BAT750-TP Equivalent & Substitute Parts

Part Overview

The BAT750-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, rated for 40 V DC reverse voltage and 750 mA average rectified current in a surface mount SOT-23 package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and component availability across multiple manufacturers while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	40	V
Current - Average Rectified (Io)	750	mA
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction (Max)	125	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BAT750-TP are classified based on electrical parameter compatibility and mechanical interchangeability. The primary substitution criteria are:

Upgrade Substitute (Full Electrical Equivalence): The BAT750TA from Diodes Incorporated maintains identical voltage and current ratings (40 V, 750 mA) with improved forward voltage characteristics (490 mV @ 750 mA versus 650 mV @ 1.5 A) and lower junction capacitance (25 pF @ 25V versus 175 pF @ 0V). Both components share the SOT-23-3 package and Fast Recovery speed classification. This part qualifies as a direct upgrade substitute.

Similar Substitute (Partial Electrical Compatibility): The BAT750_R1_00001 from Panjit International Inc. matches the BAT750-TP in voltage rating (40 V) and current rating (750 mA) with equivalent forward voltage performance (490 mV @ 750 mA). Package and mounting specifications are identical. This part functions as a direct equivalent substitute.

Limited Substitute (Reduced Current Rating): The BAT54FILM from STMicroelectronics shares the 40 V voltage rating and SOT-23-3 package but is rated for 300 mA average rectified current, which is below the 750 mA requirement of the BAT750-TP. This part is suitable only for applications where current demand does not exceed 300 mA and represents a downgrade in current capacity.

Parameter Comparison

Parameter	BAT750-TP (Main)	BAT750TA (Upgrade)	BAT750_R1_00001 (Equivalent)	BAT54FILM (Limited)
Manufacturer	Micro Commercial Co	Diodes Incorporated	Panjit International Inc.	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	40 V	40 V	40 V	40 V
Current - Average Rectified (Io)	750 mA	750 mA	750 mA	300 mA
Voltage - Forward (Vf) (Max) @ If	650 mV @ 1.5 A	490 mV @ 750 mA	490 mV @ 750 mA	900 mV @ 100 mA
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	Not specified	5 ns	Not specified	5 ns
Current - Reverse Leakage @ Vr	100 µA @ 30 V	100 µA @ 30 V	100 µA @ 30 V	1 µA @ 30 V
Capacitance @ Vr, F	175 pF @ 0V, 1MHz	25 pF @ 25V, 1MHz	18 pF @ 25V, 1MHz	10 pF @ 1V, 1MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Operating Temperature - Junction (Max)	125°C	125°C	125°C	150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

BAT750TA (Diodes Incorporated): This part is recommended as the primary upgrade substitute. It maintains full electrical equivalence at the specified 40 V and 750 mA ratings while demonstrating improved performance characteristics including lower forward voltage drop and reduced junction capacitance. Both components are Active product status with ROHS3 compliance and MSL 1 rating. The BAT750TA is suitable for direct replacement in all applications designed for the BAT750-TP.

BAT750_R1_00001 (Panjit International Inc.): This part functions as a direct equivalent substitute with identical voltage and current specifications. It is Active product status with ROHS3 compliance and MSL 1 rating. The BAT750_R1_00001 is suitable for direct replacement in all applications designed for the BAT750-TP.

BAT54FILM (STMicroelectronics): This part is classified as a limited substitute due to its reduced current rating of 300 mA. It is suitable only for applications where the circuit design permits operation at or below 300 mA average rectified current. The BAT54FILM is Active product status with ROHS3 compliance and MSL 1 rating. Use of this part in circuits requiring 750 mA operation will result in component overstress and is not recommended.

Frequently Asked Questions (FAQ)

Q: Can BAT750TA be used as a direct replacement for BAT750-TP?

A: Yes. The BAT750TA maintains identical voltage (40 V) and current (750 mA) ratings with compatible SOT-23-3 packaging. Both components are Fast Recovery Schottky diodes with ROHS3 compliance and MSL 1 rating. The BAT750TA is suitable for direct replacement in all applications designed for the BAT750-TP.

Q: What is the difference between BAT750TA and BAT750_R1_00001?

A: Both parts are equivalent substitutes for the BAT750-TP with identical voltage and current ratings. The primary differences are manufacturer (Diodes Incorporated versus Panjit International Inc.) and minor variations in junction capacitance (25 pF versus 18 pF at specified measurement conditions). Both are suitable for direct replacement.

Q: Can BAT54FILM replace BAT750-TP in all applications?

A: No. The BAT54FILM is rated for 300 mA average rectified current, which is below the 750 mA specification of the BAT750-TP. This part is suitable only for applications where circuit design permits operation at or below 300 mA. Use in circuits requiring 750 mA operation will cause component overstress.

Q: Are all substitute parts available in the same packaging?

A: Yes. All substitute parts are available in SOT-23-3 surface mount packaging with TO-236-3 and SC-59 designations. Mounting type is surface mount for all parts, ensuring mechanical compatibility on PCB layouts designed for the BAT750-TP.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. All parts are classified as Active product status. Compliance specifications are identical across the BAT750-TP, BAT750TA, BAT750_R1_00001, and BAT54FILM.

Q: What is the impact of lower forward voltage in BAT750TA?

A: The BAT750TA exhibits lower forward voltage (490 mV @ 750 mA) compared to the BAT750-TP (650 mV @ 1.5 A). Lower forward voltage reduces power dissipation in the diode during conduction, resulting in improved thermal performance and efficiency. This characteristic makes the BAT750TA suitable as an upgrade substitute.

Q: How do junction capacitance differences affect circuit performance?

A: The BAT750TA and BAT750_R1_00001 exhibit lower junction capacitance (25 pF and 18 pF respectively) compared to the BAT750-TP (175 pF). Lower capacitance reduces switching transients and improves high-frequency performance. These differences are not significant for most rectification applications but may provide benefits in high-frequency switching circuits.

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