BFT25A Datasheet, PDF (4/11 Pages) NXP Semiconductors – NPN 5 GHz wideband transistor

Philips Semiconductors
NPN 5 GHz wideband transistor
Product specification
BFT25A
handbook,⁴h⁰alfpage
P _tot
(mW)
30
MBG247
20
10
0
0
50
100
150
200
Ts (oC)
Fig.2 Power derating curve.
100
handbook, halfpage
h _FE
80
MCD138
60
40
20
0
10 ³
10 ²
10 ¹
1
10
IC (mA)
V_CE = 1 V.
Fig.3 DC current gain as a function of collector
current.
handbook⁰, ^.h⁴alfpage
C _re
(pF)
0.3
MCD103
0.2
0.1
0
0
1
2
3
4
5
VCB (V)
I_c = i_c = 0; f = 1 MHz.
Fig.4 Feedback capacitance as a function of
collector-base voltage.
December 1997
handbook, h⁶alfpage
fT
(GHz)
4
MCD140
2
0
0
1
2
3
4
IC (mA)
V_CE = 1 V; T_amb = 25 °C; f = 500 MHz.
Fig.5 Transition frequency as a function of
collector current.
4