Datasheets
2N4401BU by:
Fairchild Semiconductor Corporation
Continental Device India Ltd
Fairchild Semiconductor Corporation
onsemi
Rochester Electronics LLC
Not Found

Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN

Part Details for 2N4401BU by Fairchild Semiconductor Corporation

Results Overview of 2N4401BU by Fairchild Semiconductor Corporation

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics Audio and Video Systems

2N4401BU Information

2N4401BU by Fairchild Semiconductor Corporation is a Small Signal Bipolar Transistor.
Small Signal Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for 2N4401BU

Part # Distributor Description Stock Price Buy
Bristol Electronics   984
RFQ
Quest Components 600MA, 40V, NPN, SI, SMALL SIGNAL TRANSISTOR, TO-92 52
  • 1 $0.1120
  • 46 $0.0896
$0.0896 / $0.1120 Buy Now
ComSIT USA NPN GENERAL PURPOSE AMPLIFIER Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, N... PN, Silicon, TO-92 , ECCN: EAR99 more RoHS: Compliant Stock DE - 20000
Stock ES - 0
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
Chip 1 Exchange INSTOCK 33800
RFQ
Component Electronics, Inc IN STOCK SHIP TODAY 5
  • 1 $0.1500
  • 100 $0.1200
  • 1,000 $0.1000
$0.1000 / $0.1500 Buy Now
Win Source Electronics TRANS NPN 40V 0.6A TO-92 65500
  • 975 $0.0515
  • 2,075 $0.0482
  • 3,220 $0.0466
  • 4,630 $0.0432
  • 6,010 $0.0416
  • 7,520 $0.0399
$0.0399 / $0.0515 Buy Now
Wuhan P&S 40V,600mA,NPN General Purpose Transistor Min Qty: 1 26000
  • 1 $0.0851
  • 100 $0.0543
  • 500 $0.0448
  • 1,000 $0.0412
$0.0412 / $0.0851 Buy Now

Part Details for 2N4401BU

2N4401BU CAD Models

There are no models available for this part yet.

Sign in to request this CAD model.

Register or Sign In

2N4401BU Part Data Attributes

2N4401BU Fairchild Semiconductor Corporation
Buy Now Datasheet
Compare Parts:
2N4401BU Fairchild Semiconductor Corporation Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP
Part Package Code TO-92
Package Description LEAD FREE, TO-92, 3 PIN
Pin Count 3
Manufacturer Package Code 3LD, TO92, JEDEC TO-92 COMPLIANT STRAIGHT LEAD CONFIGURATION (OLD TO92AM3)
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8541.21.00.95
Collector Current-Max (IC) 0.6 A
Collector-Emitter Voltage-Max 40 V
Configuration SINGLE
DC Current Gain-Min (hFE) 40
JEDEC-95 Code TO-92
JESD-30 Code O-PBCY-T3
JESD-609 Code e3
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Package Body Material PLASTIC/EPOXY
Package Shape ROUND
Package Style CYLINDRICAL
Polarity/Channel Type NPN
Power Dissipation-Max (Abs) 0.35 W
Qualification Status Not Qualified
Surface Mount NO
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Position BOTTOM
Transistor Application SWITCHING
Transistor Element Material SILICON
Transition Frequency-Nom (fT) 250 MHz
Turn-off Time-Max (toff) 255 ns
Turn-on Time-Max (ton) 35 ns

Alternate Parts for 2N4401BU

This table gives cross-reference parts and alternative options found for 2N4401BU. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 2N4401BU, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
2N4401TA_NL Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN 2N4401BU vs 2N4401TA_NL
2N4401RLRA Motorola Semiconductor Products Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 2N4401BU vs 2N4401RLRA
2N4401 Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN 2N4401BU vs 2N4401
2N4401J18Z Fairchild Semiconductor Corporation Check for Price 600 mA, 40 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, TO-92, 3 PIN 2N4401BU vs 2N4401J18Z
2N4401_D81Z Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN 2N4401BU vs 2N4401_D81Z
2N4401D26Z Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 2N4401BU vs 2N4401D26Z
2N4401BU onsemi $0.0807 NPN Bipolar Junction Transistor, TO-92, TO-92-3, 10000-BLKBG 2N4401BU vs 2N4401BU
Part Number Manufacturer Composite Price Description Compare
2N4401TFR onsemi $0.0859 NPN Bipolar Junction Transistor, TO-92, TO-92-3 LF, 2000-REEL 2N4401BU vs 2N4401TFR
2N4401RL Motorola Mobility LLC Check for Price 600mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 2N4401BU vs 2N4401RL
2N4401RL onsemi Check for Price 600mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, CASE 29-11, TO-226AA, 3 PIN 2N4401BU vs 2N4401RL
2N4401RL1 Motorola Mobility LLC Check for Price 600mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 2N4401BU vs 2N4401RL1
2N4401D75Z Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 2N4401BU vs 2N4401D75Z
2N4401-AP-HF Micro Commercial Components Check for Price Small Signal Bipolar Transistor, 2N4401BU vs 2N4401-AP-HF
2N4401TAR Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN 2N4401BU vs 2N4401TAR
2N4401RL1 Motorola Semiconductor Products Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 2N4401BU vs 2N4401RL1
2N4401TF onsemi $0.0656 NPN Bipolar Junction Transistor, TO-92, TO-92-3 LF, 2000-REEL 2N4401BU vs 2N4401TF
2N4401D27Z Fairchild Semiconductor Corporation Check for Price Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92 2N4401BU vs 2N4401D27Z

2N4401BU Related Parts

2N4401BU Frequently Asked Questions (FAQ)

  • The maximum operating temperature range for the 2N4401BU is -55°C to 150°C.

  • Yes, the 2N4401BU is suitable for high-frequency applications up to 100 MHz due to its low capacitance and high current gain.

  • Yes, the 2N4401BU can be used as a switch due to its high current gain and low saturation voltage, making it suitable for switching applications.

  • The maximum collector current rating for the 2N4401BU is 500 mA.

  • Yes, the 2N4401BU is a low-noise transistor with a low noise figure, making it suitable for audio and other noise-sensitive applications.