1T368 Variable Capacitance Diode Description The 1T368 is a variable capacitance diode contained in super miniature package, designed for wide band CATV. Features • Super miniature package • Small series resistance rs=0.75 Ω (Max.) • High capacitance ratio C2/C25=11.5 (Typ.) • Capacitance deviation in a matching group 2.0 % (Max.) M-235 Absolute Maximum Ratings (Ta=25 °C) • Reverse voltage VR 30 • Operating temperature Topr –20 to +75 • Storage temperature Tstg –65 to +150 Applications Electronic tuning of wide band CATV V °C °C Structure Silicon epitaxial planar type diode Electrical Characteristics Item Reverse current Diode capacitance Capacitance ratio Series resistance Capacitance deviation in a matching group (Ta=25 °C) Symbol IR C2 C25 C2/C25 rs ∆C Conditions Max. 10 34.30 2.93 Unit nA pF pF CD=14 pF, f=470 MHz 0.75 Ω VR=2 to 25 V 2.0 % VR=28 V VR=2 V, f=1 MHz VR=25 V, f=1 MHz Min. Typ. 29.40 2.53 11.0 11.5 Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. —1— E92326A82-TE 1T368 Example of Representative Characteristics Reverse voltage vs. Ambient temperature Diode capacitance vs. Reverse voltage 100 45 IR=10µA Ta=25°C f=1MHz 44 40 30 42 C-Diode capacitance (pF) VR-Reverse voltage (V) 50 43 41 40 39 38 37 –20 0 20 40 60 20 10 5 4 3 80 2 Ta-Ambient temperature (°C) 1 1 2 3 4 5 10 20 30 40 50 VR-Reverse voltage (V) Diode capacitance vs. Ambient temperature f=1MHz f=1MHz 1.02 VR=2V VR=7V 1.01 VR=15V VR=25V 1.00 0.99 0.98 –20 Temperature coefficient (ppm/°C) C (Ta)/C (25°C) Diode capacitance 1.03 Temperature coefficient of the diode capacitance 500 400 300 200 100 50 0 20 40 60 80 1 2 3 4 5 10 VR-Reverse voltage (V) Ta-Ambient temperature (°C) —2— 20 30 40 1T368 Reverse current vs. Ambient temperature Reverse current vs. Reverse voltage 100 100.0 VR=28V Ta=80°C Ta=60°C IR-Reverse current (pA) IR-Reverse current (pA) 10.0 1.0 10 Ta=25°C 1 0.1 0.01 –20 0 20 40 60 80 Ta-Ambient temperature (°C) 0.1 1 10 VR-Reverse voltage (V) —3— 100 1T368 Package Outline Unit : mm AA AA M-235 + 0.2 ∗1.25 – 0.1 ∗0.9 ± 0.1 + 0.1 0.3 – 0.05 0.2 2.5 ± 0.2 ∗1.7 ± 0.1 2 1 + 0.1 0.3 – 0.05 0 ± 0.05 + 0.1 0.11 – 0.06 0° to 10° NOTE: Dimension “∗” does not include mold protrusion. SONY CODE M-235 EIAJ CODE JEDEC CODE Marking PACKAGE WEIGHT CATHODE MARK 0.1g 2 68 B 1 —4— Notes 1) B:Lot No.(Year and Month of manufacture) Year;Last one digit Month;A,B,C(for Oct. to Dec.) 1 to 9(for Jan.to Sept.)