參數(shù)資料
型號: 933792670215
廠商: NXP SEMICONDUCTORS
元件分類: 小信號晶體管
英文描述: 25 mA, 40 V, NPN, Si, SMALL SIGNAL TRANSISTOR
封裝: PLASTIC, SST3, SMD, 3 PIN
文件頁數(shù): 3/8頁
文件大?。?/td> 41K
代理商: 933792670215
1999 Apr 12
3
Philips Semiconductors
Product specication
NPN medium frequency transistor
BF840
THERMAL CHARACTERISTICS
Note
1. Transistor mounted on an FR4 printed-circuit board.
CHARACTERISTICS
Tj =25 °C unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth j-a
thermal resistance from junction to ambient
note 1
500
K/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
ICBO
collector cut-off current
IE = 0; VCB =20V
100
nA
IEBO
emitter cut-off current
IC = 0; VEB =4V
100
nA
hFE
DC current gain
IC = 1 mA; VCE =10V
67
222
VBE
base-emitter voltage
IC = 1 mA; VCE = 10 V
675
725
775
mV
Cre
feedback capacitance
IC = 0; VCB = 10 V; f = 1 MHz
0.3
pF
fT
transition frequency
IC = 1 mA; VCE = 10 V; f = 100 MHz
380
MHz
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