MBRB1030-TP Equivalent & Substitute Parts

Part Overview

The MBRB1030-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 30 V DC reverse voltage and 10 A average rectified current in a surface mount D2PAK package. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The part operates across a junction temperature range of -65°C to 150°C and features fast recovery characteristics suitable for high-frequency switching applications.

Substiute Parts

MBRB1030-TP

Micro Commercial CoIn Stock: 795MBRB1030-TP Datasheet

Current PartRFQ

MBRB1040-TP

Micro Commercial CoIn Stock: 806MBRB1040-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MBRB1030-TP is determined by electrical and mechanical compatibility within the Schottky rectifier diode category. The primary substitution criterion is the maintenance of identical current rating (10 A average rectified current) and compatible package form factor (D2PAK surface mount). The reverse voltage rating may be equal to or greater than the original specification, provided the forward voltage drop and reverse leakage characteristics remain within acceptable operational limits for the application circuit.

The MBRB1040-TP qualifies as a direct substitute based on the following alignment of critical parameters:

• Current - Average Rectified (Io): 10 A (identical)
• Voltage - Forward (Vf) (Max) @ If: 600 mV @ 10 A (identical)
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io) (identical)
• Mounting Type: Surface Mount (identical)
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB (identical)
• Operating Temperature - Junction: -65°C to 150°C (identical)
• Technology: Schottky (identical)
• Voltage - DC Reverse (Vr) (Max): 40 V (higher rating, backward compatible)

Parameter Comparison

Engineering Selection Recommendations

The MBRB1040-TP is the qualified substitute for the obsolete MBRB1030-TP. Selection of the MBRB1040-TP is supported by the following factors:

Product Status: The MBRB1040-TP maintains active product status with current manufacturing support, ensuring long-term availability and supply chain continuity compared to the obsolete MBRB1030-TP.

Compliance and Certifications: The MBRB1040-TP is RoHS3 compliant and carries Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating superior environmental and handling characteristics. Both parts share identical REACH and ECCN classifications (REACH Unaffected, EAR99).

Electrical Performance: The MBRB1040-TP provides a higher reverse voltage rating (40 V versus 30 V), which is backward compatible with applications designed for the original 30 V specification. The forward voltage drop remains identical at 600 mV @ 10 A, and reverse leakage current is reduced to 100 µA @ 40 V, representing improved performance.

Package and Thermal Compatibility: Both parts utilize identical D2PAK surface mount packaging and share the same operating temperature range (-65°C to 150°C), ensuring direct mechanical and thermal interchangeability on printed circuit boards.

Frequently Asked Questions (FAQ)

Q: Can the MBRB1040-TP directly replace the MBRB1030-TP in existing designs?

A: Yes. The MBRB1040-TP is electrically and mechanically compatible with the MBRB1030-TP. The higher reverse voltage rating (40 V) is backward compatible with 30 V applications. The identical forward voltage drop, current rating, and package form factor ensure direct substitution without circuit modification.

Q: What is the significance of the higher reverse voltage rating on the MBRB1040-TP?

A: The 40 V reverse voltage rating on the MBRB1040-TP provides additional voltage margin compared to the 30 V rating of the MBRB1030-TP. This higher rating does not degrade performance in 30 V applications and may provide enhanced reliability in circuits with transient voltage spikes.

Q: Are the forward voltage characteristics identical between these parts?

A: Yes. Both the MBRB1030-TP and MBRB1040-TP specify a maximum forward voltage of 600 mV @ 10 A, ensuring identical voltage drop performance in rectification circuits.

Q: What is the difference in reverse leakage current between these parts?

A: The MBRB1030-TP specifies 500 µA @ 30 V reverse leakage, while the MBRB1040-TP specifies 100 µA @ 40 V. The lower leakage current of the substitute part represents improved performance and may reduce power dissipation in standby conditions.

Q: Are the D2PAK packages identical for both parts?

A: Yes. Both parts use the TO-263-3 D2PAK (2 Leads + Tab) package designation, ensuring identical footprint and thermal characteristics on printed circuit boards. No layout modifications are required for substitution.

Q: What is the product status difference, and why does it matter?

A: The MBRB1030-TP is classified as obsolete, indicating discontinued manufacturing and limited future availability. The MBRB1040-TP maintains active product status with ongoing manufacturing support, ensuring reliable procurement for current and future production requirements.

Q: Do both parts share the same operating temperature range?

A: Yes. Both the MBRB1030-TP and MBRB1040-TP operate across a junction temperature range of -65°C to 150°C, ensuring identical thermal performance characteristics.

Q: What compliance certifications apply to the MBRB1040-TP?

A: The MBRB1040-TP is RoHS3 compliant and carries Moisture Sensitivity Level (MSL) 1 (Unlimited). Both parts are REACH Unaffected and classified as EAR99 for export control purposes.