What are the key electrical specs?

It features a 28V reverse stand-off voltage, a breakdown voltage range of 31.1V to 34.4V, and a maximum clamping voltage of 45.4V.

What is the package type?

It comes in a compact SOD-123FL surface mount package, which helps optimize board space.

What are the typical applications?

It is ideal for protecting I/O interfaces, VCC buses, and other vulnerable circuits in telecom, computer, and consumer electronic devices.

What is the sourcing risk?

With high stock availability and active lifecycle status, the sourcing risk is low.

What is the pinout of SMF28CA?

Use the SMF28CA datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about SMF28CA pinout to locate pins, power rails, and interface signals before layout.

SMF28CA Datasheet, Specs, Alternatives & ECAD | Meritek

AI summary

The SMF28CA is a reliable 200W bidirectional TVS diode in a SOD-123FL package, ideal for protecting sensitive circuits from voltage transients.

Best for

I/O interface protection
VCC bus protection
Space-constrained PCB designs

Avoid if

Applications requiring peak pulse power significantly exceeding 200W

Check before use

Verify the transient energy levels in your specific application

Key specifications

Peak Pulse Power: 200 W
Reverse Stand-Off Voltage: 28 V
Clamping Voltage: 45.4 V
Configuration: Bidirectional

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: REACH Unaffected
MSL: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.10.0080

Application

TelecomComputerConsumer Electronics

Datasheet

486231ea4d105f02db8890a0c1e88e84_smf50a.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMF28CA: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

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3D Model

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Where to Buy

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Alternative components

Part	Details	Match
SMF26CAMeritek	Shares the same package but has a lower standoff voltage, requiring careful electrical review before use.	Needs validation

Design and risk insights

Questions & answers

The SMF28CA is a 200W bidirectional Transient Voltage Suppressor (TVS) diode designed for surface mount applications.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the SMF28CA?+×

What are the key electrical specs?+×

What is the package type?+×

What are the typical applications?+×

What is the sourcing risk?+×

What is the pinout of SMF28CA?+×