MBRB820-TP Equivalent & Substitute Parts

Part Overview

The MBRB820-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, designed for surface mount applications in the D2PAK package. This component operates at a maximum reverse voltage of 20 V with an average rectified current of 8 A and features fast recovery characteristics suitable for high-frequency switching applications.

The MBRB820-TP is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component.

Key Parameters

Parameter	Value
Manufacturer Part Number	MBRB820-TP
Manufacturer	Micro Commercial Co
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	20 V
Current - Average Rectified (Io)	8 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 8 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 20 V
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Operating Temperature - Junction	-55°C ~ 150°C
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the MBRB820-TP is determined by electrical and mechanical compatibility within the Schottky rectifier diode category. The primary substitution criteria are:

Electrical Parameters:

Technology: Schottky (fast recovery diode classification)
Voltage Rating: Reverse voltage must equal or exceed 20 V
Current Rating: Average rectified current must equal or exceed 8 A
Speed Characteristic: Fast recovery ≤ 500 ns, > 200 mA (Io)

Mechanical Parameters:

Mounting Type: Surface Mount
Package / Case: D2PAK (TO-263-3, TO-263AB)

The MBRB1040-TP meets all substitution criteria. It maintains the same package configuration and mounting type while providing enhanced electrical specifications (40 V reverse voltage, 10 A current rating) that are backward compatible with the original design requirements.

Parameter Comparison

Parameter	MBRB820-TP (Main Part)	MBRB1040-TP (Substitute)
Manufacturer	Micro Commercial Co	Micro Commercial Co
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	20 V	40 V
Current - Average Rectified (Io)	8 A	10 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 8 A	600 mV @ 10 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 20 V	100 µA @ 40 V
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 150°C
Product Status	Obsolete	Active

Engineering Selection Recommendations

The MBRB1040-TP is the manufacturer-recommended substitute for the obsolete MBRB820-TP. Selection of this substitute is supported by the following factors:

Product Status: The MBRB1040-TP maintains Active product status, ensuring ongoing availability and supply chain support compared to the Obsolete MBRB820-TP.

Compliance and Certifications: The MBRB1040-TP is RoHS3 Compliant and carries Moisture Sensitivity Level (MSL) 1 (Unlimited), indicating superior environmental compliance and handling characteristics. Both parts maintain REACH Unaffected status and EAR99 export classification.

Electrical Compatibility: The MBRB1040-TP provides enhanced electrical specifications with doubled reverse voltage rating (40 V vs. 20 V) and increased current capacity (10 A vs. 8 A). These higher ratings ensure the substitute operates within safe margins in applications designed for the original part.

Package Compatibility: Both parts utilize identical D2PAK surface mount packaging, enabling direct physical substitution without PCB redesign.

Frequently Asked Questions (FAQ)

Q: Can the MBRB1040-TP directly replace the MBRB820-TP in existing designs?

A: Yes. The MBRB1040-TP is physically and electrically compatible. Both components use the D2PAK surface mount package with identical pinout and lead configuration. The substitute's higher voltage and current ratings provide design margin without requiring circuit modifications.

Q: What are the key differences between these parts?

A: The MBRB1040-TP provides doubled reverse voltage capability (40 V vs. 20 V) and increased current rating (10 A vs. 8 A). Forward voltage increases slightly from 550 mV to 600 mV at higher current. Reverse leakage current is significantly lower in the substitute (100 µA vs. 500 µA). Operating temperature range extends to -65°C in the substitute.

Q: Why is the MBRB820-TP obsolete?

A: The MBRB820-TP is classified as obsolete by the manufacturer. The MBRB1040-TP represents the current-generation equivalent with improved specifications and active production status.

Q: Are there any thermal or mounting considerations when substituting?

A: Both parts use identical D2PAK packaging and mounting type. Thermal characteristics remain compatible. No PCB layout modifications are required for substitution.

Q: What compliance standards apply to the substitute part?

A: The MBRB1040-TP is RoHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions. Both parts maintain REACH Unaffected status.

Q: Can applications designed for 20 V operation use the 40 V rated substitute?

A: Yes. The MBRB1040-TP's 40 V rating exceeds the 20 V requirement of the original design, providing additional voltage margin. This higher rating does not negatively impact performance in lower-voltage applications.

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