SMF18A SMF18A is a unidirectional TVS diode from Littelfuse with 18V reverse standoff voltage and 29.2V clamping voltage. It offers 200W peak pulse power capability in a surface mount SOD-123F package.
Mfr Part #:

SMF18A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
SMF18A is a unidirectional TVS diode from Littelfuse with 18V reverse standoff voltage and 29.2V clamping voltage. It offers 200W peak pulse power capability in a surface mount SOD-123F package.
Total Stock: 1,185 pcs

SMF18A Available from 1 distributor

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SMF18A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
EFT Capability
ESD Capability
Halogen Free
Mounting Type
Operating Temperature
Peak Pulse Power (Typical @ 10/1000 μs)
Power
Power Dissipation (PD)
Power Line Protection
Response Time
Reverse Standoff Voltage (Vrwm)
Supplier Device Package
Technology
Thermal Resistance Junction to Ambient (RθJA)
Thermal Resistance Junction to Lead (RθJL)
Type
Unidirectional Channels
Voltage

SMF18A Description

Short technical summary and product information.

The SMF18A is a unidirectional Zener TVS diode from Littelfuse designed for transient voltage protection. It features an 18V reverse standoff voltage (VRWM) and a clamping voltage of 29.2V at a peak pulse current of 6.8A. The device is rated for 200W peak pulse power (10/1000μs waveform). It is housed in a surface mount SOD-123F package and operates over a temperature range of -55°C to 150°C. The SMF18A is RoHS3 compliant, halogen-free, and lead-free with MSL Level 1 (unlimited). It is suitable for protecting sensitive electronics from voltage transients in various applications.

SMF18A Quick Information

Product Type: TVS Diode
Series: SMF4L
Canonical Name: SMF18A TVS Diode
Subcategory: Unidirectional TVS Diode

SMF18A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected
Lead Free: Pb-free

SMF18A Features

  • 18V reverse standoff voltage TVS diode.
  • 29.2V clamping voltage at 6.8A.
  • 200W peak pulse power capability.
  • Surface mount SOD-123F package.
  • RoHS3 compliant and halogen-free.

SMF18A Applications

  • Ideal for I/O interface protection.
  • Protects VCC bus in portable devices.
  • Used in cellular phones and business machines.
  • Suitable for power supply transient protection.

SMF18A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of SMF18A?

18V.

What is the clamping voltage of SMF18A?

29.2V.

What is the peak pulse current rating?

6.8A.

What package is the SMF18A available in?

SOD-123F surface mount package.

What is the peak pulse power rating?

200W (10/1000μs waveform).

Is the SMF18A RoHS compliant?

Yes, RoHS3 compliant.

What is the operating temperature range?

-55°C to 150°C.

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