DF10S Bridge Rectifier Diode - Equivalent & Substitute Parts

Part Overview

The DF10S is a single-phase bridge rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 1 kV peak reverse voltage and 1 A average rectified current. This component is classified as obsolete, with 2,060 units available in current inventory. Due to its obsolete status, identifying equivalent and substitute parts from active manufacturers is essential for ongoing design support, production continuity, and long-term component availability.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	1 kV
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Current - Reverse Leakage @ Vr	5 µA @ 1000 V
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the DF10S are classified based on strict electrical and mechanical parameter alignment:

Direct Manufacturer Equivalents (Vishay): Parts DF10S-E3/45 and DF10S-E3/77 are direct equivalents from the original manufacturer, differing only in packaging format (Tube and Cut Tape & Digi-Reel respectively). Both maintain identical electrical specifications and are classified as active products.

Parametric Equivalents (Same Electrical Ratings): Parts ABS10-HF, ABS10A-13, ABS10U, and B1010S_R2_00001 meet all core electrical parameters: 1 kV peak reverse voltage, 1 A average rectified current, 1.1 V forward voltage at 1 A, and 5 µA reverse leakage at 1000 V. These parts use alternative package designations (ABS or 4-MDI) but maintain identical mounting type (Surface Mount, 4-SMD, Gull Wing) and thermal operating range.

Manufacturer Recommended Alternatives: Parts DF10S (Good-Ark Semiconductor), DF10S-T (Diodes Incorporated), and DF1510S-G (Comchip Technology) are manufacturer-recommended substitutes. DF10S-T and DF10S from Good-Ark and Diodes Incorporated maintain 1 A ratings with minor parameter variations. DF1510S-G is rated for 1.5 A average rectified current, providing higher current capacity within the same 1 kV voltage class.

Key Parameters Determining Substitution:

Voltage - Peak Reverse (Max): 1 kV (mandatory)
Current - Average Rectified (Io): 1 A minimum (1.5 A acceptable for higher capacity)
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A (or equivalent test condition)
Current - Reverse Leakage @ Vr: 5 µA @ 1000 V (or lower)
Operating Temperature: -55°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing (or equivalent footprint)

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Peak Reverse (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Current - Reverse Leakage @ Vr	Operating Temperature	Package / Case	RoHS Status	Inventory (Pcs)
DF10S	Vishay General Semiconductor	Obsolete	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	2,060
DF10S-E3/45	Vishay General Semiconductor	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	35,300
DF10S-E3/77	Vishay General Semiconductor	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	26,100
DF10SA-E3/77	Vishay General Semiconductor	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	4,599
DF10S	Good-Ark Semiconductor	Active	1 kV	1 A	1.1 V @ 500 mA	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	17,450
DF10S-T	Diodes Incorporated	Active	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-65°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	125,200
DF1510S-G	Comchip Technology	Active	1 kV	1.5 A	1.1 V @ 1.5 A	10 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	891
ABS10-HF	Comchip Technology	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	15,262
ABS10A-13	Diodes Incorporated	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	20,206
ABS10U	SMC Diode Solutions	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	10,200
B1010S_R2_00001	Panjit International Inc.	Active	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	ROHS3 Compliant	3,308

Engineering Selection Recommendations

Primary Recommendation: DF10S-E3/45 or DF10S-E3/77 from Vishay General Semiconductor provide direct electrical and mechanical equivalence to the obsolete DF10S. Both are active products with ROHS3 compliance and identical parameter specifications. DF10S-E3/45 is available in Tube packaging with 35,300 units in stock, while DF10S-E3/77 is available in Cut Tape & Digi-Reel format with 26,100 units in stock. Selection between these two depends on procurement and assembly requirements.

Secondary Recommendation: DF10S-T from Diodes Incorporated is an active alternative with the highest inventory availability (125,200 units). This part maintains 1 kV voltage rating and 1 A current rating with identical forward voltage specification. The extended operating temperature range (-65°C ~ 150°C) provides additional thermal margin. Reverse leakage is specified at 10 µA @ 1000 V, which remains within acceptable limits for standard rectification applications.

