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SMF3.3 The Littelfuse Inc. SMF3.3 is a TVS Diode with a 3.3V standoff voltage and 6.8V clamping voltage. It is designed for general purpose applications.
Mfr Part #:

SMF3.3

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. SMF3.3 is a TVS Diode with a 3.3V standoff voltage and 6.8V clamping voltage. It is designed for general purpose applications.
✓ Total Stock: 11 pcs
$ Price Range: $0.55

SMF3.3 Available from 1 distributor

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✓ Non-Authorised
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11 pcs
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SMF3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Supplier Package
Type
Unidirectional Channels
Voltage
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SMF3.3 Description

Short technical summary and product information.

The Littelfuse Inc. SMF3.3 is a Transient Voltage Suppressor (TVS) diode designed for general purpose applications. It features a standoff voltage of 3.3V and a clamping voltage of 6.8V at 30A, with a power rating of 200W.

 

This TVS diode operates within a temperature range of -55°C to 150°C. It is packaged in a SOD-123F surface mount case and offers a single unidirectional channel for protection.

 

The SMF3.3 is suitable for various protection needs where transient voltage suppression is required. Its compact SOD-123F package makes it ideal for space-constrained designs.

SMF3.3 Quick Information

Product Type: TVS Diode
Canonical Name: Littelfuse Inc. SMF3.3 TVS Diode
Subcategory: TVS - Diodes

SMF3.3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SMF3.3 Estimated Pricing

Qty Low High
1+ $0.55 $0.55

Estimated market price range - modelled values for guidance only, not live distributor offers.

SMF3.3 Features

  • 3.3V standoff voltage.
  • 6.8V clamping voltage at 30A.
  • 200W peak pulse power rating.
  • Surface mount SOD-123F package.
  • Wide operating temperature range.

SMF3.3 Applications

  • Protects low-voltage GPIO lines from ESD
  • Suitable for portable electronics power rails
  • Used in I2C and SPI data line protection
  • Shields 3.3V supply from surge events
  • Ideal for battery-powered device transient suppression

SMF3.3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the standoff voltage of the SMF3.3 TVS Diode?

The standoff voltage is 3.3V.

What is the clamping voltage for the SMF3.3 at 30A?

The clamping voltage is 6.8V at 30A.

What is the peak pulse current rating of the SMF3.3?

The peak pulse current rating is 30A.

What is the power rating of the SMF3.3 TVS Diode?

The power rating is 200W.

What is the operating temperature range for the SMF3.3?

The operating temperature range is -55°C to 150°C.

What package type is the SMF3.3 TVS Diode in?

The SMF3.3 is in a SOD-123F package.

How many unidirectional channels does the SMF3.3 have?

It has 1 unidirectional channel.

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