BF550
BF550 is PNP Silicon RF Transistor manufactured by Siemens Semiconductor Group.
PNP Silicon RF Transistor q For mon emitter amplifier stages up to 300 MHz q For mixer applications in AM/FM radios and VHF TV tuners q Low feedback capacitance due to shield diffusion q Controlled low output conductance
BF 550
Type BF 550
Marking LA
Ordering Code (tape and reel)
Q62702-F944
Pin Configuration 123
Package1) SOT-23
Maximum Ratings
Parameter Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Base current Total power dissipation, TA ≤ 25 ˚C Junction temperature Storage temperature range
Symbol VCE0 VCB0 VEB0 IC IB Ptot Tj Tstg
Values
Unit
40 V
25 m A
280 m W
150 ˚C
- 65 … + 150
Thermal Resistance Junction
- ambient2)
Rth JA
≤ 450
K/W
1) For detailed information see chapter Package Outlines. 2) Package mounted on alumina 15 mm × 16.7 mm × 0.7 mm.
Semiconductor Group
BF 550
Electrical Characteristics at TA = 25 ˚C, unless otherwise specified.
Parameter
DC Characteristics
Collect...