Datasheet BC846, BC847, BC848, BC849, BC550 (Infineon) - 6

BC846...-BC850... Electrical Characteristics
at TA = 25°C, unless otherwise specified
Parameter Symbol Values Unit min. typ. max. AC Characteristics
Transition frequency fT - 250 - MHz IC = 10 mA, VCE = 5 V, f = 100 MHz Collector-base capacitance Ccb - 0.95 - pF VCB = 10 V, f = 1 MHz Emitter-base capacitance Ceb - 9 - VEB = 0.5 V, f = 1 MHz Short-circuit input impedance h11e kΩ IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A - 2.7 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B - 4.5 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C - 8.7 - Open-circuit reverse voltage transf. ratio h12e 10-4 IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A - 1.5 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B - 2 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C - 3 - Short-circuit forward current transf. ratio h21e IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A - 200 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B - 330 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C - 600 - Open-circuit output admittance h µ 22e S IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.A - 18 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.B - 30 - IC = 2 mA, VCE = 5 V, f = 1 kHz, hFE-grp.C - 60 - Noise figure F - 1.2 4 dB IC = 200 µA, VCE = 5 V, f = 1 kHz, ∆ f = 200 Hz, RS = 2 kΩ, BC849..., BC850... Equivalent noise voltage Vn - - 0.135 µV IC = 200 µA, VCE = 5 V, RS = 2 kΩ, f = 10 ... 50 Hz , BC850... 6 2007-04-20