Philips Semiconductors
NPN high-voltage transistors
Product specification
BST39; BST40
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth j-a
Rth j-s
thermal resistance from junction to ambient
note 1
thermal resistance from junction to soldering point
96
K/W
16
K/W
Note
1. Device mounted on a printed-circuit board, single-sided copper, tinplated, mounting pad for collector 6 cm2.
For other mounting conditions, see “Thermal considerations for SOT89 in the General Part of associated Handbook”.
CHARACTERISTICS
Tj = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
ICBO
IEBO
hFE
VCEsat
Cc
fT
collector cut-off current
IE = 0; VCB = 300 V
−
emitter cut-off current
IC = 0; VEB = 5 V
−
DC current gain
IC = 20 mA; VCE = 10 V
−
collector-emitter saturation voltage IC = 50 mA; IB = 4 mA
−
collector capacitance
IE = ie = 0; VCB = 10 V; f = 1 MHz
−
transition frequency
IC = 10 mA; VCE = 10 V; f = 100 MHz 70
MAX.
20
100
40
500
2
−
UNIT
nA
nA
mV
pF
MHz
1999 Apr 26
3