BB721S

BB721S Tuner Diodes SOD-323 FEATURES ♦ Silicon epitaxial planar capacitance diodes with very wide effective capacitance variation for tuning the whole range of UHF television bands. are used for direct satellite receivers. .012 (0.3) .106 (2.7) .091 (2.3) .079 (2.0) .063 (1.6) Cathode Mark ♦ Two BB721/BB721S tuner diodes in series ♦ These diodes are available as singles or as matched sets of two or more units according to the tracking condition described in the table of characteristics. with the type designation BB721. Top View max. .049 (1.25) max. .006 (0.15) .059 (1.5) .043 (1.1) max. .004 (0.1) ♦ This diode is also available in SOD-123 case min. .010 (0.25) MECHANICAL DATA Dimensions in inches and (millimeters) Case: SOD-323 Plastic Package Weight: approx. 0.004 g MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified Symbol Reverse Voltage Ambient Temperature Storage Temperature Range VR Tamb TS Value 32 125 –55 to +125 Unit V °C °C 4/98 264 BB721S ELECTRICAL CHARACTERISTICS Ratings at 25 °C ambient temperature unless otherwise specified Symbol Reverse Breakdown Voltage at IR = 100 µA Leakage Current at VR = 30 V Capacitance f = 1 MHz at VR = 28 V at VR = 1 V Effective Capacitance Ratio, f = 1 MHz at VR = 1 to 28 V Series Resistance at f = 470 MHz, Ctot = 14 pF Series Inductance V(BR)R IR Min. 32 – Typ. – – Max. – 10 Unit V nA Ctot Ctot Ctot (1 V) Ctot (28V) rs Ls 1.9 17.5 8.2 – – – – – 0.55 2.5 2.3 20 9.8 – – pF pF – Ω nH For any two of six consecutive diodes in the carrier tape, the maximum capacitance deviation in the reverse bias voltage of VR = 0.5 to 28 V is max. 2.5%. 265 RATINGS AND CHARACTERISTIC CURVES BB721S 266 RATINGS AND CHARACTERISTIC CURVES BB721S 267