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| Fiber Optics Press-fit Cage for Small Form-factor Pluggable (SFP) Transceiver V23838-S5-N1 V23838-S5-N1-BB Features * 3D foot design for improved press-fit retention and contact to host board holes * One-piece, stainless steel construction * Low emission design via fold-back spring fingers - no openings for radiation to pass through * Enhanced transceiver kick-out springs * Simple and fast installation/removal * Host board holes not damaged when cage is removed * Heat transfer windows on all SFP cage surfaces * Supports MSA compliant host board layouts and transceiver designs V23838-S5-N1 File: 1142 V23838-S5-N1-BB File: 1143 Part Number V23838-S5-N1 V23838-S5-N1-BB Data Sheet Description For single-sided mounting For double-sided "belly to belly" mounting (see Figure 3) 1 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB Description Description Infineon is offering its cage for Small Form-factor Pluggable (SFP) transceivers with one of the most rigid mechanical designs available on the market. The cage is designed for press fit applications in order to reduce high volume manufacturing effort. Externally bent bezel contact springs and one-piece construction enhance EMI performance. Application Notes * Testing of rear connector may take place before SFP Cage is installed onto host board * SFP cage mounting holes should be plated with HASL, gold, or immersion silver finish per MSA dimensional recommendations * For double-sided mounting, host board thickness is .118 in [3.0 mm] minimum per the MSA. For belly-to-belly applications, three mounting feet are removed to avoid interference (V23838-S5-N1-BB) * Supports any single sided, belly to belly, or offset belly to belly configuration with a minimum pitch of 16.25 mm * Installation of the SFP cage should be done with a solid metal block across the top surface of the cage. Block dimensions to be controlled by customer * Removal of the cage should be done with an internal solid metal block * The Infineon SFP cage does not cause any damage when carefully removed; the outside profile of the 3D feet is smooth and will not destroy pre-plated host board mounting holes * Trapped fluids from washing process must be dried to prevent corrosion beneath the SFP cage * Cage retention depends on finished hole size and plating thickness Data Sheet 2 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB SFP Cage Host Board Mechanical Layout SFP Cage Host Board Mechanical Layout 34.5 10 3 PLACES 7.2 2.5 1) Datum and basic dimensions established by customer 2) Pads and vias are chassis ground, 11 places 3) Thru holes, plating optional 1) Y X 1) 7.1 2.5 CROSS-HATCHED AREA DENOTES COMPONENT AND TRACE KEEP-OUT (EXCEPT CHASSIS GROUND) BSC 0.850.05 0.1 S X Y A 2) 3.68 5.68 8.58 11.08 8.48 PIN 1 1.7 1.7 16.25 14.25 2) 2 11 PLACES 1.050.1 0.1 L X A S 10 HOLES 2) THIS AREA DENOTES COMPONENT KEEP-OUT (TRACES ALLOWED) 2) 2 11 PLACES 5 10 3 PLACES 0.950.05 0.1 L X A S 9 HOLES 3) 26.8 41.3 42.3 Dimensions in mm 4.8 File: 1519 Figure 1 Single-sided Host Board Layout 16.250.1 [.640] 1) Y 1.70.9 3.50.3 10.40.1 15.250.1 [.600] Y SECTION Y-Y 0.40.1 BEZEL OPENING BELOW PC BOARD 1) MINIMUM PITCH ILLUSTRATED, ENGLISH DIMENSIONS ARE FOR REFERENCE ONLY NOT RECOMMENDED FOR PCI EXPANSION CARD APPLICATIONS Dimensions in mm [inches] 10 REF File: 1520 Figure 2 Data Sheet Recommended Bezel Design 3 2003-08-07 9.6 11.93 V23838-S5-N1 V23838-S5-N1-BB SFP Cage Host Board Mechanical Layout V23838-S5-N1 SINGLE SIDED MOUNTING HOST PCB CROSS SECTION V23838-S5-N1-BB BELLY TO BELLY THREE FEET REMOVED File: 1514 Figure 3 Data Sheet 4 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB SFP Cage Host Board Mechanical Layout Single-sided Application File: 1515 Figure 4 File: 1516 Figure 5 Data Sheet 5 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB SFP Cage Host Board Mechanical Layout Belly to Belly Application File: 1517 Figure 6 File: 1518 Figure 7 Data Sheet 6 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB Package Outlines Package Outlines 16.25 48.70 14 9 11.50 9.55 2.10 A DETAIL A Dimensions in mm File: 1221 Figure 8 V23838-S5-N1 Data Sheet 7 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB Package Outlines 16.25 48.70 14 9 11.50 9.55 2.10 DETAIL A A Dimensions in mm File: 1222 Figure 9 V23838-S5-N1-BB Data Sheet 8 2003-08-07 V23838-S5-N1 V23838-S5-N1-BB Revision History: Previous Version: Page 1 2003-08-07 2003-07-08 DS3 Subjects (major changes since last revision) "Preliminary Data" removed For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http://www.infineon.com. Edition 2003-08-07 Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81541 Munchen, Germany (c) Infineon Technologies AG 2003. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide. Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life-support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. |
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