DBLS103GHC1G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DBLS103GHC1G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation, rated for 200 V peak reverse voltage and 1 A average rectified current. This component is designed for surface mount applications in automotive-grade applications and maintains Active product status. Bridge rectifiers of this specification are essential in power supply circuits requiring AC-to-DC conversion with standardized electrical performance across multiple sourcing channels.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	200 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the DBLS103GHC1G is determined by strict equivalence across the following critical parameters:

Voltage Rating: Peak reverse voltage of 200 V (maximum)
Current Rating: Average rectified current of 1 A
Forward Voltage Drop: Maximum 1.1 V at 1 A operating current
Diode Configuration: Single-phase bridge rectifier topology
Mounting Technology: Surface mount with 4-SMD, Gull Wing package geometry
Operating Temperature Range: -55°C to 150°C junction temperature capability
Regulatory Compliance: ROHS3 compliance and MSL Level 1 rating

The substitute part DF02S-E3/45 meets all these electrical and mechanical parameters, enabling direct functional replacement in circuit applications.

Parameter Comparison

Parameter	DBLS103GHC1G (Taiwan Semiconductor)	DF02S-E3/45 (Vishay)	Match Status
Diode Type	Single Phase	Single Phase	Equivalent
Technology	Standard	Standard	Equivalent
Voltage - Peak Reverse (Max)	200 V	200 V	Equivalent
Current - Average Rectified (Io)	1 A	1 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	Equivalent
Current - Reverse Leakage @ Vr	2 µA @ 200 V	5 µA @ 200 V	Within Tolerance
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Equivalent

Engineering Selection Recommendations

Both the DBLS103GHC1G and DF02S-E3/45 maintain Active product status and satisfy ROHS3 compliance requirements. The DF02S-E3/45 is manufactured by Vishay General Semiconductor - Diodes Division and is supplied in Tube packaging with higher inventory availability (3480 Pcs versus 841 Pcs for the primary part).

The reverse leakage current specification for the DF02S-E3/45 is 5 µA at 200 V, compared to 2 µA for the DBLS103GHC1G. This difference remains within acceptable tolerance for standard bridge rectifier applications and does not impact functional equivalence for typical power supply circuits.

Selection between these parts should be based on availability, lead time, packaging requirements, and supplier logistics rather than electrical performance differentiation.

Frequently Asked Questions (FAQ)

Q: Can the DF02S-E3/45 be used as a direct replacement for the DBLS103GHC1G?

A: Yes. Both components share identical voltage ratings (200 V peak reverse), current ratings (1 A average rectified), forward voltage characteristics (1.1 V @ 1 A), operating temperature range (-55°C to 150°C), and package geometry (4-SMD, Gull Wing). The components are electrically and mechanically interchangeable.

Q: What is the significance of the reverse leakage current difference?

A: The DF02S-E3/45 specifies 5 µA reverse leakage at 200 V, while the DBLS103GHC1G specifies 2 µA. This difference is within normal manufacturing tolerance for standard bridge rectifier technology and does not affect circuit performance in typical AC-to-DC conversion applications.

Q: Are there packaging differences between these parts?

A: Both components use identical 4-SMD, Gull Wing surface mount packages. The DBLS103GHC1G is supplied in standard packaging, while the DF02S-E3/45 is supplied in Tube packaging. This distinction affects handling and storage procedures but not electrical or mechanical compatibility.

Q: Do both parts meet automotive qualification requirements?

A: The DBLS103GHC1G carries automotive-grade designation with AEC-Q101 qualification. The DF02S-E3/45 specifications provided do not explicitly reference automotive qualification. Verification of automotive suitability for the DF02S-E3/45 should be confirmed through the manufacturer's documentation if automotive-grade compliance is a circuit requirement.

Q: What regulatory compliance applies to both parts?

A: Both the DBLS103GHC1G and DF02S-E3/45 are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Both carry Moisture Sensitivity Level 1 (Unlimited) rating, indicating no special moisture handling requirements during storage or assembly.

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