SMBJ58AE3/TR13 Equivalent & Substitute Parts

Part Overview

The SMBJ58AE3/TR13 is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose overvoltage protection in surface-mount applications. This component operates with a 58V reverse standoff voltage and provides 93.6V maximum clamping voltage at peak pulse current. The part is actively produced, ROHS3 compliant, and available in high inventory quantities (844 pcs in stock). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and regulatory compliance to support component sourcing flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	58	V
Voltage - Breakdown (Min)	64.4	V
Voltage - Clamping (Max) @ Ipp	93.6	V
Current - Peak Pulse (10/1000µs)	6.4	A
Power - Peak Pulse	600	W
Package / Case	DO-214AA, SMB	-
Mounting Type	Surface Mount	-
Operating Temperature	-65 to 150	°C (TJ)
Type	Zener	-
Unidirectional Channels	1	-
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the SMBJ58AE3/TR13 are qualified based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

Voltage - Reverse Standoff (Typ): 58V
Voltage - Breakdown (Min): 64.4V
Voltage - Clamping (Max) @ Ipp: 93.6V
Current - Peak Pulse (10/1000µs): 6.4A (±0.3A tolerance acceptable)
Power - Peak Pulse: 600W
Package / Case: DO-214AA or SMB
Mounting Type: Surface Mount
Type: Zener, Unidirectional
RoHS Status: ROHS3 Compliant

Substitution Categories:

Direct Equivalents (identical electrical and mechanical specifications):

1SMB58A TR13 PBFREE (Central Semiconductor Corp)
SMBJ58A-13-F (Diodes Incorporated)
SMBJ58A-E3/52 (Vishay General Semiconductor)

Functional Equivalents (matching core electrical parameters with minor variations):

SMBJ58A (Meritek) - Peak pulse current 6.41A, operating temperature -55°C to 150°C
SMBJ58A-TR (STMicroelectronics) - Peak pulse current 6.7A, operating temperature -55°C to 150°C

All substitute parts maintain identical voltage specifications, power rating, package form factor, and regulatory compliance status.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (V)	Voltage - Breakdown Min (V)	Voltage - Clamping Max @ Ipp (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temperature (°C)	Package	RoHS Status
SMBJ58AE3/TR13	Microchip Technology	58	64.4	93.6	6.4	600	-65 to 150	DO-214AA, SMB	ROHS3
1SMB58A TR13 PBFREE	Central Semiconductor Corp	58	64.4	93.6	6.4	600	-65 to 150	DO-214AA, SMB	ROHS3
SMBJ58A	Meritek	58	64.4	93.6	6.41	600	-55 to 150	DO-214AA (SMB)	ROHS3
SMBJ58A-13-F	Diodes Incorporated	58	64.4	93.6	6.4	600	-55 to 150	DO-214AA, SMB	ROHS3
SMBJ58A-E3/52	Vishay General Semiconductor	58	64.4	93.6	6.4	600	-55 to 150	DO-214AA, SMB	ROHS3
SMBJ58A-TR	STMicroelectronics	58	64.4	93.6	6.7	600	-55 to 150	DO-214AA, SMB	ROHS3

Engineering Selection Recommendations

Primary Selection Criteria:

All listed substitute parts maintain active product status and ROHS3 compliance, meeting regulatory requirements for current production and deployment. Selection between equivalent options should be based on:

Inventory Availability: SMBJ58A (Meritek) offers the highest stock level at 17,400 pcs, followed by SMBJ58A-TR (STMicroelectronics) at 47,794 pcs. The original SMBJ58AE3/TR13 (Microchip Technology) maintains 844 pcs in stock.
Operating Temperature Range: The original part specifies -65°C to 150°C junction temperature. Substitute parts from Diodes Incorporated, Vishay, STMicroelectronics, and Meritek operate within -55°C to 150°C. Applications requiring operation below -55°C must retain the original Microchip part.
Peak Pulse Current Tolerance: The original specification is 6.4A. SMBJ58A (Meritek) provides 6.41A and SMBJ58A-TR (STMicroelectronics) provides 6.7A. Both variations remain within acceptable tolerance for general-purpose TVS applications.
Packaging and Tape Configuration: 1SMB58A TR13 PBFREE (Central Semiconductor) and SMBJ58AE3/TR13 (Microchip) both specify Tape & Reel (TR) packaging. Alternative packaging formats (Cut Tape & Digi-Reel) from other manufacturers are suitable for non-continuous production environments.
Regulatory and Compliance Status: All parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS codes (8541.10.0080), ensuring equivalent regulatory treatment.

Frequently Asked Questions (FAQ)

Q: Can SMBJ58A-TR (STMicroelectronics) with 6.7A peak pulse current replace SMBJ58AE3/TR13 with 6.4A?

A: Yes. The 6.7A specification represents enhanced performance within the same voltage class. The additional 0.3A peak pulse current provides equivalent or superior transient suppression capability. This part is suitable for applications where the original 6.4A specification is met or exceeded.

Q: What is the impact of the -55°C lower operating temperature limit on substitute parts?

A: Substitute parts from Diodes Incorporated, Vishay, STMicroelectronics, and Meritek specify -55°C to 150°C junction temperature, compared to the original -65°C to 150°C. Applications operating below -55°C ambient or junction temperature require the original Microchip part. For standard industrial and commercial temperature ranges (-40°C to 85°C ambient), all substitute parts are fully compatible.

Q: Are tape and reel packaging differences significant for substitution?

A: Packaging format differences (Tape & Reel vs. Cut Tape & Digi-Reel) affect handling and automated assembly processes but do not impact electrical performance or compatibility. Selection depends on production volume and assembly equipment. High-volume continuous production favors Tape & Reel formats; lower-volume or mixed-assembly environments accommodate Cut Tape formats.

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

A: Yes. All listed substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no moisture-related storage restrictions.

Q: What is the basis for electrical equivalence between these TVS diodes?

A: Equivalence is established through matching of critical electrical parameters: 58V reverse standoff voltage, 64.4V minimum breakdown voltage, 93.6V maximum clamping voltage, and 600W peak pulse power rating. These parameters define the transient suppression performance envelope. Peak pulse current variations within ±0.3A are acceptable within the same voltage class and power rating.

Q: Can substitute parts be mixed within a single production batch?

A: Yes, provided the application design does not specify a single manufacturer or part number. All substitute parts deliver identical voltage suppression performance and regulatory compliance. Mixed sourcing is acceptable for general-purpose TVS applications where component interchangeability is verified at the circuit level.

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