HVC385B Variable Capacitance Diode for VCO ADE-208-1403A (Z) Rev.1 Feb. 2002 Features • High capacitance ratio. (n = 2.43 min) • Low series resistance. (rs = 0.75 Ω max) • Ultra small Flat Package (UFP) is suitable for surface mount design. Ordering Information Type No. Laser Mark Package Code HVC385B F6 UFP Pin Arrangement Cathode mark Mark 1 F6 2 1. Cathode 2. Anode HVC385B 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 IR1 — — 10 nA VR = 10 V IR2 — — 100 C0.5 7.20 — 7.70 C2.5 2.70 — 3.20 Capacitance ratio n 2.43 — 2.57 — C0.5/C2.5 Series resistance rS — — 0.75 Ω VR = 1 V, f = 470 MHz Capacitance Rev.1, Feb. 2002, page 2 of 5 VR = 10 V, Ta = 60°C pF VR = 0.5 V, f = 1 MHz VR = 2.5 V, f = 1 MHz HVC385B Main Characteristic 10-10 12 f=1MHz 10 10 Capacitance C (pF) Reverse current IR (A) -11 10-12 8 6 4 -13 10 2 10-14 0 10 5 Reverse voltage VR (V) 0 0.1 15 Fig.1 Reverse current vs. Reverse voltage 1.0 Reverse voltage VR (V) 10 Fig.2 Capacitance vs. Reverse voltage 0 1.0 f=470MHz -0.2 LF = ∆(LogC)/∆(LogVR) Series resistance rS (Ω) 0.8 0.6 0.4 0.2 0 -0.4 -0.6 -0.8 -1.0 0 2.0 4.0 1.0 3.0 Reverse voltage VR (V) 5.0 Fig.3 Series resistance vs. Reverse voltage -1.2 0 1.0 2.0 3.0 4.0 5.0 Reverse voltage VR (V) 6.0 Fig.4 Linearity factor vs. Reverse voltage Rev.1, Feb. 2002, page 3 of 5 HVC385B Package Dimensions As of July, 2001 1.2 ± 0.10 0.13 ± 0.05 1.6 ± 0.10 0.6 ± 0.10 0.3 ± 0.05 0.8 ± 0.10 Unit: mm Hitachi Code JEDEC JEITA Mass (reference value) Rev.1, Feb. 2002, page 4 of 5 UFP — Conforms 0.0016 g HVC385B Disclaimer 1. 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(Taipei Branch Office) 4/F, No. 167, Tun Hwa North Road Hung-Kuo Building Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon Hong Kong Tel : <852>-(2)-735-9218 Fax : <852>-(2)-730-0281 URL : http://semiconductor.hitachi.com.hk Copyright © Hitachi, Ltd., 2002. All rights reserved. Printed in Japan. Colophon 5.0 Rev.1, Feb. 2002, page 5 of 5