SMBJ60 Equivalent & Substitute Parts

Part Overview

The SMBJ60 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. The device features a 60V reverse standoff voltage with a 101.64V maximum clamping voltage at peak pulse current and 600W peak pulse power handling capability in a DO-214AA (SMB) package. The SMBJ60 is classified as obsolete, necessitating identification of active equivalent parts that maintain electrical and mechanical compatibility for new designs and production continuity.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	60	V
Voltage - Breakdown (Min)	63.18	V
Voltage - Clamping (Max) @ Ipp	101.64	V
Current - Peak Pulse (10/1000µs)	6.2	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the SMBJ60 are qualified based on the following electrical and mechanical parameters:

Voltage - Reverse Standoff (Typ): 60V
Voltage - Clamping (Max) @ Ipp: 96.8V to 101.64V range
Current - Peak Pulse (10/1000µs): 6.2A
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

All identified substitute parts maintain the same reverse standoff voltage, peak pulse current, and peak pulse power rating. Clamping voltage variations within the specified range are acceptable for general-purpose transient suppression applications. All substitutes are available in the same DO-214AA (SMB) surface-mount package and comply with ROHS3 requirements.

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)	Product Status	Package
SMBJ60	Littelfuse Inc.	60	63.18	101.64	6.2	600	-65 to 150	Obsolete	DO-214AA, SMB
SMBJ60A	MDD	60	66.7	96.8	6.2	600	-50 to 150	Active	DO-214AA, SMB
SMBJ60A-13-F	Diodes Incorporated	60	66.7	96.8	6.2	600	-55 to 150	Active	DO-214AA, SMB
SMBJ60A-E3/5B	Vishay General Semiconductor - Diodes Division	60	66.7	96.8	6.2	600	-55 to 150	Active	DO-214AA, SMB
SMBJ60A-TP	Micro Commercial Co	60	66.7	96.8	6.2	600	-55 to 175	Active	DO-214AA, SMB

Engineering Selection Recommendations

All identified substitute parts are active products with ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance for current manufacturing environments. The SMBJ60A from MDD, SMBJ60A-13-F from Diodes Incorporated, SMBJ60A-E3/5B from Vishay, and SMBJ60A-TP from Micro Commercial Co are direct functional equivalents to the obsolete SMBJ60.

Selection among active substitutes should prioritize availability and supply chain stability. The SMBJ60A-TP from Micro Commercial Co offers the widest operating temperature range (-55 to 175°C), providing additional thermal margin for applications requiring extended temperature performance. The SMBJ60A-E3/5B from Vishay is available under the TransZorb® product line, which carries established reliability documentation in industrial applications.

All substitute parts maintain identical reverse standoff voltage (60V), peak pulse current (6.2A), and peak pulse power (600W) specifications. Clamping voltage differences (96.8V versus 101.64V) remain within acceptable tolerance for general-purpose transient suppression and do not affect functional compatibility in standard circuit protection applications.

Frequently Asked Questions (FAQ)

Q: Can SMBJ60A parts directly replace the obsolete SMBJ60?

A: Yes. The SMBJ60A variants maintain identical reverse standoff voltage (60V), peak pulse current (6.2A), and peak pulse power (600W) specifications. All are packaged in DO-214AA (SMB) surface-mount format with ROHS3 compliance. Clamping voltage differences (96.8V versus 101.64V) are within acceptable operating ranges for general-purpose transient suppression.

Q: What is the significance of the clamping voltage difference between SMBJ60 (101.64V) and SMBJ60A variants (96.8V)?

A: Clamping voltage represents the maximum voltage across the device during peak pulse current. The SMBJ60A variants clamp at a lower voltage, providing slightly more aggressive transient suppression. This difference is acceptable for general-purpose applications and does not compromise circuit protection effectiveness.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts are available in DO-214AA (SMB) surface-mount package, ensuring mechanical and footprint compatibility with existing PCB designs.

Q: Which substitute part offers the best thermal performance?

A: The SMBJ60A-TP from Micro Commercial Co supports the widest operating temperature range (-55 to 175°C), compared to -50 to 150°C for MDD SMBJ60A and -55 to 150°C for Diodes Incorporated and Vishay variants. This provides additional thermal margin for high-temperature applications.

Q: Do all substitute parts comply with current regulatory requirements?

A: Yes. All active substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component manufacturing and distribution.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in Tape & Reel (TR) packaging for automated assembly and bulk quantities, as well as standard packaging formats. Verify specific packaging availability with your supplier based on production volume requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message