SMB10J14A-M3/52 Equivalent & Substitute Parts

Part Overview

The SMB10J14A-M3/52 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component operates as a surface mount device in the DO-214AA (SMB) package and is designed for general purpose transient voltage suppression applications. The part is currently in active product status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained within the specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	14	V
Voltage - Breakdown (Min)	15.6	V
Voltage - Clamping (Max) @ Ipp	23.2	V
Current - Peak Pulse (10/1000µs)	43.1	A
Power - Peak Pulse	1000	W
Operating Temperature Range	-55 to 150	°C
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the SMB10J14A-M3/52 are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 14V
Voltage - Breakdown (Min): 15.6V
Voltage - Clamping (Max) @ Ipp: 23.2V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Unidirectional Channels: 1

Allowable Variations:

Current - Peak Pulse (10/1000µs): Substitute parts may operate at lower peak pulse current (25.8A to 25.9A) while maintaining the same clamping voltage specification
Power - Peak Pulse: Substitute parts rated at 600W are acceptable as they maintain the same voltage protection characteristics
Operating Temperature Range: Substitute parts with extended or equivalent temperature ranges (-50°C to 175°C) are acceptable

All identified substitute parts maintain identical voltage specifications (14V standoff, 15.6V breakdown, 23.2V clamping) and package compatibility, ensuring functional equivalence in transient voltage suppression applications.

Parameter Comparison

Parameter	SMB10J14A-M3/52 (Vishay)	SMBJ14A (MDD)	SMBJ14A-13-F (Diodes Inc)	SMBJ14A-TP (Micro Commercial Co)
Manufacturer	Vishay General Semiconductor	MDD	Diodes Incorporated	Micro Commercial Co
Voltage - Reverse Standoff (Typ)	14V	14V	14V	14V
Voltage - Breakdown (Min)	15.6V	15.6V	15.6V	15.6V
Voltage - Clamping (Max) @ Ipp	23.2V	23.2V	23.2V	23.2V
Current - Peak Pulse (10/1000µs)	43.1A	25.9A	25.8A	25.8A
Power - Peak Pulse	1000W	600W	600W	600W
Operating Temperature Range	-55 to 150°C	-50 to 150°C	-55 to 150°C	-55 to 175°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All identified substitute parts maintain active product status and ROHS3 compliance, meeting regulatory requirements equivalent to the primary part. Selection among substitute options should be based on application-specific requirements:

SMBJ14A (MDD): Suitable for applications where the 25.9A peak pulse current specification is sufficient. Operating temperature range of -50 to 150°C covers standard industrial applications.

SMBJ14A-13-F (Diodes Incorporated): Provides equivalent performance with -55 to 150°C operating range, matching the primary part's lower temperature limit. Tape & Reel packaging available.

SMBJ14A-TP (Micro Commercial Co): Offers extended operating temperature range to 175°C, providing additional thermal margin for high-temperature environments. Tape & Reel packaging available.

All substitute parts are qualified for general purpose transient voltage suppression with identical voltage protection characteristics (14V standoff, 15.6V breakdown, 23.2V clamping).

Frequently Asked Questions (FAQ)

Q: Can SMBJ14A parts with 25.8A to 25.9A peak pulse current replace the SMB10J14A-M3/52 rated at 43.1A?

A: Yes. The substitute parts maintain identical voltage specifications (14V standoff, 15.6V breakdown, 23.2V clamping). The lower peak pulse current rating indicates a different thermal design but does not affect the voltage suppression function. Selection depends on whether the application requires the higher current handling of the primary part.

Q: Are all substitute parts compatible with the DO-214AA (SMB) package footprint?

A: Yes. All identified substitute parts use the DO-214AA (SMB) package and are compatible with existing PCB layouts designed for the SMB10J14A-M3/52.

Q: What is the difference between Tape & Reel (TR) and standard packaging?

A: Tape & Reel packaging is used for automated assembly processes. SMBJ14A-13-F and SMBJ14A-TP are available in Tape & Reel format, while SMBJ14A (MDD) packaging is not specified. Both formats contain identical components; packaging selection depends on manufacturing process requirements.

Q: Do substitute parts meet the same compliance standards?

A: Yes. All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) rating, matching the primary part's regulatory status.

Q: Which substitute part should be selected for high-temperature applications?

A: SMBJ14A-TP (Micro Commercial Co) offers the extended operating temperature range to 175°C, providing the highest thermal capability among the substitute options.

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