MBR3045WT Equivalent & Substitute Parts

Part Overview

The MBR3045WT is a Schottky diode array manufactured by SMC Diode Solutions, configured as a 1 Pair Common Cathode arrangement rated for 45 V DC reverse voltage. This component is housed in a TO-247-3 through-hole package and is designed for fast recovery rectification applications. The part maintains Active product status with 3225 units in current inventory stock.

Identification of equivalent and substitute parts becomes necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit selection from qualified alternatives that meet identical or superior electrical and mechanical specifications.

Substiute Parts

MBR3045WT

SMC Diode SolutionsIn Stock: 3250MBR3045WT Datasheet

Current PartRFQ

MBR3045PT_T0_00001

Panjit International Inc.In Stock: 2320MBR3045PT_T0_00001 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBR3045WT is permissible with parts that satisfy the following criteria:

Critical Matching Parameters:

• Diode Configuration: 1 Pair Common Cathode
• Technology: Schottky
• Voltage - DC Reverse (Vr) (Max): 45 V
• Voltage - Forward (Vf) (Max) @ If: 700 mV @ 15 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Mounting Type: Through Hole
• Package / Case: TO-247-3

Allowable Parameter Variations:

• Current - Average Rectified (Io) (per Diode): Equal or greater than specified value
• Current - Reverse Leakage @ Vr: Equal or lower than specified value
• Operating Temperature - Junction: Equal or wider range than specified range
• RoHS Status: ROHS3 Compliant or equivalent
• Product Status: Active

The MBR3045PT_T0_00001 qualifies as a parametric equivalent substitute based on alignment with all critical matching parameters and allowable variations in reverse leakage current and operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

MBR3045WT (SMC Diode Solutions)

Selection of the MBR3045WT is appropriate when:

• Primary sourcing from SMC Diode Solutions is required or preferred
• Current inventory availability of 3225 units supports project timelines
• ROHS3 compliance and REACH Affected status align with supply chain requirements
• Moisture Sensitivity Level 1 (Unlimited) meets storage and handling protocols

MBR3045PT_T0_00001 (Panjit International Inc.)

Selection of the MBR3045PT_T0_00001 is appropriate when:

• Supply diversification from Panjit International Inc. is beneficial
• Current inventory availability of 2301 units supports project timelines
• Superior reverse leakage current performance (100 µA vs. 1 mA @ 45 V) provides design margin
• Extended operating temperature range (-65°C ~ 175°C vs. -55°C ~ 150°C) accommodates broader environmental conditions
• ROHS3 compliance and REACH Unaffected status align with supply chain requirements
• Specified average rectified current of 30 A per diode provides defined performance ceiling

Both parts maintain Active product status and satisfy ROHS3 compliance requirements. Selection between these alternatives depends on sourcing strategy, inventory availability, and whether the superior electrical characteristics of the Panjit substitute provide design advantage.

Frequently Asked Questions (FAQ)

Q: Can the MBR3045PT_T0_00001 directly replace the MBR3045WT in existing designs?

A: Yes. Both parts share identical diode configuration (1 Pair Common Cathode), Schottky technology, 45 V reverse voltage rating, forward voltage characteristics, fast recovery speed, through-hole mounting, and TO-247-3 package. The substitute meets all critical electrical and mechanical parameters required for direct substitution.

Q: What is the significance of the 30 A average rectified current specification on the MBR3045PT_T0_00001?

A: The MBR3045PT_T0_00001 specifies 30 A average rectified current per diode, whereas the MBR3045WT does not provide this parameter. This specification on the substitute defines the maximum continuous current capability and represents a defined performance characteristic. The absence of this specification on the primary part does not indicate incompatibility; rather, it reflects different documentation practices between manufacturers.

Q: How does the reverse leakage current difference affect circuit performance?

A: The MBR3045PT_T0_00001 exhibits 100 µA reverse leakage at 45 V, compared to 1 mA for the MBR3045WT. Lower reverse leakage current reduces parasitic current paths and heat generation in applications sensitive to leakage performance. This represents an improvement in the substitute part and does not create compatibility issues.

Q: Are the operating temperature ranges interchangeable?

A: The MBR3045WT operates from -55°C to 150°C junction temperature, while the MBR3045PT_T0_00001 operates from -65°C to 175°C. The substitute provides a wider operating range. For applications within the MBR3045WT temperature envelope, both parts perform identically. For applications requiring extended temperature operation, the substitute provides additional capability.

Q: Do package differences exist between these parts?

A: Both parts use the TO-247-3 package for through-hole mounting. The MBR3045PT_T0_00001 lists supplier device package as TO-247AD (TO-3P), which represents equivalent packaging nomenclature. No physical or functional package differences exist that would affect board layout or thermal management.

Q: What compliance differences exist between these parts?

A: Both parts are ROHS3 compliant. The MBR3045WT carries REACH Affected status, while the MBR3045PT_T0_00001 carries REACH Unaffected status. Both parts share identical ECCN (EAR99) and HTSUS (8541.10.0080) classifications. Supply chain and regulatory requirements should guide selection based on REACH status implications for your application region.