SMBJ16 Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The SMBJ16 is a unidirectional Zener-type transient voltage suppressor manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. The device features a 16V reverse standoff voltage with 27.3V maximum clamping voltage and 23.1A peak pulse current capability in a DO-214AA (SMB) package. The SMBJ16 is classified as obsolete; equivalent and substitute parts listed below provide active alternatives with compatible electrical and mechanical specifications for direct replacement in new designs and production continuity.

Key Parameters

Parameter	SMBJ16 (Main Part)
Manufacturer	Littelfuse Inc.
Part Number	SMBJ16
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Unidirectional Channels	1
Voltage - Reverse Standoff (Typ)	16V
Voltage - Breakdown (Min)	16.88V
Voltage - Clamping (Max) @ Ipp	27.3V
Current - Peak Pulse (10/1000µs)	23.1A
Power - Peak Pulse	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature	-65°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the SMBJ16 are qualified based on the following critical parameters that determine functional equivalence:

Reverse standoff voltage: 16V (nominal)
Breakdown voltage minimum: 16.88V or higher
Clamping voltage maximum @ Ipp: 26V to 27.3V range
Peak pulse current: 23.1A or higher
Peak pulse power: 600W or higher
Package type: DO-214AA (SMB) or compatible surface-mount package
Unidirectional configuration: Single channel
Zener diode type
RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)

All substitute parts maintain compatibility with the original SMBJ16 electrical performance envelope and PCB footprint requirements.

Parameter Comparison

Parameter	SMBJ16	SMBJ16A (EVVO Semi)	SMB10J16A-E3/52 (Vishay)	SMB10J16A-E3/5B (Vishay)	SMBJ16A-13-F (Diodes Inc.)	SMBJ16A-TP (MCC)	SMBJ16A-TR (STMicroelectronics)	TV06B160J-G (Comchip)
Voltage - Reverse Standoff (Typ)	16V	16V	16V	16V	16V	16V	16V	16V
Voltage - Breakdown (Min)	16.88V	17.8V	17.8V	17.8V	17.8V	17.8V	17.8V	17.8V
Voltage - Clamping (Max) @ Ipp	27.3V	26V	26V	26V	26V	26V	26V	26V
Current - Peak Pulse (10/1000µs)	23.1A	23.1A	38.5A	38.5A	23.1A	23.1A	23.1A	23.08A
Power - Peak Pulse	600W	600W	1000W	1000W	600W	600W	600W	600W
Package / Case	DO-214AA, SMB	DO-214AC, SMA	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 150°C	Not specified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed are active products with ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring long-term availability and manufacturing compatibility.

Direct Electrical Equivalents (600W Power Rating): SMBJ16A-13-F (Diodes Incorporated), SMBJ16A-TP (Micro Commercial Co), SMBJ16A-TR (STMicroelectronics), and TV06B160J-G (Comchip Technology) maintain the original 23.1A peak pulse current and 600W power dissipation specification. These parts are suitable for applications requiring identical power handling characteristics to the SMBJ16.

Enhanced Performance Alternative (1000W Power Rating): SMB10J16A-E3/52 and SMB10J16A-E3/5B (Vishay General Semiconductor - TransZorb® series) provide increased peak pulse current (38.5A) and power rating (1000W) while maintaining the same 16V reverse standoff and 26V clamping voltage. These parts offer superior transient protection margin and are applicable where higher energy absorption is beneficial.

Package Consideration: SMBJ16A (EVVO Semi) uses DO-214AC (SMA) package instead of DO-214AA (SMB). This part requires PCB footprint verification before selection, as SMA and SMB packages have different land patterns despite similar form factors.

All substitute parts maintain single-channel unidirectional Zener diode configuration and general-purpose application suitability.

Frequently Asked Questions (FAQ)

Q: Can SMBJ16A-TR replace SMBJ16 directly on existing PCBs?

A: Yes. SMBJ16A-TR maintains DO-214AA (SMB) package compatibility, 16V reverse standoff voltage, 26V clamping voltage, and 23.1A peak pulse current. The part is pin-compatible and footprint-compatible with the original SMBJ16.

Q: What is the difference between the Vishay SMB10J16A variants and other substitutes?

A: SMB10J16A-E3/52 and SMB10J16A-E3/5B provide higher peak pulse current (38.5A) and power rating (1000W) compared to the standard 23.1A/600W specification. The clamping voltage remains at 26V. These parts are suitable for applications requiring enhanced transient energy absorption.

Q: Is SMBJ16A (EVVO Semi) compatible with SMBJ16 PCB layouts?

A: SMBJ16A uses DO-214AC (SMA) package, which differs from the original DO-214AA (SMB) package. PCB footprint verification is required. SMA and SMB packages have different land pattern dimensions and may not be directly interchangeable without layout modification.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed meet ROHS3 compliance requirements and carry MSL 1 (Unlimited) moisture sensitivity rating, suitable for standard manufacturing and storage conditions.

Q: What is the operating temperature range difference between substitutes?

A: Most substitutes operate from -55°C to 150°C. SMBJ16A-TP (Micro Commercial Co) extends to -55°C to 175°C, providing wider high-temperature operation. The original SMBJ16 operates from -65°C to 150°C. Temperature range selection depends on application thermal requirements.

Q: Can SMB10J16A-E3/52 be used in place of SMBJ16 in all applications?

A: SMB10J16A-E3/52 is electrically compatible with higher transient energy capability. The 26V clamping voltage and 16V standoff voltage match the SMBJ16 specification. The enhanced 38.5A peak pulse current and 1000W power rating provide additional protection margin and do not create compatibility issues in standard applications.

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