RS403L-BP Bridge Rectifier Single Phase 200V 4A Equivalent & Substitute Parts

Part Overview

The RS403L-BP is a single-phase bridge rectifier manufactured by Micro Commercial Co, rated for 200V peak reverse voltage and 4A average rectified current. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The RS403L-BP features a through-hole RS-4L package configuration and operates across a temperature range of -55°C to 125°C.

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) @ If	1.1 V @ 3 A
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Operating Temperature	-55°C ~ 125°C (TJ)
Mounting Type	Through Hole
Package / Case	4-SIP, RS-4L
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RS403L-BP is determined by the following critical parameters:

Voltage Rating: Peak reverse voltage must be 200V or higher
Current Rating: Average rectified current must be 4A or higher
Diode Type: Single phase bridge rectifier configuration
Mounting Type: Through-hole package only
Package Compatibility: RS-4L or equivalent 4-SIP footprint
Compliance: ROHS3 compliance required

The substitute parts listed below meet these criteria while maintaining functional equivalence for 200V, 4A single-phase bridge rectifier applications.

Parameter Comparison

Part Number	Manufacturer	Voltage - Peak Reverse (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Current - Reverse Leakage @ Vr	Operating Temperature	Package / Case	Product Status
RS403L-BP	Micro Commercial Co	200 V	4 A	1.1 V @ 3 A	10 µA @ 200 V	-55°C ~ 125°C	4-SIP, RS-4L	Obsolete
RS403GL-BP	Micro Commercial Co	200 V	4 A	1.1 V @ 4 A	5 µA @ 200 V	-55°C ~ 150°C	4-SIP, RS-4L	Not For New Designs
GBU2502-G	Comchip Technology	200 V	4.2 A	1 V @ 12.5 A	10 µA @ 50 V	-55°C ~ 150°C	4-SIP, GBU	Active
GBU402-G	Comchip Technology	200 V	4 A	1 V @ 2 A	10 µA @ 200 V	-55°C ~ 150°C	4-SIP, GBU	Active
GBU602-G	Comchip Technology	200 V	6 A	1 V @ 3 A	5 µA @ 200 V	-55°C ~ 150°C	4-SIP, GBU	Active
GBU802-G	Comchip Technology	200 V	8 A	1 V @ 4 A	10 µA @ 200 V	-55°C ~ 150°C	4-SIP, GBU	Active

Engineering Selection Recommendations

RS403GL-BP provides the closest functional match to RS403L-BP, maintaining identical voltage and current ratings with the same RS-4L package footprint. However, this part is classified as "Not For New Designs," limiting its suitability for new production.

GBU402-G (Comchip Technology) offers an active production alternative with matching 200V/4A specifications and identical package class (4-SIP). This part maintains ROHS3 compliance and extends the operating temperature range to 150°C.

GBU2502-G provides 4.2A current capacity with 200V rating and active product status, suitable for applications requiring slightly higher current headroom.

GBU602-G and GBU802-G are rated for 6A and 8A respectively, providing higher current capacity for applications exceeding the 4A requirement while maintaining 200V voltage compatibility.

All substitute parts maintain through-hole mounting configuration, ROHS3 compliance, and single-phase bridge rectifier topology.

Frequently Asked Questions (FAQ)

Q: Can GBU402-G directly replace RS403L-BP in existing designs? A: GBU402-G meets the core electrical specifications (200V, 4A) and maintains the 4-SIP through-hole package class. Physical footprint verification is required, as RS-4L and GBU packages may have dimensional differences despite identical pin count.

Q: What is the difference between RS403GL-BP and RS403L-BP? A: Both parts share identical voltage (200V) and current (4A) ratings and package designation (RS-4L). RS403GL-BP offers lower reverse leakage current (5 µA vs 10 µA) and extended temperature range (-55°C to 150°C vs -55°C to 125°C). RS403GL-BP is classified as "Not For New Designs."

Q: Are GBU602-G and GBU802-G suitable substitutes for 4A applications? A: Yes. Both parts exceed the 4A requirement (rated 6A and 8A respectively) while maintaining 200V voltage compatibility. Higher current ratings provide design margin and do not compromise performance in 4A applications.

Q: What compliance certifications apply to all substitute parts? A: All listed parts maintain ROHS3 compliance, REACH unaffected status, and identical HTSUS classification (8541.10.0080).

Q: Does package footprint differ between RS-4L and GBU designations? A: Both designations reference 4-SIP through-hole packages. Physical layout verification is necessary before substitution, as manufacturer-specific package dimensions may vary despite identical pin configuration.

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