BB857 - Siemens Group

BB857 Silicon Tuning Diode

BB 857 Silicon Tuning Diode • For SAT-indoor-units • High capacitance ratio • Low series inductance • Low series resistance • Extremely small plastic SMD package • Excellent uniformity and matching due to "in-line" matching assembly procedure 2 1 VES05991 Type BB 857 BB 857 Marking Ordering Code O O Q62702-B0897 Q62702-B0893 unmatched inline matched Pi.

Features

2 0.65 5 - pF VR = 1 V, f = 1 MHz VR = 25 V, f = 1 MHz VR = 28 V, f = 1 MHz Capacitance ratio VR = 1 V, VR = 25 V, f = 1 MHz Capacitance ratio CT1/C T25 CT1/C T28 ∆CT/C T 9.7 - - VR = 1 V, VR = 28 V, f = 1 MHz Capacitance ratio 1) % Ω nH VR = 1 V, VR = 28 V, f = 1 MHz Series resistance rs Ls VR = 5 V, f = 470 MHz Series inductance 1) In-line matching. For details please refer to Application Note 047 Semiconductor Group Semiconductor Group 22 Mar-27-1998 1998-11-01 BB 857 Diode capacitance CT = f (V R) f = 1MHz 10 pF 8 CT 7 6 5 4 3 2 1 0 0 10 1 10 V VR Semiconductor Group .