22-E3/52T
Parametric Equivalent

Key Parameters

Parameter Value Unit
Voltage - DC Reverse (Vr) (Max) 20 V
Current - Average Rectified (Io) 2 A
Voltage - Forward (Vf) (Max) @ If 440 mV @ 2 A mV
Speed Fast Recovery ≤ 500ns, > 200mA (Io) ns
Current - Reverse Leakage @ Vr 400 µA @ 20 V
Operating Temperature - Junction -55 to 125 °C
Package / Case DO-214AA, SMB
Mounting Type Surface Mount
Technology Schottky
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SL22-M3/52T are identified based on electrical and mechanical parameter equivalence within the Schottky rectifier diode category. The substitution logic is based on the following critical parameters that must remain constant across all equivalent devices:

  • Reverse Voltage Rating: 20 V DC maximum
  • Average Rectified Current: 2 A
  • Forward Voltage Drop: 440 mV maximum at 2 A
  • Recovery Speed: Fast recovery ≤ 500ns for currents > 200mA
  • Reverse Leakage Current: 400 µA at 20 V
  • Package Type: DO-214AA (SMB) surface mount
  • Operating Temperature Range: -55°C to 125°C junction temperature
  • Compliance Standards: ROHS3 compliant, MSL 1

Parts meeting all these electrical and mechanical specifications are classified as parametric equivalents and direct substitutes. The SL22-M3/52T and SL22-E3/52T share identical electrical characteristics and packaging, differing only in manufacturing lot designation and inventory availability.

Parameter Comparison

Parameter SL22-M3/52T SL22-E3/52T Match
Voltage - DC Reverse (Vr) (Max) 20 V 20 V
Current - Average Rectified (Io) 2 A 2 A
Voltage - Forward (Vf) (Max) @ If 440 mV @ 2 A 440 mV @ 2 A
Speed Fast Recovery ≤ 500ns, > 200mA (Io) Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr 400 µA @ 20 V 400 µA @ 20 V
Operating Temperature - Junction -55°C to 125°C -55°C to 125°C
Package / Case DO-214AA, SMB DO-214AA, SMB
Mounting Type Surface Mount Surface Mount
Technology Schottky Schottky
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

The SL22-E3/52T is a direct parametric equivalent to the SL22-M3/52T and is suitable for substitution in all applications where the SL22-M3/52T is specified. Both devices are manufactured by Vishay General Semiconductor - Diodes Division, maintain active product status, and carry identical electrical ratings and mechanical specifications.

Selection between these parts should be based on availability and supply chain requirements. The SL22-E3/52T currently maintains higher inventory levels (10,200 pieces) compared to the SL22-M3/52T (945 pieces), making it the preferred choice for high-volume production runs or applications requiring extended lead time assurance.

Both parts satisfy ROHS3 compliance requirements and REACH unaffected status, ensuring regulatory compatibility in end-use applications. The unlimited moisture sensitivity level (MSL 1) permits standard handling and storage procedures without specialized environmental controls.

No design modifications, circuit adjustments, or performance trade-offs are required when substituting the SL22-E3/52T for the SL22-M3/52T in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the SL22-E3/52T be used as a direct replacement for the SL22-M3/52T?

A: Yes. The SL22-E3/52T is a direct parametric equivalent with identical electrical ratings, forward voltage characteristics, reverse leakage specifications, and DO-214AA (SMB) packaging. No circuit modifications are required.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution eligibility is determined by matching the following parameters: 20 V DC reverse voltage rating, 2 A average rectified current, 440 mV maximum forward voltage at 2 A, fast recovery speed (≤ 500ns), 400 µA reverse leakage current at 20 V, and -55°C to 125°C operating temperature range.

Q: Are there any package or mounting differences between these parts?

A: No. Both the SL22-M3/52T and SL22-E3/52T use the DO-214AA (SMB) surface mount package with identical mechanical dimensions and PCB footprint requirements.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity level ratings.

Q: What is the difference between the SL22-M3/52T and SL22-E3/52T?

A: The parts are electrically and mechanically identical. The designation difference (M3 versus E3) reflects manufacturing lot or tape configuration variations. The primary practical difference is inventory availability, with the SL22-E3/52T maintaining higher stock levels.

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

A: Yes. Both parts meet the fast recovery specification (≤ 500ns for currents > 200mA) required for switching applications within the 20 V, 2 A operating envelope.

Q: Are there any thermal or derating considerations when substituting these parts?

A: Both parts share identical operating temperature ranges (-55°C to 125°C junction temperature). Thermal management and derating calculations remain unchanged when substituting between these equivalent devices.

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