DF01S-G Bridge Rectifier Single Phase 100V 1A Equivalent & Substitute Parts

Part Overview

The DF01S-G is a single-phase bridge rectifier manufactured by Comchip Technology, rated for 100V peak reverse voltage and 1A average rectified current in a 4-SMD surface mount package. The product is currently obsolete, making identification of equivalent and substitute components necessary for ongoing design support, maintenance, and production continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives within the same application category.

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	-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

Substitution eligibility for the DF01S-G is determined by the following critical parameters:

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

All identified substitute parts meet or exceed these specifications. Variations in reverse leakage current and manufacturer qualifications do not affect functional substitution within the specified electrical and thermal operating envelope.

Parameter Comparison

Parameter	DF01S-G (Comchip)	DF01S-HF (Comchip)	DBLS102G C1G (TSC)	DBLS102GHC1G (TSC)	DF01S-E3/45 (Vishay)	DF01SA-E3/45 (Vishay)
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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Recommendation: DF01S-HF (Comchip Technology)

The DF01S-HF is the manufacturer-recommended substitute from Comchip Technology. It maintains identical electrical specifications and package configuration as the DF01S-G while offering active product status and current manufacturing support. This part is suitable for direct replacement in existing designs.

Secondary Recommendations: DBLS102G C1G and DBLS102GHC1G (Taiwan Semiconductor Corporation)

Both Taiwan Semiconductor Corporation parts are parametric equivalents with superior reverse leakage characteristics (2 µA vs. 10 µA). The DBLS102GHC1G includes AEC-Q101 automotive qualification, making it appropriate for applications requiring automotive-grade components. Both parts maintain full electrical and thermal compatibility.

Tertiary Recommendations: DF01S-E3/45 and DF01SA-E3/45 (Vishay General Semiconductor - Diodes Division)

Both Vishay parts are parametric equivalents with reverse leakage of 5 µA. These components are available in tube packaging and maintain full compatibility with the original specification envelope. Selection between these options depends on packaging and supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can DF01S-HF directly replace DF01S-G in existing PCB designs?

A: Yes. The DF01S-HF maintains identical electrical ratings (100V, 1A), forward voltage characteristics (1.1V @ 1A), operating temperature range (-55°C to 150°C), and 4-SMD Gull Wing package configuration. No circuit modifications are required.

Q: What is the significance of reverse leakage current differences among the substitute parts?

A: Reverse leakage current variations (2 µA to 10 µA at 100V) remain within acceptable operating margins for standard bridge rectifier applications. Selection based on leakage performance is application-dependent and does not affect functional substitution within the specified electrical envelope.

Q: Are the Taiwan Semiconductor Corporation parts suitable for automotive applications?

A: The DBLS102GHC1G carries AEC-Q101 automotive qualification. The DBLS102G C1G does not include automotive qualification. Selection should align with application requirements and quality standards.

Q: What packaging options are available among the substitute parts?

A: The Comchip and Taiwan Semiconductor parts are supplied in standard packaging configurations. The Vishay parts (DF01S-E3/45 and DF01SA-E3/45) are available in tube packaging. Packaging selection depends on assembly and supply chain requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, consistent with the original DF01S-G specification.

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