BB731 and BB731S Vishay Semiconductors formerly General Semiconductor Tuner Diodes SOD-123 (BB731) SOD-323 (BB731S) .022 (0.55) .012 (0.3) .065 (1.65) Top View .006 (0.15) max. .010 (0.25) min. .010 (0.25) min. Dimensions in inches and (millimeters) Mounting Pad Layout SOD-323 (BB731S) Mounting Pad Layout SOD-123 (BB731) 0.055 (1.40) 0.055 (1.40) 0.062 (1.60) 0.047 (1.20) 0.055 (1.40) 0.094 (2.40) .004 (0.1) max. .053 (1.35) max. .067 (1.70) .055 (1.40) .004 (0.1) max. .059 (1.5) .043 (1.1) .006 (0.15) max. .049 (1.25) max. .076 (1.95) Top View .100 (2.55) Cathode Band .112 (2.85) .112 (2.85) .100 (2.55) .152 (3.85) .140 (3.55) Cathode Band Mechanical Data Features • Silicon epitaxial planar capacitance diodes with very wide effective capacitance variation for tuning the VHF range 41 ... 170 MHz in hyperband television tuners. • 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. Case: BB731 = SOD-123 Plastic Case BB731S = SOD-323 Plastic Case Weight: BB731 = approx. 0.01g BB731S = approx. 0.004g Packaging Codes/Options: SOD-123: D3/10K per 13” reel (8mm tape), 30K/box D4/3K per 7” reel (8mm tape), 30K/box SOD-323: D5/10K per 13” reel (8mm tape), 30K/box D6/3K per 7” reel (8mm tape), 30K/box Maximum Ratings and Thermal Characteristics (T C Parameter = 25°C unless otherwise noted) Symbol Value Unit Reverse Voltage VR 32 V Junction Temperature TJ 125 °C Storage Temperature Range TS –55 to +125 °C Document Number 88157 15-May-02 www.vishay.com 1 BB731 and BB731S Vishay Semiconductors formerly General Semiconductor Electrical Characteristics (T Parameter C = 25°C unless otherwise noted) Symbol Min Typ Max Unit V(BR)R 32 – – V IR – – 30 nA Ctot 3.15 – – – 3.5 50 3.55 – – pF Ctot (1V) Ctot (28V) 19.5 – 25 – Ctot (3V) Ctot (25V) – 14 – – Series Resistance at f = 300 MHZ, Ctot = 25 pF rs – 0.9 1.0 Ω Series Inductance Ls – 2.5 – nH Reverse Breakdown Voltage at IR = 100µA Leakage Current at VR = 30V Capacitance f = 1MHZ at VR = 28V at VR = 25V at VR = 1V Effective Capacitance Ratio f = 1MHZ at VR = 1 to 28V at VR = 3 to 25V 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 28V is 3% www.vishay.com 2 Document Number 88157 15-May-02 BB731 and BB731S Vishay Semiconductors formerly General Semiconductor Ratings and Characteristic Curves (TA = 25°C unless otherwise noted) Document Number 88157 15-May-02 www.vishay.com 3