KN4401S

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Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, SOT-23, 3 PIN

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Service & Packaging

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All Parts Extended Quality Guarantee

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KN4401S DataSheet

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KN4401S Description

The KN4401S is a small signal bipolar transistor from KEC, designed for general-purpose applications requiring high current and voltage capabilities. This device is ideal for use in amplifiers, switches, and other circuits where a low input impedance and high output impedance are required.

Pin Details

The KN4401S has 3 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.

Pin configuration

  • PIN 1 (B): Base
  • PIN 2 (C): Collector
  • PIN 3 (E): Emitter

Features

  • High Current Capability: Handles high current up to 0.6A I(C)
  • Wide Operating Temperature Range: Operates efficiently between -40°C and +125°C
  • Low Input Impedance: Suitable for use in amplifiers, switches, and other circuits where a low input impedance is required
  • High Output Impedance: Ideal for applications requiring high output impedance

Applications

The KN4401S is commonly used in general-purpose amplifiers, switches, and other circuits where a low input impedance and high output impedance are required.

Where to Use:

  • Amplifier circuits
  • Switching circuits
  • General-purpose applications requiring high current and voltage capabilities

Manufacturer

The KN4401S is manufactured by KEC, a global leader in semiconductor technology.

Packages

The KN4401S comes in an SOT-23 package, making it suitable for compact circuit designs.

Equivalent Parts of KN4401S

  • NPN Transistor: A comparable NPN transistor from other manufacturers with similar features and performance

FAQ

Q: What is the maximum current handling capability of the KN4401S?
A: It can handle high current up to 0.6A I(C)

Q: Can the KN4401S be used in amplifier circuits?
A: Yes, it is suitable for use in amplifiers and other circuits where a low input impedance and high output impedance are required

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Life Cycle Code Active Part Package Code SOT-23
Pin Count ! 3 ECCN Code EAR99
Collector Current-Max (IC) 0.6 A Collector-Emitter Voltage-Max 40 V
Configuration SINGLE DC Current Gain-Min (hFE) 40
JESD-30 Code R-PDSO-G3 Number of Elements 1
Number of Terminals 3 Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY Package Shape RECTANGULAR
Package Style SMALL OUTLINE Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 0.35 W Qualification Status ! Not Qualified
Surface Mount ! YES Terminal Form ! GULL WING
Terminal Position DUAL Transistor Application SWITCHING
Transistor Element Material SILICON Transition Frequency-Nom (fT) 250 MHz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification KN4401S PDF Download

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