SMBG16-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBG16-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, part of the TransZorb® series. This surface mount component is designed for general-purpose transient voltage suppression applications with a 16V reverse standoff voltage and 28.8V maximum clamping voltage. The part is currently listed as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement.

Substiute Parts

SMBG16-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1063SMBG16-E3/52 Datasheet

Current PartRFQ

SMBG16A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 885SMBG16A-E3/52 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBG16-E3/52 is determined by the following critical parameters:

• Voltage Rating: Reverse standoff voltage of 16V and breakdown voltage minimum of 17.8V must be maintained
• Package Compatibility: DO-215AA (SMB Gull Wing) surface mount package required for PCB layout compatibility
• Unidirectional Configuration: Single channel Zener diode topology
• Thermal Performance: Operating temperature range of -55°C to 150°C
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The SMBG16A-E3/52 qualifies as a direct substitute based on matching all critical electrical parameters within acceptable tolerances and maintaining identical package specifications.

Parameter Comparison

Engineering Selection Recommendations

The SMBG16A-E3/52 is the recommended substitute for the obsolete SMBG16-E3/52. Both components maintain identical voltage standoff and breakdown specifications, ensuring functional compatibility in circuit protection applications. The substitute part offers improved peak pulse current capability (23.1A versus 20.8A) and a lower maximum clamping voltage (26V versus 28.8V), providing enhanced performance margins.

The SMBG16A-E3/52 carries Active product status, ensuring continued availability and manufacturing support. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements. The identical DO-215AA package and thermal operating range (-55°C to 150°C) enable direct PCB layout compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can SMBG16A-E3/52 be used as a direct replacement for SMBG16-E3/52?

A: Yes. Both components share identical reverse standoff voltage (16V), breakdown voltage (17.8V minimum), and package specifications (DO-215AA SMB Gull Wing). The substitute part meets or exceeds the electrical performance requirements of the original part.

Q: What is the difference in clamping voltage between these parts?

A: The SMBG16-E3/52 specifies a maximum clamping voltage of 28.8V, while the SMBG16A-E3/52 specifies 26V. The lower clamping voltage of the substitute part provides improved transient suppression performance.

Q: Are there packaging differences between these parts?

A: No. Both parts use the DO-215AA (SMB Gull Wing) surface mount package. No PCB layout modifications are required for substitution.

Q: What is the significance of the product status difference?

A: The SMBG16-E3/52 is obsolete, meaning it is no longer manufactured and existing inventory is limited. The SMBG16A-E3/52 is Active, ensuring continued availability and manufacturing support for future procurement.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both the SMBG16-E3/52 and SMBG16A-E3/52 are ROHS3 compliant and REACH unaffected, satisfying equivalent regulatory requirements.

Q: What is the peak pulse current difference?

A: The SMBG16-E3/52 is rated for 20.8A peak pulse current, while the SMBG16A-E3/52 is rated for 23.1A. The substitute part provides higher current handling capability.