SMBJ54D-M3/H Equivalent & Substitute Parts

Part Overview

The SMBJ54D-M3/H is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 54V reverse standoff voltage class and is designed for general-purpose transient protection applications. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical performance parameters and package compatibility within the DO-214AA/SMB form factor.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	54	V
Voltage - Breakdown (Min)	60.9	V
Voltage - Clamping (Max) @ Ipp	85.9	V
Current - Peak Pulse (10/1000µs)	7	A
Power - Peak Pulse	600	W
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature Range	-55 to 150	°C (TJ)
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SMBJ54D-M3/H are qualified based on the following electrical and mechanical parameters:

Voltage Class: Reverse standoff voltage of 54V (±tolerance)
Breakdown Voltage: Minimum 60V range
Clamping Voltage: Maximum range 85.9V to 87.1V at peak pulse current
Peak Pulse Current: 6.9A to 7A at 10/1000µs waveform
Power Dissipation: 600W peak pulse rating
Package Compatibility: DO-214AA or SMB surface mount form factor
Compliance: RoHS3 compliant, MSL 1 rating
Application Class: General-purpose transient voltage suppression

All identified substitutes maintain electrical equivalence within these parameters and are compatible with the original part's circuit function and PCB footprint.

Parameter Comparison

Parameter	SMBJ54D-M3/H (Vishay)	SMBJ54A-E3/52 (Vishay)	SMBJ54A (MDD)	SMBJ54A-13-F (Diodes Inc.)
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	MDD	Diodes Incorporated
Voltage - Reverse Standoff (Typ)	54V	54V	54V	54V
Voltage - Breakdown (Min)	60.9V	60V	60V	60V
Voltage - Clamping (Max) @ Ipp	85.9V	87.1V	87.1V	87.1V
Current - Peak Pulse (10/1000µs)	7A	6.9A	6.9A	6.9A
Power - Peak Pulse	600W	600W	600W	600W
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Operating Temperature Range	-55 to 150°C	-55 to 150°C	-50 to 150°C	-55 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain active production status and full RoHS3 compliance. Selection among equivalent parts should be based on:

Vishay SMBJ54A-E3/52: Recommended for applications requiring manufacturer continuity with the original SMBJ54D-M3/H. Maintains identical operating temperature range (-55 to 150°C) and Vishay TransZorb® series designation. Clamping voltage of 87.1V represents a 1.2V increase from the original part, acceptable within general-purpose transient suppression applications.

MDD SMBJ54A: Suitable for cost-optimized designs where the reduced lower operating temperature limit (-50°C minimum) is acceptable. Electrical parameters and compliance certifications are equivalent to other substitutes.

Diodes Incorporated SMBJ54A-13-F: Provides highest inventory availability (15,300 units) and maintains the full operating temperature range (-55 to 150°C). Electrical performance is equivalent to other substitutes with 87.1V clamping voltage.

All parts are REACH unaffected and carry EAR99 export classification. Selection should confirm application-specific temperature requirements and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can SMBJ54A-E3/52 directly replace SMBJ54D-M3/H in existing designs?

A: Yes. Both parts share identical reverse standoff voltage (54V), equivalent breakdown voltage (60V minimum), and matching 600W peak pulse power rating. The 1.2V increase in clamping voltage (87.1V vs. 85.9V) remains within acceptable tolerance for general-purpose transient suppression circuits. Package and mounting type are identical (DO-214AA, SMB surface mount).

Q: What is the significance of the clamping voltage difference between the main part and substitutes?

A: The main part SMBJ54D-M3/H specifies 85.9V maximum clamping voltage, while substitutes specify 87.1V. This 1.2V variance is within normal manufacturing tolerance for the 54V voltage class and does not affect functional equivalence for transient protection applications. Both values ensure adequate voltage suppression within the specified 54V standoff class.

Q: Are there temperature range limitations when using the MDD SMBJ54A substitute?

A: The MDD SMBJ54A operates from -50°C to 150°C, compared to -55°C minimum for other parts. Applications requiring operation below -50°C junction temperature should use SMBJ54A-E3/52 or SMBJ54A-13-F to maintain the full -55°C lower limit.

Q: Do all substitute parts use the same DO-214AA package footprint?

A: Yes. All listed substitutes use DO-214AA (SMB) surface mount packaging, ensuring PCB footprint compatibility with the original SMBJ54D-M3/H design without layout modifications.

Q: What compliance certifications apply to all substitute parts?

A: All parts are RoHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited moisture sensitivity) rating. Export classification is EAR99 for all parts listed.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message