LESHAN RADIO COMPANY, LTD. Variable Capacitance Diode for VHF Tuner HVC306A FEATURES 1 • High capacitance ratio (n=11.0min). • Low series resistance and good C-V linearity. • Ultra small Flat Package (UFP) is suitable for surface mount design 2 SOD– 523 1 CATHODE 2 ANODE DEVICE MARKING HVC306A = 3 ABSOLUTE MAXIMUM RATINGS (TA = 25°C) Item Reversevoltage Junction temperature Symbol VR Tj Value 32 125 Unit V °C Storage temperature Tstg – 55 to +125 °C ELECTRICAL CHARACTERISTICS (TA = 25°C) Item Reverse current Capacitance Capacitance ratio Series resistance Symbol IR1 IR2 Min – – Typ – – Max 10 100 Unit nA Test Condition VR = 30V VR = 30V, TA = 60°C C2 C25 n rs 29.3 2.57 11.0 – – – – – 34.2 2.92 – 0.75 pF VR = 2V, f = 1 MHz VR = 25V, f = 1 MHz C2/ C25 VR = 5V, f = 470 MHz – Ω Matching error ∆C/C*1 – – 2.0 % VR = 2 to 25V, f = 1 MHz Note: *1. C.C system (Continuous Connected taping system) enable to make any 10 pcs of ∆C/C continuous in a reel , expect extention to another group. Calculate Matching Error, ∆C/C= (Cmax-Cmin) x 100 (%) Cmin HVC306A–1/2 LESHAN RADIO COMPANY, LTD. C , CAPACITANCE (pF) I R , REVERSE CURRENT (A) HVC306A Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage Fig.2 Capacitance Vs. Reverse voltage L F =∆(LogC / ∆(LogVR ) r S , SERISE RESISTANCE (Ω) Reverse voltage VR (V) Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage HVC306A–2/2