參數(shù)資料
型號(hào): 934021360115
廠商: NXP SEMICONDUCTORS
元件分類: 小信號(hào)晶體管
英文描述: L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR
封裝: PLASTIC, UMT3, SC-70, CMPAK-3
文件頁數(shù): 5/11頁
文件大?。?/td> 126K
代理商: 934021360115
December 1997
3
Philips Semiconductors
Product specication
NPN 5 GHz wideband transistor
BFS25A
THERMAL RESISTANCE
Note
1. Ts is the temperature at the soldering point of the collector tab.
CHARACTERISTICS
Tj =25 °C, unless otherwise specied.
Note
1. GUM is the maximum unilateral power gain, assuming S12 is zero and
SYMBOL
PARAMETER
CONDITIONS
THERMAL RESISTANCE
Rth j-s
thermal resistance from junction to
soldering point
up to Ts = 170 °C; note 1
190 K/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
ICBO
collector cut-off current
IE = 0; VCB =5 V
50
nA
hFE
DC current gain
IC = 0.5 mA; VCE = 1 V
50
80
200
Cre
feedback capacitance
IC = 0; VCB = 1 V; f = 1 MHz
0.3
0.45
pF
fT
transition frequency
IC = 1 mA; VCE = 1 V; f = 1 GHz;
Tamb =25 °C
3.5
5
GHz
GUM
maximum unilateral power gain
(note 1)
IC = 0.5 mA; VCE = 1 V; f = 1 GHz;
Tamb =25 °C
13
dB
F
noise gure
Γ
s = Γopt;IC = 0.5 mA; VCE =1 V;
f = 1 GHz; Tamb =25 °C
1.8
dB
Γ
s = Γopt;IC = 1 mA; VCE =1 V;
f = 1 GHz; Tamb =25 °C
2
dB
G
UM
10 log
S
21
2
1S
11
2
1S
22
2
--------------------------------------------------------------
dB.
=
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