Philips Semiconductors
Silicon diffused power transistors
Product specification
BUT18F; BUT18AF
DESCRIPTION
High-voltage, high-speed,
glass-passivated NPN power
transistor in a SOT186 package with
electrically isolated mounting base.
APPLICATIONS
• Converters
• Inverters
• Switching regulators
• Motor control systems.
PINNING
PIN
DESCRIPTION
1
base
2
collector
3
emitter
mb mounting base; electrically isolated from all pins
andbook, halfpage
2
1
MBB008
3
1 2 3 MBK109
Fig.1 Simplified outline (SOT186) and symbol.
QUICK REFERENCE DATA
SYMBOL
VCESM
VCEO
VCEsat
ICsat
IC
ICM
Ptot
tf
PARAMETER
collector-emitter peak voltage
BUT18F
BUT18AF
collector-emitter voltage
BUT18F
BUT18AF
collector-emitter saturation voltage
collector saturation current
collector current (DC)
collector current (peak value)
total power dissipation
fall time
CONDITIONS
VBE = 0
open base
see Fig.7
see Fig.4
see Fig.4
Th ≤ 25 °C; see Fig.2
resistive load; see Figs 10 and 11
MAX.
850
1 000
400
450
1.5
4
6
12
33
0.8
UNIT
V
V
V
V
V
A
A
A
W
µs
THERMAL CHARACTERISTICS
SYMBOL
Rth j-h
PARAMETER
CONDITIONS
thermal resistance from junction to external heatsink note 1
note 2
Notes
1. Mounted without heatsink compound and 30 ±5 N force on centre of package.
2. Mounted with heatsink compound and 30 ±5 N force on centre of package.
1999 Jun 11
2
VALUE
6.15
3.65
UNIT
K/W
K/W