HVC374B Variable Capacitance Diode for VCO ADE-208-621(Z) Rev 0 Jun. 1998 Features • High capacitance ratio and good C-V linearity. • To be usable at low voltage. • Ultra small F lat P ackage (UFP) is suitable for surface mount design. Ordering Information Type No. Laser Mark Package Code HVC374B B6 UFP Outline Cathode mark Mark 1 B6 2 1. Cathode 2. Anode HVC374B 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 Min Typ Max Unit Test Condition Reverse current I R1 — — 10 nA VR = 10V I R2 — — 100 C1 21.5 — 24.0 C2 12.5 — 14.5 Capacitance ratio n 1.68 — 1.75 — C1/ C2 Series resistance rs — — 1.2 Ω VR = 1V, f = 470 MHz Capacitance 2 VR = 10V, Ta = 60 °C pF VR = 1V, f = 1 MHz VR = 2V, f = 1 MHz HVC374B Main Characteristic -10 25 10 20 -11 (pF) 10 Capacitance C Reverse current I R (A) f=1MHz -12 10 10-13 15 10 5 -14 10 0 5 10 0 15 10 1.0 Reverse voltage V R (V) 40 Reverse voltage V R (V) Fig.2 Capacitance Vs. Reverse voltage Fig.1 Reverse current Vs. Reverse voltage 1.2 0 f=470MHz LF =∆(LogC)/∆(LogVR ) Series resistance r s (Ω) 1.0 0.8 0.6 0.4 -0.5 -1.0 0.2 0 10-1 1.0 Reverse voltage V R (V) 10 Fig.3 Series resistance Vs. Reverse voltage -1.5 1.0 2 10 10 Reverse voltage V R (V) Fig.4 Linearity factor Vs. Reverse voltage 3 HVC374B Package Dimensions Unit : mm Cathode Mark B6 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 HVC374B 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. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Hitachi, Ltd. Semiconductor & IC Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 For further information write to: Hitachi Semiconductor (America) Inc. 2000 Sierra Point Parkway Brisbane, CA. 94005-1897 USA Tel: 800-285-1601 Fax:303-297-0447 Hitachi Europe GmbH Continental Europe Dornacher Straße 3 D-85622 Feldkirchen München Tel: 089-9 91 80-0 Fax: 089-9 29 30-00 Hitachi Europe Ltd. Electronic Components Div. Northern Europe Headquarters Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA United Kingdom Tel: 01628-585000 Fax: 01628-585160 Hitachi Asia Pte. Ltd. 16 Collyer Quay #20-00 Hitachi Tower Singapore 049318 Tel: 535-2100 Fax: 535-1533 Hitachi Asia (Hong Kong) Ltd. Unit 706, North Tower, World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon Hong Kong Tel: 27359218 Fax: 27306071 Copyright © Hitachi, Ltd., 1998. All rights reserved. Printed in Japan. 5