Parametric Equivalents: ABS10A-13 (Diodes Incorporated), ABS10-HF (Comchip Technology), and ABS10U (SMC Diode Solutions) meet all core electrical specifications with 1 kV voltage, 1 A current, and 5 µA reverse leakage. These parts use alternative package designations but maintain identical 4-SMD, Gull Wing footprints. Selection among these depends on supplier availability and procurement lead times.

Higher Current Alternative: DF1510S-G from Comchip Technology provides 1.5 A average rectified current within the same 1 kV voltage class. This part is suitable for applications requiring higher current capacity while maintaining backward compatibility with the 1 kV rating. Limited inventory (891 units) should be considered for long-term supply planning.

Compliance Consideration: All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage practices.

Frequently Asked Questions (FAQ)

Q: Can DF10S-E3/45 and DF10S-E3/77 be used interchangeably with the obsolete DF10S?

A: Yes. Both parts are direct Vishay equivalents with identical electrical specifications (1 kV, 1 A, 1.1 V forward voltage, 5 µA reverse leakage) and mechanical packaging (4-SMD, Gull Wing). The difference is packaging format: DF10S-E3/45 is supplied in Tube, while DF10S-E3/77 is supplied in Cut Tape & Digi-Reel. Both are active products with full inventory availability.

Q: What is the difference between parts with 5 µA and 10 µA reverse leakage specifications?

A: Reverse leakage current is a measure of the diode's blocking capability in reverse bias. The DF10S specifies 5 µA @ 1000 V, while DF10S-T and DF1510S-G specify 10 µA @ 1000 V. Both values are within standard rectifier performance ranges. The 10 µA specification represents slightly higher leakage but remains acceptable for general-purpose rectification applications. Selection depends on application sensitivity to leakage current.

Q: Is DF1510S-G a suitable substitute despite its 1.5 A rating?

A: DF1510S-G is a parametric equivalent with higher current capacity (1.5 A vs. 1 A). It maintains the same 1 kV voltage rating and forward voltage characteristics. This part is suitable for applications where the original 1 A rating is adequate, as the higher rating provides additional design margin. However, verify that the higher current rating does not introduce thermal or circuit design complications.

Q: Can I use parts with different package designations (DFS vs. ABS vs. 4-MDI)?

A: All substitute parts listed maintain identical 4-SMD, Gull Wing mechanical footprints and surface mount compatibility. Package designations (DFS, ABS, 4-MDI) refer to internal supplier classifications but do not affect PCB layout or assembly compatibility. Verify footprint dimensions with component datasheets before design implementation.

Q: Why do some parts have extended operating temperature ranges (-65°C vs. -55°C)?

A: DF10S-T from Diodes Incorporated specifies -65°C ~ 150°C, compared to the standard -55°C ~ 150°C range. The extended lower temperature limit provides additional thermal margin for applications operating in cold environments. This does not affect compatibility with designs specified for -55°C ~ 150°C operation.

Q: What is the significance of ROHS3 compliance for all listed substitutes?

A: ROHS3 compliance indicates that all substitute parts meet Restriction of Hazardous Substances regulations, confirming the absence of lead, cadmium, mercury, and other restricted materials. This ensures compatibility with modern manufacturing standards and environmental regulations. All listed parts maintain this compliance status.

Q: How should I select between multiple active substitutes?

A: Selection criteria include: (1) Inventory availability and lead time requirements; (2) Packaging format compatibility with procurement and assembly processes; (3) Supplier relationship and pricing; (4) Thermal operating range requirements; (5) Reverse leakage specifications for application sensitivity. DF10S-E3/45 and DF10S-E3/77 provide direct manufacturer equivalence. DF10S-T offers highest inventory availability. Parametric equivalents (ABS series, B1010S) provide alternative sourcing options.

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