DB151-BP Bridge Rectifier Single Phase 50V 1.5A Equivalent & Substitute Parts

Part Overview

The DB151-BP is a single-phase bridge rectifier diode manufactured by Micro Commercial Co, designed for Through Hole mounting in 4-EDIP package configuration. This component operates at 50V peak reverse voltage with 1.5A average rectified current capacity and is classified as Not For New Designs by the manufacturer.

Due to the product status designation, identification of equivalent substitute parts with active manufacturing status and improved electrical characteristics is necessary for ongoing system support and new design considerations.

Substiute Parts

DB151-BP
Micro Commercial CoIn Stock: 765DB151-BP Datasheet
DB151-BP
Current Part
DB151G
GeneSiC SemiconductorIn Stock: 816DB151G Datasheet
DB151G
Parametric Equivalent

Key Parameters

Parameter Value Unit
Diode Type Single Phase
Technology Standard
Voltage - Peak Reverse (Max) 50 V
Current - Average Rectified (Io) 1.5 A
Voltage - Forward (Vf) (Max) @ If 1.1 V @ 1.5 A
Operating Temperature Range -55 to 150 °C (TJ)
Mounting Type Through Hole
Package / Case 4-EDIP (0.321", 8.15mm)

Substitute Part Grouping Explanation

Substitution of the DB151-BP is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Matching Parameters:

  • Diode Type: Single Phase
  • Technology: Standard
  • Voltage - Peak Reverse (Max): 50 V
  • Current - Average Rectified (Io): 1.5 A
  • Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1.5 A
  • Operating Temperature Range: -55°C to 150°C (TJ)
  • Mounting Type: Through Hole
  • Package / Case: 4-EDIP (0.321", 8.15mm)

The DB151G manufactured by GeneSiC Semiconductor meets all critical electrical parameters and maintains identical mechanical compatibility. This substitute demonstrates improved reverse leakage characteristics and active product status.

Parameter Comparison

Parameter DB151-BP (Micro Commercial Co) DB151G (GeneSiC Semiconductor) Match Status
Diode Type Single Phase Single Phase Equivalent
Technology Standard Standard Equivalent
Voltage - Peak Reverse (Max) 50 V 50 V Equivalent
Current - Average Rectified (Io) 1.5 A 1.5 A Equivalent
Voltage - Forward (Vf) (Max) @ If 1.1 V @ 1.5 A 1.1 V @ 1.5 A Equivalent
Current - Reverse Leakage @ Vr 10 µA @ 50 V 5 µA @ 50 V Improved
Operating Temperature Range -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) Equivalent
Mounting Type Through Hole Through Hole Equivalent
Package / Case 4-EDIP (0.321", 8.15mm) 4-EDIP (0.321", 8.15mm) Equivalent
Product Status Not For New Designs Active Improved
RoHS Status Not specified RoHS Compliant Improved

Engineering Selection Recommendations

DB151G Selection Basis:

The DB151G qualifies as a direct parametric equivalent to the DB151-BP based on matching electrical ratings and mechanical compatibility. Selection of DB151G is supported by the following factors:

  1. Product Status: DB151G maintains Active product status, ensuring continued manufacturing availability and supply chain stability, contrasting with the DB151-BP Not For New Designs designation.

  2. Compliance: DB151G carries RoHS Compliant certification and Moisture Sensitivity Level (MSL) 1 rating, providing enhanced environmental and regulatory compliance documentation.

  3. Electrical Performance: Reverse leakage current of 5 µA @ 50 V in DB151G represents improved performance relative to the 10 µA @ 50 V specification of DB151-BP, while maintaining all other electrical parameters at specification equivalence.

  4. Regulatory Classification: Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications, confirming trade compliance alignment.

Frequently Asked Questions (FAQ)

Q: Can DB151G be used as a direct replacement for DB151-BP in existing applications?

A: Yes. DB151G meets all critical electrical parameters (50V peak reverse voltage, 1.5A average rectified current, 1.1V forward voltage) and maintains identical Through Hole mounting in 4-EDIP package configuration. Mechanical and electrical compatibility is confirmed.

Q: What is the significance of the improved reverse leakage current in DB151G?

A: The DB151G reverse leakage specification of 5 µA @ 50 V, compared to 10 µA @ 50 V in DB151-BP, indicates lower parasitic current flow in reverse bias condition. This represents improved device performance within the same voltage and current rating class.

Q: Why is DB151-BP marked as Not For New Designs?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative components for new circuit designs. DB151G serves as the active equivalent for ongoing and new applications.

Q: Are there package or pinout differences between DB151-BP and DB151G?

A: No. Both components use identical 4-EDIP (0.321", 8.15mm) package configuration with Through Hole mounting, ensuring direct mechanical and electrical compatibility without PCB modification.

Q: What compliance advantages does DB151G provide?

A: DB151G carries RoHS Compliant certification and MSL 1 rating, providing documented environmental compliance and moisture handling specifications. These certifications support regulatory requirements in restricted substance and reliability applications.

Q: Can DB151G be used in temperature-critical applications?

A: Yes. DB151G maintains the full operating temperature range of -55°C to 150°C (TJ), identical to DB151-BP, supporting applications across extended temperature environments.

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