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VF45A2M Dataheets PDF



Part Number VF45A2M
Manufacturers HAODA ELECTRONICS
Logo HAODA ELECTRONICS
Description SAW filter
Datasheet VF45A2M DatasheetVF45A2M Datasheet (PDF)

1.SCOPE Shoulder’ s SAW filter series have broad line up products meeting all broadcast standard including NTSC,PAL and SECAM systems. These filters are composed of two interdigital transducers on a single-crystal. piezoelectrical chip. they are used in electronic equipments such as TV and so on. 2.Construction 2.1 Dimension and materials Manufacturer’ s name : HAODA ELECTRONICS Co. LTD(CHINA) Type : VF45A2M 0: year(0,1,2,3,4,5,6,7,8,9) B:product in this quarter(A:1~3,B:4~6,C:7~9,D:10~12) 2.2.

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1.SCOPE Shoulder’ s SAW filter series have broad line up products meeting all broadcast standard including NTSC,PAL and SECAM systems. These filters are composed of two interdigital transducers on a single-crystal. piezoelectrical chip. they are used in electronic equipments such as TV and so on. 2.Construction 2.1 Dimension and materials Manufacturer’ s name : HAODA ELECTRONICS Co. LTD(CHINA) Type : VF45A2M 0: year(0,1,2,3,4,5,6,7,8,9) B:product in this quarter(A:1~3,B:4~6,C:7~9,D:10~12) 2.2. Circuit construction, measurement circuit 3.Characteristics Standard atmospheric conditions Unless otherwise specified , the standard rang of atmospheric conditions for making measurements and tests is as follows; Ambient temperature : 15¡æ to 35¡æ Relative humidity : 25% to 85% Air pressure : 86kPa to 106kPa Operating temperature rang Operating temperature rang is the rang of ambient temperatures in which the filter can be operated continuously. -10¡æ ~ +60¡æ Storage temperature rang Storage temperature rang is the rang of ambient temperatures at which the filter can be stored without damage. Conditions are as specified elsewhere in these specifications. -40¡æ ~ +70¡æ Reference temperature +25¡æ 3.1 Maximum Rating DC voltage VDC 12 V Between any terminals 3.2 Electrical Characteristics Item Insertion attenuation Freq 44.00MHz 45.75MHz 42.17MHz Relative attenuation 44.00MHz Reference level 41.25MHz (at 45.75MHz) 39.75MHz 47.25MHz 33.75~39.75MHz Sidelobe 47.25~53.25MHz Temperature coefficient of frequency min 26.8 5.2 5.1 typ 28.8 0 6.2 6.1 -18 TA=25¡æ max 30.8 dB dB 7.2 dB 7.1 dB -15.0 dB -35.0 dB -38.0 dB -26.0 dB -26.0 dB Ppm/k 3.3 Environmental Performance Characteristics Item Test condition Allowable change of absolute Level at center frequency(dB) High temperature test < 1.0 70¡æ 1000H Low temperature test < 1.0 -40¡æ 1000H Humidity test < 1.0 40¡æ 9095% 1000H Thermal shock < 1.0 -20¡æ==25¡æ==80¡æ 20 cycle 30M 10M 30M Solder temperature test < 1.0 Sold temp.260¡æ for 10 sec. Soldering More then 95% of total Immerse the pins melt solder area of the pins should be covered with solder at 260¡æ+5/0¡æ for 5 sec. 3.4 Mechanical Test Item Test condition Vibration test 600-3300rpm amplitude 1.5mm 3 directions 2 H each Drop test On maple plate from 1 m high 3 times Lead pull test Pull with 1 kg force for 30 seconds Allowable change of absolute Level at center frequency(dB) <1.0 <1.0 <1.0 Lead bend test 90o bending with 500g weigh 2 times 3.5 Voltage Discharge Test Item Test condition Surge test Between any two electrode <1.0 Allowable change of absolute Level at center frequency(dB) <1.0 .


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