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| DISCRETE SEMICONDUCTORS DATA SHEET M3D319 BB145C Low-voltage variable capacitance diode Preliminary specification 2001 Dec 11 Philips Semiconductors Preliminary specification Low-voltage variable capacitance diode FEATURES * Ultra small plastic SMD package * Very low capacitance spread * High capacitance ratio * C1 to C4 ratio: min. 2.39, max. 2.53. APPLICATIONS Voltage Controlled Oscillators (VCO). DESCRIPTION The BB145C is a variable capacitance diode, fabricated in planar technology and encapsulated in the SOD523 ultra small plastic SMD package. MARKING TYPE NUMBER BB145C MARKING CODE K3 PINNING PIN 1 2 BB145C DESCRIPTION Cathode side indicated by a bar. anode cathode handbook, 2 columns 1 2 MBK441 Fig.1 Simplified outline (SOD523) and symbol. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL VR VRM IF Tstg Tj PARAMETER continuous reverse voltage peak reverse voltage continuous forward current storage temperature operating junction temperature in series with a 10 k resistor CONDITIONS - - - -55 -55 MIN. MAX. 10 12 20 +150 +150 V V mA C C UNIT CHARACTERISTICS Tj = 25 C unless otherwise specified SYMBOL IR rs Cd C d ( 1V ) ---------------C d ( 4V ) PARAMETER reverse current diode series resistance diode capacitance capacitance ratio CONDITIONS VR = 15 V; see Fig.3 VR = 15 V; Tj = 85 C VR = 1 V; f = 470 MHz VR = 1 V; f = 1 MHz VR = 4 V; f = 1 MHz f = 1 MHz - - - 6.4 2.55 2.39 MIN. 3 30 0.6 7.2 2.85 2.53 MAX. UNIT nA nA pF pF 2001 Dec 11 2 Philips Semiconductors Preliminary specification Low-voltage variable capacitance diode GRAPHICAL DATA BB145C handbook, full pagewidth 10 MGU539 Cd (pF) 8 6 4 2 0 10-1 1 10 VR (V) 102 Fig.2 Diode capacitance as a function of reverse voltage; typical values. 102 handbook, halfpage IR (nA) MGU540 10-3 handbook, halfpage TCd (K-1) MGU541 10 10-4 1 0 20 40 60 80 100 Tj (C) 10-5 10-1 1 10 VR (V) 102 Fig.4 Fig.3 Reverse current as a function of junction temperature; maximum values. Temperature coefficient of diode capacitance as a function of reverse voltage; typical values. 2001 Dec 11 3 Philips Semiconductors Preliminary specification Low-voltage variable capacitance diode PACKAGE OUTLINE Plastic surface mounted package; 2 leads BB145C SOD523 A c HE vMA D A 0 0.5 scale 1 mm 1 E bp 2 DIMENSIONS (mm are the original dimensions) UNIT mm A 0.7 0.5 bp 0.35 0.25 c 0.2 0.1 D 1.3 1.1 E 0.9 0.7 HE 1.7 1.5 v 0.15 (1) Note 1. The marking bar indicates the cathode. OUTLINE VERSION SOD523 REFERENCES IEC JEDEC EIAJ SC-79 EUROPEAN PROJECTION ISSUE DATE 98-11-25 2001 Dec 11 4 Philips Semiconductors Preliminary specification Low-voltage variable capacitance diode DATA SHEET STATUS DATA SHEET STATUS(1) Objective data PRODUCT STATUS(2) Development DEFINITIONS BB145C This data sheet contains data from the objective specification for product development. Philips Semiconductors reserves the right to change the specification in any manner without notice. This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date. Philips Semiconductors reserves the right to change the specification without notice, in order to improve the design and supply the best possible product. This data sheet contains data from the product specification. Philips Semiconductors reserves the right to make changes at any time in order to improve the design, manufacturing and supply. Changes will be communicated according to the Customer Product/Process Change Notification (CPCN) procedure SNW-SQ-650A. Preliminary data Qualification Product data Production Notes 1. Please consult the most recently issued data sheet before initiating or completing a design. 2. The product status of the device(s) described in this data sheet may have changed since this data sheet was published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com. DEFINITIONS Short-form specification The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 60134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. DISCLAIMERS Life support applications These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no licence or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. 2001 Dec 11 5 Philips Semiconductors Preliminary specification Low-voltage variable capacitance diode NOTES BB145C 2001 Dec 11 6 Philips Semiconductors Preliminary specification Low-voltage variable capacitance diode NOTES BB145C 2001 Dec 11 7 Philips Semiconductors - a worldwide company Contact information For additional information please visit http://www.semiconductors.philips.com. Fax: +31 40 27 24825 For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. (c) Koninklijke Philips Electronics N.V. 2001 SCA73 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Printed in The Netherlands 613512/01/pp8 Date of release: 2001 Dec 11 Document order number: 9397 750 09077 |
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