http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 1 1. scope this specification shall cover the characteristics of the ceramic resonator with the type zttcw24.0mx. 2. part no.: part number customer part no specification no zttcw24.0mx 3. outline drawing and dimensions: appearance: no visible damage and dirt. dimensions: notes: 1.all dimensions ar e in millimeters. 2.marking: a and eiaj monthly code.
k w w s z z z o x j x d q j f q ( p d l o o j h # o x j x d q j f q 6 + ( 1 = + ( 1 / 8 * 8 $ 1 * ( / ( & 7 5 2 1 , & 7 ( & + 1 2 / 2 * < & 2 / 7 ' . 2 4. structure no: components materials 1 ceramic substrate insulation substrate 2 ceramic substrate piezoelectric ceramics (pzt) 3 ceramic substrate insulation substrate 4 adhesive epoxy resin 5 uv ink for marking 6 outer electrodes top and bottom electrodes ag+ni(under plating)+sn(over plating) side electrodes ni+cu+ag(under plating)+sn(over plating) 7 electrode cu+ag
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 3 5. electrical specifications: no item requirements 5.1 oscillation frequency fosc mhz 24.0 frequency accuracy (%) 0.5 5.2 resonant impedance ro ( )max 40 5.3 temperature coefficient of oscillation frequency (%) max 0.2 (oscillation frequency drift -25 to +85 ) 5.4 withstanding voltage 50 vdc, 1 min 5.5 rating voltage u r (v) (1) d.c. voltage (2) a.c. voltage 6 vdc. 15 vp-p. 5.6 insulation resistance ri, m ? min 500 5.7 operating temperature ( ) -25 +85 5.8 storage temperature ( ) -55 +85 5.9 aging rate (%) max 0.2 (for 10 years) 5.10 loop gain (db) min 12.0 6. measurement: measurement conditions: parts sha ll be measured under a condition ( temp. 2015 ,humidity 6520% r.h.) unless the standard condition(temp. 253 ,humidity 655% r.h.) is regulated to measure. test circuit: ic: 1/6 tc74hcu04p2 x: ceramic resonator
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 4 7. physical and environmental characteristics no item condition of test performance requirements 7.1 humidity keep the resonator at 602 and 90-95% rh for 964 hours. then release the resonator into the room condition for 1 hour prior to the measurement. it shall fulfill the specifications in table 1. 7.2 vibration subject the re sonator to vibration for 2 hours each in x y and z axis with the amplitude of 1.5mm, the frequency shall be varied uniformly between the limits of 10hz?55hz. it shall fulfill the specifications in table 1. 7.3 mechanical shock drop the resonator randomly onto a wooden floor from the height of 100cm 3 times. it shall fulfill the specifications in table 1. 7.4 soldering test passed through the re-flow oven under the following condition and left at room temperature for 1 hour before measurement. it shall fulfill the specifications in table 1. temperature at the surface of the substrate time preheat 1505 6010 sec peak 2405 103 sec 7.5 solder ability dipped in 2305 solder bath for 30.5 sec seconds with rosin flux 25wt% ethanol solution. the terminals shall be at least 95% covered by solder. 7.6 high temperature exposure subject the resonator to 855 for 964 hours. then release the resonator into the room conditions for 1 hour prior to the measurement. it shall fulfill the specifications in table 1.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 5 7. physical and environmenal characterisics (continued from the preceding page) no item condition of test performance requirements 7.7 low temperature exposure subject the resonator to ?255 for 964 hours. then release the resonator into the room conditions for 1 hour prior to the measurement. it shall fulfill the specifications in table 1. 7.8 temperature cycling subject the resonator to -40 for 30 min. followed by a high temperature of 85 for 30 min. cycling shall be repeated 5 times with a transfer time of 15 sec. at the room temperature for 1 hour prior to the measurement. it shall fulfill the specifications in table 1. 7.9 board bending mount a glass-epoxy board (width=40mm,thickness=1.6mm), then bend it to 1mm displacement and keep it for 5 seconds. (see the following figure) support bar press head press d mechanical damage such as breaks shall not occur. table 1 item specification oscillation frequency change fosc/fosc (%) max 0.3 resonant impedance ( ) max 60 8. review of specifications when something gets doubtful with this specifications, we shall jointly work to get an agreement.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 6 9. recommended land pattern and reflow soldering standard conditions a) recommended land pattern land pattern b) recommended reflow soldering standard conditions within 80-120sec. pre-heating within 10 sec within 20-40sec 10. package to protect the products in storage and transportation it is necessary to pack them outer and inner package .on paper pack, the following requirements are requested.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 7 a) dimensions and mark at the end of package, the warning (moisture proof, upward put) should be stick to it. dimensions and mark (see below) b) section of package package is made of corruga ted paper with thickness of 0.8cm.package has 12 inner boxes, ea ch box has 6 reels (each reel for plastic bag). no. name quantity notes 1 package 1 2 certificate of approval 1 3 label 1 4 tying 2 5 adhesive tape 1.2m 6 belt 2.9m 7 inner box 10
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 8 c) quantity of package per plastic reel 3000 pi eces of piezoelectric ceramic part per inner box 6 reels per package 12 inner boxes 216000 pieces of piezoelectric ceramic part d) inner packing dimensions 1 label 2 qc label 3 inner box pars shall be packaged in box with hold down tape upside. part no., quantity and lot no. unit: mm
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 9 e) reel max f) packing method sketch map loaded pocket blank pocket 10 pitches leader 200mm max blank pocket 10 pitches g) test condition of peeling strength 10 max top tape p e e l i n g s t r e n g t h 2 0 - 7 0 g c arrier t ap e
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