MBRB8100-TP Equivalent & Substitute Parts

Part Overview

The MBRB8100-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 100 V DC reverse voltage and 8 A average rectified current in a surface mount D2PAK package. This component is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io)	8 A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 8 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 100 V
Mounting Type	Surface Mount
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Schottky

Substitute Part Grouping Explanation

Substitution of the MBRB8100-TP is based on the following critical electrical and mechanical parameters:

Voltage Rating Compatibility: The substitute part must maintain the same maximum DC reverse voltage rating of 100 V to ensure circuit protection and reliability.

Current Rating: The substitute part must support equal or greater average rectified current capacity. The MBRB8100-TP operates at 8 A; substitute parts with equal or higher current ratings are acceptable.

Forward Voltage Characteristics: Forward voltage drop at rated current must remain within acceptable circuit operating margins.

Recovery Speed: Fast recovery characteristics (≤ 500ns, > 200mA) must be maintained for switching performance.

Reverse Leakage Current: Leakage specifications must not exceed the original part's 500 µA @ 100 V to maintain circuit performance.

Package Compatibility: The substitute must use the same D2PAK surface mount package to ensure mechanical and thermal compatibility with existing PCB layouts.

Operating Temperature Range: The substitute must support the application's required junction temperature range.

Parameter Comparison

Parameter	MBRB8100-TP	MBRB10100-TP
Manufacturer	Micro Commercial Co	Micro Commercial Co
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V
Current - Average Rectified (Io)	8 A	10 A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 8 A	850 mV @ 10 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 100 V	500 µA @ 100 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 ~ 125°C
Product Status	Obsolete	Active

Engineering Selection Recommendations

The MBRB10100-TP is a direct substitute for the MBRB8100-TP based on electrical and mechanical compatibility. Both components share identical voltage ratings, package specifications, and recovery speed characteristics. The MBRB10100-TP provides increased current capacity (10 A versus 8 A), which is compatible with applications designed for the original 8 A part.

The MBRB10100-TP holds active product status, ensuring long-term availability and supply chain continuity. This part is RoHS3 compliant and carries Moisture Sensitivity Level 1 (Unlimited), indicating superior handling and storage characteristics compared to the obsolete MBRB8100-TP.

The operating temperature range of the MBRB10100-TP (-65°C ~ 125°C) differs from the original part (-55°C ~ 150°C). Applications requiring operation above 125°C junction temperature require design review to confirm compatibility.

Frequently Asked Questions (FAQ)

Q: Can the MBRB10100-TP directly replace the MBRB8100-TP in existing designs?

A: Yes. Both parts share identical voltage ratings (100 V), package specifications (D2PAK), and recovery speed characteristics. The MBRB10100-TP's higher current rating (10 A) is compatible with 8 A circuit designs.

Q: What is the primary difference between these two parts?

A: The MBRB10100-TP provides 10 A average rectified current capacity compared to the MBRB8100-TP's 8 A rating. The MBRB10100-TP is active product status while the MBRB8100-TP is obsolete.

Q: Are the package dimensions identical?

A: Yes. Both parts use the TO-263-3 D2PAK (2 Leads + Tab) surface mount package, ensuring identical PCB footprint and thermal interface compatibility.

Q: Does the operating temperature range difference affect substitution?

A: The MBRB10100-TP operates to 125°C junction temperature versus the MBRB8100-TP's 150°C maximum. Applications requiring sustained operation above 125°C require design verification. The MBRB10100-TP's lower temperature minimum (-65°C versus -55°C) provides extended cold-temperature performance.

Q: What compliance certifications apply to the substitute part?

A: The MBRB10100-TP is RoHS3 compliant and carries REACH Unaffected status. Moisture Sensitivity Level is 1 (Unlimited), indicating no moisture sensitivity restrictions.

Q: Are the forward voltage characteristics equivalent?

A: Both parts specify 850 mV maximum forward voltage drop at their respective rated currents (8 A and 10 A). Forward voltage performance is equivalent for the 8 A operating point.

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