DBLS101GHC1G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DBLS101GHC1G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications. This component operates at 50 V peak reverse voltage with 1 A average rectified current and is qualified to AEC-Q101 automotive standards. The part is currently in active production status with 1,087 units in stock.

Substitute parts are identified based on matching electrical performance parameters and mechanical compatibility. Alternative components maintain identical voltage and current ratings, forward voltage characteristics, and thermal operating ranges, enabling direct functional replacement in circuit designs.

Key Parameters

Parameter	Value	Unit
Diode Type	Single Phase	—
Technology	Standard	—
Voltage - Peak Reverse (Max)	50	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 1 A
Operating Temperature Range	-55 to 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

Substitute parts for the DBLS101GHC1G are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Peak Reverse (Max): 50 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A
Operating Temperature Range: -55°C to 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing
Diode Type: Single Phase
Technology: Standard

All identified substitute parts maintain these core electrical specifications and physical form factor requirements. Variations in reverse leakage current do not affect functional substitution within the specified operating parameters. Differences in product status and manufacturer do not impact electrical compatibility.

Parameter Comparison

Parameter	DBLS101GHC1G (Taiwan Semiconductor)	DB101S-G (Comchip)	DF005S-E3/45 (Vishay)	DF005S-G (Comchip)
Voltage - Peak Reverse (Max)	50 V	50 V	50 V	50 V
Current - Average Rectified (Io)	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
Current - Reverse Leakage @ Vr	2 µA @ 50 V	10 µA @ 50 V	5 µA @ 50 V	10 µA @ 50 V
Operating Temperature	-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
Package / Case	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
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Obsolete	Active	Obsolete

Engineering Selection Recommendations

Primary Selection (Active Status): The DBLS101GHC1G remains the preferred component for new designs due to active production status and automotive AEC-Q101 qualification. The DF005S-E3/45 manufactured by Vishay General Semiconductor - Diodes Division is an active alternative with identical electrical specifications and full compliance certifications.

Secondary Selection (Obsolete Status): The DB101S-G and DF005S-G are classified as obsolete products. These components maintain electrical compatibility with the DBLS101GHC1G but are no longer in active production. Selection of obsolete parts is appropriate only when existing inventory is available and design refresh timelines permit.

Compliance Considerations: All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited) moisture sensitivity rating, and REACH Unaffected status. No compliance barriers exist for substitution across all identified alternatives.

Frequently Asked Questions (FAQ)

Q: Can the DB101S-G replace the DBLS101GHC1G in production designs?

A: The DB101S-G provides electrical equivalence with matching voltage, current, and thermal specifications. However, the DB101S-G is classified as obsolete. New production designs should utilize active-status alternatives such as the DF005S-E3/45 to ensure long-term supply availability.

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

A: Reverse leakage current values (2 µA, 5 µA, and 10 µA) remain within acceptable operating parameters for bridge rectifier applications. These variations do not affect functional substitution or circuit performance within the specified 50 V peak reverse voltage rating.

Q: Are all substitute parts compatible with the same PCB footprint?

A: All substitute parts utilize the 4-SMD, Gull Wing package configuration. Physical footprint compatibility is maintained across the DBLS101GHC1G, DB101S-G, DF005S-E3/45, and DF005S-G. No PCB redesign is required for substitution.

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

A: The DF005S-E3/45 manufactured by Vishay is classified as active production status with 5,644 units in current inventory. This part provides the highest assurance of continued availability for future procurement requirements.

Q: Do all substitute parts meet automotive qualification standards?

A: The DBLS101GHC1G carries AEC-Q101 automotive qualification. The substitute parts provided do not explicitly list automotive qualification in the supplied parameters. Automotive-specific applications should confirm qualification requirements with component manufacturers.

Q: Is the DBLS101GHC1G suitable for new design implementations?

A: The DBLS101GHC1G is in active production status with full AEC-Q101 automotive qualification and 1,087 units in stock. This component is suitable for new design implementations requiring automotive-grade bridge rectifiers.

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