ADE-208-003A(Z) HVU358 Variable Capacitance Diode for VCO Preliminary Rev. 1 Feb. 1993 Features • • • • Outline Low series resistance. (rs=0.4Ω max) High capacitance ratio. (n=2.0min at C1/C4) Good linearity of C-V curve. Ultra small Resin Package (URP) is suitable for surface mount design. Cathode mark Mark 1 2 Ordering Information 1. Cathode 2. Anode Type No. Laser Mark Package Code HVU358 R URP Absolute Maximum Ratings (Ta = 25°C) Item Symbol Value Unit Reverse voltage VR 15 V Junction temperature Tj 125 °C Storage temperature Tstg -55 to +125 °C Electrical Characteristics (Ta = 25°C) Item Reverse current Capacitance Symbol Min IR1 — Typ — Max 10 IR2 — — 100 C1 19.0 — 21.0 Unit nA pF Test Condition VR = 15 V VR = 15 V , Ta = 60 °C VR = 1 V , f = 1 MHz C4 8.5 — 10.0 Capacitance ratio n 2.0 — — — VR = 4 V , f = 1 MHz C1 / C4 Series resistance rs — — 0.40 Ω VR = 1 V , f = 470MHz HVU358 -11 40 10 30 Capacitance C (pF) Reverse current I R (A) f=1MHz -12 10 20 10 -13 10 0 4 12 8 16 Reverse voltage VR (V) 0 10-1 20 Fig.1 Reverse current Vs. Reverse voltage 1.0 Reverse voltage VR (V) 10 Fig.2 Capacitance Vs. Reverse voltage 0 0.4 0.3 LF =∆(LogC)/∆(LogVR ) Series resistance rs ( Ω) f=470MHz 0.2 -0.5 -1.0 0.1 0 10-1 1.0 Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage 10 -1.5 10-1 1.0 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage 10 HVU358 Unit: mm Package Dimensions 1.7±0.15 2.5±0.15 1.25±0.15 1 2 0.3±0.15 R Cathode Mark 1 Cathode 0.9±0.15 0±0.05 2 Anode HITACHI Code URP JEDEC Code — EIAJ Code — Weight (g) 0.004