Equivalent & Substitute Parts Reference for SL44HM3_A/H

Part Overview

The Vishay General Semiconductor SL44HM3_A/H is a Schottky diode designed for rectification applications, with a maximum DC reverse voltage of 40 V and an average rectified current of 8 A. Housed in a DO-214AB (SMC) surface-mount package, it offers fast recovery times and automotive-grade qualification (AEC-Q101). The device is active and compliant with RoHS3 and REACH standards. In electronic designs, finding compatible equivalent or substitute parts is necessary for continuity in production, inventory management, or when identical models are not available.

Substiute Parts

SL44HM3_A/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 841SL44HM3_A/H Datasheet

Current PartRFQ

SL44HE3_B/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 1038SL44HE3_B/H Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is performed strictly based on key electrical and mechanical parameters provided for the Schottky diode product category. Substitute parts are grouped by verifying equivalence in the following parameters:

• Maximum DC Reverse Voltage (Vr)
• Average Rectified Current (Io)
• Maximum Forward Voltage Drop (Vf) at the specified current
• Reverse Leakage Current
• Speed class
• Qualification and Grade (Automotive/AEC-Q101)
• Mounting type and package/case
• Compliance (RoHS, REACH)
• Moisture Sensitivity Level (MSL)
• Product status

Only parts matching all of these parameters are listed as valid substitutes.

Parameter Comparison

Engineering Selection Recommendations

When selecting between SL44HM3_A/H and SL44HE3_B/H, consideration is limited to RoHS status, REACH status, AEC-Q101 automotive qualification, and current product status. Both parts are active, automotive-qualified, meet identical RoHS and REACH standards, and have the same moisture sensitivity rating. Either part is suitable for applications requiring these compliance and qualification attributes.

Frequently Asked Questions (FAQ)

Q1: What parameters must match in a suitable Schottky diode substitute in this category?
A1: Maximum DC reverse voltage, average rectified current, maximum forward voltage at rated current, reverse leakage current, speed, package/case, mounting type, grade, qualification (e.g., AEC-Q101), compliance (RoHS, REACH), and moisture sensitivity level must all match.

Q2: Are SL44HM3_A/H and SL44HE3_B/H physically and electrically interchangeable?
A2: Based strictly on the provided parameters, both devices use the same package (DO-214AB, SMC), have identical electrical ratings, qualifications, and environmental status. They are interchangeable within these constraints.

Q3: How does the package type affect substitution for surface mount rectifiers?
A3: Only parts with the same package (DO-214AB, SMC) and supplier device package are considered valid substitutes, ensuring mechanical and soldering compatibility in automated assembly.

Q4: Is there any difference in automotive qualification between these two parts?
A4: Both SL44HM3_A/H and SL44HE3_B/H are listed as automotive grade and AEC-Q101 qualified, matching all specified requirements for automotive applications.

Q5: What compliance considerations are required for substitution in RoHS- and REACH-restricted products?
A5: Both parts are ROHS3 compliant and REACH unaffected according to the provided data, meeting environmental compliance requirements for global markets.