HVC372B Variable Capacitance Diode for VCO ADE-208-497(Z) Rev 0 February 1997 Features • High capacitance ratio. (n =2.00 min) • Good linearity of C-V curve. • Ultra small Flat Package (UFP) is suitable for surface mount design. Ordering Information Type No. Laser Mark Package Code HVC372B B5 UFP Outline Cathode mark Mark 1 B5 2 1. Cathode 2. Anode HVC372B 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 Symbol Min Typ Max Unit Test Condition Reverse current I R1 — — 10 nA VR = 15V I R2 — — 100 C1 15.0 — 17.0 C4 7.00 — 8.50 Capacitance ratio n 2.00 — — — C1/ C4 Series resistance rs — — 0.4 Ω VR = 1V, f = 470 MHz Capacitance 2 VR = 15V, Ta = 60 °C pF VR = 1V, f = 1 MHz VR = 4V, f = 1 MHz HVC372B Main Characteristic -9 30 10 f=1MHz (pF) 10 Capacitance C Reverse current I R (A) 25 -10 -11 10 -12 20 15 10 10 5 -13 10 0 16 4 8 12 Reverse voltage V R (V) 0 10-1 20 1.0 Reverse voltage V R (V) 10 Fig.2 Capacitance Vs. Reverse voltage Fig.1 Reverse current Vs. Reverse voltage 0.6 0 f=470MHz LF =∆(LogC)/∆(LogVR ) Series resistance r s (Ω) 0.5 0.4 0.3 0.2 -0.5 -1.0 0.1 0 10-1 1.0 10 Reverse voltage V R (V) Fig.3 Series resistance Vs. Reverse voltage -1.5 10-1 1.0 10 Reverse voltage V R (V) Fig.4 Linearity factor Vs. Reverse voltage 3 HVC372B Package Dimensions Unit : mm Cathode Mark B5 1.2 ± 0.10 1.6 ± 0.10 2 0.3 ± 0.05 0.8 ± 0.10 1 0.6 ± 0.10 1. Cathode 2. Anode 4 Hitachi Code JEDEC Code EIAJ Code Weight(g) UFP — SC-79 0.0016 Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. 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