SMBJ16C Equivalent & Substitute Parts

Part Overview

The SMBJ16C is a 16V Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose overvoltage protection in surface-mount applications. This component features a 27.3V maximum clamping voltage and 23.1A peak pulse current capability in a DO-214AA (SMB) package. The SMBJ16C is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain electrical compatibility across reverse standoff voltage, breakdown voltage, clamping voltage, and peak pulse current specifications while supporting the same surface-mount package format.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	16	V
Voltage - Breakdown (Min)	16.88	V
Voltage - Clamping (Max) @ Ipp	27.3	V
Current - Peak Pulse (10/1000µs)	23.1	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Mounting Type	Surface Mount
Package / Case	DO-214AA, SMB
Type	Zener
Bidirectional Channels	1

Substitute Part Grouping Explanation

Substitution eligibility for the SMBJ16C is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff (Typ): 16V
Voltage - Breakdown (Min): minimum 16.88V
Voltage - Clamping (Max) @ Ipp: maximum 27.3V
Current - Peak Pulse (10/1000µs): 23.1A
Power - Peak Pulse: 600W
Mounting Type: Surface Mount
Package / Case: DO-214AA, SMB
Type: Zener, Bidirectional, 1 Channel

All identified substitute parts maintain these electrical specifications within the defined tolerances. Substitute parts are grouped by manufacturer and product status to facilitate selection based on availability and supply chain requirements.

Parameter Comparison

Parameter	SMBJ16C (Littelfuse)	SMBJ16CA (EVVO Semi)	SMBJ16CA-13-F (Diodes Inc.)	SMBJ16CA-TP (Micro Commercial Co)
Voltage - Reverse Standoff (Typ)	16V	16V	16V	16V
Voltage - Breakdown (Min)	16.88V	17.8V	17.8V	17.8V
Voltage - Clamping (Max) @ Ipp	27.3V	26V	26V	26V
Current - Peak Pulse (10/1000µs)	23.1A	23.1A	23.1A	23.1A
Power - Peak Pulse	600W	600W	600W	600W
Operating Temperature Range	-65 to 150°C	-65 to 150°C	-55 to 150°C	-55 to 175°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Type	Zener	Zener	Zener	Zener
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All identified substitute parts are active products with ROHS3 compliance and MSL Level 1 rating, ensuring long-term availability and environmental regulatory alignment.

SMBJ16CA (EVVO Semi) is available in high volume (29,200 pcs) with Cut Tape and Digi-Reel packaging options, supporting flexible procurement strategies for both prototype and production quantities.

SMBJ16CA-13-F (Diodes Incorporated) is manufacturer-recommended and available in high volume (53,300 pcs) with Tape & Reel packaging. This part includes REACH Unaffected status and maintains the SMBJ series designation, providing direct lineage to the original design.

SMBJ16CA-TP (Micro Commercial Co) is manufacturer-recommended with extended operating temperature range (-55 to 175°C) and is available in moderate volume (3,000 pcs) with Tape & Reel packaging. This variant offers the widest thermal operating window among substitute options.

All substitute parts maintain electrical equivalence within specified tolerances and support identical PCB footprints and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can SMBJ16CA substitute for SMBJ16C in existing designs?

A: Yes. SMBJ16CA maintains identical reverse standoff voltage (16V), peak pulse current (23.1A), and power dissipation (600W). The clamping voltage is 26V versus 27.3V on the original, representing a 4.8% reduction within acceptable design margins for general-purpose overvoltage protection applications.

Q: What is the difference between SMBJ16CA and SMBJ16CA-13-F?

A: Both parts are electrically equivalent with identical electrical specifications. SMBJ16CA-13-F is manufactured by Diodes Incorporated and carries manufacturer-recommended status. SMBJ16CA is supplied by EVVO Semi. Selection depends on supply chain preference and packaging requirements (Tape & Reel versus Cut Tape/Digi-Reel).

Q: Does SMBJ16CA-TP offer advantages over other substitutes?

A: SMBJ16CA-TP provides an extended operating temperature range of -55 to 175°C compared to -65 to 150°C on the original SMBJ16C and -55 to 150°C on SMBJ16CA-13-F. This extended range is beneficial for high-temperature applications. Electrical specifications remain equivalent across all variants.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts carry ROHS3 compliance certification and MSL Level 1 rating, meeting current environmental and reliability standards for commercial and industrial applications.

Q: What packaging options are available for substitutes?

A: SMBJ16CA is available in Cut Tape (CT) and Digi-Reel packaging. SMBJ16CA-13-F and SMBJ16CA-TP are supplied in Tape & Reel (TR) format. All parts use identical DO-214AA (SMB) surface-mount package geometry, supporting direct PCB footprint compatibility.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All substitute parts share the DO-214AA (SMB) package format with identical pin configuration, polarity, and footprint dimensions, enabling direct substitution without PCB redesign or assembly process modification.

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