KN4401S The KEC KN4401S is a bipolar junction transistor (BJT) in a SOT-23 package. It features a 40V collector-emitter breakdown voltage and a maximum collector current of 600mA.
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KN4401S

Available from 1 distributors
Mfr Name: KEC
KEC
The KEC KN4401S is a bipolar junction transistor (BJT) in a SOT-23 package. It features a 40V collector-emitter breakdown voltage and a maximum collector current of 600mA.
✓ Total Stock: 84,000 pcs
$ Price Range: $0.99

KN4401S Available from 1 distributor

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✓ Non-Authorised
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84,000 pcs
84000 pcs On Request 1 On Request On Request On Request On Request On Request

KN4401S Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Operating Temperature

KN4401S Description

Short technical summary and product information.

The KEC KN4401S is a bipolar junction transistor (BJT) designed for various electronic applications. This component is housed in a compact SOT-23 surface-mount package, making it suitable for space-constrained designs.

 

Key electrical specifications include a maximum collector current (Ic) of 600mA and a collector-emitter breakdown voltage (Vceo) of 40V. The transistor offers a typical DC current gain (hFE) of 100 at 150mA and 1V, with a transition frequency (fT) of 250MHz. Its maximum power dissipation is rated at 350mW, and it operates at junction temperatures up to 150°C.

 

The KN4401S is specified as RoHS3 compliant. Its SOT-23 package indicates a surface mount type, facilitating automated assembly processes. This transistor is a reliable choice for general-purpose amplification and switching applications where its specific voltage and current ratings are suitable.

KN4401S Quick Information

Product Type: Bipolar Transistor - BJT
Canonical Name: KEC KN4401S Bipolar Transistor - NPN/PNP
Subcategory: Bipolar Transistor - BJT

KN4401S Compliance

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

KN4401S Estimated Pricing

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1+ $0.99 $0.99

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

KN4401S Features

  • 40V collector-emitter breakdown voltage.
  • 600mA maximum collector current.
  • SOT-23 surface mount package.
  • 250MHz transition frequency.
  • RoHS3 compliant.

KN4401S Applications

  • Suitable for low-power switching applications.
  • Ideal for signal amplification in audio devices.
  • Used in electronic switching circuits.
  • Applicable in portable and battery-powered devices.

KN4401S FAQs

4 frequently asked questions generated from this part’s specifications.
What is the maximum collector current for the KEC KN4401S?

The maximum collector current (Ic) for the KEC KN4401S is 600 mA.

What is the collector-emitter breakdown voltage of the KN4401S?

The collector-emitter breakdown voltage (Vceo) for the KN4401S is 40 V.

What package type is the KEC KN4401S transistor?

The KEC KN4401S transistor comes in a SOT-23 package.

What is the maximum operating temperature for this transistor?

The maximum operating temperature for the KN4401S is 150 °C.

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