Siemens BB545
Silicon Tuning Diode (For tuning UHF and VHF TV Tuners Large capacitance ratio / low series resistance)
| Part No. | BB545 |
|---|---|
| Datasheet | BB545 Download |
| Manufacturer |  Siemens |
| Description | Silicon Tuning Diode (For tuning UHF and VHF TV Tuners Large capacitance ratio / low series resistance) |
| Buy | Stock & Price |
MAXIMUM RATINGS
Parameter Diode reverse voltage Forward current Operating temperature range Storage temperature Symbol Values 30 20 - 55 ... + 150 - 55 ... + 150 Unit V mA °C VR IF Top Tstg Thermal Resistance Junction ambient 1) RthJA ≤ 450 K/W 1) Package mounted on epoxy pcb 40mm x 40mmm x 1.5mm / 0.5cm2 Cu Semiconductor Group 1 Jan-31-1997 BB 545ELECTRICAL CHARACTERISTICS
at TA=25°C, unless otherwise specified Parameter Symbol min. DC characteristics Reverse current Values typ. max. Unit IR 10 200 nA VR = 30 V, TA = 25 °C VR = 30 V, TA = 85 °C AC characteristics Diode capacitance CT 18.5 13.2 1.85 1.8 20 14.8 2.07 2 7.2 10 0.6 2 21.5 16.4 2.28 2.2 pF VR = 1 V, f = 1 MHz VR = 2 V, f = 1 MHz VR = 25 V, f = 1 MHz VR = 28 V, f = 1 MHz Capacitance ratio CT2/CT25 6.3 8.1 11 - VR = 2 V, VR = 25 V, f = 1 MHz Capacitance ratio CT1/CT28 9 ∆CT/CT 2.5 Ω nH % VR = 1 V, VR = 28 V, f = 1 MHz Capacitance matching 1) VR = 1 ... 28 V, f = 1 MHz Series resistance rs Ls VR = 3 V, f = 470 MHz Series ind...
