StrongFirst 5g Диэлектрический керамический фильтр Bandpass для


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Цена:0,23 $ - 0,25 $*

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Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-20-2025 0.48 $* 0.72 $*
Aug-20-2025 0.25 $* 0.6 $*
Jul-20-2025 0.47 $* 0.15 $*
Jun-20-2025 0.92 $* 0.5 $*
May-20-2025 0.15 $* 0.88 $*
Apr-20-2025 0.79 $* 0.77 $*
Mar-20-2025 0.69 $* 0.16 $*
Feb-20-2025 0.74 $* 0.29 $*
Jan-20-2025 0.78 $* 0.23 $*

Характеристики


Model Number:SDFC0304R5235P819A89-R8


Type:dielectric filter


Transfer Function:Band Pass


Nominal Center Frequency:5235MHz


3dB Bandwidth:5150-5330 MHz


Insertion Loss:2.5 max. dB


Input Impedance:50Ω


Stopband Attenuation:50.0 min.@ 5490-5850MHz


Center frequency:5235MHz


Size:8.6*5*3mm


Insertion loss:2.5 max. dB


Bandwidth:5150-5330 MHz


Application:Repeater,Signal Amplifier,Mobile Based Mobile Base Statio


























Items



Requirement



Withstand DC Voltage



50V (1min max)



Insulation Resistance  MΩ min.



100(10V,1min±5s)



Storage temperature



-40℃~85℃



Operation Temperature Range ℃



-40 to +85



 


ELECTRICAL SPECIFICATIONS


 


 










































Items



Requirement



Center frequency MHz



5235



Bandwidth [BW] MHz



fo ±90[5150-5330]



Insertion Loss in BW dB max



2.5



Ripple in BW dB max



1.3



Return loss. in BW min.



10



Attenuation[Absolute Value] dB min



50.0 min.@ 5490-5850MHz



Input Power  W  max.



1



In/Out Impedance ohm



50



 


















































No.



Item



Test Condition



Remark



5.1



Humidity Test



The device is subjected to 90%~95% relative humidity 40℃±2℃ for 96h~98h,then dry out at 25℃±5℃ and less than 65% relative humidity for 2h~4h. After dry out the device shall satisfy the specification in table 1.



It shall fulfill the specifications


in Table 1.



5.2



High  


Temperature


Exposure



The device shall satisfy the specification in table 1 after leaving at 85℃ for 16h,provided it would be measured after 2h~4h leaving in 25℃±5℃ and less than 65% relative humidity.



It shall fulfill the specifications


in Table 1.



5.3



Low


Temperature



The device shall satisfy the specification in table 1 after leaving at- 40℃ for16h,provided it would be measured after 2h~4h leaving in 25℃±5℃ and less than 65% relative humidity.



It shall fulfill the specifications


in Table 1.



5.4



Temperature


Cycle



Subject the device to -25℃ for 30 min. followed by a high temperature of 85 for 30 min cycling shall be repeated 5 times. At the room temperature for 1h~4h prior to the measurement.



It shall fulfill the specifications


in Table 1.



5.5



Vibration



Subject the device to vibration  for 2h 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.




 

























5.6



Soldering Test



The device should be satisfied after preheating at 120℃~150℃ for 60seconds and dipping in soldering Sn an 260℃±5℃ for 10±1 seconds.



Mechanical damage shall not occur.



5.7



Solder


Ability



Dipped in 250℃±5℃ solder bath for 3s±0.5 s with rosin flux (25wt% ethanol solution.)



The terminals shall be at least 95% covered by solder.



5.8



Terminal


Pressure Strength



The device is subjected to be soldered to be soldered on test PCB .Then apply 5N of force for 10s±1s in the direction of the arrow.


 



Mechanical damage such as breaks shall not occur.




 













Table 1



 





























Item



Characteristics after test



Center frequency Change MHz



±3.0



Insertion Loss Change dB max



±0.3



Ripple dB max



±0.3



Attenuation Change dB min



±2.0



Note:The limits in the above table are referenced to the initial measurements.



 



 


 


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