DF10S_F065 Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DF10S_F065 is a single-phase bridge rectifier manufactured by onsemi, rated for 1 kV peak reverse voltage and 1.5 A average rectified current in a 4-SDIP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. Bridge rectifiers in this voltage and current class are used in AC-to-DC conversion circuits requiring moderate power handling with compact form factors.

Key Parameters

Parameter	Value
Manufacturer Part Number	DF10S_F065
Manufacturer	onsemi
Diode Type	Single Phase Bridge Rectifier
Voltage - Peak Reverse (Max)	1 kV
Current - Average Rectified (Io)	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1.5 A
Current - Reverse Leakage @ Vr	5 µA @ 1000 V
Operating Temperature Range	-55°C to 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Supplier Device Package	4-SDIP
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the DF10S_F065 is determined by the following critical parameters:

Voltage Rating: The peak reverse voltage must be equal to or greater than 1 kV to maintain circuit protection and reliability.

Current Rating: The average rectified current must be equal to or greater than 1.5 A to handle the design load without thermal stress.

Package Compatibility: All substitutes must use the 4-SMD, Gull Wing surface mount configuration to ensure PCB layout compatibility.

Forward Voltage: Forward voltage drop at rated current must not exceed 1.1 V to maintain circuit efficiency and thermal performance.

Temperature Range: Operating temperature range must encompass -55°C to 150°C to meet application requirements.

Substitute parts are grouped into two categories:

Direct Substitutes (1 kV / 1.5 A): Parts meeting or exceeding all electrical parameters with identical voltage and current ratings.

Parametric Equivalents (1 kV / 1 A): Parts with 1 kV voltage rating but 1 A current rating, suitable only when circuit design permits reduced current capacity.

Parameter Comparison

Part Number	Manufacturer	Voltage (Vr Max)	Current (Io)	Vf (Max) @ If	Ir @ Vr	Temp Range	Package	Status
DF10S_F065	onsemi	1 kV	1.5 A	1.1 V @ 1.5 A	5 µA @ 1000 V	-55°C to 150°C	4-SDIP	Obsolete
DF1510S-T	Diodes Incorporated	1 kV	1.5 A	1.1 V @ 1.5 A	10 µA @ 1000 V	-65°C to 150°C	4-SMD, Gull Wing (DF-S)	Active
DF10S-T	Diodes Incorporated	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-65°C to 150°C	4-SMD, Gull Wing (DF-S)	Active
DF10S	Good-Ark Semiconductor	1 kV	1 A	1.1 V @ 500 mA	5 µA @ 1000 V	-55°C to 150°C	4-SMD, Gull Wing (DFS)	Active
DF08S	onsemi	800 V	1.5 A	1.1 V @ 1 A	10 µA @ 800 V	-55°C to 150°C	4-SDIP	Not For New Designs
DF06S	Fairchild Semiconductor	600 V	1 A	1.1 V @ 1 A	10 µA @ 600 V	-65°C to 150°C	4-SMD, Gull Wing (DF-S)	Active
DF04S	Vishay General Semiconductor	400 V	1 A	1.1 V @ 1 A	5 µA @ 400 V	-55°C to 150°C	4-SMD, Gull Wing (DFS)	Obsolete
DF01S	onsemi	100 V	1.5 A	1.1 V @ 1.5 A	5 µA @ 100 V	-55°C to 150°C	4-SDIP	Not For New Designs
DF005S	onsemi	50 V	1.5 A	1.1 V @ 1 A	5 µA @ 50 V	-55°C to 150°C	4-SDIP	Not For New Designs
SDB104-TP	Micro Commercial Co	400 V	1 A	1.1 V @ 1 A	10 µA @ 400 V	-55°C to 150°C	4-SMD, Gull Wing (SDB-1)	Not For New Designs
SDB103-TP	Micro Commercial Co	200 V	1 A	1.1 V @ 1 A	10 µA @ 200 V	-55°C to 150°C	4-SMD, Gull Wing (SDB-1)	Not For New Designs

Engineering Selection Recommendations

Recommended Primary Substitute: DF1510S-T (Diodes Incorporated)

The DF1510S-T is the optimal replacement for the DF10S_F065. It matches the critical electrical specifications with 1 kV peak reverse voltage and 1.5 A average rectified current. The part is currently in active production status, ensuring long-term availability. It carries RoHS3 compliance and maintains the same operating temperature range with extended lower temperature capability (-65°C vs. -55°C). The 4-SMD, Gull Wing package is mechanically and electrically compatible with the original design.

