ADE-208-038C(Z) HVU315 Variable Capacitance Diode for Wide Band tuner Preliminary Rev. 3 May. 1993 Features Outline • High capacitance ratio. (n =10.3min) • Low series resistance. (rs =0.7Ωmax) • 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 HVU315 K URP Absolute Maximum Ratings (Ta = 25°C) Item Symbol Value Unit Reverse voltage VR 30 V Junction temperature Tj 125 °C Storage temperature Tstg -55 to +125 °C Electrical Characteristics (Ta = 25°C) Item Symbol Min Typ Max Unit Test Condition nA VR = 30 V IR — — 10 C2 27.6 — 32.1 C25 2.67 — 3.02 n 10.3 — — Series resistance rs — — Matching error ∆C/C* — — Reverse current Capacitance Capacitance ratio pF VR = 2 V , f = 1 MHz VR = 25 V , f = 1 MHz — C2 / C25 0.70 Ω VR = 5 V , f = 470 MHz 2.0 % VR = 2~25 V * A set of HVU315 is of uniform C-V characteristics. Measure max. value and min. value of capacitance at each bias point of VR=2V through 25V. Calculate Matching Error, (Cmax-Cmin) ∆C/C= x 100 (%) Cmin ** Each group shall uniform a multiple of 4 diodes. HVU315 10 -6 50 f=1MHz 10 -7 10 10 Capacitance C (pF) Reverse current I R (A) 40 -8 -9 -10 10 10 -11 30 20 10 -12 10 -13 10 0 10 20 40 30 0 1.0 50 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 10 Reverse voltage VR (V) 30 Fig.2 Capacitance Vs. Reverse voltage 1.0 0 f=470MHz LF =∆(LogC)/∆(LogVR ) Series resistance rs ( Ω ) 0.8 0.6 0.4 -0.5 -1.0 0.2 0 1.0 10 Reverse voltage VR (V) Fig.3 Series resistance Vs. Reverse voltage 30 -1.5 1.0 10 Reverse voltage VR (V) Fig.4 Linearity factor Vs. Reverse voltage 30 HVU315 Unit: mm Package Dimensions K 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