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Home > Fairchild Semiconductor > Bipolar Transistors > 2N3904

2N3904: NPN General Purpose Amplifier

This device is designed as a general purpose amplifier and switch. The useful dynamic range extends to 100 mA as a switch and to 100 MHz as an amplifier.

2N3904 Datasheet
Ordering Code
ProductProduct & Eco StatusUnit Price/1K OrderPacking Method ConventionPackage Marking Convention*
2N3904TFRFull Production ROHS Compliant as of 27-Feb-2006  China RoHS$0.0242TO-92 3L  -  4.19 x 5.2 x 21.77mm,  TAPE REEL
  • TO-92 3L  Drawing Last Update: Oct 2015
  • TO92-3L, PACKING DRAWING Last Update: May 2014
Line 12N

Line 23904

Line 3-&3 (3-Digit Date Code)

2N3904TAFull Production ROHS Compliant as of 27-Feb-2006  China RoHS$0.0235TO-92 3L  -  4.19 x 5.2 x 21.77mm,  AMMO
  • TO-92 3L  Drawing Last Update: Oct 2015
  • TO92-3L, PACKING DRAWING Last Update: May 2014
Line 12N

Line 23904

Line 3-&3 (3-Digit Date Code)

2N3904CTAObsolete as of 23-Sep-2010 ROHS Compliant as of 27-Feb-2006 Replacement Part: None  China RoHSN/ATO-92 3L  -  5.59 x 5.49 x 21.77mm,  AMMO
  • TO-92 3L  Drawing Last Update: Oct 2015
Line 12N

2N3904TARFull Production ROHS Compliant as of 27-Feb-2006  China RoHS$0.0235TO-92 3L  -  4.19 x 5.2 x 21.77mm,  AMMO
  • TO-92 3L  Drawing Last Update: Oct 2015
  • TO92-3L, PACKING DRAWING Last Update: May 2014
Line 12N

Line 23904

Line 3-&3 (3-Digit Date Code)

2N3904BUFull Production ROHS Compliant as of 27-Feb-2006  China RoHS$0.0235TO-92 3L  -  4.19 x 5.2 x 20.95mm,  BULK
  • TO-92 3L  Drawing Last Update: Mar 2015
  • TO92-3L, PACKING DRAWING Last Update: May 2014
Line 12N

Line 23904

Line 3-&3 (3-Digit Date Code)

2N3904TFFull Production ROHS Compliant as of 27-Feb-2006  China RoHS$0.0235TO-92 3L  -  4.19 x 5.2 x 21.77mm,  TAPE REEL
  • TO-92 3L  Drawing Last Update: Oct 2015
  • TO92-3L, PACKING DRAWING Last Update: May 2014
Line 12N

Line 23904

Line 3-&3 (3-Digit Date Code)

2N3904NLBUObsolete as of 03-Dec-2010 ROHS Compliant as of 27-Feb-2006 Replacement Part: None  China RoHSN/ATO-92 3L  -  5.59 x 5.49 x 21.77mm,  BULK
  • TO-92 3L  Drawing Last Update: Oct 2015
Line 12N

Application Notes
  • AN-42034 Synchronizing the ML4824 to Wide Frequency Ranges Last Update : 05-Mar-2011
  • AN-6004 500W Power-Factor-Corrected (PFC) Converter Design with FAN4810 Last Update : 05-Mar-2011
  • AN-3008 RC Snubber Networks for Thyristor Power Control and Transient Suppression Last Update : 05-Mar-2011
  • AN-1025 Maximum Power Enhancement Techniques for SuperSOT™-3 Power MOSFETs Last Update : 15-Jun-2015
  • AN-3003 Applications of Non Zero Crossing Triac Drivers Featuring the MOC3011 Last Update : 05-Mar-2011
  • 2N3904.pdf
    TO-92 3L  Drawing Last Update: Oct 2015
    TO92-3L, PACKING DRAWING Last Update: May 2014
    TO-92 3L  Drawing Last Update: Oct 2015
    TO-92 3L  Drawing Last Update: Mar 2015
    TO92-3L, PACKING DRAWING Last Update: May 2014
    Synchronizing the ML4824 to Wide Frequency Ranges Last Update : 05-Mar-2011
    500W Power-Factor-Corrected (PFC) Converter Design with FAN4810 Last Update : 05-Mar-2011
    RC Snubber Networks for Thyristor Power Control and Transient Suppression Last Update : 05-Mar-2011
    Maximum Power Enhancement Techniques for SuperSOT™-3 Power MOSFETs Last Update : 15-Jun-2015
    Applications of Non Zero Crossing Triac Drivers Featuring the MOC3011 Last Update : 05-Mar-2011
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