ADE-208-017C(Z) HVU357 Variable Capacitance Diode for VCO Preliminary Rev. 3 Feb. 1993 Features Outline • Low series resistance. (rs=0.35Ω max) • 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 HVU357 J URP Absolute Maximum Ratings (Ta = 25°C) Item Symbol Value Unit Reverse voltage VR 10 V Junction temperature Tj 125 °C Storage temperature Tstg -55 to +125 °C Electrical Characteristics (Ta = 25°C) Item Symbol IR1 Min — Typ — Max 10 IR2 C1 — 19.5 — — 100 23.5 C2 14.3 — 17.6 Capacitance ratio n 1.3 — — — C1 / C2 Series resistance rs — — 0.35 Ω VR = 1 V , f = 470MHz Reverse current Capacitance Unit nA pF Test Condition VR = 10 V VR = 10 V , Ta = 60 °C VR = 1 V , f = 1 MHz VR = 2 V , f = 1 MHz HVU357 -10 40 10 f=1MHz 30 Capacitance C (pF) Reverse current I R (A) -11 10 -12 10 10-13 20 10 -14 10 5 10 Reverse voltage VR (V) 0 0 10-1 15 Fig.1 Reverse current Vs. Reverse voltage 1.0 Reverse voltage VR (V) 10 Fig.2 Capacitance Vs. Reverse voltage 0.4 0 0.3 LF =∆(LogC)/∆(LogVR ) Series resistance rs ( Ω ) f=470MHz 0.2 -0.5 -1.0 0.1 0 0.5 1.0 10 Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage 30 -1.5 10-1 1.0 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage 10 HVU357 Unit: mm Package Dimensions J 1.25±0.15 Cathode Mark 1.7±0.15 2.5±0.15 0.3±0.15 2 1 1 Cathode 0.9±0.15 0±0.05 2 Anode HITACHI Code URP JEDEC Code — EIAJ Code — Weight (g) 0.004