Philips Semiconductors
NPN high-voltage transistors
Product specification
BF483; BF485; BF487
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth j-a
thermal resistance from junction to ambient
Note
1. Transistor mounted on a printed-circuit board.
CONDITIONS
note 1
VALUE
150
UNIT
K/W
CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
ICBO
collector cut-off current
IEBO
emitter cut-off current
hFE
DC current gain
VCEsat
Cre
fT
collector-emitter saturation voltage
feedback capacitance
transition frequency
CONDITIONS
MIN.
IE = 0; VCB = 300 V
−
IE = 0; VCB = 250 V; Tj = 150 °C
−
IC = 0; VEB = 5 V
−
IC = 25 mA; VCE = 20 V
50
IC = 40 mA; VCE = 20 V
20
IC = 30 mA; IB = 5 mA
−
IC = ic = 0; VCE = 30 V; f = 1 MHz
−
IC = −10 mA; VCE = 10 V; f = 100 MHz 70
MAX.
20
20
100
−
−
600
1.4
110
UNIT
nA
µA
nA
mV
pF
MHz
1999 Apr 12
3