S3BBF Equivalent & Substitute Parts Reference

Part Overview

The S3BBF (Diodes Incorporated) is a surface mount general-purpose rectifier diode rated for 100 V reverse voltage and 3A average rectified current, supplied in an SMB (DO-214AA) package. The product is classified as obsolete, requiring the identification of alternative models to support ongoing manufacturing, repair, and inventory needs within the Diodes, Rectifiers category.

Substiute Parts

S3BBF

Diodes IncorporatedIn Stock: 1020S3BBF Datasheet

Current PartRFQ

S3MB_HF

Diodes IncorporatedIn Stock: 777S3MB_HF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the S3BBF have been selected based strictly on compliance with key electrical and mechanical parameters: reverse voltage, average rectified current, forward voltage at rated current, reverse leakage current, capacitance, recovery speed, package type, mounting method, and operating temperature range. RoHS and REACH compliance, as well as supplier device packaging and mechanical format, are included as grouping criteria. Only parts matching these specified parameters are included as substitutes.

Parameter Comparison

Engineering Selection Recommendations

The S3BBF is listed as obsolete, necessitating replacement for ongoing designs and service requirements. The manufacturer recommended substitute, S3MB_HF, is active and matches the required RoHS3 and REACH compliance standards. Both products utilize an SMB surface mount package and are unaffected by REACH regulations. ECCN and HTSUS status remain unchanged between both options. Engineering selection should prioritize active product status and compliance certifications when substituting obsolete diodes.

Frequently Asked Questions (FAQ)

Q1: What parameters determine if the S3MB_HF is a suitable direct substitute for S3BBF?
A1: Suitability is determined by matching the following parameters: rated reverse voltage, average rectified current, forward voltage at rated current, reverse leakage current, recovery speed, capacitance, operating temperature range, mounting type, package/case, compliance (RoHS3, REACH), and device packaging.

Q2: Are both S3BBF and S3MB_HF compatible in terms of footprint and mounting?
A2: Both diodes use the SMB (DO-214AA) package for surface mount assembly, supporting direct compatibility in PCB layouts designed for this footprint.

Q3: Does S3MB_HF offer equivalent or higher performance compared to S3BBF?
A3: S3MB_HF has higher rated reverse voltage (1000 V vs. 100 V) with identical rated current and forward voltage specifications, maintaining performance equivalence in these key categories.

Q4: Are there any compliance differences that should be considered during substitution?
A4: Both parts are ROHS3 Compliant and REACH Unaffected; there are no compliance differences based on the provided data.

Q5: What product status should guide substitution decisions?
A5: The main part, S3BBF, is obsolete, while S3MB_HF is active. Product status should be a primary consideration when selecting a substitute to ensure availability for current and future designs.