DF10SP-HF Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DF10SP-HF is a single-phase bridge rectifier diode manufactured by Comchip Technology, rated for 1 kV peak reverse voltage and 1 A average rectified current. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. The DF10SP-HF operates across a temperature range of -55°C to 150°C and is packaged in a 4-SMD Gull Wing surface mount configuration with DFS supplier device package designation.

Key Parameters

Parameter	Value	Unit
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	10	µA @ 1000 V
Operating Temperature Range	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	4-SMD, Gull Wing	—

Substitute Part Grouping Explanation

Substitution of the DF10SP-HF is determined by strict equivalence across the following critical parameters:

Voltage - Peak Reverse (Max): 1 kV (all substitutes must match exactly)
Current - Average Rectified (Io): 1 A (all substitutes must match exactly)
Diode Type: Single Phase (all substitutes must match exactly)
Technology: Standard (all substitutes must match exactly)
Operating Temperature Range: -55°C to 150°C (all substitutes must match exactly)
Mounting Type: Surface Mount (all substitutes must match exactly)
Package / Case: 4-SMD, Gull Wing (all substitutes must match exactly)

Substitute parts are grouped into two categories:

Manufacturer Recommended Substitute: DF10S-HF from Comchip Technology is the direct manufacturer-recommended replacement with active product status.

Parametric Equivalents: Parts meeting all critical electrical and mechanical parameters from alternative manufacturers (Comchip Technology, MDD, Taiwan Semiconductor Corporation, Vishay General Semiconductor - Diodes Division, and Panjit International Inc.) are listed as parametric equivalents. These parts maintain identical voltage, current, temperature, and mounting specifications while differing in supplier device package designation or reverse leakage characteristics within acceptable ranges.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Peak Reverse (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Current - Reverse Leakage @ Vr	Operating Temperature	Package / Case	Product Status	Supplier Device Package
DF10SP-HF	Comchip Technology	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Obsolete	DFS
DF10S-HF	Comchip Technology	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DFS
DB107S-G	Comchip Technology	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Obsolete	DBS
DB107S-HF	Comchip Technology	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DBS
DB107S	MDD	1 kV	1 A	1.1 V @ 1 A	10 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DBS
DBLS107G C1G	Taiwan Semiconductor Corporation	1 kV	1 A	1.1 V @ 1 A	2 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DBLS
DBLS107GHC1G	Taiwan Semiconductor Corporation	1 kV	1 A	1.1 V @ 1 A	2 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DBLS
DF10S-E3/45	Vishay General Semiconductor - Diodes Division	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DFS
DF10SA-E3/45	Vishay General Semiconductor - Diodes Division	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	DFS
DI1010_T0_00001	Panjit International Inc.	1 kV	1 A	1.1 V @ 1 A	5 µA @ 1000 V	-55°C ~ 150°C	4-SMD, Gull Wing	Active	SDIP

Engineering Selection Recommendations

Primary Recommendation: DF10S-HF (Comchip Technology) is the manufacturer-recommended substitute with active product status. This part maintains identical electrical specifications and package configuration to the obsolete DF10SP-HF while ensuring ongoing availability and supply chain continuity.

Alternative Selections Based on Product Status:

Active Status Alternatives: DB107S-HF (Comchip Technology), DB107S (MDD), DBLS107G C1G (Taiwan Semiconductor Corporation), DBLS107GHC1G (Taiwan Semiconductor Corporation), DF10S-E3/45 (Vishay General Semiconductor - Diodes Division), DF10SA-E3/45 (Vishay General Semiconductor - Diodes Division), and DI1010_T0_00001 (Panjit International Inc.) all maintain active product status and meet all critical electrical and mechanical parameters.
Automotive Grade Option: DBLS107GHC1G from Taiwan Semiconductor Corporation carries AEC-Q101 automotive qualification and active product status, suitable for applications requiring automotive-grade components.
Compliance Considerations: All substitute parts listed carry ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status, matching the compliance profile of the original DF10SP-HF.
Reverse Leakage Variation: Substitute parts from Taiwan Semiconductor Corporation (DBLS107G C1G, DBLS107GHC1G) and Vishay General Semiconductor - Diodes Division (DF10S-E3/45, DF10SA-E3/45) exhibit lower reverse leakage characteristics (2 µA and 5 µA respectively) compared to the original specification (10 µA), representing improved performance within the same functional category.

Frequently Asked Questions (FAQ)

Q: Can DF10S-HF directly replace DF10SP-HF in existing designs?

A: Yes. DF10S-HF is the manufacturer-recommended substitute from Comchip Technology and maintains identical electrical specifications (1 kV, 1 A, 1.1 V forward voltage, 10 µA reverse leakage) and package configuration (4-SMD Gull Wing, DFS supplier device package). The only difference is product status transition from obsolete to active.

Q: What is the difference between DFS and DBS supplier device packages?

A: DFS and DBS are supplier device package designations for the same 4-SMD Gull Wing physical package. Parts with DBS designation (DB107S-G, DB107S-HF, DB107S) are parametric equivalents to DFS-designated parts (DF10SP-HF, DF10S-HF, DF10S-E3/45, DF10SA-E3/45) and are mechanically and electrically interchangeable within the specified parameters.

Q: Are there performance differences between substitute parts from different manufacturers?

A: All substitute parts meet the critical electrical parameters (1 kV, 1 A, 1.1 V forward voltage, -55°C to 150°C operating range). Reverse leakage current varies: Comchip Technology parts maintain 10 µA specification; Taiwan Semiconductor Corporation parts (DBLS series) specify 2 µA; Vishay and Panjit parts specify 5 µA. Lower reverse leakage represents improved performance characteristics while remaining within acceptable substitution criteria.

Q: Which substitute part offers the best long-term availability?

A: DB107S from MDD and DF10S-E3/45 from Vishay General Semiconductor - Diodes Division show the highest inventory levels (44,552 Pcs and 35,300 Pcs respectively) among active products, indicating strong supply chain availability.

Q: Is DBLS107GHC1G suitable for automotive applications?

A: Yes. DBLS107GHC1G carries AEC-Q101 automotive qualification and active product status. It meets all electrical and mechanical parameters of the DF10SP-HF while providing automotive-grade certification.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts carry ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status, matching the compliance profile of the original DF10SP-HF.

Q: Can I use parts with different supplier device packages interchangeably?

A: Yes, within the constraints of your PCB layout and assembly process. All substitute parts maintain the same 4-SMD Gull Wing physical package and electrical specifications. Supplier device package designations (DFS, DBS, DBLS, SDIP) refer to internal supplier packaging formats and do not affect mechanical or electrical interchangeability.

Q: What is the significance of the -55°C to 150°C operating temperature range?

A: This temperature range defines the junction temperature (TJ) operating limits. All substitute parts maintain this identical range, ensuring thermal performance equivalence across all specified operating conditions.

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