MBR745 C0G Equivalent & Substitute Parts

Part Overview

The MBR745 C0G is a Schottky rectifier diode rated for 45 V DC reverse voltage and 7.5 A average rectified current in a Through Hole TO-220AC package. This component is designed for fast recovery applications with switching speeds ≤ 500 ns at currents > 200 mA. The MBR745 C0G variant listed as the main part number is currently discontinued at DiGi Electronics, creating a requirement to identify active equivalent components that maintain identical electrical and mechanical specifications for continued system support and procurement.

Substiute Parts

MBR745 C0G

Taiwan Semiconductor CorporationIn Stock: 962MBR745 C0G Datasheet

Current PartRFQ

MBR745

Taiwan Semiconductor CorporationIn Stock: 35551MBR745 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBR745 C0G is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Voltage - DC Reverse (Vr) (Max): 45 V
• Current - Average Rectified (Io): 7.5 A
• Technology: Schottky
• Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
• Current - Reverse Leakage @ Vr: 100 µA @ 45 V

Mechanical Specifications:

• Mounting Type: Through Hole
• Package / Case: TO-220-2
• Supplier Device Package: TO-220AC

Compliance & Environmental:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Operating Temperature - Junction: -55°C to 150°C

The direct manufacturer equivalent MBR745 from Taiwan Semiconductor Corporation meets all specified parameters and is currently in active production status with substantial inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The MBR745 (active variant) from Taiwan Semiconductor Corporation is the direct equivalent for the discontinued MBR745 C0G. This substitution is based on:

Product Status: The active MBR745 is in current production with 35,502 units in stock, whereas the MBR745 C0G is discontinued, making the active variant the only viable procurement option for new designs and ongoing system support.

Compliance Alignment: Both variants maintain identical RoHS3 compliance, REACH unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating, ensuring regulatory and environmental compatibility across supply chain transitions.

Electrical & Mechanical Equivalence: All critical parameters—45 V reverse voltage rating, 7.5 A average rectified current, fast recovery Schottky technology, TO-220-2 package, and -55°C to 150°C operating temperature range—are identical between the discontinued and active variants, confirming direct functional interchangeability.

For applications currently using the MBR745 C0G, direct substitution with the active MBR745 requires no circuit redesign or thermal management modifications.

Frequently Asked Questions (FAQ)

Q: Can the active MBR745 directly replace the discontinued MBR745 C0G in existing designs?

A: Yes. The active MBR745 is electrically and mechanically identical to the MBR745 C0G across all specified parameters, including voltage rating, current capacity, package type, and operating temperature range. Direct substitution is supported without circuit modification.

Q: What are the key electrical parameters that define substitution eligibility for the MBR745?

A: Substitution is determined by matching: 45 V DC reverse voltage rating, 7.5 A average rectified current, Schottky technology, fast recovery speed (≤ 500 ns at > 200 mA), and 100 µA reverse leakage current at 45 V. Any deviation in these parameters disqualifies a component as a direct equivalent.

Q: Are there any compliance or environmental differences between the discontinued and active MBR745 variants?

A: No. Both variants maintain identical RoHS3 compliance, REACH unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating. No additional handling, storage, or environmental controls are required when transitioning from the discontinued to the active variant.

Q: What is the significance of the TO-220AC package designation?

A: TO-220AC specifies a Through Hole TO-220-2 package with a specific lead configuration and thermal interface. This package designation ensures mechanical compatibility with existing PCB layouts, mounting hardware, and thermal management solutions designed for the MBR745 C0G.

Q: Is the forward voltage specification (840 mV @ 15 A) critical for substitution?

A: The forward voltage specification is a characteristic parameter of the MBR745 technology and manufacturing process. While this value is documented for the discontinued variant, it represents typical performance for Schottky diodes in this voltage and current class. Substitution is valid based on the matching of all specified electrical and mechanical parameters.