MP508W Bridge Rectifier Single Phase 800V 50A Equivalent & Substitute Parts

Part Overview

The MP508W is a single-phase bridge rectifier rated for 800V peak reverse voltage and 50A average rectified current, manufactured by Micro Commercial Co in a through-hole 4-Square MP-50W package. This component is classified as obsolete, which necessitates identification of active equivalent parts to maintain supply chain continuity for applications requiring this rectification specification.

Substiute Parts

MP508W

Micro Commercial CoIn Stock: 866MP508W Datasheet

Current PartRFQ

MP508W-BP

Micro Commercial CoIn Stock: 1388MP508W-BP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MP508W is determined by strict equivalence across the following critical parameters:

• Diode Type: Single Phase
• Technology: Standard
• Voltage - Peak Reverse (Max): 800 V
• Current - Average Rectified (Io): 50 A
• Voltage - Forward (Vf) (Max) @ If: 1.2 V @ 25 A
• Current - Reverse Leakage @ Vr: 10 µA @ 800 V
• Operating Temperature Range: -50°C ~ 150°C (TJ)
• Mounting Type: Through Hole
• Package / Case: 4-Square, MP-50W

The MP508W-BP meets all electrical and mechanical specifications required for direct substitution. The primary distinction is packaging format and product status.

Parameter Comparison

Engineering Selection Recommendations

The MP508W-BP is the direct equivalent for the obsolete MP508W. Both components share identical electrical ratings and mechanical specifications. The MP508W-BP is currently in active production status, ensuring supply chain availability.

The MP508W-BP carries ROHS3 compliance, whereas the original MP508W is non-compliant. Selection between these parts depends on regulatory requirements applicable to the end application. For applications requiring RoHS compliance, the MP508W-BP is the appropriate choice. For legacy systems or applications without RoHS mandates, either part meets the electrical specification.

Frequently Asked Questions (FAQ)

Q: Can MP508W-BP directly replace MP508W in existing designs?

A: Yes. The MP508W-BP is electrically and mechanically equivalent to the MP508W. Both components feature identical voltage ratings (800V peak reverse), current ratings (50A average rectified), forward voltage characteristics (1.2V @ 25A), and operating temperature range (-50°C to 150°C). The through-hole 4-Square MP-50W package is identical between both parts.

Q: What is the difference between MP508W and MP508W-BP?

A: The primary differences are product status and RoHS compliance. The MP508W is obsolete and RoHS non-compliant. The MP508W-BP is active production and ROHS3 compliant. Packaging format differs: MP508W is supplied in tape and reel format, while MP508W-BP is supplied in bulk format.

Q: Are there any thermal or electrical performance differences?

A: No. Both parts maintain identical operating temperature range (-50°C to 150°C junction temperature), forward voltage drop (1.2V maximum at 25A), and reverse leakage current (10µA at 800V). Performance characteristics are equivalent.

Q: Which part should be selected for new designs?

A: The MP508W-BP should be selected for new designs. It is in active production and carries ROHS3 compliance, meeting current regulatory standards for electronic components.

Q: Is the through-hole package identical between both parts?

A: Yes. Both the MP508W and MP508W-BP use the 4-Square MP-50W through-hole package. PCB footprints and mounting procedures are identical.