MBRX02550-TP Equivalent & Substitute Parts

Part Overview

The MBRX02550-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 50 V DC reverse voltage and 250 mA average rectified current in a surface mount SOD-323 package. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design requirements and procurement needs. Substitute parts must maintain functional compatibility within the electrical and mechanical constraints of the original specification.

Key Parameters

Parameter	MBRX02550-TP
Voltage - DC Reverse (Vr) (Max)	50 V
Current - Average Rectified (Io)	250 mA
Voltage - Forward (Vf) (Max) @ If	700 mV @ 250 mA
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	500 µA @ 50 V
Package / Case	SC-76, SOD-323
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Schottky
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the MBRX02550-TP is determined by the following critical parameters: voltage rating (Vr), current capacity (Io), forward voltage characteristics (Vf), switching speed classification, package type (SOD-323), and compliance certifications (RoHS3, REACH).

Substitute parts are grouped into two categories based on voltage and current compatibility:

Category A - Reduced Voltage, Higher Current Capacity: Parts with 40 V maximum reverse voltage rating and current ratings between 300 mA and 750 mA. These substitutes operate within a lower voltage envelope but provide equal or greater current handling capability. Suitable for applications where the 50 V rating provides design margin above actual operating voltage.

Category B - Reduced Voltage, Reduced Current Capacity: Parts with 30 V maximum reverse voltage rating and significantly lower current capacity (30 mA). This category is limited to applications with substantially reduced voltage and current requirements.

All substitute parts maintain SOD-323 surface mount packaging, fast recovery switching characteristics, and RoHS3 compliance.

Parameter Comparison

Parameter	MBRX02550-TP	SD103AWS-TP	BAT165E6327HTSA1	BAT54JFILM	NSVRB751V40T1G
Manufacturer	Micro Commercial Co	Micro Commercial Co	Infineon Technologies	STMicroelectronics	onsemi
Voltage - DC Reverse (Vr) (Max)	50 V	40 V	40 V	40 V	30 V
Current - Average Rectified (Io)	250 mA	350 mA	750 mA	300 mA	30 mA
Voltage - Forward (Vf) (Max) @ If	700 mV @ 250 mA	600 mV @ 200 mA	740 mV @ 750 mA	900 mV @ 100 mA	370 mV @ 1 mA
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Small Signal ≤ 200mA, Any Speed
Current - Reverse Leakage @ Vr	500 µA @ 50 V	5 µA @ 30 V	50 µA @ 40 V	1 µA @ 30 V	500 nA @ 30 V
Package / Case	SC-76, SOD-323	SC-76, SOD-323	SC-76, SOD-323	SC-76, SOD-323	SC-76, SOD-323
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 125°C	150°C (Max)	-40°C ~ 150°C	-55°C ~ 150°C
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Reverse Recovery Time (trr)	Not specified	10 ns	Not specified	5 ns	Not specified

Engineering Selection Recommendations

SD103AWS-TP (Micro Commercial Co): Active product status with 40 V / 350 mA rating. Suitable for applications where circuit voltage does not exceed 40 V and current demand is within 350 mA. Maintains fast recovery switching performance and RoHS3 compliance. Lower forward voltage (600 mV @ 200 mA) compared to original specification.

BAT165E6327HTSA1 (Infineon Technologies): Active product with highest current capacity (750 mA) at 40 V rating. Applicable to designs requiring increased current handling within reduced voltage envelope. RoHS3 compliant. Forward voltage specification (740 mV @ 750 mA) approaches original part characteristics at higher current levels.

BAT54JFILM (STMicroelectronics): Active product rated 40 V / 300 mA with fast recovery characteristics. Provides current capacity comparable to original specification (300 mA vs. 250 mA). Exhibits higher forward voltage (900 mV @ 100 mA) and lower reverse leakage (1 µA @ 30 V). RoHS3 compliant with operating temperature range -40°C to 150°C.

NSVRB751V40T1G (onsemi): Active product with automotive qualification (AEC-Q101). Rated 30 V / 30 mA, suitable only for low-voltage, low-current applications. Not recommended as direct substitute for standard 50 V / 250 mA applications due to significantly reduced voltage and current ratings.

Selection of substitute parts requires verification that circuit operating voltage does not exceed the substitute part's maximum reverse voltage rating and that current demand remains within specified limits.

Frequently Asked Questions (FAQ)

Q: Can SD103AWS-TP replace MBRX02550-TP in all applications?

A: SD103AWS-TP operates at 40 V maximum reverse voltage compared to the original 50 V rating. Substitution is valid only in applications where the actual circuit voltage does not exceed 40 V. Current capacity (350 mA) exceeds the original requirement (250 mA).

Q: What is the primary difference between BAT165E6327HTSA1 and other substitutes?

A: BAT165E6327HTSA1 provides the highest current capacity (750 mA) among available substitutes, while maintaining 40 V voltage rating and SOD-323 packaging. This part accommodates applications requiring increased current handling within the reduced voltage specification.

Q: Is NSVRB751V40T1G suitable as a general replacement?

A: NSVRB751V40T1G is not suitable as a general replacement due to significantly reduced voltage (30 V) and current (30 mA) ratings. This part is applicable only to specialized low-voltage, low-current applications and includes automotive qualification (AEC-Q101).

Q: Do all substitute parts maintain the same package footprint?

A: All substitute parts use SC-76 / SOD-323 surface mount packaging, ensuring mechanical compatibility with the original MBRX02550-TP footprint.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant and REACH unaffected, matching the environmental compliance status of the original MBRX02550-TP.

Q: What is the impact of forward voltage differences among substitutes?

A: Forward voltage varies across substitutes (600 mV to 900 mV depending on current level). Applications sensitive to forward voltage drop must evaluate substitute performance at actual operating current to ensure circuit functionality and thermal management requirements are met.

Q: Can BAT54JFILM be used in high-temperature applications?

A: BAT54JFILM operates to 150°C maximum junction temperature, matching the original specification. However, its minimum operating temperature is -40°C compared to the original -55°C, which may limit use in extreme cold environments.

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