Equivalent & Substitute Parts for FESF8ATHE3_A/P

Part Overview

FESF8ATHE3_A/P is a general-purpose diode rated for 50 V reverse voltage and 8A average rectified current, utilizing standard recovery technology. The component is supplied in an ITO-220AC package for through-hole mounting and meets automotive standards, including AEC-Q101 qualification and RoHS3 compliance. The part is actively available with inventory in stock. The necessity of alternate models arises for legacy design compatibility, managing product status variations, and sourcing flexibility in case of inventory changes or obsolescence of preferred models.

Substiute Parts

FESF8ATHE3_A/P

Vishay General Semiconductor - Diodes DivisionIn Stock: 791FESF8ATHE3_A/P Datasheet

Current PartRFQ

STPS1545DY

STMicroelectronicsIn Stock: 1453STPS1545DY Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic is strictly based on matching or exceeding the key electrical and mechanical parameters: voltage - DC reverse (Vr), current - average rectified (Io), package type, mounting style, recovery characteristics, grade, qualification, and compliance status. Only substitute parts that conform to these parameters for the Diodes, Rectifiers category are considered.

Parameter Comparison

Engineering Selection Recommendations

FESF8ATHE3_A/P is an active component with ROHS3, REACH, and AEC-Q101 compliance. STPS1545DY is an obsolete part, though it retains the necessary automotive grade, regulatory compliance, and through-hole mounting. Selection should prioritize product status and available certifications as provided in the parameters. Inventory status and regulatory compliance are the primary considerations for substitution within the specified criteria.

Frequently Asked Questions (FAQ)

Q1: What key parameters are required for direct substitution in this diode category?
A1: Matching or exceeding voltage - DC reverse (Vr), current - average rectified (Io), package type, mounting style, recovery characteristics, qualification standards, and compliance.

Q2: Can the STPS1545DY be used as a substitute for FESF8ATHE3_A/P?
A2: STPS1545DY meets the necessary criteria for automotive grade, mounting type, regulatory compliance, and fast recovery specifications within the stated parameters, but its product status is obsolete.

Q3: Are package and mounting type critical in substitution?
A3: Yes, the through-hole mounting and TO-220 family package are required for compatibility in mechanical design and assembly.

Q4: Is compliance with AEC-Q101 and ROHS3 mandatory?
A4: Substitution is restricted to parts meeting provided automotive and regulatory certifications per the specified parameters.

Q5: Does reverse recovery time affect substitution suitability?
A5: Only parts classified as fast recovery within the given category parameters are listed as substitutes.

Q6: Should obsolete status affect component selection?
A6: Product status is a direct selection criterion. Active parts are prioritized over obsolete components based strictly on provided inventory and product lifecycle information.