BAT720,235 Equivalent & Substitute Parts

Part Overview

The BAT720,235 is a Schottky diode manufactured by Nexperia USA Inc., rated for 40 V DC reverse voltage and 500 mA average rectified current in a surface mount TO-236AB package. This component is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching or compatible electrical ratings, package compatibility, and manufacturing specifications. Alternative sources become necessary for supply chain continuity, inventory availability, or design flexibility across multiple manufacturers while maintaining functional equivalence.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	500 mA
Voltage - Forward (Vf) (Max) @ If	550 mV @ 500 mA
Technology	Schottky
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

Substitute Part Grouping Explanation

Substitute parts for the BAT720,235 are categorized based on electrical parameter compatibility and package equivalence. The primary substitution criterion is matching the 40 V reverse voltage rating across all alternatives. Current rating compatibility determines the substitution tier:

Parametric Equivalent (Full Replacement): Parts with identical 500 mA current rating and matching electrical characteristics enable direct substitution without circuit redesign.

Similar Parts (Reduced Current Rating): Parts with lower current ratings (120 mA, 200 mA) are suitable for applications where the circuit current demand does not exceed the substitute part's maximum rating. These parts maintain the 40 V voltage rating and Schottky technology.

Similar Parts (Increased Current Rating): Parts with higher current ratings (750 mA, 1 A) provide additional current capacity and are suitable for applications requiring higher current handling while maintaining voltage compatibility.

All substitute parts share the following critical parameters with the BAT720,235:

Voltage - DC Reverse (Vr) (Max): 40 V
Package / Case: TO-236-3, SC-59, SOT-23-3 (surface mount compatibility)
Technology: Schottky
RoHS Status: ROHS3 Compliant
Mounting Type: Surface Mount

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io (mA)	Vf (Max) @ If	Speed	Package	Tj (Max)	RoHS
BAT720,235	Nexperia USA Inc.	40 V	500	550 mV @ 500 mA	Fast Recovery ≤ 500ns, > 200mA	TO-236AB	125°C	ROHS3
BAT720,215	Nexperia USA Inc.	40 V	500	550 mV @ 500 mA	Fast Recovery ≤ 500ns, > 200mA	TO-236AB	125°C	ROHS3
BAS40-7-F	Diodes Incorporated	40 V	200	1 V @ 40 mA	Small Signal ≤ 200mA	SOT-23-3	125°C	ROHS3
BAS40E6327HTSA1	Infineon Technologies	40 V	120	1 V @ 40 mA	Small Signal ≤ 200mA	PG-SOT23	150°C	ROHS3
BAS40E6433HTMA1	Infineon Technologies	40 V	120	1 V @ 40 mA	Small Signal ≤ 200mA	PG-SOT23	150°C	ROHS3
BAS40LT1G	onsemi	40 V	120	1 V @ 40 mA	Small Signal ≤ 200mA	SOT-23-3	150°C	ROHS3
BAT1000-7-F	Diodes Incorporated	40 V	1000	500 mV @ 1 A	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	125°C	ROHS3
BAT400D-7-F	Diodes Incorporated	40 V	500	550 mV @ 500 mA	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	125°C	ROHS3
BAT750-7-F	Diodes Incorporated	40 V	750	490 mV @ 750 mA	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	125°C	ROHS3
BAT750-TP	Micro Commercial Co	40 V	750	650 mV @ 1.5 A	Fast Recovery ≤ 500ns, > 200mA	SOT-23	125°C	ROHS3
BAT750TA	Diodes Incorporated	40 V	750	490 mV @ 750 mA	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	125°C	ROHS3

Engineering Selection Recommendations

Parametric Equivalent Selection: BAT720,215 is a direct parametric equivalent to BAT720,235, manufactured by the same supplier (Nexperia USA Inc.) with identical electrical specifications and package designation. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). This part is suitable for direct substitution in all applications.

Current Rating Compatibility: For applications where circuit current demand does not exceed 500 mA, BAT400D-7-F (Diodes Incorporated) provides identical electrical performance with matching forward voltage and fast recovery speed characteristics. This part maintains the 40 V voltage rating and 500 mA current capacity.

For applications where circuit current demand does not exceed 750 mA, BAT750-7-F or BAT750TA (Diodes Incorporated) provide increased current capacity with compatible fast recovery speed and 40 V voltage rating.

For applications where circuit current demand does not exceed 1 A, BAT1000-7-F (Diodes Incorporated) provides the highest current capacity while maintaining fast recovery speed and 40 V voltage rating.

Reduced Current Applications: For applications where circuit current demand does not exceed 200 mA, BAS40-7-F (Diodes Incorporated) is suitable. This part operates at 40 V with small signal speed characteristics.

For applications where circuit current demand does not exceed 120 mA, BAS40E6327HTSA1, BAS40E6433HTMA1 (Infineon Technologies), or BAS40LT1G (onsemi) are suitable. These parts operate at 40 V with small signal speed characteristics and extended operating temperature range to 150°C.

Compliance Verification: All substitute parts listed maintain ROHS3 compliance and are classified as Active product status, ensuring regulatory alignment with the original BAT720,235 specification.

Frequently Asked Questions (FAQ)

Q: Can BAT720,215 be used as a direct replacement for BAT720,235? A: Yes. BAT720,215 is a parametric equivalent manufactured by Nexperia USA Inc. with identical electrical specifications (40 V, 500 mA, 550 mV forward voltage). The difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel). Both parts are ROHS3 compliant and Active status.

Q: What is the difference between BAT400D-7-F and BAT720,235? A: Both parts share identical electrical specifications: 40 V reverse voltage, 500 mA current rating, 550 mV forward voltage at 500 mA, and fast recovery speed. The primary difference is the manufacturer (Diodes Incorporated versus Nexperia USA Inc.) and package supplier designation (SOT-23-3 versus TO-236AB). Both are ROHS3 compliant.

Q: Can I use BAT750-7-F in place of BAT720,235? A: Yes, for applications where the circuit design permits higher current capacity. BAT750-7-F is rated for 750 mA (versus 500 mA) at 40 V with compatible fast recovery speed and forward voltage characteristics (490 mV @ 750 mA). The part is ROHS3 compliant and maintains surface mount SOT-23-3 package compatibility.

Q: Are BAS40-7-F and BAS40LT1G suitable substitutes for BAT720,235? A: These parts are suitable only for applications where circuit current demand does not exceed their respective ratings (200 mA for BAS40-7-F, 120 mA for BAS40LT1G). Both maintain the 40 V voltage rating and ROHS3 compliance. However, they operate with small signal speed characteristics rather than fast recovery speed, and forward voltage characteristics differ (1 V @ 40 mA versus 550 mV @ 500 mA).

Q: What package compatibility exists between BAT720,235 and substitute parts? A: BAT720,235 is specified as TO-236AB package. All substitute parts use compatible surface mount packages: TO-236-3, SC-59, or SOT-23-3 designations. These are physically and electrically equivalent package forms suitable for PCB assembly without modification.

Q: Do all substitute parts meet the same compliance standards as BAT720,235? A: Yes. All substitute parts listed are ROHS3 compliant, REACH unaffected, and classified as Active product status, matching the regulatory compliance profile of BAT720,235.

Q: What is the temperature operating range difference between BAT720,235 and substitute parts? A: BAT720,235 specifies maximum junction temperature of 125°C. Infineon Technologies parts (BAS40E6327HTSA1, BAS40E6433HTMA1) and onsemi BAS40LT1G extend to 150°C maximum junction temperature. All other substitutes maintain 125°C maximum. Circuit design temperature requirements determine whether extended range is necessary.

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