MBR12100LPS-TP Equivalent & Substitute Parts

Part Overview

The MBR12100LPS-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 100 V DC reverse voltage and 12 A average rectified current in a surface mount TO-277-3 package. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design requirements and procurement needs. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives within acceptable parameter ranges for the Schottky diode category.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	12	A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 12 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	250	µA @ 100 V
Mounting Type	Surface Mount	—
Package / Case	TO-277, 3-PowerDFN	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the MBR12100LPS-TP is determined by the following critical parameters: voltage rating (100 V DC reverse), current capacity (12 A minimum), Schottky technology, surface mount configuration, TO-277 package family, fast recovery speed characteristic, and RoHS3 compliance. Parts are grouped into two categories based on current rating alignment:

Direct Current Rating Match (12 A and above): Parts meeting or exceeding the 12 A current specification while maintaining 100 V voltage rating and TO-277 package compatibility.

Reduced Current Rating (below 12 A): Parts with lower current capacity that function in applications with reduced current demands but maintain voltage and package compatibility.

All substitute parts maintain Schottky technology, surface mount configuration, fast recovery speed, and RoHS3 compliance as specified for the original component.

Parameter Comparison

Parameter	MBR12100LPS-TP	MBR15U100L-TP	SS5P10HM3_A/I	V15P10-M3/H
Manufacturer	Micro Commercial Co	Micro Commercial Co	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	12 A	15 A	5 A	15 A
Voltage - Forward (Vf) (Max) @ If	800 mV @ 12 A	820 mV @ 15 A	880 mV @ 5 A	710 mV @ 15 A
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Current - Reverse Leakage @ Vr	250 µA @ 100 V	200 µA @ 100 V	15 µA @ 100 V	500 µA @ 100 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-40 to 150°C
Technology	Schottky	Schottky	Schottky	Schottky
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

MBR15U100L-TP (Direct Substitute - Preferred): This part is the primary substitute for the MBR12100LPS-TP. Manufactured by Micro Commercial Co, it maintains identical voltage rating (100 V), exceeds current capacity (15 A vs. 12 A), operates across the same temperature range (-55 to 150°C), and is packaged in the same TO-277 configuration. The part is active in production status, ensuring long-term availability. RoHS3 compliance and identical fast recovery speed characteristics provide direct functional compatibility. Forward voltage specification (820 mV @ 15 A) is marginally higher than the original part, representing acceptable performance variance within Schottky diode specifications.

V15P10-M3/H (Functional Substitute - High Current Match): This Vishay part provides 15 A current capacity matching the MBR15U100L-TP while maintaining 100 V voltage rating and TO-277 package compatibility. The part is active in production and RoHS3 compliant. Forward voltage performance is superior (710 mV @ 15 A), offering improved efficiency. Operating temperature range is -40 to 150°C, which is acceptable for most applications but does not extend to the lower -55°C limit of the original part. Reverse leakage current is elevated (500 µA @ 100 V) compared to the original specification (250 µA @ 100 V). This part is suitable for applications where the reduced low-temperature operating range and higher leakage current are acceptable trade-offs.

SS5P10HM3_A/I (Reduced Current Substitute): This Vishay part is suitable only for applications where current demand does not exceed 5 A. While it maintains 100 V voltage rating, TO-277 package compatibility, and RoHS3 compliance, the reduced current capacity limits its use to lower-power circuit implementations. The part features superior reverse leakage characteristics (15 µA @ 100 V) and is qualified to AEC-Q101 automotive standards. Forward voltage is higher (880 mV @ 5 A), reflecting the lower current rating. This part is appropriate for redesigned circuits with reduced current requirements.

Frequently Asked Questions (FAQ)

Q: Can MBR15U100L-TP directly replace MBR12100LPS-TP in existing designs?

A: Yes. MBR15U100L-TP is a direct substitute. It maintains identical voltage rating (100 V), exceeds current capacity (15 A vs. 12 A), operates across the same temperature range, and uses the same TO-277 package. The higher current rating provides design margin without requiring circuit modifications.

Q: What is the difference between TO-277 and TO-277A packaging?

A: Both are 3-PowerDFN configurations within the TO-277 family. TO-277 and TO-277A (SMPC) are mechanically and electrically compatible for the purposes of these Schottky diode applications. Tape & Reel packaging format may differ, but component functionality remains equivalent.

Q: Why does V15P10-M3/H have higher reverse leakage current (500 µA) compared to MBR12100LPS-TP (250 µA)?

A: Reverse leakage current varies by manufacturer design and process technology. While V15P10-M3/H exhibits higher leakage, it remains within acceptable limits for Schottky diode applications. Design verification is necessary if leakage current is a critical parameter in the application circuit.

Q: Is SS5P10HM3_A/I suitable for the original 12 A application?

A: No. SS5P10HM3_A/I is rated for 5 A maximum average rectified current, which is insufficient for applications requiring 12 A. This part is suitable only for redesigned circuits with reduced current demands.

Q: What is the significance of AEC-Q101 qualification on SS5P10HM3_A/I?

A: AEC-Q101 qualification indicates the part meets automotive industry reliability and quality standards. This certification is relevant only if the application requires automotive-grade components. For non-automotive applications, this qualification provides no additional benefit.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. MBR15U100L-TP, SS5P10HM3_A/I, and V15P10-M3/H are all RoHS3 compliant, matching the compliance status of the original MBR12100LPS-TP.

Q: What is the operating temperature difference between MBR12100LPS-TP and V15P10-M3/H?

A: MBR12100LPS-TP operates from -55°C to 150°C, while V15P10-M3/H operates from -40°C to 150°C. The V15P10-M3/H does not extend to -55°C. Applications requiring operation below -40°C must use MBR15U100L-TP or the original part.

Q: How do forward voltage specifications affect circuit performance?

A: Forward voltage (Vf) determines voltage drop across the diode during conduction. MBR12100LPS-TP specifies 800 mV @ 12 A, MBR15U100L-TP specifies 820 mV @ 15 A, and V15P10-M3/H specifies 710 mV @ 15 A. Lower forward voltage reduces power dissipation and heat generation. Circuit design must account for these differences in power supply voltage and thermal management calculations.

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