MB356W Bridge Rectifier Single Phase 600V 35A Equivalent & Substitute Parts

Part Overview

The MB356W is a single-phase bridge rectifier manufactured by Micro Commercial Co, rated for 600V peak reverse voltage and 35A average rectified current. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity. The MB356W features a through-hole 4-Square MB-35W package and operates across a temperature range of -55°C to 150°C.

Substiute Parts

MB356W

Micro Commercial CoIn Stock: 893MB356W Datasheet

Current PartRFQ

GBPC3506W-E4/51

Vishay General Semiconductor - Diodes DivisionIn Stock: 6574GBPC3506W-E4/51 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MB356W is determined by matching the following critical electrical and mechanical parameters:

• Diode Type: Single Phase bridge rectifier configuration
• Voltage Rating: 600V peak reverse voltage (Vrrm)
• Current Rating: 35A average rectified current (Io)
• Forward Voltage: Maximum 1.2V @ 17.5A
• Reverse Leakage: Maximum 10 µA @ 600V
• Mounting: Through-hole configuration
• Package: 4-Square form factor compatible with MB-35W footprint
• Operating Temperature: -55°C to 150°C junction temperature range

The GBPC3506W-E4/51 meets all specified electrical parameters and maintains mechanical compatibility through identical package classification and mounting type.

Parameter Comparison

Engineering Selection Recommendations

The GBPC3506W-E4/51 is the direct functional equivalent for the obsolete MB356W. Selection should be based on the following factors:

Product Status: The MB356W is obsolete, while the GBPC3506W-E4/51 is active and in production, ensuring long-term availability and supply chain continuity.

Compliance: The GBPC3506W-E4/51 is RoHS3 compliant and REACH affected, compared to the MB356W which is RoHS non-compliant. This distinction is critical for applications subject to environmental regulations.

Performance Characteristics: The GBPC3506W-E4/51 demonstrates improved electrical performance with lower forward voltage (1.1V vs 1.2V) and reduced reverse leakage current (5 µA vs 10 µA), resulting in lower power dissipation and improved reliability.

Inventory Availability: The GBPC3506W-E4/51 maintains significantly higher stock levels (6500 units) compared to the MB356W (784 units), supporting immediate procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can the GBPC3506W-E4/51 directly replace the MB356W in existing designs?

A: Yes. Both components share identical electrical ratings (600V, 35A), operating temperature range (-55°C to 150°C), and through-hole 4-Square package configuration. The GBPC3506W-E4/51 exhibits superior performance characteristics with lower forward voltage and reverse leakage.

Q: What are the key differences between these two bridge rectifiers?

A: The primary differences are product status (obsolete vs. active), compliance certifications (RoHS non-compliant vs. RoHS3 compliant), and improved electrical performance in the GBPC3506W-E4/51. Both maintain identical voltage and current ratings.

Q: Are there any package compatibility concerns?

A: No. Both components use the 4-Square through-hole package form factor. The MB-35W and GBPC-W designations refer to the same physical package classification, ensuring PCB footprint compatibility.

Q: What is the impact of lower forward voltage in the GBPC3506W-E4/51?

A: Lower forward voltage (1.1V vs 1.2V at 17.5A) reduces power dissipation and heat generation during operation, improving overall circuit efficiency and thermal performance.

Q: Should compliance certifications influence the selection decision?

A: Yes. The GBPC3506W-E4/51 is RoHS3 compliant, making it mandatory for applications subject to RoHS regulations. The MB356W's non-compliant status restricts its use in regulated markets.