DBF60G Bridge Rectifier Single Phase 600V 2.8A Equivalent & Substitute Parts

Part Overview

The DBF60G is a single-phase bridge rectifier manufactured by onsemi, rated for 600V peak reverse voltage with 2.8A average rectified current. This component uses standard rectifier technology in a 4-SIP through-hole package configuration. The DBF60G is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support, maintenance, and production continuity. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating available packaging and product status options.

Key Parameters

Parameter	DBF60G Value	Specification Basis
Voltage - Peak Reverse (Max)	600 V	Primary electrical rating
Current - Average Rectified (Io)	2.8 A	Primary electrical rating
Voltage - Forward (Vf) (Max)	1.05 V @ 2.5 A	Forward conduction characteristic
Current - Reverse Leakage @ Vr	10 µA @ 600 V	Reverse blocking characteristic
Operating Temperature (TJ)	150°C	Thermal rating
Mounting Type	Through Hole	PCB integration method
Package / Case	4-SIP, DBF	Physical form factor
Diode Type	Single Phase	Rectification configuration
Technology	Standard	Semiconductor process class

Substitute Part Grouping Explanation

Substitution eligibility for the DBF60G is determined by the following mandatory electrical and mechanical criteria:

Voltage Compatibility: All substitute parts must maintain a peak reverse voltage rating of 600V or higher to ensure safe operation within the original circuit design envelope.

Current Capacity: Substitute parts must support an average rectified current rating equal to or greater than 2.8A. Parts with higher current ratings (4A, 6A) are acceptable as they provide design margin and thermal headroom.

Forward Voltage Characteristics: Forward voltage drop must be compatible with circuit design requirements. Variations within the 1.05V to 1.1V range at specified test currents are acceptable for standard rectifier technology.

Reverse Leakage: Reverse leakage current at rated voltage must not exceed 10µA to maintain blocking performance and circuit reliability.

Operating Temperature: Minimum junction temperature rating must support 150°C operation. Parts rated to -55°C to 150°C or -55°C to 125°C are acceptable based on application thermal requirements.

Mounting and Package: Through-hole mounting is required. Package variants (4-SIP DBF, 4-ESIP GBJ, 4-SIP RS-4L) are mechanically compatible with standard PCB through-hole footprints.

Product Status and Compliance: Active product status is preferred for long-term availability. RoHS3 compliance and REACH compliance status are documented for regulatory alignment.

Parameter Comparison

Parameter	DBF60G (onsemi)	GBJ606 (SMC Diode Solutions)	RS405GL-BP (Micro Commercial Co)
Voltage - Peak Reverse (Max)	600 V	600 V	600 V
Current - Average Rectified (Io)	2.8 A	6 A	4 A
Voltage - Forward (Vf) (Max) @ If	1.05 V @ 2.5 A	1.1 V @ 6 A	1.1 V @ 3 A
Current - Reverse Leakage @ Vr	10 µA @ 600 V	5 µA @ 600 V	10 µA @ 600 V
Operating Temperature (TJ)	150°C	-55°C ~ 150°C	-55°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	4-SIP, DBF	4-ESIP, GBJ	4-SIP, RS-4L
Diode Type	Single Phase	Single Phase	Single Phase
Technology	Standard	Standard	Standard
Product Status	Obsolete	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

GBJ606 (SMC Diode Solutions): This part meets all electrical requirements with 600V peak reverse voltage and 6A average rectified current, exceeding the 2.8A requirement. The part is active in production status, ensuring long-term availability and supply chain stability. RoHS3 compliance and REACH affected status indicate current regulatory alignment. The extended operating temperature range (-55°C to 150°C) provides thermal margin. The 4-ESIP package is mechanically compatible with through-hole PCB designs. Reverse leakage of 5µA is superior to the original specification.

RS405GL-BP (Micro Commercial Co): This part satisfies all electrical requirements with 600V peak reverse voltage and 4A average rectified current, providing adequate margin above the 2.8A specification. The part is active in production status with RoHS3 compliance and REACH unaffected status. The 4-SIP RS-4L package maintains mechanical compatibility with through-hole mounting. Operating temperature range of -55°C to 125°C is acceptable for applications not requiring the full 150°C junction temperature capability. Reverse leakage matches the original 10µA specification.

Both substitute parts are electrically and mechanically compatible with the DBF60G. Selection between GBJ606 and RS405GL-BP depends on application-specific thermal requirements, supply chain preferences, and regulatory compliance documentation needs.

Frequently Asked Questions (FAQ)

Q: Can the GBJ606 or RS405GL-BP be used as direct replacements for the DBF60G?

A: Both parts meet the mandatory electrical specifications: 600V peak reverse voltage, current ratings exceeding 2.8A, compatible forward voltage characteristics, and acceptable reverse leakage. Through-hole mounting is maintained. Direct PCB footprint compatibility requires verification of pin spacing and lead diameter, as package designations (DBF, GBJ, RS-4L) may have minor dimensional variations.

Q: What is the significance of the higher current ratings (6A for GBJ606, 4A for RS405GL-BP) compared to the original 2.8A?

A: Higher current ratings provide design margin and improved thermal performance in the application circuit. The substitute parts will operate at lower junction temperatures under the same load conditions, extending component life and improving reliability. No circuit redesign is required.

Q: Are there compliance differences between the substitute parts?

A: GBJ606 is RoHS3 compliant and REACH affected. RS405GL-BP is RoHS3 compliant and REACH unaffected. Both meet current regulatory standards. Selection depends on end-market requirements and supply chain compliance documentation.

Q: How do the operating temperature ranges affect part selection?

A: The DBF60G is rated to 150°C junction temperature. GBJ606 supports -55°C to 150°C, fully matching the original range. RS405GL-BP supports -55°C to 125°C, which is acceptable for applications where junction temperature does not exceed 125°C. Verify application thermal requirements before selection.

Q: What package considerations apply to these substitute parts?

A: All three parts use through-hole mounting. Package variants are DBF (original), GBJ (substitute), and RS-4L (substitute). Physical lead spacing and diameter should be verified against PCB footprint design to ensure mechanical fit, though all are standard 4-pin through-hole configurations.

Q: Is the lower reverse leakage of GBJ606 (5µA vs 10µA) significant?

A: Lower reverse leakage indicates superior blocking performance and reduced standby current in the application circuit. This is a beneficial characteristic that does not require circuit modification and may improve overall system efficiency.

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