DBL154G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DBL154G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation, designed for standard 400 V applications with 1.5 A average rectified current capacity. This component is classified as an active product and is RoHS3 compliant. Bridge rectifiers serve as essential power conversion components in AC-to-DC conversion circuits, and alternative equivalent parts may be required due to inventory availability, supply chain considerations, or specific application requirements such as automotive qualification.

Substiute Parts

DBL154G

Taiwan Semiconductor CorporationIn Stock: 862DBL154G Datasheet

Current PartRFQ

DBL154GH

Taiwan Semiconductor CorporationIn Stock: 5977DBL154GH Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DBL154G is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications for voltage rating, current capacity, forward voltage characteristics, reverse leakage current, operating temperature range, and physical package dimensions. The DBL154GH qualifies as a parametric equivalent based on these criteria. Both parts share the same base product number (DBL154), manufacturer (Taiwan Semiconductor Corporation), package type (4-DIP), and all electrical performance characteristics. The primary distinction between these parts is the automotive-grade qualification and AEC-Q101 certification of the DBL154GH, which represents an enhanced qualification level rather than a functional difference in the core bridge rectifier circuit.

Parameter Comparison

Engineering Selection Recommendations

The DBL154G and DBL154GH are electrically and mechanically equivalent bridge rectifiers suitable for direct substitution in 400 V, 1.5 A single-phase rectification applications. Both parts maintain identical electrical performance characteristics and physical package specifications, ensuring functional interchangeability in circuit designs.

Selection between these parts should be based on application requirements and compliance mandates. The DBL154G is appropriate for general industrial and consumer applications requiring standard bridge rectifier functionality. The DBL154GH is specified for applications requiring automotive-grade components with AEC-Q101 qualification, which establishes enhanced reliability and quality assurance standards for automotive environments.

Both parts are RoHS3 compliant and carry unlimited moisture sensitivity classification (MSL 1), indicating no special handling requirements during storage or assembly. The through-hole 4-DIP package format ensures compatibility with standard PCB mounting processes and legacy circuit board designs.

Frequently Asked Questions (FAQ)

Q: Can DBL154GH be used as a direct replacement for DBL154G?

A: Yes. The DBL154GH is a parametric equivalent with identical electrical specifications (400 V peak reverse voltage, 1.5 A average rectified current, 1.1 V forward voltage, 2 µA reverse leakage) and physical package dimensions (4-DIP, 0.300" spacing). Direct substitution is supported without circuit modification.

Q: What is the difference between DBL154G and DBL154GH?

A: The primary difference is qualification level. The DBL154GH carries AEC-Q101 automotive-grade certification, indicating compliance with automotive industry reliability and quality standards. The electrical and mechanical specifications are identical.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both DBL154G and DBL154GH operate across the temperature range of -55°C to 150°C (junction temperature), supporting applications requiring extended thermal operating windows.

Q: What is the package type for these bridge rectifiers?

A: Both parts use a 4-DIP (Dual In-line Package) with 0.300" (7.62mm) lead spacing, designed for through-hole PCB mounting.

Q: Are there any moisture sensitivity concerns with these parts?

A: No. Both parts carry Moisture Sensitivity Level (MSL) 1 classification, indicating unlimited shelf life and no special moisture control requirements during storage or assembly.

Q: Are these parts RoHS compliant?

A: Yes. Both DBL154G and DBL154GH are RoHS3 compliant, meeting environmental and hazardous substance restrictions.

Q: Which part should be selected for automotive applications?

A: The DBL154GH is specified for automotive applications due to its AEC-Q101 qualification. The DBL154G is suitable for non-automotive industrial and consumer applications.