Philips Semiconductors
NPN high-voltage transistors
Product specification
BF458; BF459
FEATURES
• Low current (max. 100 mA)
• High voltage (max. 300 V).
APPLICATIONS
• Intended for video output stages in black-and-white and
in colour television receivers.
DESCRIPTION
NPN transistors in a TO-126; SOT32 plastic package.
PINNING
PIN
1
2
3
DESCRIPTION
emitter
collector, connected to mounting base
base
handbook, halfpage
2
3
1
1 2 3 Top view
MAM254
Fig.1 Simplified outline (TO-126; SOT32)
and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
VCBO
VCEO
VEBO
IC
ICM
IBM
Ptot
Tstg
Tj
Tamb
collector-base voltage
BF458
BF459
collector-emitter voltage
BF458
BF459
emitter-base voltage
collector current (DC)
peak collector current
peak base current
total power dissipation
storage temperature
junction temperature
operating ambient temperature
open emitter
open base
open collector
Tmb ≤ 90 °C
MIN. MAX. UNIT
−
250
V
−
300
V
−
250
V
−
300
V
−
5
V
−
100
mA
−
300
mA
−
100
mA
−
6
W
−65
+150 °C
−
150
°C
−65
+150 °C
1999 Apr 21
2