MB1S-TP Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The MB1S-TP is a single-phase bridge rectifier manufactured by Micro Commercial Co, rated for 100 V peak reverse voltage and 500 mA average rectified current in a Surface Mount TO-269AA (MBS-1) package. This component is classified as Not For New Designs, making identification of active equivalent and substitute parts essential for ongoing production support and design updates.

Substiute Parts

MB1S-TP

Micro Commercial CoIn Stock: 5906MB1S-TP Datasheet

Current PartRFQ

MB2S-E3/45

Vishay General Semiconductor - Diodes DivisionIn Stock: 1478MB2S-E3/45 Datasheet

SimilarRFQ

MB6S-E3/80

Vishay General Semiconductor - Diodes DivisionIn Stock: 65237MB6S-E3/80 Datasheet

SimilarRFQ

MB1S

SMC Diode SolutionsIn Stock: 9208MB1S Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MB1S-TP are classified into two categories based on electrical and mechanical compatibility:

Direct Parametric Equivalent (MB1S): This part maintains identical electrical specifications—100 V peak reverse voltage, 500 mA average rectified current, and matching thermal characteristics. The MB1S differs only in package designation (4-SMD, Gull Wing vs. TO-269AA, 4-BESOP) and is manufactured by SMC Diode Solutions with Active product status. This classification applies when the physical footprint and pinout are compatible with the original design.

Higher Voltage Rated Substitutes (MB2S-E3/45, MB6S-E3/80): These parts maintain the 500 mA current rating and identical forward voltage characteristics but feature elevated peak reverse voltage ratings (200 V and 600 V respectively). These substitutes are applicable in designs where voltage margin improvement is acceptable and the higher rating does not create cost or thermal management concerns. Both are manufactured by Vishay General Semiconductor - Diodes Division with Active product status.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: The MB1S from SMC Diode Solutions serves as the parametric equivalent with identical electrical performance at 100 V / 500 mA. This part carries Active product status and ROHS3 compliance. Physical footprint verification is required due to package designation differences (4-SMD, Gull Wing vs. TO-269AA, 4-BESOP).

For Voltage Margin Enhancement: The MB2S-E3/45 and MB6S-E3/80 from Vishay General Semiconductor provide higher voltage ratings while maintaining the 500 mA current specification and identical forward voltage characteristics. Both maintain TO-269AA, 4-BESOP package compatibility with the original MB1S-TP. Selection between these options depends on the required voltage safety margin and circuit design constraints. Both parts carry Active product status and ROHS3 compliance.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The MB1S from SMC Diode Solutions is REACH Affected, while the original MB1S-TP and Vishay parts are REACH Unaffected. This distinction may impact supply chain and regulatory documentation requirements.

Frequently Asked Questions (FAQ)

Q: Can MB1S-TP be replaced with MB1S from SMC Diode Solutions? A: Yes, the MB1S is a parametric equivalent with identical electrical specifications (100 V, 500 mA). Physical footprint compatibility must be verified, as the package designations differ (4-SMD, Gull Wing vs. TO-269AA, 4-BESOP).

Q: What is the difference between MB2S-E3/45 and MB6S-E3/80 as substitutes? A: Both maintain the 500 mA current rating and identical forward voltage. The MB2S-E3/45 is rated for 200 V peak reverse voltage, while the MB6S-E3/80 is rated for 600 V. Selection depends on the required voltage margin for the application.

Q: Are higher voltage rated parts (MB2S-E3/45, MB6S-E3/80) direct drop-in replacements? A: The MB2S-E3/45 and MB6S-E3/80 maintain the TO-269AA, 4-BESOP package and identical current/forward voltage specifications, making them mechanically and electrically compatible. Higher voltage rating does not degrade performance in lower voltage applications.

Q: Why is MB1S-TP marked as Not For New Designs? A: This status indicates the part is in mature or end-of-life phase. Active alternatives such as MB1S, MB2S-E3/45, and MB6S-E3/80 are recommended for new design implementations.

Q: What are the compliance differences between substitute parts? A: All parts are ROHS3 compliant with MSL 1 (Unlimited). The MB1S from SMC Diode Solutions is REACH Affected, while MB1S-TP and Vishay parts are REACH Unaffected. Regulatory documentation requirements may vary based on end-use jurisdiction.

Q: Does package designation affect electrical performance? A: Package designation reflects physical form factor and pinout. Electrical performance is determined by the diode specifications (voltage, current, forward voltage, leakage). Package compatibility must be verified for PCB layout and assembly.