VSSAF5L45HM3_A/I Schottky Diode Equivalent & Substitute Parts

Part Overview

The VSSAF5L45HM3_A/I is an automotive-grade Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 45V reverse voltage with 5A average rectified current in a DO-221AC (SlimSMA) package. The device is classified as Active product status and carries AEC-Q101 automotive qualification. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, supply chain considerations, or design flexibility within the same performance envelope.

Substiute Parts

VSSAF5L45HM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 13704VSSAF5L45HM3_A/I Datasheet

Current PartRFQ

VSSAF5L45HM3_A/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 6962VSSAF5L45HM3_A/H Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VSSAF5L45HM3_A/I is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

• Voltage - DC Reverse (Vr) (Max): 45 V
• Current - Average Rectified (Io): 5 A
• Voltage - Forward (Vf) (Max) @ If: 560 mV @ 5 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: 650 µA @ 45 V
• Capacitance @ Vr, F: 740 pF @ 4V, 1MHz

Mechanical Parameters (Must Match):

• Package / Case: DO-221AC, SMA Flat Leads
• Mounting Type: Surface Mount

Compliance Parameters (Must Match):

• Technology: Schottky
• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant
• Operating Temperature - Junction: -40°C to 150°C

The substitute part VSSAF5L45HM3_A/H meets all specified criteria and is therefore classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both VSSAF5L45HM3_A/I and VSSAF5L45HM3_A/H are Active product status components from Vishay General Semiconductor - Diodes Division. Selection between these parts is based on availability and supply chain requirements, as they are electrically and mechanically identical.

VSSAF5L45HM3_A/I carries current inventory of 13,645 pieces in new original condition.

VSSAF5L45HM3_A/H carries current inventory of 6,928 pieces in new original condition.

Both parts satisfy automotive-grade requirements with AEC-Q101 qualification and ROHS3 compliance. The identical electrical specifications (45V reverse voltage, 5A average rectified current, 560mV forward voltage drop at 5A, fast recovery ≤500ns) and mechanical package (DO-221AC SlimSMA) ensure direct functional interchangeability in circuit applications. Operating temperature range (-40°C to 150°C junction temperature) and moisture sensitivity classification (MSL 1 - Unlimited) are equivalent across both variants.

Frequently Asked Questions (FAQ)

Q: Can VSSAF5L45HM3_A/H be used as a direct replacement for VSSAF5L45HM3_A/I?

A: Yes. Both parts are parametric equivalents with identical electrical and mechanical specifications. They share the same base product number (SAF5L45), manufacturer, package type (DO-221AC SlimSMA), and all critical performance parameters including reverse voltage, forward current, forward voltage drop, and recovery speed.

Q: What is the difference between VSSAF5L45HM3_A/I and VSSAF5L45HM3_A/H?

A: The parts are electrically and mechanically identical. The suffix designation (_A/I versus _A/H) reflects different manufacturing or distribution batches from Vishay. No functional or performance differences exist between the two variants.

Q: Are both parts suitable for automotive applications?

A: Yes. Both VSSAF5L45HM3_A/I and VSSAF5L45HM3_A/H carry automotive grade classification and AEC-Q101 qualification, meeting automotive industry reliability and quality standards.

Q: What is the package type for these diodes?

A: Both parts use the DO-221AC package, also designated as SlimSMA (Surface Mount). This is a surface mount package with SMA flat leads suitable for automated assembly processes.

Q: Are these parts RoHS compliant?

A: Yes. Both VSSAF5L45HM3_A/I and VSSAF5L45HM3_A/H are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q: What is the maximum reverse voltage rating?

A: Both parts are rated for 45V maximum DC reverse voltage (Vr).

Q: What is the maximum average rectified current?

A: Both parts are rated for 5A average rectified current (Io).

Q: What is the forward voltage drop specification?

A: The maximum forward voltage drop is 560 mV when conducting 5A forward current (Vf @ If).

Q: What is the operating temperature range?

A: Both parts operate across a junction temperature range of -40°C to 150°C.

Q: What is the reverse leakage current specification?

A: The reverse leakage current is 650 µA measured at the maximum reverse voltage of 45V.