. 1.6x1.0mm Tuning Fork K161 (former FX161) DATASHEET * SPECIFICATIONS PARAMETERS Frequency Frequency Tolerance @ 25C Frequency Stability Temperature Coefficient Temperature Range Turnover (TO) Operating (TOPR) Storage (TSTG) Equivalent Series Resistance (RS) Load Capacitance (CL) Insulation Resistance @ 100VDC Drive Level ST Aging (1 year) Maximum Soldering Temp / Time Moisture Sensitivity Level (MSL) Termination Finish Seal Method Lead (Pb) Free RoHS/REACH Compliant MAX (unless otherwise noted) 32.768 kHz 20 PPM -0.04 PPM / (C) 2 +20C ~ +30C -40C ~ +85C -55C ~ +125C 90 k (See options on page 2) 500 M Min 0.5 W (0.1 W Typ) 3 PPM 260C / 10 Seconds 1 Au over Ni Seam Seal Yes Yes Parabolic Coefficient. C 0 -20 -40 -25 -10 5 20 35 50 65 80 -40 Note: Dimensional drawing is for reference to critical specifications defined by size measurements. Certain non-critical visual attributes, such as side castellations, etc. may vary. -60 -80 ppm -100 -120 -140 -160 -180 (c) Copyright 2017 Fox Electronics, All rights reserved Title / Description: K161 SERIES STANDARD SPECIFICATIONS Drawing Number: 101033 Size: A Part Number: Cage: 61429 Draftsperson: CMR Approved: RB Revision Date: 05/25/2017 Page 1 of 2 K161 1.6x1.0mm Tuning Fork (former FX161) DATASHEET * TAPE SPECIFICATIONS (millimeters) A 1.5 B 4.0 C 4.0 D 3.5 * REEL SPECIFICATIONS (millimeters) E F STD Reel QTY 8.0 0.6 5,000 G 2.0 I 21 H 13 J 60 K 180 L 9.0 M 1.2 Available Options & Part Identification for Tuning Fork Crystal Model K161 F K161 E I H M 0.032768 F K161 E I H M 0.032768 FOX Model Number Tolerance E = 20 PPM Stability I = -0.04 PPM / 2 (C) Load Capacitance H=12.5pF V=7pF W=9pF Operating Temperature M = -40 ~ +85C Frequency (MHz) Corporate Headquarters 5570 Enterprise Parkway Fort Myers, FL 33905 http://www.FOXONLINE.com Sales 1-888-GET-2-FOX (1-888-438-2369) or 1-239-693-0099 http://www.FOXONLINE.com/repdisty Tech Support http://www.FOXONLINE.com/email PRODUCT USE: Fox Electronics reserves the right to modify the products and/or specifications described herein at any time and at Fox Electronics' sole discretion. All information in this document, including descriptions of product features and performance, is subject to change without notice. Performance specifications and the operating parameters of the described products are determined in the independent state and are not guaranteed to perform the same way when installed in customer products. The information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of Fox Electronics' products for any particular purpose, an implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property rights of Fox Electronics or any third parties. Fox Electronics' products are not intended for use in applications involving extreme environmental conditions or in life support systems or similar devices where the failure or malfunction of a Fox Electronics product can be reasonably expected to significantly affect the health or safety of users. Anyone using a Fox Electronics product in such a manner does so at their own risk, absent an express, written agreement by Fox Electronics. Fox Electronics and the Fox logo are registered trademarks of Fox Electronics. Product specification is subject to change without notice. Other trademarks and service marks used herein, including protected names, logos and designs, are the property of Fox Electronics or their respective third party owners. For datasheet type definitions and a glossary of common terms, visit http://www.foxonline.com/tgcrystals.html . (c) Copyright 2017 Fox Electronics, All rights reserved Title / Description: K161 SERIES STANDARD SPECIFICATIONS Drawing Number: 101033 Size: A Part Number: Cage: 61429 Draftsperson: CMR Approved: RB Revision Date: 05/25/2017 Page 2 of 2