BB 555-02V Silicon Tuning Diode For UHF-TV-tuners High capacitance ratio 2 Low series inductance Low series resistance Extremely small plastic SMD package Excellent uniformity and matching due to 1 "in-line" matching assembly procedure VES05991 Type Marking Pin Configuration Package BB 555-02V unmatched BB 1=C 2=A SC-79 BB 555-02V inline matched BB 1=C 2=A SC-79 Maximum Ratings Parameter Symbol Diode reverse voltage VR 30 Peak reverse voltage (R 5k) VRM 35 Forward current IF 20 mA Operating temperature range Top -55 ... 150 C Storage temperature Tstg -55 ... 150 1 Value Unit V Sep-18-2000 BB 555-02V Electrical Characteristics at TA = 25C, unless otherwise specified. Parameter Symbol Values Unit min. typ. max. IR - - 10 IR - - 200 DC characteristics Reverse current nA VR = 30 V Reverse current VR = 30 , TA = 85 C AC characteristics Diode capacitance pF CT VR = 1 V, f = 1 MHz 17.5 18.7 20 VR = 2 V, f = 1 MHz 14.1 15 16.1 VR = 25 V, f = 1 MHz 2.05 2.24 2.4 VR = 28 V, f = 1 MHz 1.9 2.1 2.3 CT2 /CT25 6 6.7 7.5 CT1 /CT28 8.2 8.9 9.8 Capacitance ratio - VR = 2 V, VR = 25 V, f = 1 MHz Capacitance ratio VR = 1 V, VR = 28 V, f = 1 MHz CT /CT Capacitance matching1) % VR = 1 V, VR = 28 V, 1 MHz, 4 diodes sequence - 0.15 1 VR = 1 V, VR = 28 V, 1 MHz, 7 diodes sequence - 0.25 2 rs - 0.58 - Ls - 0.6 - nH Series resistance VR = 1 V, f = 1 GHz Series inductance 1) In-line matching. For details please refer to Application Note 047 2 Sep-18-2000 BB 555-02V Diode capacitance CT = f (VR) Temperature coefficient of the diode f = 1MHz capacitance TCc = f (VR) 10 -3 20 pF 16 1/C TCc CT 14 12 10 -4 10 8 6 4 2 0 0 5 10 15 V 20 10 -5 0 10 30 10 1 V VR 10 2 VR Reverse current IR = f (VR) Reverse current I R = f (TA) TA = Parameter VR = 28V 10 3 10 3 85C pA pA 10 2 IR IR 10 2 25C 10 1 10 1 10 0 10 -1 0 10 10 1 V 10 10 0 -30 2 VR -10 10 30 50 70 C 100 TA 3 Sep-18-2000 BB 555-02V Normalized diode capacitance C(TA) / C(25C) = f (TA) f = 1MHz, VR = Parameter 1.08 CTA / C25 - 1.04 1V 2V 1.02 25V 1.00 0.98 0.96 -30 -10 10 30 50 70 C 110 TA 4 Sep-18-2000