BFQ221 Datasheet, PDF (4/5 Pages) NXP Semiconductors – NPN video transistor

Philips Semiconductors
NPN video transistor
Product specification
BFQ221
60
handbook, halfpage
hFE
40
MBG478
1.2
handbook, halfpage
fT
(MHz)
0.8
MBG479
20
0.4
0
0
20
40
60
80
100
IC (mA)
V_CE = 10 V; t_p = 500 µs.
Fig.4 DC current gain as a function of collector
current; typical values.
0
10
20
50 _{IC (mA) 10}2
V_CE = 10 V; f = 500 MHz.
Fig.5 Transition frequency as a function of
collector current; typical values.
4
handbook, halfpage
Cre
(pF)
3
MBG480
2
1
0
0
2
4
6
8
10
VCB (V)
f = 1 MHz.
Fig.6 Feedback capacitance as a function of
collector-base voltage; typical values.
1996 Sep 04
4