MBRB1040CT-TP Equivalent & Substitute Parts

Part Overview

The MBRB1040CT-TP is a Schottky diode array manufactured by Micro Commercial Co, configured as 1 pair common cathode with a maximum reverse voltage of 40 V and average rectified current of 10 A per diode. The device is packaged in TO-263-3 (D2PAK) surface mount configuration and is classified as Not For New Designs, indicating obsolescence or end-of-life status. Identification of equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and field replacement applications.

Substiute Parts

MBRB1040CT-TP

Micro Commercial CoIn Stock: 1679MBRB1040CT-TP Datasheet

Current PartRFQ

SB1040DC_R2_00001

Panjit International Inc.In Stock: 732SB1040DC_R2_00001 Datasheet

Parametric EquivalentRFQ

SRS1040 MNG

Taiwan Semiconductor CorporationIn Stock: 1210SRS1040 MNG Datasheet

Parametric EquivalentRFQ

SRS1040H

Taiwan Semiconductor CorporationIn Stock: 820SRS1040H Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MBRB1040CT-TP are qualified based on strict parametric equivalence across the following criteria:

Mandatory Matching Parameters:

• Diode Configuration: 1 Pair Common Cathode
• Technology: Schottky
• Voltage - DC Reverse (Vr) (Max): 40 V
• Current - Average Rectified (Io) (per Diode): 10 A
• Voltage - Forward (Vf) (Max) @ If: 550 mV @ 5 A
• Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)
• Mounting Type: Surface Mount
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
• RoHS Status: ROHS3 Compliant

All identified substitute parts meet these electrical and mechanical specifications. Variations in secondary parameters such as reverse leakage current, operating temperature range, and product status are noted but do not disqualify substitution eligibility when primary parameters align.

Parameter Comparison

Engineering Selection Recommendations

SB1040DC_R2_00001 (Panjit International Inc.): This substitute offers parametric equivalence with an extended operating temperature range of -55°C to 150°C and lower reverse leakage current of 200 µA at 40 V compared to the original 500 µA. The part maintains Active product status and ROHS3 compliance. Selection of this part is appropriate for applications requiring improved thermal performance or lower leakage specifications.

SRS1040 MNG (Taiwan Semiconductor Corporation): This substitute provides full parametric equivalence with identical electrical characteristics and operating temperature range (-55°C to 125°C) as the original MBRB1040CT-TP. The part is Active and ROHS3 compliant. This option is suitable for direct replacement in standard industrial applications.

SRS1040H (Taiwan Semiconductor Corporation): This substitute is qualified to AEC-Q101 automotive standards and carries Automotive grade designation. Electrical parameters and operating temperature range match the original part. This option is required for automotive applications or designs subject to automotive qualification requirements.

All three substitute parts are currently in Active product status, addressing the obsolescence concern of the original MBRB1040CT-TP (Not For New Designs). Selection among substitutes depends on application-specific requirements regarding temperature range, leakage current specifications, and automotive qualification needs.

Frequently Asked Questions (FAQ)

Q: Can SB1040DC_R2_00001 be used as a direct replacement for MBRB1040CT-TP?

A: Yes. Both parts share identical core electrical specifications: 40 V reverse voltage, 10 A average rectified current per diode, 550 mV forward voltage at 5 A, and fast recovery Schottky technology. Both are packaged in TO-263-3 D2PAK surface mount configuration. The SB1040DC_R2_00001 offers an extended operating temperature range (-55°C to 150°C versus -55°C to 125°C) and lower reverse leakage current (200 µA versus 500 µA at 40 V).

Q: What is the difference between SRS1040 MNG and SRS1040H?

A: Both parts are manufactured by Taiwan Semiconductor Corporation and share identical electrical parameters and operating temperature range (-55°C to 125°C). The primary distinction is that SRS1040H carries AEC-Q101 automotive qualification and Automotive grade designation, making it suitable for automotive applications. SRS1040 MNG is classified as standard grade without automotive qualification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. MBRB1040CT-TP, SB1040DC_R2_00001, SRS1040 MNG, and SRS1040H are all ROHS3 compliant and REACH unaffected.

Q: Which substitute should be selected for an automotive application?

A: SRS1040H is the appropriate selection for automotive applications. This part is qualified to AEC-Q101 standards and carries Automotive grade designation, meeting automotive industry qualification requirements.

Q: Does the reverse leakage current difference between substitutes affect circuit performance?

A: The reverse leakage current specifications are 500 µA for MBRB1040CT-TP, SRS1040 MNG, and SRS1040H, and 200 µA for SB1040DC_R2_00001. Selection depends on circuit design requirements. SB1040DC_R2_00001 offers lower leakage performance if this parameter is critical to application function.

Q: Are all substitute parts available in Tape & Reel packaging?

A: MBRB1040CT-TP and SRS1040H are specified with Tape & Reel (TR) packaging. SB1040DC_R2_00001 is also available in Tape & Reel. SRS1040 MNG does not specify packaging type in available documentation.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All parts share identical package designation (TO-263-3, D2PAK with 2 Leads + Tab) and surface mount mounting type, enabling direct PCB footprint compatibility without layout modifications.