ABS15M Bridge Rectifier Equivalent & Substitute Parts

Part Overview

The ABS15M is a single-phase bridge rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 1 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 packaged in a 4-SMD Gull Wing configuration. The part maintains Active product status and holds ROHS3 compliance with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when design specifications permit higher current ratings or enhanced performance characteristics.

Substiute Parts

ABS15M REG

Taiwan Semiconductor CorporationIn Stock: 762ABS15M REG Datasheet

Current PartRFQ

ABS15M

Diotec SemiconductorIn Stock: 1103ABS15M Datasheet

Parametric EquivalentRFQ

ABS15MH

Taiwan Semiconductor CorporationIn Stock: 5799ABS15MH Datasheet

Parametric EquivalentRFQ

DB157S

MDDIn Stock: 10239DB157S Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ABS15M bridge rectifier are identified based on strict parametric alignment within the following critical criteria:

Primary Substitution Criteria:

• Diode Type: Single Phase
• Technology: Standard
• Voltage - Peak Reverse (Max): 1 kV
• Mounting Type: Surface Mount
• Package / Case: 4-SMD, Gull Wing
• RoHS Status: ROHS3 Compliant
• Operating Temperature Range: Minimum -55°C to 150°C

Secondary Compatibility Parameters:

• Current - Average Rectified (Io): 1.5 A or higher
• Voltage - Forward (Vf) (Max): 1 V or lower at rated current
• Current - Reverse Leakage @ Vr: 5 µA or lower at 1000 V

All identified substitutes meet or exceed the primary criteria. Variations in secondary parameters indicate enhanced performance characteristics that maintain full backward compatibility with the ABS15M in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

ABS15M (Diotec Semiconductor)

This substitute offers identical package and mounting specifications with enhanced current rating of 2 A, providing increased design margin in applications requiring higher rectified current capacity. Forward voltage is marginally elevated at 1.1 V compared to 1 V at the rated current. Operating temperature minimum is -50°C, which is 5°C higher than the primary part. This part is suitable for applications where the higher current rating provides system-level benefits and the reduced low-temperature performance does not conflict with end-use requirements.

ABS15MH (Taiwan Semiconductor Corporation)

This substitute is manufactured by the same supplier as the primary ABS15M and maintains identical electrical specifications and temperature range (-55°C to 150°C). The ABS15MH carries automotive-grade qualification (AEC-Q101) and is designated for automotive applications. This part is a direct functional equivalent with enhanced reliability certification. Selection is appropriate when automotive-grade components are required or when procurement from the original manufacturer is preferred.

DB157S (MDD)

This substitute maintains all critical parameters including 1.5 A current rating, 1 kV voltage rating, and full temperature range (-55°C to 150°C). The DB157S demonstrates superior reverse leakage performance at 1 µA compared to 5 µA in the primary part, indicating enhanced blocking characteristics. This part is suitable for applications where lower leakage current provides performance advantages or when MDD component sourcing is preferred.

Frequently Asked Questions (FAQ)

Q: Can the ABS15M be replaced with the Diotec ABS15M without circuit modification?

A: Yes. Both parts share identical package, mounting type, and voltage rating. The Diotec version supports higher current (2 A versus 1.5 A), making it a direct substitute. The marginal increase in forward voltage (1.1 V versus 1 V) is within typical circuit tolerance margins for bridge rectifier applications.

Q: What is the difference between ABS15M and ABS15MH?

A: The ABS15MH is an automotive-grade variant of the ABS15M, both manufactured by Taiwan Semiconductor Corporation. Electrical specifications are identical. The ABS15MH carries AEC-Q101 automotive qualification, making it suitable for automotive applications where this certification is required. Both parts are interchangeable in non-automotive applications.

Q: Is the DB157S compatible with the ABS15M in all applications?

A: Yes. The DB157S meets all critical substitution parameters: 1 kV voltage rating, 1.5 A current rating, 4-SMD Gull Wing package, and -55°C to 150°C operating range. The DB157S exhibits lower reverse leakage (1 µA versus 5 µA), which is a performance enhancement. No circuit modifications are required.

Q: What is the impact of the -50°C minimum operating temperature on the Diotec ABS15M?

A: The Diotec variant operates from -50°C to 150°C, compared to -55°C to 150°C for the primary part. This represents a 5°C reduction in low-temperature performance. Selection of this part is appropriate only when the application does not require operation below -50°C.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitutes (ABS15M from Diotec, ABS15MH from TSC, and DB157S from MDD) are ROHS3 compliant and REACH unaffected, matching the compliance profile of the primary ABS15M.

Q: Can the higher current rating of the Diotec ABS15M (2 A) cause issues in a circuit designed for 1.5 A?

A: No. A component rated for higher current is suitable for lower-current applications. The 2 A rating indicates the component can safely handle up to 2 A; operation at 1.5 A or below presents no adverse effects. This provides additional design margin and thermal headroom.

Q: What packaging format do all these bridge rectifiers use?

A: All four parts use 4-SMD (Surface Mount Device) Gull Wing package configuration, ensuring identical PCB footprint and reflow soldering compatibility. No layout or assembly modifications are required when substituting between these parts.