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BFT25A_15 Datasheet, PDF (3/15 Pages) NXP Semiconductors – NPN 5 GHz wideband transistor
NXP Semiconductors
BFT25A
NPN 5 GHz wideband transistor
6. Thermal characteristics
Table 6.
Symbol
Rth(j-s)
Thermal characteristics
Parameter
from junction to soldering point
Conditions
[1] Ts is the temperature at the soldering point of the collector tab.
7. Characteristics
Typ
[1] 260
Unit
K/W
Table 7. Characteristics
Tj = 25 C unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
ICBO
collector cut-off IE = 0 A; VCB = 5 V
current
-
-
hFE
DC current gain IC = 0.5 mA; VCE = 1 V
50
80
fT
transition
IC = 1 mA; VCE = 1 V;
3.5
5
frequency
Tamb = 25 C;
f = 500 MHz
Cre
feedback
IC = ic = 0 A; VCB = 1 V;
-
0.3
capacitance
f = 1 MHz
GUM
maximum
IC = 0.5 mA; VCE = 1 V; [1] -
15
unilateral power Tamb = 25 C; f = 1 GHz
gain
F
noise figure
 = opt; IC = 0.5 mA;
-
1.8
VCE = 1 V;
Tamb = 25 C; f = 1 GHz
 = opt; IC = 1 mA;
-
2
VCE = 1 V;
Tamb = 25 C; f = 1 GHz
[1] GUM is the maximum unilateral power gain, assuming S12 is zero and
GUM
=
10
log -----------------------S---2--1----2---------------------- dB
1 – S11 21 – S22 2
Max Unit
50
nA
200
-
GHz
0.45 pF
-
dB
-
dB
-
dB
BFT25A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 12 September 2011
© NXP B.V. 2011. All rights reserved.
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