RS403GL-BP Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The RS403GL-BP is a single-phase bridge rectifier manufactured by Micro Commercial Co, rated for 200 V peak reverse voltage and 4 A average rectified current in a through-hole RS-4L package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Alternative components from active product lines are available to fulfill equivalent or enhanced functionality in existing applications requiring single-phase bridge rectification at 200 V.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	200 V
Current - Average Rectified (Io)	4 A
Voltage - Forward (Vf) (Max)	1.1 V @ 4 A
Current - Reverse Leakage @ Vr	5 µA @ 200 V
Operating Temperature Range	-55°C to 150°C (TJ)
Mounting Type	Through Hole
Package / Case	4-SIP, RS-4L
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RS403GL-BP is determined by the following criteria:

Voltage - Peak Reverse (Max): Must equal or exceed 200 V
Diode Type: Must be Single Phase
Technology: Must be Standard
Operating Temperature Range: Must encompass -55°C to 150°C
Mounting Type: Must be Through Hole
Package / Case: Must be compatible 4-SIP form factor
RoHS Status: Must maintain ROHS3 Compliance

The substitute parts listed below meet all electrical and mechanical requirements. Current - Average Rectified (Io) ratings may exceed the original specification, providing enhanced current capacity while maintaining voltage and thermal compatibility.

Parameter Comparison

Parameter	RS403GL-BP	GBU2502-G	GBU402-G	GBU602-G	GBU802-G
Manufacturer	Micro Commercial Co	Comchip Technology	Comchip Technology	Comchip Technology	Comchip Technology
Voltage - Peak Reverse (Max)	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	4 A	4.2 A	4 A	6 A	8 A
Voltage - Forward (Vf) (Max)	1.1 V @ 4 A	1 V @ 12.5 A	1 V @ 2 A	1 V @ 3 A	1 V @ 4 A
Current - Reverse Leakage @ Vr	5 µA @ 200 V	10 µA @ 50 V	10 µA @ 200 V	5 µA @ 200 V	10 µA @ 200 V
Operating Temperature Range	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	4-SIP, RS-4L	4-SIP, GBU	4-SIP, GBU	4-SIP, GBU	4-SIP, GBU
Product Status	Not For New Designs	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain ROHS3 compliance and active product status, ensuring long-term availability and regulatory alignment. The GBU402-G provides direct current rating equivalence at 4 A, making it the closest functional match to the RS403GL-BP. The GBU2502-G, GBU602-G, and GBU802-G offer increased current capacity (4.2 A, 6 A, and 8 A respectively) while maintaining identical voltage specifications, suitable for applications requiring enhanced thermal margin or future current demand.

Package form factor differences between RS-4L and GBU require physical layout verification during board redesign. All substitute parts are manufactured by Comchip Technology and carry active product designations, supporting continued procurement and technical support.

Frequently Asked Questions (FAQ)

Q: Can GBU402-G directly replace RS403GL-BP without circuit modification?

A: GBU402-G meets all electrical specifications (200 V, 4 A, -55°C to 150°C) and mounting type requirements. Physical package footprint differs between RS-4L and GBU form factors; PCB layout adjustment is required.

Q: What is the difference between GBU402-G and GBU602-G?

A: Both maintain 200 V peak reverse voltage and identical thermal range. GBU602-G is rated for 6 A average rectified current versus 4 A for GBU402-G. Selection depends on application current requirements and thermal design margin.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts carry ROHS3 compliance certification, matching the original RS403GL-BP specification.

Q: Why is RS403GL-BP marked "Not For New Designs"?

A: This designation indicates the component has reached end-of-life status. Active alternatives from Comchip Technology (GBU series) are recommended for new applications and ongoing production.

Q: Do substitute parts require different PCB mounting considerations?

A: All substitute parts are through-hole mounted in 4-SIP configuration. Package outline differences between RS-4L and GBU require footprint verification and potential layout modification.

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