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LTM455IU Datasheet(PDF) 4 Page - Shoulder Electronics Limited. |
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LTM455IU Datasheet(HTML) 4 Page - Shoulder Electronics Limited. |
4 / 4 page FILTER INTO THE ROOM CONDITIONS FOR 1 TO 2 HOURS PRIOR TO THE MEASUREMENT. IT SHALL FULFILL THE SPECIFICATIONS IN TABLE 1. 6-4 TEMPERATURE CYCLING SUBJECT THE FILTER TO A LOW TEMPERATURE OF -55℃ FOR 30 MINUTES. FOLLOWSING BY A HIGH TEMPERATURE OF +85℃ FOR 30 MINUTES. THEN RELEASE THE FILTER INTO THE ROOM CONDITIONS FOR 1 TO 2 HOURS PRIOR TO THE MESUREMENT. IT SHALL MEET THE SPECIFICATIONS IN TABLE 1. 6-5 RESISTANCE TO SOLDER HEAT DIP THE FILTER TERMINALS NO CLOSER THAN 1.5mm INTO THE SOLDER BATH AT 270℃ ±10℃ FOR 10±1 SEC. THEN RELEASE THE FILTER INTO THE ROOM CONDITIONS FOR 1 TO 2 HOURS. THE FILTER SHALL MEET THE SPECIFICATIONS IN TABLE 1. 6-6 MECHANICAL SHOCK DROP THE FILTER RANDOMLY ONTO THE CONCRETE FLOOR FROM THE HEIGHT OF 30cm 3 TIMES.THE FILTER SHALL FULFILL THE SPECIFICATIONS IN TABLE 1. 6-7 VIBRATION SUBJECT THE FILTER TO THE VIBRATION FOR 1 HOUR EACH IN X,Y AND Z AXES WITH THE AMPLITUDE OF 1.5 mm AT 10 TO 55 Hz. THE FILTER SHALL FULFILLTHE SPECIFICATIONS IN TABLE 1. 6-8 LEAD FATIGUE 6-8-1 PULLING TEST WEIGHT ALONG WITH THE DIRECTION OF LEAD WITHOUT AN SHOCK 3 KG. THE FILTER SHALL SATISFY ALL THE INITIAL CHARACTERISTICS. 6-8-2 BENDING TEST LEAD SHALL BE SUBJECT TO WITHSTAND AGAINST 90℃ BENDING IN THE DERECTION OF THICKNESS. THIS OPERATION SHALL BE DONE TOWARD BOTH DIRECTION. THE FILTER SHALL SHOW NO EVIDENCE OF DAMAGE AND SHALLSATISFY ALL THE INITIAL ELECTRICAL CHARACTERISTICS. TABLE 1 ITEM SPECIFICATION CENTRE FREQUENCY(f。) 450 ±1.5 KHz Max BAND WIDTH(6 dB) ±10.0 KHz Min SELECTIVITY(40dB) ±20 KHz Max STOP BAND ATTENUATION 30 dB Min RIPPLE 2.5 dB Max INSERTION LOSS 4 dB Max Http://www.shoulder.cn SHOULDER ELECTRONICS LIMITED Page: 4 |
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