MBRB1080-TP Equivalent & Substitute Parts

Part Overview

The MBRB1080-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 80 V DC reverse voltage and 10 A average rectified current in a surface mount D2PAK package. This component is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Substiute Parts

MBRB1080-TP

Micro Commercial CoIn Stock: 761MBRB1080-TP Datasheet

Current PartRFQ

MBRB10100-TP

Micro Commercial CoIn Stock: 992MBRB10100-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBRB1080-TP is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Voltage - DC Reverse (Vr) rating must equal or exceed 80 V
• Current - Average Rectified (Io) must equal or exceed 10 A
• Voltage - Forward (Vf) characteristics must remain within acceptable operating margins
• Technology type must be Schottky to maintain switching speed and thermal characteristics
• Recovery speed classification must be Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Compatibility Criteria:

• Mounting type must be Surface Mount
• Package / Case must be TO-263-3, D2PAK (2 Leads + Tab), or TO-263AB equivalent
• Pin configuration must support direct PCB layout compatibility

The MBRB10100-TP qualifies as a substitute part because it maintains all critical electrical parameters at equal or superior ratings while preserving identical mechanical packaging and mounting characteristics.

Parameter Comparison

Engineering Selection Recommendations

MBRB10100-TP is the qualified substitute for MBRB1080-TP based on the following factors:

Product Status Advantage: The MBRB10100-TP carries Active product status, ensuring continued manufacturing availability and supply chain reliability. The MBRB1080-TP is classified as Obsolete, creating long-term sourcing risk.

Electrical Performance: The MBRB10100-TP provides superior voltage rating (100 V versus 80 V) while maintaining identical current capacity, forward voltage characteristics, and recovery speed specifications. This higher voltage rating provides additional design margin without compromising circuit performance.

Compliance and Certifications: The MBRB10100-TP is RoHS3 Compliant with Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating superior environmental compliance and handling flexibility compared to the obsolete main part. Both parts share identical REACH Unaffected and EAR99 ECCN classifications.

Mechanical Compatibility: Both parts utilize identical D2PAK surface mount packaging, enabling direct PCB layout compatibility without redesign requirements.

Temperature Operating Range: The MBRB10100-TP operating temperature range (-65°C ~ 125°C) is narrower than the main part (-65°C ~ 150°C). This difference is acceptable for applications not requiring operation above 125°C junction temperature.

Frequently Asked Questions (FAQ)

Q: Can MBRB10100-TP directly replace MBRB1080-TP in existing designs?

A: Yes. The MBRB10100-TP is mechanically and electrically compatible for direct substitution. Identical D2PAK packaging permits direct PCB placement without layout modification. The higher voltage rating (100 V) provides additional design margin while maintaining all other electrical specifications.

Q: What is the primary difference between these two parts?

A: The primary difference is the maximum DC reverse voltage rating: MBRB1080-TP is rated 80 V, while MBRB10100-TP is rated 100 V. Both parts share identical current capacity (10 A), forward voltage characteristics (850 mV @ 10 A), and recovery speed specifications.

Q: Why is MBRB1080-TP classified as obsolete?

A: Product status is determined by manufacturer production decisions. The MBRB10100-TP represents the active equivalent in the product line, offering superior voltage rating and continued manufacturing support.

Q: Are there any thermal considerations when substituting these parts?

A: The MBRB10100-TP has a maximum junction temperature of 125°C compared to 150°C for the MBRB1080-TP. Applications requiring sustained operation above 125°C junction temperature require thermal analysis. For standard applications operating within -65°C to 125°C range, no thermal derating is necessary.

Q: Does the higher voltage rating of MBRB10100-TP affect circuit performance?

A: No. Higher voltage rating does not degrade circuit performance. The substitute maintains identical forward voltage drop (850 mV @ 10 A), recovery speed (≤ 500ns), and reverse leakage characteristics. The higher voltage rating provides additional safety margin against voltage transients and overstress conditions.

Q: What packaging considerations apply to this substitution?

A: Both parts use identical TO-263-3 D2PAK surface mount packaging with 2 leads plus tab configuration. No PCB layout, footprint, or assembly process modifications are required.

Q: Is the MBRB10100-TP RoHS compliant?

A: Yes. The MBRB10100-TP is RoHS3 Compliant with Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating full environmental compliance and unrestricted handling conditions.