GBU6D-BP Bridge Rectifier Single Phase 200V 6A Equivalent & Substitute Parts

Part Overview

The GBU6D-BP is a single-phase bridge rectifier manufactured by Micro Commercial Co, rated for 200V peak reverse voltage and 6A average rectified current. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Finding equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where the original part is no longer available or inventory is depleted.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Voltage - Peak Reverse (Max)	200 V
Current - Average Rectified (Io)	6 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 3 A
Current - Reverse Leakage @ Vr	5 µA @ 200 V
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	4-SIP, GBU
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the GBU6D-BP is determined by the following critical parameters:

Voltage Rating (Peak Reverse): Substitute parts must maintain 200V minimum rating to ensure safe operation in the original circuit.
Current Rating (Average Rectified): Substitute parts rated at 6A or higher can replace the GBU6D-BP without derating concerns.
Package Type: All substitutes must use 4-SIP or 4-ESIP GBU package for mechanical and electrical compatibility.
Mounting Type: Through-hole mounting is required for PCB compatibility.
Operating Temperature Range: Substitutes must support -55°C to 150°C minimum to match thermal specifications.
Forward Voltage Characteristics: Forward voltage drop should not exceed 1.1V @ rated current to maintain circuit efficiency.

Substitute parts are grouped into two categories:

Direct Substitutes (Electrical Equivalents): Parts with 200V rating and 6A or higher current capacity, matching all critical electrical parameters.

Functional Alternatives (Higher Current Rating): Parts with 200V rating and current ratings above 6A, suitable for applications where increased current capacity is acceptable.

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
GBU6D-BP	Micro Commercial Co	200 V	6 A	1 V @ 3 A	5 µA @ 200 V	-55°C ~ 150°C	4-SIP, GBU	Not For New Designs
GBU6D-E3/51	Vishay General Semiconductor - Diodes Division	200 V	3.8 A	1 V @ 3 A	5 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
GBU402-G	Comchip Technology	200 V	4 A	1 V @ 2 A	10 µA @ 200 V	-55°C ~ 150°C	4-SIP, GBU	Active
GBU4D	onsemi	200 V	4 A	1 V @ 4 A	5 µA @ 200 V	-55°C ~ 150°C	4-SIP, GBU	Last Time Buy
GBU1002	SMC Diode Solutions	200 V	10 A	1.1 V @ 10 A	5 µA @ 200 V	-55°C ~ 150°C	4-ESIP	Active
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

Engineering Selection Recommendations

Preferred Direct Substitute: GBU602-G (Comchip Technology)

GBU602-G provides exact electrical equivalence to GBU6D-BP with identical 200V/6A ratings, matching forward voltage characteristics, and identical reverse leakage specifications. The part is in Active product status, ensuring long-term availability and supply chain stability. ROHS3 compliance and unlimited moisture sensitivity level (MSL 1) match the original specification.

Alternative Direct Substitute: GBU6D-E3/51 (Vishay General Semiconductor - Diodes Division)

GBU6D-E3/51 is manufactured by Vishay, a primary semiconductor supplier with established quality standards. While the current rating is 3.8A (below the 6A specification), this part maintains identical voltage ratings, forward voltage characteristics, and reverse leakage specifications. This substitute is suitable only for applications where the actual circuit current demand does not exceed 3.8A. Active product status ensures availability.

Higher Current Capacity Alternative: GBU1002 (SMC Diode Solutions)

GBU1002 provides 10A current capacity at 200V rating, offering increased design margin for applications requiring higher current handling. Forward voltage is 1.1V @ 10A, slightly elevated compared to the original 1V @ 3A specification. Package is 4-ESIP (functionally equivalent to 4-SIP GBU). Active product status and ROHS3 compliance are confirmed. This substitute is suitable where increased current capacity is beneficial and forward voltage elevation is acceptable.

Not Recommended: GBU4D (onsemi), GBU402-G (Comchip Technology), GBU2502-G (Comchip Technology)

GBU4D is classified as "Last Time Buy," indicating imminent discontinuation and limited future availability. GBU402-G and GBU2502-G have current ratings below 6A (4A and 4.2A respectively), making them unsuitable for direct replacement in circuits designed for 6A operation.

Frequently Asked Questions (FAQ)

Q: Can GBU6D-E3/51 replace GBU6D-BP in all applications?

A: GBU6D-E3/51 is electrically equivalent in voltage and thermal characteristics but has a lower current rating of 3.8A versus 6A. It can replace GBU6D-BP only in circuits where the actual operating current does not exceed 3.8A. Circuit analysis is required to confirm current demand before substitution.

Q: What is the difference between 4-SIP and 4-ESIP packages?

A: Both 4-SIP and 4-ESIP are four-lead single in-line packages for GBU bridge rectifiers. They are mechanically and electrically compatible for through-hole PCB mounting. GBU1002 uses 4-ESIP packaging and can be substituted for 4-SIP packaged parts without modification.

Q: Why is GBU602-G the preferred substitute?

A: GBU602-G matches all critical electrical parameters of GBU6D-BP: 200V peak reverse voltage, 6A average rectified current, 1V forward voltage @ 3A, and 5µA reverse leakage @ 200V. It maintains identical operating temperature range (-55°C to 150°C) and package type (4-SIP, GBU). Active product status ensures long-term supply availability.

Q: Can I use GBU1002 (10A) instead of GBU6D-BP (6A)?

A: Yes. GBU1002 provides higher current capacity at the same 200V voltage rating, making it suitable for direct replacement. The forward voltage is slightly higher (1.1V @ 10A versus 1V @ 3A), which may result in marginally increased power dissipation. This is acceptable in most applications and provides additional design margin.

Q: Are all substitute parts RoHS3 compliant?

A: All recommended substitute parts listed in this document are ROHS3 compliant, matching the compliance status of GBU6D-BP. Verify specific compliance documentation with the component supplier for your procurement records.

Q: What is the significance of "Not For New Designs" status?

A: "Not For New Designs" indicates GBU6D-BP has reached end-of-life and is no longer recommended for new circuit designs. Existing inventory may be available, but long-term supply is not guaranteed. For new designs and ongoing production, select from Active status alternatives such as GBU602-G or GBU1002.

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