DF01SP-HF Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DF01SP-HF is a single-phase bridge rectifier manufactured by Comchip Technology, rated for 100 V peak reverse voltage and 1 A average rectified current. This component is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing production and maintenance applications. The part is housed in a 4-SMD, Gull Wing surface mount package designated DFS.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	100 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing

Substitute Part Grouping Explanation

Substitution eligibility for the DF01SP-HF is determined by the following critical parameters:

Mandatory Matching Parameters:

Diode Type: Single Phase
Technology: Standard
Voltage - Peak Reverse (Max): 100 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A
Operating Temperature Range: -55°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing

All identified substitute parts meet these electrical and mechanical specifications. Variations in reverse leakage current and compliance certifications do not preclude functional equivalence within the specified parameter set.

Parameter Comparison

Parameter	DF01SP-HF (Main)	DF01S-HF	DBLS102G C1G	DBLS102GHC1G	DF01S-E3/45	DF01SA-E3/45
Manufacturer	Comchip Technology	Comchip Technology	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Product Status	Obsolete	Active	Active	Active	Active	Active
Diode Type	Single Phase	Single Phase	Single Phase	Single Phase	Single Phase	Single Phase
Technology	Standard	Standard	Standard	Standard	Standard	Standard
Voltage - Peak Reverse (Max)	100 V	100 V	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A
Current - Reverse Leakage @ Vr	10 µA @ 100 V	10 µA @ 100 V	2 µA @ 100 V	2 µA @ 100 V	5 µA @ 100 V	5 µA @ 100 V
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing
Supplier Device Package	DFS	DFS	DBLS	DBLS	DFS	DFS

Engineering Selection Recommendations

Primary Recommendation: DF01S-HF

The DF01S-HF is the manufacturer-recommended direct replacement for the obsolete DF01SP-HF. Both components are manufactured by Comchip Technology and share identical electrical specifications and package configuration. The DF01S-HF maintains active product status with 909 units in stock, ensuring supply chain continuity.

Secondary Recommendations: DF01S-E3/45 and DF01SA-E3/45

Both Vishay General Semiconductor parts (DF01S-E3/45 and DF01SA-E3/45) are parametric equivalents meeting all mandatory electrical and mechanical specifications. These components carry ROHS3 compliance and REACH unaffected status. Inventory availability is substantial at 5684 and 5669 units respectively. The reverse leakage current specification of 5 µA at 100 V is lower than the main part, representing improved performance characteristics.

Tertiary Recommendations: DBLS102G C1G and DBLS102GHC1G

Taiwan Semiconductor Corporation bridge rectifiers DBLS102G C1G and DBLS102GHC1G are parametric equivalents with identical electrical ratings and package specifications. The DBLS102GHC1G variant includes automotive-grade qualification (AEC-Q101) and is suitable for applications requiring automotive compliance. Both variants feature reverse leakage current of 2 µA at 100 V. Inventory levels are 1136 and 657 units respectively.

Frequently Asked Questions (FAQ)

Q: Can DF01S-HF directly replace DF01SP-HF without circuit modification?

A: Yes. The DF01S-HF is the manufacturer-recommended replacement with identical electrical specifications, forward voltage characteristics, and operating temperature range. No circuit modification is required.

Q: What is the difference between the Taiwan Semiconductor Corporation DBLS102G C1G and DBLS102GHC1G variants?

A: Both parts are parametric equivalents with identical electrical specifications. The DBLS102GHC1G includes automotive-grade qualification (AEC-Q101) and is designated for automotive applications. Selection depends on application requirements.

Q: Are the Vishay DF01S-E3/45 and DF01SA-E3/45 parts interchangeable?

A: Yes. Both Vishay parts are parametric equivalents with identical electrical specifications, forward voltage characteristics, and operating temperature range. Selection may be based on packaging preference (both supplied in Tube) or inventory availability.

Q: Does the lower reverse leakage current in substitute parts affect circuit performance?

A: Lower reverse leakage current represents improved performance characteristics. The substitute parts with 2 µA or 5 µA reverse leakage at 100 V will not negatively impact circuit operation in applications designed for the 10 µA specification of the original part.

Q: Are all substitute parts RoHS compliant?

A: The Vishay parts (DF01S-E3/45 and DF01SA-E3/45) and Taiwan Semiconductor Corporation parts (DBLS102G C1G and DBLS102GHC1G) carry ROHS3 compliance certification. The Comchip DF01S-HF compliance status is not specified in the provided parameters.

Q: What is the significance of the DFS versus DBLS package designation?

A: Both DFS and DBLS designations refer to the same physical package configuration: 4-SMD, Gull Wing surface mount. The designation difference reflects manufacturer-specific nomenclature and does not affect mechanical or electrical compatibility.

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