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 is a discontinued device 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 Diode Capacitance Temperature Coefficient Diode Capacitance NTE610 Parameter Symbol Test Conditions Min Typ Max Unit NTE613 19.8 22.0 24.2 pF NTE614 29.7 33.0 36.3 pF Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified) Parameter Figure of Merit NTE610 Symbol − − 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 TR VR = 4V, f = 50MHz Min Typ Max 450 Tuning Ratio NTE610 Q Test Conditions C2/C30, f = 1MHz Unit .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