MBR1050CT Equivalent & Substitute Parts

Part Overview

The MBR1050CT is a Schottky diode array in a 1 Pair Common Cathode configuration, rated for 50 V DC reverse voltage and 10 A average rectified current per diode. Manufactured by Diodes Incorporated, this component is classified as Obsolete, necessitating identification of active equivalent and substitute parts for ongoing design and procurement requirements. The through-hole TO-220-3 package provides standard thermal and electrical performance for rectification applications requiring fast recovery characteristics.

Substiute Parts

MBR1050CT

Diodes IncorporatedIn Stock: 1496MBR1050CT Datasheet

Current PartRFQ

MBR1050CT C0G

Taiwan Semiconductor CorporationIn Stock: 903MBR1050CT C0G Datasheet

DirectRFQ

DST2045C

Littelfuse Inc.In Stock: 1025DST2045C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBR1050CT is determined by strict equivalence in the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Diode Configuration: 1 Pair Common Cathode
• Technology: Schottky
• Current - Average Rectified (Io): 10 A per diode
• Mounting Type: Through Hole
• Package / Case: TO-220-3

Secondary Compatibility Parameters:

• Voltage - DC Reverse (Vr) (Max): Equal to or greater than 50 V
• Operating Temperature - Junction: -55°C to 150°C minimum
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• RoHS Status: ROHS3 Compliant

Substitute parts must satisfy all primary criteria and maintain or exceed secondary parameter specifications. Variations in forward voltage (Vf) and reverse leakage current are acceptable within the Schottky diode technology class, provided the primary electrical ratings are met or exceeded.

Parameter Comparison

Engineering Selection Recommendations

MBR1050CT C0G (Taiwan Semiconductor Corporation)

This part is a direct electrical and mechanical equivalent to the MBR1050CT. It maintains identical voltage and current ratings (50 V, 10 A), matching diode configuration, package type, and thermal operating range. The part is Active in product status, ensuring availability and supply chain continuity. Forward voltage performance is improved (900 mV vs. 950 mV at 10 A), and reverse leakage characteristics are identical. RoHS3 compliance and MSL 1 rating confirm environmental and handling compatibility. This substitute is suitable for direct replacement in applications where the original MBR1050CT specifications are required.

DST2045C (Littelfuse Inc.)

This part is a functional substitute with reduced voltage rating (45 V vs. 50 V). It maintains the 10 A current rating, identical diode configuration, and through-hole TO-220-3 package. The DST2045C exhibits superior forward voltage performance (580 mV vs. 950 mV at 10 A), resulting in lower power dissipation. However, the 5 V reduction in reverse voltage rating restricts its use to applications where the circuit operates at or below 45 V DC reverse bias. The part is Active in product status with RoHS3 compliance and MSL 1 rating. Selection of this substitute requires confirmation that the application's maximum reverse voltage does not exceed 45 V.

Both substitute parts are Active products with current manufacturing status, ensuring long-term availability compared to the Obsolete MBR1050CT.

Frequently Asked Questions (FAQ)

Q: Can the MBR1050CT C0G be used as a direct replacement for the MBR1050CT?

A: Yes. The MBR1050CT C0G maintains identical electrical ratings (50 V, 10 A), diode configuration (1 Pair Common Cathode), package type (TO-220-3), and thermal range (-55°C to 150°C). Both parts are Schottky technology with fast recovery characteristics. The substitute is Active in product status, providing supply continuity for the Obsolete original part.

Q: What is the key limitation of the DST2045C as a substitute?

A: The DST2045C has a reduced maximum reverse voltage rating of 45 V compared to the MBR1050CT's 50 V. This part is suitable only for applications where the circuit's reverse bias voltage does not exceed 45 V. All other electrical parameters (10 A current, Schottky technology, fast recovery) and mechanical specifications (TO-220-3 package, through-hole mounting) are compatible.

Q: Are both substitute parts RoHS3 compliant?

A: Yes. Both the MBR1050CT C0G and DST2045C are RoHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), matching the environmental and handling requirements of the original MBR1050CT.

Q: What is the difference in forward voltage between the substitute parts and the original?

A: The MBR1050CT C0G has a forward voltage of 900 mV at 10 A, compared to 950 mV for the original MBR1050CT. The DST2045C has a significantly lower forward voltage of 580 mV at 10 A. Lower forward voltage results in reduced power dissipation and heat generation during operation.

Q: Can the DST2045C be used in all applications where the MBR1050CT is specified?

A: No. The DST2045C is suitable only for applications where the maximum reverse voltage does not exceed 45 V. If the circuit design requires a 50 V reverse voltage rating, the MBR1050CT C0G is the appropriate substitute. Exceeding the 45 V rating of the DST2045C may result in device failure or degraded performance.

Q: Are the package dimensions identical between all three parts?

A: Yes. All three parts use the TO-220-3 through-hole package with identical mechanical specifications, allowing direct PCB mounting compatibility without layout modifications.