NTE610 thru NTE614 Voltage Variable Capacitance Diode (Tuning Diode) Description: These diodes are designed for high volume requirements of FM Radio and TV tuning and AFC, general frequency control and tuning applications; providing solid–state reliability in replacement of mechanical tuning methods. Features: D High Q with Guaranteed Minimum Values D Controlled and Uniform Tuning Ratio D Standard Capacitance Tolerance – 10% Absolute Maximum Ratings: Reverse Voltage, VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Forward Current, IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA Device Dissipation (TA = 25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8mW/°C Note 1. The NTE611 & NTE612 are discontinued devices and no longer available. Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Reverse Breakdown Voltage Symbol V(BR)R Test Conditions Min Typ Max Unit IR = 10µA 30 – – V Reverse Voltatge Leakage Current IR VR = 25V, TA = +25°C – – 0.1 µA Series Inductance LS f = 250MHz, Lead Length ∼ 1/16” – 6 – nH Case Capacitance CC f = 1MHz, Lead Length ∼ 1/16” – 0.18 – pF TCC VR = 4V, f = 1MHz – 280 400 ppm/°C CT VR = 4V, f = 1MHz 6.1 6.8 7.5 pF NTE611 9.0 10.0 11.0 pF NTE612 10.8 12.0 13.2 pF NTE613 19.8 22.0 24.2 pF NTE614 29.7 33.0 36.3 pF Diode Capacitance Temperature Coefficient Diode Capacitance NTE610 Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified) Parameter Symbol Figure of Merit NTE610 Q Test Conditions 450 – – NTE611, NTE612 400 – – NTE613 350 – – NTE614 200 – – 2.5 2.7 3.2 NTE611, NTE612, NTE613 2.5 2.9 3.2 NTE614 2.5 3.0 3.2 Tuning Ratio NTE610 TR VR = 4V, f = 50MHz Min Typ Max C2/C30, f = 1MHz .135 (3.45) Min .185 (4.7) .500 (12.7) Min .019 (0.50) Dia Typ A K .100 (2.54) .165 (4.2) Max .200 (5.08) Dia Unit