BA891 Band-switching diode Rev. 04 -- 8 January 2008 Product data sheet IMPORTANT NOTICE Dear customer, As from October 1st, 2006 Philips Semiconductors has a new trade name - NXP Semiconductors, which will be used in future data sheets together with new contact details. In data sheets where the previous Philips references remain, please use the new links as shown below. http://www.philips.semiconductors.com use http://www.nxp.com http://www.semiconductors.philips.com use http://www.nxp.com (Internet) sales.addresses@www.semiconductors.philips.com use salesaddresses@nxp.com (email) The copyright notice at the bottom of each page (or elsewhere in the document, depending on the version) - (c) Koninklijke Philips Electronics N.V. (year). All rights reserved is replaced with: - (c) NXP B.V. (year). All rights reserved. If you have any questions related to the data sheet, please contact our nearest sales office via e-mail or phone (details via salesaddresses@nxp.com). Thank you for your cooperation and understanding, NXP Semiconductors NXP Semiconductors Product specification Band-switching diode BA891 FEATURES PINNING * Ultra small plastic SMD package PIN DESCRIPTION * Low diode capacitance: max. 1.05 pF 1 cathode * Low diode forward resistance: max. 0.7 2 anode * Small inductance. APPLICATIONS * Low loss band-switching in VHF television tuners * Surface mount band-switching circuits. handbook, halfpage DESCRIPTION 1 2 Top view The BA891 is a planar high performance band-switching diode in the ultra small SOD523 SMD plastic package. MAM405 The marking band indicates the cathode. MARKING TYPE NUMBER MARKING CODE BA891 Fig.1 Simplified outline (SOD523) and symbol. 7 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VR continuous reverse voltage - 35 V IF continuous forward current - 100 mA Ptot total power dissipation - 715 mW Tstg storage temperature Ts = 90 C -65 +150 C Tj junction temperature -65 +150 C Rev. 04 - 8 January 2008 2 of 6 NXP Semiconductors Product specification Band-switching diode BA891 THERMAL CHARACTERISTICS SYMBOL Rth j-s PARAMETER VALUE UNIT 85 K/W thermal resistance from junction to soldering point CHARACTERISTICS Tj = 25 C unless otherwise specified. SYMBOL PARAMETER CONDITIONS TYP. MAX. UNIT VF forward voltage IF = 10 mA - 1 V IR reverse current VR = 30 V - 20 nA Cd diode capacitance f = 1 MHz; note 1; see Fig.2 VR = 1 V 0.8 1.05 pF VR = 3 V 0.65 0.9 pF IF = 3 mA 0.42 0.7 IF = 10 mA 0.28 0.5 0.6 - nH rD diode forward resistance LS f = 100 MHz; note 1; see Fig.3 series inductance Note 1. Guaranteed on AQL basis; inspection level S4, AQL 1.0. MGL479 1 MGL478 10 handbook, halfpage handbook, halfpage Cd (pF) rD () 0.8 0.6 1 0.4 0.2 0 0 10 20 VR (V) 30 10-1 10-1 1 IF (mA) 10 f = 1 MHz; Tj = 25 C. f = 100 MHz; Tj = 25 C. Fig.2 Fig.3 Diode forward resistance as a function of forward current; typical values. Rev. 04 - 8 January 2008 3 of 6 Diode capacitance as a function of reverse voltage; typical values. NXP Semiconductors Product specification Band-switching diode BA891 PACKAGE OUTLINE Plastic surface-mounted package; 2 leads SOD523 A c v M A HE A D 1 E 0 0.5 1 mm scale 2 DIMENSIONS (mm are the original dimensions) bp (1) UNIT A bp c D E HE v mm 0.65 0.58 0.34 0.26 0.17 0.11 1.25 1.15 0.85 0.75 1.65 1.55 0.1 Note 1. The marking bar indicates the cathode. OUTLINE VERSION SOD523 REFERENCES IEC JEDEC JEITA SC-79 Rev. 04 - 8 January 2008 EUROPEAN PROJECTION ISSUE DATE 02-12-13 06-03-16 4 of 6 BA891 NXP Semiconductors Band-switching diode Legal information Data sheet status Document status[1][2] Product status[3] Definition Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification. [1] Please consult the most recently issued document before initiating or completing a design. [2] The term `short data sheet' is explained in section "Definitions". [3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. 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Limiting values -- Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) may cause permanent damage to the device. Limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the Characteristics sections of this document is not implied. Exposure to limiting values for extended periods may affect device reliability. Terms and conditions of sale -- NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms, including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by NXP Semiconductors. In case of any inconsistency or conflict between information in this document and such terms and conditions, the latter will prevail. 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Contact information For additional information, please visit: http://www.nxp.com For sales office addresses, send an email to: salesaddresses@nxp.com Rev. 04 - 8 January 2008 5 of 6 BA891 NXP Semiconductors Band-switching diode Revision history Revision history Document ID Release date Data sheet status Change notice Supersedes BA891_N_4 20080108 Product data sheet - BA891_3 Modifications: * Package outline on page 4 changed BA891_3 (9397 750 09281) 20020125 Product specification - BA891_2 BA891_2 (9397 750 04308) 19980831 Product specification - BA891_1 BA891_1 (9397 750 04193) 19980818 Product specification - - Please be aware that important notices concerning this document and the product(s) described herein, have been included in section `Legal information'. (c) NXP B.V. 2008. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 8 January 2008 Document identifier: BA891_N_4