Secondary Substitute: DF10S-T (Diodes Incorporated)

The DF10S-T provides 1 kV voltage rating with 1 A current capacity. This part is suitable for applications where the circuit design can accommodate reduced current handling. It is in active production with RoHS3 compliance and extended temperature range (-65°C to 150°C). Use this substitute only when load analysis confirms that 1 A average rectified current is sufficient for the application.

Parametric Equivalent: DF10S (Good-Ark Semiconductor)

The DF10S from Good-Ark Semiconductor matches the 1 kV voltage rating and provides 1 A current capacity. This part is in active production status with RoHS3 compliance. The forward voltage specification at 500 mA differs from the original, requiring thermal analysis to confirm suitability. This option is viable for applications with reduced current requirements and when supply chain considerations favor this manufacturer.

Not Recommended for New Designs: DF08S, DF06S, DF04S, DF01S, DF005S, SDB104-TP, SDB103-TP

These parts have voltage ratings below 1 kV or current ratings below 1.5 A, or carry obsolete or "Not For New Designs" status. While they may function in circuits with lower voltage or current requirements, they do not meet the full electrical specification of the DF10S_F065 and should not be selected for new applications requiring 1 kV / 1.5 A performance.

Frequently Asked Questions (FAQ)

Q: Can I use DF10S-T as a direct replacement for DF10S_F065?

A: DF10S-T is electrically compatible at the 1 kV voltage level but has a reduced current rating of 1 A versus the original 1.5 A. It is suitable only if circuit analysis confirms that the application does not require the full 1.5 A capacity. For applications requiring 1.5 A, use DF1510S-T instead.

Q: What is the difference between DF1510S-T and DF10S-T?

A: Both parts are manufactured by Diodes Incorporated and rated for 1 kV peak reverse voltage. The DF1510S-T is rated for 1.5 A average rectified current, matching the original DF10S_F065 specification. The DF10S-T is rated for 1 A. Select DF1510S-T for direct replacement; use DF10S-T only when reduced current capacity is acceptable.

Q: Are all substitute parts in the same package?

A: All recommended substitutes use 4-SMD, Gull Wing surface mount packages compatible with the original 4-SDIP footprint. However, some parts use different supplier device package designations (DF-S vs. 4-SDIP vs. DFS vs. SDB-1). Verify PCB footprint compatibility with the specific part datasheet before assembly.

Q: Why is the DF10S_F065 marked as obsolete?

A: The DF10S_F065 has been discontinued by onsemi. Active production alternatives from Diodes Incorporated (DF1510S-T and DF10S-T) are available to support ongoing applications and new designs.

Q: Can I use lower voltage-rated parts like DF06S or DF04S?

A: No. Lower voltage-rated parts do not provide adequate reverse voltage protection for circuits designed for 1 kV operation. Using undersized voltage ratings risks component failure and circuit damage. Always select parts with voltage ratings equal to or greater than the design requirement.

Q: What is the impact of reverse leakage current differences?

A: The DF1510S-T has a reverse leakage current of 10 µA at 1000 V, compared to 5 µA for the original DF10S_F065. This difference is within acceptable limits for standard bridge rectifier applications and does not affect circuit functionality or reliability in typical AC-to-DC conversion circuits.

Q: Are all substitute parts RoHS compliant?

A: DF1510S-T, DF10S-T, and DF10S all carry RoHS3 compliance. Older parts such as DF08S, DF06S, DF04S, and SDB series parts have varying compliance status. For new designs, select RoHS3 compliant parts to meet current environmental and regulatory requirements.

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