DBLS158G Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The DBLS158G is a single-phase bridge rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 1.2 kV peak reverse voltage and 1.5 A average rectified current. This surface mount component operates across a temperature range of -55°C to 150°C and is designed for standard industrial applications requiring AC-to-DC conversion in compact form factors.

The DBLS158G maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across all critical parameters, enabling seamless integration into existing designs without circuit redesign.

Substiute Parts

DBLS158G

Taiwan Semiconductor CorporationIn Stock: 896DBLS158G Datasheet

Current PartRFQ

DBLS158GH

Taiwan Semiconductor CorporationIn Stock: 3866DBLS158GH Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DBLS158G are identified based on strict electrical and mechanical parameter equivalence. The following criteria determine substitution eligibility:

Electrical Parameters (Must Match Exactly):

• Voltage - Peak Reverse (Max): 1.2 kV
• Current - Average Rectified (Io): 1.5 A
• Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 1.5 A
• Current - Reverse Leakage @ Vr: 2 µA @ 1200 V
• Operating Temperature Range: -55°C to 150°C (TJ)
• Diode Type: Single Phase
• Technology: Standard

Mechanical Parameters (Must Match Exactly):

• Mounting Type: Surface Mount
• Package / Case: 4-SMD, Gull Wing
• Supplier Device Package: DBLS

Compliance Parameters (Must Match or Exceed):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting all electrical, mechanical, and compliance criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The DBLS158GH is a direct parametric equivalent to the DBLS158G, maintaining identical electrical performance and mechanical compatibility across all critical specifications. Both components are manufactured by Taiwan Semiconductor Corporation and share the same base product number (DBLS158).

Selection Basis:

The DBLS158GH provides equivalent functionality for applications currently using the DBLS158G. The substitute part maintains:

• Identical voltage and current ratings
• Identical forward voltage characteristics
• Identical reverse leakage specifications
• Identical operating temperature range
• Identical surface mount package configuration
• Identical RoHS3 compliance and MSL rating

The DBLS158GH carries Automotive grade qualification (AEC-Q101), indicating enhanced reliability screening and qualification for automotive applications. This qualification does not alter electrical or mechanical parameters but represents additional process validation. Selection between DBLS158G and DBLS158GH depends on application requirements and supply chain availability, as both components are Active and in stock.

Frequently Asked Questions (FAQ)

Q: Can DBLS158GH replace DBLS158G in existing designs?

A: Yes. The DBLS158GH is a parametric equivalent with identical electrical ratings (1.2 kV, 1.5 A), forward voltage characteristics (1.25 V @ 1.5 A), reverse leakage (2 µA @ 1200 V), and operating temperature range (-55°C to 150°C). Both components use identical 4-SMD Gull Wing surface mount packaging and are RoHS3 compliant with MSL 1 rating. No circuit redesign or PCB layout modification is required.

Q: What is the difference between DBLS158G and DBLS158GH?

A: Both parts are electrically and mechanically identical. The DBLS158GH carries Automotive grade designation with AEC-Q101 qualification, indicating enhanced reliability screening suitable for automotive applications. The DBLS158G is standard grade. This qualification difference does not affect electrical performance or mechanical compatibility.

Q: Are both parts available in the same packaging format?

A: Yes. Both DBLS158G and DBLS158GH are supplied in Tape & Reel (TR) packaging with 4-SMD Gull Wing surface mount configuration. They are compatible with identical pick-and-place equipment and reflow soldering processes.

Q: What compliance certifications apply to both parts?

A: Both DBLS158G and DBLS158GH are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Both maintain Moisture Sensitivity Level 1 (Unlimited), requiring no special moisture control during storage or handling. The DBLS158GH additionally carries AEC-Q101 automotive qualification.

Q: Can I use DBLS158GH in non-automotive applications?

A: Yes. The DBLS158GH is a direct parametric equivalent suitable for any application requiring a 1.2 kV, 1.5 A single-phase bridge rectifier. Automotive qualification does not restrict use in standard industrial or consumer applications.

Q: What is the inventory status for these parts?

A: DBLS158G has 825 pieces in stock. DBLS158GH has 3763 pieces in stock. Both are listed as Active products with new original inventory available.