DF10S Bridge Rectifier Single Phase 1 kV 1.5 A Equivalent & Substitute Parts

Part Overview

The DF10S is a single-phase bridge rectifier diode rated for 1 kV peak reverse voltage and 1.5 A average rectified current in a 4-SDIP surface mount package. Originally manufactured by onsemi, this component is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Alternative equivalent parts are necessary for new designs, ongoing production support, or when primary inventory becomes unavailable.

Key Parameters

Parameter	Value
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the DF10S is determined by three critical parameters: peak reverse voltage rating, average rectified current capacity, and package compatibility. The DF10S operates at 1 kV with 1.5 A current handling in a 4-SDIP surface mount package.

Substitute parts are grouped into two categories:

Direct Equivalents (1 kV, 1.5 A): Parts meeting or exceeding both voltage and current specifications while maintaining the same package form factor and thermal characteristics.

Functional Alternatives (1 kV, ≤1.5 A): Parts rated for 1 kV peak reverse voltage with current ratings of 1 A or 1.5 A, suitable for applications where the full 1.5 A capacity is not required or where thermal management permits lower current operation.

All substitute candidates maintain the 4-SMD, Gull Wing package configuration and surface mount mounting type. Operating temperature range, forward voltage characteristics, and reverse leakage specifications are secondary selection criteria based on application requirements.

Parameter Comparison

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

Engineering Selection Recommendations

Primary Recommendation: DF1510S-T (Diodes Incorporated) is the optimal substitute for new designs. It matches the DF10S specification of 1 kV peak reverse voltage and 1.5 A average rectified current. The part carries Active product status, ROHS3 compliance, and extended operating temperature range (-65°C to 150°C). Inventory availability is substantial at 56,669 units.

Secondary Recommendation: DF10S-T (Diodes Incorporated) provides 1 kV voltage rating with 1 A current capacity. This part is suitable for applications where 1.5 A capacity is not required. Active product status and ROHS3 compliance are confirmed. Inventory is robust at 125,200 units.

Alternative for Lower Voltage Applications: DF06S (Fairchild Semiconductor) rated at 600 V with 1 A capacity is appropriate for applications with lower voltage requirements. Active product status and extended temperature range (-65°C to 150°C) are available. Inventory is highest among all candidates at 38,560 units.

Not Recommended for New Designs: DF08S, DF04S, DF01S, DF005S, SDB104-TP, and SDB103-TP all carry "Not For New Designs" or "Obsolete" status. These parts should be used only for legacy system maintenance or when no other options are available.

Frequently Asked Questions (FAQ)

Q: Can DF10S-T directly replace DF10S in existing designs?

A: DF10S-T is electrically compatible at 1 kV peak reverse voltage. However, the current rating differs: DF10S-T is rated for 1 A while the original DF10S is rated for 1.5 A. Substitution is valid only if circuit design does not require the full 1.5 A capacity. Package compatibility (DF-S vs. 4-SDIP) must be verified for PCB layout.

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

A: DF1510S-T is rated for 1.5 A average rectified current, matching the original DF10S specification. DF10S-T is rated for 1 A. Both operate at 1 kV peak reverse voltage. DF1510S-T is the direct equivalent for applications requiring full 1.5 A capacity.

Q: Can lower voltage-rated parts like DF06S or DF04S substitute for DF10S?

A: Lower voltage-rated parts are not suitable substitutes for DF10S. The 1 kV rating is a critical specification. Using a 600 V or 400 V part in a 1 kV application creates risk of component failure and circuit malfunction. Substitution is only valid when the application voltage requirement is lower than the original specification.

Q: Are all substitute parts ROHS3 compliant?

A: DF1510S-T, DF10S-T, and DF06S are confirmed ROHS3 compliant. DF08S, DF01S, DF005S, SDB104-TP, and SDB103-TP are also ROHS3 compliant. DF04S (Vishay) is RoHS non-compliant. Compliance status must be verified for applications with regulatory requirements.

Q: What is the impact of package differences (4-SDIP vs. DF-S vs. SDB-1)?

A: All substitute parts maintain the 4-SMD, Gull Wing physical form factor and surface mount mounting type. However, the supplier device package designation (4-SDIP, DF-S, SDB-1) may indicate minor dimensional or lead configuration variations. PCB footprint compatibility must be confirmed before substitution. Consult manufacturer datasheets for precise package dimensions.

Q: Is inventory availability a factor in part selection?

A: Inventory levels vary significantly. DF10S-T has 125,200 units available, while DF1510S-T has 56,669 units. Lower inventory parts (SDB103-TP at 1,324 units) may face supply constraints. For production planning, prioritize parts with higher inventory or confirmed long-term availability.

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