Philips Semiconductors
NPN high-voltage transistors
Product specification
BF483; BF485; BF487
FEATURES
• Low feedback capacitance.
APPLICATIONS
• Intended for use in video output stages in
black-and-white and in colour television receivers.
DESCRIPTION
NPN transistors in a TO-92 plastic package.
PNP complement: BF488
PINNING
PIN
1
2
3
base
collector
emitter
DESCRIPTION
handbook, halfpage1
2
3
2
1
3
MAM259
Fig.1 Simplified outline (TO-92) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VCBO
VCEO
VEBO
IC
ICM
IBM
Ptot
Tstg
Tj
Tamb
PARAMETER
collector-base voltage
BF483
BF485
BF487
collector-emitter voltage
BF483
BF485
BF487
emitter-base voltage
collector current (DC)
peak collector current
peak base current
total power dissipation
storage temperature
junction temperature
operating ambient temperature
CONDITIONS
open emitter
open base
open collector
Tamb ≤ 25 °C; note 1
Note
1. Transistor mounted on a printed-circuit board.
MIN.
MAX.
UNIT
−
300
V
−
350
V
−
400
V
−
250
V
−
300
V
−
350
V
−
5
V
−
100
mA
−
200
mA
−
100
mA
−
830
mW
−65
+150
°C
−
150
°C
−65
+150
°C
1999 Apr 12
2