MB106-BP Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The MB106-BP is a single-phase bridge rectifier manufactured by Micro Commercial Co, rated for 600 V peak reverse voltage and 10 A average rectified current in a BR-6 through-hole package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement continuity. The BR-6 package and electrical ratings define the substitution parameters for this product category.

Substiute Parts

MB106-BP

Micro Commercial CoIn Stock: 785MB106-BP Datasheet

Current PartRFQ

MB88-BP

Micro Commercial CoIn Stock: 828MB88-BP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for bridge rectifier diodes is determined by the following criteria:

Package Compatibility: Both the main part and substitute must use the BR-6 through-hole package to ensure mechanical and electrical interface compatibility.

Voltage Rating: The substitute part voltage rating must equal or exceed the application requirement. The MB106-BP operates at 600 V peak reverse; substitute parts rated at higher voltages (such as 800 V) are electrically compatible for this application.

Current Rating: The substitute part current rating must meet or exceed the 10 A average rectified current requirement of the original design.

Temperature Range: Operating temperature specifications must encompass the -55°C to 125°C range to ensure thermal compatibility.

Electrical Characteristics: Forward voltage drop and reverse leakage current must be within acceptable ranges for the application circuit.

Compliance & Status: RoHS3 compliance and active product status ensure long-term availability and regulatory alignment.

Parameter Comparison

Engineering Selection Recommendations

The MB88-BP presents a voltage-uprated alternative to the obsolete MB106-BP. Both components share identical package geometry (BR-6), mounting type (through-hole), temperature range (-55°C to 125°C), and forward voltage characteristics (1.1 V). Both maintain RoHS3 compliance and equivalent reverse leakage specifications.

The MB88-BP carries an 800 V peak reverse voltage rating compared to the MB106-BP's 600 V rating, providing additional voltage margin for the application. However, the MB88-BP is rated for 8 A average rectified current versus the MB106-BP's 10 A rating. This current reduction must be evaluated against the actual circuit requirements.

The MB88-BP holds active product status with current inventory availability (793 pieces), ensuring procurement continuity and long-term supply security compared to the obsolete MB106-BP.

Frequently Asked Questions (FAQ)

Q: Can the MB88-BP directly replace the MB106-BP in existing designs?

A: Mechanical and thermal compatibility is confirmed through identical BR-6 packaging and -55°C to 125°C operating range. Electrical compatibility depends on circuit current requirements. If the application draws 8 A or less average rectified current, the MB88-BP is suitable. If the design requires the full 10 A rating of the MB106-BP, the MB88-BP current limitation must be addressed through circuit redesign or alternative component selection.

Q: Why does the MB88-BP have a higher voltage rating but lower current rating?

A: Bridge rectifier designs involve trade-offs between voltage and current handling capability within a given package size. The MB88-BP prioritizes voltage performance (800 V) while the MB106-BP prioritizes current performance (10 A), both within the BR-6 package constraints.

Q: Are there compliance or regulatory differences between these parts?

A: Both components are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99. No regulatory barriers exist to substitution from a compliance perspective.

Q: What is the significance of the BR-6 package designation?

A: BR-6 is a standardized through-hole bridge rectifier package with four connection points. This package designation ensures mechanical fit and electrical interface compatibility between parts sharing the same designation, provided other electrical parameters are within acceptable ranges.

Q: Should forward voltage drop differences be considered in circuit design?

A: Both parts specify 1.1 V maximum forward voltage drop. The MB106-BP measures this at 5 A, while the MB88-BP measures at 4 A. For applications operating below 4 A, forward voltage characteristics are equivalent. For applications between 4 A and 8 A, forward voltage behavior may differ slightly but remains within the 1.1 V specification.