Philips Semiconductors
Product specification
Silicon Diffused Power Transistor
BU508AX
GENERAL DESCRIPTION
High volt...
Philips Semiconductors
Product specification
Silicon Diffused Power
Transistor
BU508AX
GENERAL DESCRIPTION
High voltage, high-speed switching
npn transistors in a fully isolated SOT399 envelope, primarily for use in horizontal deflection circuits of colour television receivers.
QUICK REFERENCE DATA
SYMBOL VCESM VCEO IC ICM Ptot VCEsat ICsat tf PARAMETER Collector-emitter voltage peak value Collector-emitter voltage (open base) Collector current (DC) Collector current peak value Total power dissipation Collector-emitter saturation voltage Collector saturation current Fall time CONDITIONS VBE = 0 V TYP. 4.5 0.7 MAX. 1500 700 8 15 45 1.0 UNIT V V A A W V A µs
Ths ≤ 25 ˚C IC = 4.5 A; IB = 1.6 A f = 16 kHz ICsat = 4.5 A; f = 16kHz
PINNING - SOT399
PIN 1 2 3 base collector emitter DESCRIPTION
PIN CONFIGURATION
case
SYMBOL
c b
1 2 3
case isolated
e
LIMITING VALUES
Limiting values in accordance with the Absolute Maximum Rating System (IEC 134) SYMBOL VCESM VCEO IC ICM IB IBM Ptot Tstg Tj PARAMETER Collector-emitter voltage peak value Collector-emitter voltage (open base) Collector current (DC) Collector current peak value Base current (DC) Base current peak value Total power dissipation Storage temperature Junction temperature CONDITIONS VBE = 0 V MIN. -65 MAX. 1500 700 8 15 4 6 45 150 150 UNIT V V A A A A W ˚C ˚C
Ths ≤ 25 ˚C
THERMAL RESISTANCES
SYMBOL Rth j-hs Rth j-hs Rth j-a PARAMETER Junction to heatsink Junction to heatsink Junction to ambient CONDITIONS without h...