1SMB54A TR13 Equivalent & Substitute Parts

Part Overview

The 1SMB54A TR13 is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Central Semiconductor Corp in the DO-214AA (SMB) surface mount package. This component is rated for 54V reverse standoff voltage with an 87.1V maximum clamping voltage at 6.9A peak pulse current and 600W peak pulse power dissipation. The part is designed for general-purpose transient voltage suppression applications and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). The product maintains active status with 687 units currently in stock.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative sourcing improves lead times or cost efficiency, or when design flexibility requires multiple qualified component options across different manufacturers while maintaining identical electrical and mechanical performance.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	54	V
Voltage - Breakdown (Min)	60	V
Voltage - Clamping (Max) @ Ipp	87.1	V
Current - Peak Pulse (10/1000µs)	6.9	A
Power - Peak Pulse	600	W
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Type	Zener	—
Unidirectional Channels	1	—
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitute parts for the 1SMB54A TR13 are qualified based on strict electrical and mechanical parameter matching. The substitution logic requires all of the following criteria to be met:

Voltage - Reverse Standoff (Typ): 54V
Voltage - Breakdown (Min): 60V minimum
Voltage - Clamping (Max) @ Ipp: 87.1V or lower (protective margin)
Current - Peak Pulse (10/1000µs): 6.9A or higher
Power - Peak Pulse: 600W or higher
Package / Case: DO-214AA, SMB (surface mount)
Mounting Type: Surface Mount
Type: Zener
Unidirectional Channels: 1
RoHS Status: ROHS3 Compliant
Product Status: Active

Parts are grouped into two categories: Upgrade Manufacturer Parts (enhanced specifications or packaging) and MFR Recommended Parts (equivalent electrical performance from alternative manufacturers).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package / Case	Inventory
1SMB54A TR13	Central Semiconductor Corp	54V	60V	87.1V	6.9A	600W	-65°C ~ 150°C	DO-214AA, SMB	687 Pcs
SMBJ54A-TP	Micro Commercial Co	54V	60V	87.1V	6.9A	600W	-55°C ~ 175°C	DO-214AA, SMB	3892 Pcs
SMBJ54A	MDD	54V	60V	87.1V	6.9A	600W	-50°C ~ 150°C	DO-214AA, SMB	3400 Pcs
SMBJ54A-13-F	Diodes Incorporated	54V	60V	87.1V	6.9A	600W	-55°C ~ 150°C	DO-214AA, SMB	15300 Pcs
SMBJ54A-E3/52	Vishay General Semiconductor - Diodes Division	54V	60V	87.1V	6.9A	600W	-55°C ~ 150°C	DO-214AA, SMB	2050 Pcs
SMBJ54D-M3/I	Vishay General Semiconductor - Diodes Division	54V	60.9V	85.9V	7A	600W	-55°C ~ 150°C	DO-214AA, SMB	7381 Pcs

Engineering Selection Recommendations

All substitute parts listed maintain active product status and ROHS3 compliance, meeting regulatory and supply chain requirements equivalent to the original 1SMB54A TR13.

SMBJ54A-TP (Micro Commercial Co) provides the widest operating temperature range (-55°C ~ 175°C) with the highest inventory availability (3892 units), making it suitable for applications requiring extended thermal performance or rapid procurement.

SMBJ54A-13-F (Diodes Incorporated) offers the largest inventory stock (15300 units) with standard operating temperature range (-55°C ~ 150°C), providing optimal lead time and supply chain flexibility.

SMBJ54A-E3/52 (Vishay TransZorb® series) and SMBJ54A (MDD) maintain identical electrical specifications with operating temperature ranges of -55°C ~ 150°C and -50°C ~ 150°C respectively, supporting direct substitution in standard applications.

SMBJ54D-M3/I (Vishay TransZorb® series) exhibits slightly enhanced peak pulse current (7A versus 6.9A) and lower clamping voltage (85.9V versus 87.1V), providing improved transient suppression performance while maintaining 600W peak pulse power and identical reverse standoff voltage.

Frequently Asked Questions (FAQ)

Q: Can SMBJ54D-M3/I be used as a direct substitute for 1SMB54A TR13?

A: SMBJ54D-M3/I meets the core substitution criteria with 54V reverse standoff voltage, 600W peak pulse power, and DO-214AA SMB package. The part exhibits enhanced specifications: 7A peak pulse current (versus 6.9A) and 85.9V clamping voltage (versus 87.1V). This represents improved transient suppression performance and is electrically compatible for general-purpose applications.

Q: What is the difference between SMB and DO-214AA package designations?

A: SMB and DO-214AA refer to the same physical package. SMB is the industry common name, while DO-214AA is the formal JEDEC designation. All substitute parts use this identical package, ensuring mechanical and thermal compatibility.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory compliance of the original 1SMB54A TR13.

Q: Which substitute part has the best inventory availability?

A: SMBJ54A-13-F (Diodes Incorporated) provides the highest inventory stock at 15300 units, followed by SMBJ54A-TP (Micro Commercial Co) at 3892 units.

Q: Do operating temperature ranges affect substitution suitability?

A: Operating temperature ranges do not disqualify substitution. The original part operates -65°C ~ 150°C. Substitute parts with narrower ranges (-50°C ~ 150°C or -55°C ~ 150°C) remain suitable for applications within those specified limits. SMBJ54A-TP with -55°C ~ 175°C range provides extended thermal capability for demanding environments.

Q: Are there any electrical performance differences between substitute parts?

A: All substitute parts except SMBJ54D-M3/I maintain identical electrical specifications to the original 1SMB54A TR13. SMBJ54D-M3/I provides enhanced performance with 7A peak pulse current and 85.9V clamping voltage, representing improved transient suppression margin.

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