MB10M-G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The MB10M-G is a single-phase bridge rectifier manufactured by Comchip Technology, rated for 1 kV peak reverse voltage with 800 mA average rectified current. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and procurement continuity. The through-hole MBM package configuration and standard rectification technology establish the baseline for equivalent part selection.

Substiute Parts

MB10M-G

Comchip TechnologyIn Stock: 785MB10M-G Datasheet

Current PartRFQ

DB107-G

Comchip TechnologyIn Stock: 8037DB107-G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MB10M-G is determined by the following critical parameters:

• Voltage Rating: Peak reverse voltage must equal or exceed 1 kV
• Current Rating: Average rectified current must equal or exceed 800 mA
• Diode Configuration: Single-phase bridge rectifier topology
• Technology Type: Standard rectification technology
• Mounting: Through-hole configuration
• Temperature Range: Operating range must encompass -55°C to 150°C
• Forward Voltage: Maximum forward voltage characteristics at rated current

The DB107-G qualifies as a direct substitute based on matching all critical electrical parameters while maintaining through-hole mounting compatibility. The DB107-G provides equal voltage and temperature specifications with enhanced current capacity (1 A vs. 800 mA), supporting applications requiring the MB10M-G without design modification.

Parameter Comparison

Engineering Selection Recommendations

The DB107-G serves as the primary substitute for the obsolete MB10M-G based on electrical parameter equivalence and compliance status. Both components share identical voltage ratings, temperature operating ranges, and forward voltage characteristics. The DB107-G provides superior current capacity (1 A vs. 800 mA), ensuring compatibility with applications designed for the MB10M-G without performance degradation.

The primary design consideration is package footprint: the DB107-G uses a 4-EDIP (0.321", 8.15mm) package versus the MB10M-G's 4-DIP (0.200", 5.08mm) package. PCB layout modification is required to accommodate the larger pitch spacing. Both components maintain identical MSL ratings and REACH compliance status, supporting equivalent reliability in production environments.

Frequently Asked Questions (FAQ)

Q: Can DB107-G directly replace MB10M-G without circuit modification?

A: Electrical substitution is valid. The DB107-G meets or exceeds all electrical specifications of the MB10M-G. However, PCB layout modification is necessary due to different package footprints (4-DIP vs. 4-EDIP). The through-hole pin configuration remains compatible with standard PCB drilling patterns, but pad spacing differs.

Q: What is the significance of the higher current rating on DB107-G?

A: The DB107-G's 1 A rating versus the MB10M-G's 800 mA rating indicates enhanced current capacity. This provides design margin for applications operating at or near the MB10M-G's rated current, reducing thermal stress and extending component life.

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

A: Both components share identical MSL ratings (1 - Unlimited) and REACH compliance status. The DB107-G carries RoHS3 compliance certification, providing additional environmental compliance documentation for regulated applications.

Q: How does reverse leakage current affect substitution?

A: The DB107-G exhibits 10 µA reverse leakage at 1000 V compared to the MB10M-G's 5 µA. This difference remains within acceptable engineering tolerances for standard bridge rectifier applications and does not impact functional compatibility.

Q: What inventory considerations apply to this substitution?

A: The DB107-G maintains significantly higher stock availability (8011 pcs) compared to the MB10M-G (769 pcs), supporting procurement continuity for ongoing production requirements.