Bridge Rectifier W10M Single Phase 1 kV 1.5 A Equivalent & Substitute Parts

Part Overview

The W10M is a single-phase bridge rectifier manufactured by GeneSiC Semiconductor, rated for 1 kV peak reverse voltage and 1.5 A average rectified current. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system maintenance and new design implementations. The W10M utilizes standard rectifier technology in a through-hole 4-circular WOM package configuration, suitable for applications requiring AC-to-DC conversion in industrial and commercial equipment.

Key Parameters

Parameter	Value	Unit
Diode Type	Single Phase	—
Technology	Standard	—
Voltage - Peak Reverse (Max)	1	kV
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1	V @ 1 A
Current - Reverse Leakage @ Vr	10	µA @ 1000 V
Operating Temperature Range	-65 to 125	°C (TJ)
Mounting Type	Through Hole	—
Package / Case	4-Circular, WOM	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the W10M bridge rectifier is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Diode Type: Single Phase
Technology: Standard
Voltage - Peak Reverse (Max): 1 kV
Current - Average Rectified (Io): 1.5 A
Voltage - Forward (Vf) (Max) @ If: 1 V @ 1 A
Mounting Type: Through Hole

Mechanical Compatibility Criteria:

Package configuration: 4-Circular format
Through-hole mounting compatibility

The W10G-E4/51 manufactured by Vishay General Semiconductor - Diodes Division meets all electrical equivalence criteria and maintains mechanical compatibility through its 4-circular WOG package. While the package designation differs (WOG versus WOM), both are 4-circular through-hole configurations suitable for identical PCB footprints and mounting procedures.

Parameter Comparison

Parameter	W10M (GeneSiC)	W10G-E4/51 (Vishay)	Match Status
Diode Type	Single Phase	Single Phase	Equivalent
Technology	Standard	Standard	Equivalent
Voltage - Peak Reverse (Max)	1 kV	1 kV	Equivalent
Current - Average Rectified (Io)	1.5 A	1.5 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1 V @ 1 A	1 V @ 1 A	Equivalent
Current - Reverse Leakage @ Vr	10 µA @ 1000 V	5 µA @ 1000 V	Substitute Superior
Operating Temperature Range	-65°C to 125°C	-55°C to 150°C	Substitute Extended
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	4-Circular, WOM	4-Circular, WOG	Compatible
Product Status	Obsolete	Active	Substitute Active

Engineering Selection Recommendations

The W10G-E4/51 is the qualified substitute for the obsolete W10M bridge rectifier. Selection is based on the following engineering factors:

Electrical Performance: The W10G-E4/51 maintains identical ratings across all critical electrical parameters: 1 kV peak reverse voltage, 1.5 A average rectified current, and 1 V forward voltage drop at 1 A. The substitute exhibits lower reverse leakage current (5 µA versus 10 µA at 1000 V), indicating improved device quality and reduced standby power dissipation.

Thermal Operating Range: The W10G-E4/51 provides an extended operating temperature range (-55°C to 150°C) compared to the W10M (-65°C to 125°C). This extended upper temperature limit accommodates higher ambient operating conditions without derating.

Product Status and Availability: The W10M is classified as obsolete, while the W10G-E4/51 maintains active product status with documented inventory availability. This ensures long-term supply chain continuity and technical support.

Compliance and Certifications: The W10G-E4/51 carries RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement in regulated industries.

Mechanical Compatibility: Both components utilize 4-circular through-hole package configurations, ensuring direct PCB footprint compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the W10G-E4/51 be used as a direct replacement for the W10M in existing designs?

A: Yes. The W10G-E4/51 meets all electrical equivalence criteria and maintains mechanical compatibility through identical 4-circular through-hole package geometry. No circuit modifications or PCB redesign are required.

Q: What is the significance of the different package designations (WOM versus WOG)?

A: WOM and WOG are manufacturer-specific package designations for 4-circular through-hole bridge rectifier configurations. Both designations refer to the same physical form factor and pin configuration, ensuring direct mechanical and electrical compatibility.

Q: Why does the W10G-E4/51 have lower reverse leakage current than the W10M?

A: The lower reverse leakage current (5 µA versus 10 µA) reflects manufacturing process improvements in the Vishay device. This characteristic reduces standby power consumption and indicates superior device quality, providing a performance advantage in the substitute component.

Q: Is the extended operating temperature range of the W10G-E4/51 significant for my application?

A: The extended upper temperature limit (150°C versus 125°C) provides additional thermal margin in high-temperature environments. If your application operates near or above 125°C, the W10G-E4/51 offers improved reliability and eliminates potential derating requirements.

Q: What compliance certifications apply to the W10G-E4/51?

A: The W10G-E4/51 is RoHS3 compliant and REACH unaffected. These certifications confirm compliance with current environmental and hazardous substance regulations applicable to electronic component procurement.

Q: Are there any packaging or inventory considerations when sourcing the W10G-E4/51?

A: The W10G-E4/51 is supplied in bulk packaging, whereas the W10M was supplied in standard packaging. Verify bulk packaging compatibility with your procurement and assembly processes. Current inventory availability for the W10G-E4/51 is documented at 3400 pieces.

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