MBR3045CTF-E1 Equivalent & Substitute Parts

Part Overview

The MBR3045CTF-E1 is a Schottky diode array manufactured by Diodes Incorporated, configured as 1 pair common cathode with a maximum reverse voltage of 45 V and average rectified current of 15 A per diode. The device is packaged in TO-220-3 Full Pack and is currently in active product status. This component is suitable for applications requiring fast recovery rectification in power conversion circuits.

Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility. Alternative components may be required due to supply chain considerations, manufacturing availability, or design optimization within the specified parameter ranges.

Substiute Parts

MBR3045CTF-E1

Diodes IncorporatedIn Stock: 1956MBR3045CTF-E1 Datasheet

Current PartRFQ

MBRF2045CTG

onsemiIn Stock: 15781MBRF2045CTG Datasheet

MFR RecommendedRFQ

FYPF1545DNTU

onsemiIn Stock: 8059FYPF1545DNTU Datasheet

Parametric EquivalentRFQ

MBR3045FCT_T0_00001

Panjit International Inc.In Stock: 2214MBR3045FCT_T0_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MBR3045CTF-E1 are classified into two categories based on electrical parameter alignment:

Manufacturer Recommended Substitute (Current Availability): The MBRF2045CTG is designated as the manufacturer-recommended substitute. This part maintains the same reverse voltage rating (45 V), common cathode configuration, Schottky technology, and through-hole TO-220-3 packaging. However, the average rectified current is reduced to 10 A per diode, representing a downrating in current capacity. This part is suitable for applications where the 15 A specification is not required.

Parametric Equivalents (Full Specification Match): The FYPF1545DNTU and MBR3045FCT_T0_00001 are parametric equivalents that match all critical electrical specifications of the MBR3045CTF-E1: 45 V reverse voltage, 15 A average rectified current per diode, 700 mV forward voltage drop at 15 A, fast recovery speed, and TO-220-3 Full Pack packaging. These parts are direct functional replacements with identical electrical performance.

Substitution eligibility is determined by the following parameters:

• Voltage - DC Reverse (Vr) (Max): Must equal or exceed 45 V
• Current - Average Rectified (Io) (per Diode): Must equal or exceed 15 A
• Diode Configuration: Must be 1 Pair Common Cathode
• Technology: Must be Schottky
• Package / Case: Must be TO-220-3 Full Pack
• Mounting Type: Must be Through Hole

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: MBR3045CTF-E1 The MBR3045CTF-E1 is the recommended primary component for new designs. It maintains active product status with Diodes Incorporated, ensuring long-term availability and supply chain stability. The part is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Secondary Selection: MBR3045FCT_T0_00001 The MBR3045FCT_T0_00001 manufactured by Panjit International Inc. is a parametric equivalent suitable for direct substitution. This part is in active product status and provides identical electrical specifications to the main part, including 15 A average rectified current and 700 mV forward voltage drop at 15 A. The part is ROHS3 compliant and REACH unaffected. The operating temperature range extends to 175 °C, providing enhanced thermal performance compared to the main part.

Tertiary Selection: FYPF1545DNTU The FYPF1545DNTU manufactured by onsemi is a parametric equivalent with identical electrical specifications. However, this part is in obsolete product status, indicating discontinued manufacturing and potential supply constraints. Selection of this part is appropriate only when existing inventory is available and long-term supply is not a requirement. The part is ROHS3 compliant and REACH unaffected.

Alternative Selection: MBRF2045CTG The MBRF2045CTG is the manufacturer-recommended substitute from onsemi. This part is suitable only for applications where the average rectified current requirement is 10 A or less. The part is in obsolete product status. The forward voltage drop is reduced to 570 mV at 10 A, and the operating temperature range extends to 175 °C. Selection of this part represents a downrating in current capacity and is appropriate only when current requirements are confirmed to be within the 10 A specification.

Frequently Asked Questions (FAQ)

Q: Can the MBRF2045CTG be used as a direct replacement for the MBR3045CTF-E1?

A: The MBRF2045CTG is not a direct replacement. While both parts share the same 45 V reverse voltage rating, common cathode configuration, Schottky technology, and TO-220-3 packaging, the MBRF2045CTG is rated for 10 A average rectified current per diode, compared to 15 A for the MBR3045CTF-E1. Selection of the MBRF2045CTG is appropriate only for applications where the current requirement does not exceed 10 A per diode.

Q: What is the difference between the parametric equivalents FYPF1545DNTU and MBR3045FCT_T0_00001?

A: Both parts are parametric equivalents with identical electrical specifications: 45 V reverse voltage, 15 A average rectified current per diode, 700 mV forward voltage drop at 15 A, and fast recovery speed. The primary difference is manufacturer: FYPF1545DNTU is manufactured by onsemi and is in obsolete product status, while MBR3045FCT_T0_00001 is manufactured by Panjit International Inc. and is in active product status. The MBR3045FCT_T0_00001 is preferred for new designs due to active status and long-term availability.

Q: Are all substitute parts packaged in TO-220-3 Full Pack?

A: All substitute parts identified in this reference are packaged in TO-220-3 Full Pack with through-hole mounting. The supplier device packages vary: MBR3045CTF-E1 uses TO-220F-3, MBRF2045CTG uses TO-220FP, and MBR3045FCT_T0_00001 uses ITO-220AB. These variations represent different supplier designations for the same physical TO-220-3 package and are mechanically and electrically compatible.

Q: What is the significance of the reverse leakage current difference between MBR3045CTF-E1 and FYPF1545DNTU?

A: The MBR3045CTF-E1 specifies 100 µA reverse leakage current at 45 V, while the FYPF1545DNTU specifies 1 mA reverse leakage current at 45 V. This represents a tenfold increase in leakage current for the FYPF1545DNTU. In applications where reverse leakage current is a critical parameter, the MBR3045CTF-E1 or MBR3045FCT_T0_00001 are preferred due to lower leakage specifications.

Q: Can substitute parts be used in existing designs without circuit modification?

A: The parametric equivalents FYPF1545DNTU and MBR3045FCT_T0_00001 are direct functional replacements and require no circuit modification. The MBRF2045CTG requires design review to confirm that the 10 A current rating is sufficient for the application, as it represents a downrating from the 15 A specification of the main part.

Q: What compliance certifications apply to all substitute parts?

A: All identified substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components in the European Union and other regulated markets.