HDBLS103G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The HDBLS103G 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 4-SMD, Gull Wing packaging and is currently in active production status with 1424 units in stock.

Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles. Substitute parts must satisfy identical electrical performance parameters and mechanical compatibility requirements.

Substiute Parts

HDBLS103G

Taiwan Semiconductor CorporationIn Stock: 1461HDBLS103G Datasheet

Current PartRFQ

DB103S

Rectron USAIn Stock: 3208DB103S Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HDBLS103G are qualified based on the following critical parameters:

• Diode Type: Single Phase bridge rectifier configuration
• Voltage - Peak Reverse (Max): 200 V minimum rating
• Current - Average Rectified (Io): 1 A minimum rating
• Mounting Type: Surface Mount
• Package / Case: 4-SMD, Gull Wing form factor
• Operating Temperature Range: -55°C to 150°C (TJ)
• RoHS Compliance: ROHS3 Compliant
• Moisture Sensitivity Level: MSL 1 (Unlimited)

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes. Secondary parameters such as forward voltage and reverse leakage current may vary within acceptable design margins but do not disqualify substitution eligibility when primary electrical and mechanical specifications are satisfied.

Parameter Comparison

Engineering Selection Recommendations

The DB103S manufactured by Rectron USA qualifies as a direct parametric equivalent to the HDBLS103G. Both components satisfy identical electrical specifications for single-phase bridge rectification at 200 V and 1 A ratings, operate across the same temperature range, and are packaged in identical 4-SMD Gull Wing surface mount form factors.

Both parts maintain ROHS3 compliance and MSL 1 moisture sensitivity classification, ensuring compatibility with standard manufacturing and storage protocols. The DB103S demonstrates superior reverse leakage characteristics (1 µA versus 5 µA), which represents an operational advantage without introducing compatibility concerns.

Selection between these parts may be based on supply availability, lead time, cost considerations, or established supplier relationships. The DB103S currently maintains higher inventory levels (3100 units) compared to the HDBLS103G (1424 units), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the DB103S be used as a direct replacement for the HDBLS103G in existing designs?

A: Yes. The DB103S meets all critical electrical and mechanical specifications required for the HDBLS103G application. Both components are rated for 200 V peak reverse voltage, 1 A average rectified current, and utilize identical 4-SMD Gull Wing surface mount packaging. No circuit modifications are required.

Q: Are there differences in forward voltage characteristics between these parts?

A: The HDBLS103G specifies 1 V forward voltage at 2 A, while the DB103S specifies 1 V forward voltage at 1 A. Both values fall within acceptable operating margins for single-phase bridge rectifier applications. The DB103S measurement at lower current represents a more conservative specification.

Q: Do both parts require identical PCB footprints?

A: Yes. Both the HDBLS103G and DB103S utilize 4-SMD Gull Wing packaging, which requires identical PCB land patterns and solder reflow profiles. No layout modifications are necessary when substituting between these parts.

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

A: The DB103S exhibits lower reverse leakage current (1 µA) compared to the HDBLS103G (5 µA) at 200 V. Lower leakage current indicates superior reverse blocking performance and reduced power dissipation in standby conditions. This difference does not prevent substitution and may provide operational benefits.

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

A: Yes. Both the HDBLS103G and DB103S are rated for operating junction temperatures from -55°C to 150°C (TJ), making them suitable for industrial and automotive applications requiring extended temperature ranges.

Q: What compliance certifications apply to both parts?

A: Both components are ROHS3 compliant and classified as MSL 1 (Unlimited moisture sensitivity level). Both carry EAR99 export classification and are REACH unaffected, ensuring compliance with environmental and regulatory requirements across global markets.