DFB2560 Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DFB2560 is a single-phase bridge rectifier manufactured by onsemi, rated for 600 V peak reverse voltage and 25 A average rectified current in a through-hole TS-6P package. This component is classified as "Not For New Designs," making identification of active equivalent alternatives essential for ongoing production and maintenance applications. The DFB2560 remains available with 1492 pieces in current inventory stock.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	600 V
Current - Average Rectified (Io)	25 A
Voltage - Forward (Vf) (Max)	1.1 V
Current - Reverse Leakage @ Vr	10 µA @ 600 V
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	4-SIP, TS-6P
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the DFB2560 is determined by the following mandatory parameters:

Diode Type: Single Phase
Voltage - Peak Reverse (Max): 600 V
Current - Average Rectified (Io): 25 A
Operating Temperature Range: -55°C ~ 150°C (TJ)
Mounting Type: Through Hole
RoHS Status: ROHS3 Compliant

All identified substitute parts meet these core electrical and mechanical requirements. Package variations (TS-6P versus GBJ) are noted as they affect physical board layout compatibility. Forward voltage characteristics and reverse leakage specifications remain within acceptable tolerance across all alternatives.

Parameter Comparison

Parameter	DFB2560 (onsemi)	GBJ2506 (SMC Diode Solutions)	TS25P05G (Taiwan Semiconductor)	TS25P05GH (Taiwan Semiconductor)
Diode Type	Single Phase	Single Phase	Single Phase	Single Phase
Technology	Standard	Standard	Standard	Standard
Voltage - Peak Reverse (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	25 A	25 A	25 A	25 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 25 A	1.1 V @ 12.5 A	1.1 V @ 15 A	1.1 V @ 25 A
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V
Operating Temperature Range	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	4-SIP, TS-6P	4-ESIP, GBJ	4-SIP, TS-6P	4-SIP, TS-6P
Product Status	Not For New Designs	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

TS25P05GH (Taiwan Semiconductor Corporation) is the primary recommended substitute. This part maintains identical electrical specifications to the DFB2560, including forward voltage at 25 A and package configuration (TS-6P). The TS25P05GH carries Active product status and includes AEC-Q101 automotive qualification, providing extended lifecycle assurance and compliance for demanding applications.

TS25P05G (Taiwan Semiconductor Corporation) serves as a secondary equivalent. It matches the DFB2560 in all critical parameters and package form factor. Forward voltage is specified at 15 A rather than 25 A, which does not affect substitution validity for this 25 A rated device. Active product status ensures continued availability.

GBJ2506 (SMC Diode Solutions) is functionally equivalent but uses the GBJ package form factor instead of TS-6P. This substitution requires physical board layout verification due to package differences. Forward voltage is specified at 12.5 A. Active product status and ROHS3 compliance are confirmed. This option is suitable only when package footprint compatibility is confirmed.

Frequently Asked Questions (FAQ)

Q: Can the GBJ2506 be used as a direct drop-in replacement for the DFB2560?

A: The GBJ2506 meets all electrical specifications but uses a different package form factor (GBJ versus TS-6P). Physical board layout compatibility must be verified before substitution. If the PCB footprint is designed for TS-6P, the GBJ2506 will not mount directly.

Q: What is the significance of forward voltage being specified at different current levels across these parts?

A: Forward voltage specifications at 12.5 A, 15 A, and 25 A represent manufacturer test conditions. All parts are rated for 25 A average rectified current. The maximum forward voltage of 1.1 V is consistent across all alternatives, confirming electrical compatibility.

Q: Why is the DFB2560 marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new applications. Existing inventory remains available for maintenance and legacy system support.

Q: Is the TS25P05GH suitable for automotive applications?

A: The TS25P05GH carries AEC-Q101 qualification, confirming suitability for automotive-grade applications. The DFB2560 and TS25P05G do not carry this certification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The DFB2560, GBJ2506, TS25P05G, and TS25P05GH are all ROHS3 compliant, confirming compatibility with environmental and regulatory requirements.

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