SMBJ6.0A-T7 Equivalent & Substitute Parts

Part Overview

The SMBJ6.0A-T7 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component operates with a 6V reverse standoff voltage and provides 10.3V maximum clamping voltage at peak pulse current, delivering 600W peak pulse power dissipation in a compact DO-214AA (SMB) package. The part is active in production status and fully compliant with RoHS3 and REACH regulations. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the TVS diode category.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	6	V
Voltage - Breakdown (Min)	6.67	V
Voltage - Clamping (Max) @ Ipp	10.3	V
Current - Peak Pulse (10/1000µs)	58.3	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Type	Zener	—
Unidirectional Channels	1	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the SMBJ6.0A-T7 are qualified based on the following critical electrical and mechanical parameters:

Voltage - Reverse Standoff (Typ): 6V
Voltage - Breakdown (Min): 6.67V minimum
Voltage - Clamping (Max) @ Ipp: 10.3V maximum
Current - Peak Pulse (10/1000µs): 58.3A minimum
Power - Peak Pulse: 600W
Package / Case: DO-214AA or SMB equivalent
Mounting Type: Surface Mount
Type: Zener, Unidirectional
RoHS3 Compliance: Required
MSL Rating: 1 (Unlimited)

All substitute parts listed maintain these core electrical specifications and mechanical compatibility, ensuring direct functional equivalence in circuit applications.

Parameter Comparison

Manufacturer	Part Number	Voltage - Reverse Standoff (V)	Voltage - Breakdown Min (V)	Voltage - Clamping Max @ Ipp (V)	Current - Peak Pulse (A)	Power - Peak Pulse (W)	Operating Temp (°C)	Package	RoHS3
Littelfuse Inc.	SMBJ6.0A-T7	6	6.67	10.3	58.3	600	-65 to 150	DO-214AA (SMBJ)	Yes
Central Semiconductor Corp	1SMB6.0A TR13 PBFREE	6	6.67	10.3	58.3	600	-65 to 150	SMB	Yes
Diodes Incorporated	SMBJ6.0A-13-F	6	6.67	10.3	58.3	600	-55 to 150	SMB	Yes
Vishay General Semiconductor	SMBJ6.0A-E3/52	6	6.67	10.3	58.3	600	-55 to 150	DO-214AA (SMBJ)	Yes
Taiwan Semiconductor Corporation	SMBJ6V0A	6	6.67	10.3	58.3	600	-55 to 150	DO-214AA (SMB)	Yes
EVVO Semi	SMBJ6.0A	6	6.67	10.3	58.3	600	-65 to 150	SMB	Yes
STMicroelectronics	SMBJ6.0A-TR	6	6.7	10.3	61	600	-55 to 150	SMB (DO-214AA)	Yes

Engineering Selection Recommendations

All listed substitute parts maintain active production status and full RoHS3 compliance, meeting regulatory requirements for modern electronics manufacturing. The SMBJ6.0A-T7 and its equivalents are suitable for direct substitution in general-purpose transient voltage suppression applications.

For applications requiring the extended lower temperature operating range of -65°C, the SMBJ6.0A-T7 (Littelfuse) and SMBJ6.0A (EVVO Semi) are preferred selections. For applications with standard industrial temperature requirements (-55°C minimum), all substitute parts are functionally equivalent.

The STMicroelectronics SMBJ6.0A-TR variant exhibits a slightly elevated peak pulse current specification (61A versus 58.3A), providing additional margin in transient suppression performance while maintaining the same clamping voltage and power dissipation ratings.

All parts carry MSL 1 (Unlimited) moisture sensitivity classification, indicating no special moisture control requirements during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can SMBJ6.0A-T7 be directly replaced with 1SMB6.0A TR13 PBFREE?

A: Yes. Both parts share identical electrical specifications (6V standoff, 10.3V clamping, 58.3A peak pulse current, 600W power dissipation) and SMB package compatibility. The primary difference is manufacturer (Littelfuse versus Central Semiconductor Corp). Both are RoHS3 compliant with MSL 1 rating.

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

A: DO-214AA and SMB refer to the same physical package form factor for surface-mount diodes. These designations are interchangeable in PCB design and assembly. All listed substitute parts use this identical package.

Q: Is the SMBJ6.0A-TR from STMicroelectronics a suitable replacement?

A: Yes. The SMBJ6.0A-TR maintains the same 6V standoff voltage, 10.3V clamping voltage, and 600W power dissipation. The peak pulse current specification is 61A (versus 58.3A), which represents improved performance margin. Operating temperature range is -55°C to 150°C, suitable for standard industrial applications.

Q: Do all substitute parts require the same PCB footprint?

A: Yes. All listed parts use the DO-214AA (SMB) package, which maintains identical PCB footprint and land pattern requirements. No layout modifications are necessary when substituting between these parts.

Q: Are there any compliance or certification differences between substitute parts?

A: All substitute parts listed are RoHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity classification. No compliance or certification differences exist that would affect component selection.

Q: What determines whether a part qualifies as a substitute for SMBJ6.0A-T7?

A: Substitution is based on matching the following parameters: 6V reverse standoff voltage, minimum 6.67V breakdown voltage, maximum 10.3V clamping voltage, minimum 58.3A peak pulse current, 600W peak pulse power, DO-214AA/SMB package, surface-mount configuration, and RoHS3 compliance. All listed parts meet these criteria.

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