
2N3904
Characteristics Kennwerte
Tj = 25°C Min. Typ. Max.
h-Parameters at/bei VCE = 10 V, - IC = 1 mA, f = 1 kHz
Small signal current gain – Kleinsignal-Stromverstärkung hfe 100 – 400
Input impedance – Eingangs-Impedanz hie 1 kΩ – 10 kΩ
Output admittance – Ausgangs-Leitwert hoe 1 µS – 40 µS
Reverse voltage transfer ratio – Spannungsrückwirkung hre 0.5*10-4 – 8*10-4
Collector-Emitter saturation voltage – Kollektor-Sättigungsspannung 1)
IC = 10 mA, IB = 1 mA
IC = 50 mA, IB = 5 mA VCEsat
–
–
–
–
0.2 V
0.3 V
Base-Emitter saturation voltage – Basis-Sättigungsspannung 1)
IC = 10 mA, IB = 1 mA
IC = 50 mA, IB = 5 mA VBEsat
0.65 V
–
–
–
0.85 V
0.95 V
Collector-Base cutoff current – Kollektor-Basis-Reststrom
VCE = 30 V, VEB = 3 V ICBX – – 50 nA
Emitter-Base cutoff current – Emitter-Basis-Reststrom
- VCE = 30 V, - VEB = 3 V IEBV – –- 50 nA
Gain-Bandwidth Product – Transitfrequenz
IC = 10 mA, VCE = 20 V, f = 100 MHz fT300 MHz – –
Collector-Base Capacitance – Kollektor-Basis-Kapazität
VCB = 5 V, IE = ie = 0, f = 1 MHz CCBO – – 4 pF
Emitter-Base Capacitance – Emitter-Basis-Kapazität
VEB = 0.5 V, IC = ic = 0, f = 1 MHz CEBO – – 8 pf
Noise figure – Rauschzahl
VCE = 5 V, IC = 1 µA, RG = 1 kΩ, f = 1 kHz F – – 5 dB
Switching times – Schaltzeiten (between 10% and 90% levels)
delay time
rise time
VCC = 3 V, VBE = 0.5 V
IC = 10 mA, IB1 = 1mA
td– – 35 ns
tr– – 35 ns
storage time
fall time
VCC = 3 V, IC = 10 mA,
IB1 = IB2 = 1 mA
ts– – 200 ns
tf– – 50 ns
Thermal resistance junction to ambient
Wärmewiderstand Sperrschicht – Umgebung RthA < 200 K/W 2)
Disclaimer: See data book page 2 or website
Haftungssauschluss: Siehe Datenbuch Seite 2 oder Internet
1 Tested with pulses tp = 300 µs, duty cycle ≤ 2% – Gemessen mit Impulsen tp = 300 µs, Schaltverhältnis ≤ 2%
2 Mounted on P.C. board with 3 mm2 copper pad at each terminal
Montage auf Leiterplatte mit 3 mm2 Kupferbelag (Lötpad) an jedem Anschluss
2http://www.diotec.com/ © Diotec Semiconductor AG