RMB6SH Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The RMB6SH is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications. This component operates at 600 V peak reverse voltage with a 500 mA average rectified current rating. The RMB6SH is classified as an active product with automotive-grade qualification (AEC-Q101) and is RoHS3 compliant. Substitute parts are identified when inventory constraints, lead time requirements, or supply chain considerations necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.

Substiute Parts

RMB6SH

Taiwan Semiconductor CorporationIn Stock: 830RMB6SH Datasheet

Current PartRFQ

MBS6H

Taiwan Semiconductor CorporationIn Stock: 3888MBS6H Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RMB6SH is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part MBS6H maintains identical specifications in the following key areas:

• Voltage Rating: Both parts operate at 600 V peak reverse voltage
• Current Rating: Both parts support 500 mA average rectified current
• Forward Voltage Characteristics: Identical Vf of 1 V @ 400 mA
• Reverse Leakage: Both parts exhibit 5 µA @ 600 V
• Temperature Range: Both parts operate across -55°C to 150°C
• Package Configuration: Both use 4-BESOP surface mount package with 4.40mm width
• Automotive Qualification: Both parts carry AEC-Q101 certification
• Compliance Standards: Both parts are RoHS3 compliant and REACH unaffected

The MBS6H is classified as a parametric equivalent and direct substitute for the RMB6SH based on complete alignment of electrical performance and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The MBS6H serves as a direct parametric equivalent to the RMB6SH for applications requiring a single-phase bridge rectifier with 600 V and 500 mA specifications. Both parts are active products with automotive-grade qualification and AEC-Q101 certification, making them suitable for automotive and industrial applications requiring high reliability standards.

Selection between RMB6SH and MBS6H should be based on availability, lead time, and supply chain requirements. Both parts maintain identical electrical performance, thermal characteristics, and mechanical compatibility. The MBS6H currently maintains higher inventory availability (3873 Pcs) compared to the RMB6SH (730 Pcs), which may influence procurement decisions for high-volume applications.

Both parts comply with RoHS3 requirements and are REACH unaffected, ensuring regulatory compliance for applications in restricted substance environments. The MSL rating of 1 (Unlimited) for both parts indicates no moisture sensitivity constraints during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can the MBS6H be used as a direct replacement for the RMB6SH in existing designs?

A: Yes. The MBS6H is a parametric equivalent with identical electrical specifications, voltage ratings, current ratings, forward voltage characteristics, reverse leakage, operating temperature range, and package configuration. No circuit modifications are required.

Q: Are there any differences in automotive qualification between these parts?

A: No. Both the RMB6SH and MBS6H carry identical AEC-Q101 automotive qualification and automotive-grade classification, ensuring equivalent reliability for automotive applications.

Q: Do both parts have the same package dimensions?

A: Yes. Both parts use the 4-BESOP surface mount package with identical dimensions of 0.173" and 4.40mm width, ensuring mechanical compatibility on PCBs designed for either part number.

Q: What is the significance of the MSL rating for these bridge rectifiers?

A: Both parts have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints. These parts do not require special moisture control during storage, handling, or assembly processes.

Q: Are there compliance differences between RMB6SH and MBS6H?

A: No. Both parts are RoHS3 compliant and REACH unaffected, meeting identical environmental and regulatory requirements for restricted substance applications.

Q: What factors should determine which part to select?

A: Selection should be based on inventory availability, lead time requirements, and supply chain considerations. Both parts deliver identical electrical and mechanical performance. The MBS6H currently has higher inventory availability, which may be relevant for procurement planning.