http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 1 1. scope this specification shall cover the characte ristics of the ceramic filter with the type lt10.7mj 2. part no.: part number customer part no specification no lt10.7mj 3. outline drawing and structure: appearance: no visibl e damage and dirt. construction: leads are soldered on electrode and body is molded by resin. dimensions:
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 2 3.4 structure component material lead wore solder plating copper wire mold resin epoxy resin solder high-melting solder (no pb) ceramic substrate lead titanate-zirconate over coating clear epoxy resin 4. rating and electrica l specifications: 4.1 rating items content withstand dc voltage max 50v 1minute applied dc voltage max 10v operating temperature -20 80 temp. coefficient of frequency (%) max 0.5 center frequency drift -20 80 storage temperature range -40 80 / h d g : l u h solder ceramic substrate 0 r o g 5 h v l q 2 y h u f r d w l q j
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 3 4.2 electrical specifications items content center frequency fo (mhz) 10.700 0.030 (red) 10.670 0.030(blue) 10.730 0.030(orange) 3db band width (khz) 150 40 20db band width (khz) max 400 insertion loss (db) max 10.0 ripple (within 3db bandwidth) % max 1.0 spurious response (db) min 38 (9 mhz ~12mhz) input/output impedance ( ) 330 5. measurement: measurement conditions: parts shall be measured under a condition ( temp. 20 15 ,humidity 65%20% r.h.) unless the standard condition(temp. 25 3 ,humidity 65%5% r.h.) is regu lated to measure. test circuit: rg+r1=r2=330 c=10pf(including stray capacitance and i nput capacitance of rf voltmeter)
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 4 6 physical and environmental characteristics no item condition of test performance requirements 6.1 humidity subject the filter at (60 2) and 90%~95% r.h. for 100 hours, filter shall be measured after being placed in natural conditions for 1 hour. it shall fulfill the specifications in table 1. 6.2 high temperature exposure subject the filter to (85 5) for 100 hours, filter shall be measured after being placed in natural conditions for 1 hour. it shall fulfill the specifications in table 1. 6.3 low temperature exposure subject the filter to (?-40 5) for 100 hours, filter shall be measured after being placed in natural conditions for 1 hour. it shall fulfill the specifications in table 1. 6.4 thermal shock after temperature cyclin g of blow table was performed 5 times, filter shall be measured after being placed in natural conditions for 1 hour. temperature time 1 (?40 3) (30 3) mins 2 room temp. 5 s 3 (+85 3) (30 3) mins 4 room temp. 5 s it shall fulfill the specifications in table 1. 6.5 vibration subject the filter 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 and then filter shall be measured. it shall fulfill the specifications in table 1. 6.6 mechanical shock test apply the half-sine shock pulses: 981m/s 2 ,6ms for 3 times in each direction of three mutually perpendicular planes. no visible damage and it shall fulfill the specifications in table 1. 6.7 drop test filter shall be measured after 3 times random dropping from the height of 1m on concrete floor. no visible damage and it shall fulfill the specifications in table 1.
http://www.luguang.cn email: lge@luguang.cn shenzhen luguang electronic technology co.,l td . 5 6 physical and environmental characteristics (continued from the preceding page) no item condition of test performance requirements 6.8 resistance to soldering heat lead terminals are immersed up to 2 mm from filter?s body in soldering bath of (+260 5) for (10 1) seconds and then filter shall be measured after being placed in natural conditions for 1 hour. it shall fulfill the specifications in table 1. 6.9 short time heat resistance store in (+1602) for 2 min and then filter shall be measured after being placed in natural conditions for 1 hour. it shall fulfill the specifications in table 1. 6.10 solderability lead terminals are immersed up to 2mm from filter?s body in soldering bath of (+250 5) for (2 0.5 )seconds. more than 95% of the terminal surface of the filter shall be covered with fresh solder. 6.11 6.11.1 6.11.2 terminal strength terminal pulling terminal bending force of 4.9n is applied to each lead in axial direction for (10 1) seconds. when force of 4.9n is applied to each lead in axial direction, the lead shall folded up 90 from the axial direction and folded back to the axial direction. the speed of folding shall be each 3 seconds. no visible damage and it shall fulfill the specifications in table 1. table 1 item specification after test center frequency drift 30khz max insertion loss drift 2db max. 3db band width drift 20khz max. 20db band width drift 30khz max. spurious response 25 db min note the limits in the above table are refe renced to the initi al measurements.
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