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FILTER SOLUTION EXPERT
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Customized RF Components and Microwave

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Temwell  is  the  worldwide  expert  of  Helical  BandPass  Filter  in  design  and  manufacture. Based on over 25 years experience, Temwell design and presents Helical Band Pass Filters for Toko Filter replacement, including Toko 5H Series, 7H Series, 5CH SMD Series, 13H Series, and 19H Series.

Here we presents the across list of Toko HRW (231MT Series) V.S. TF 7H4 Series to you for reference.

proimages/pro/02_Toko/CUSTOM_TOKO/Toko_19H.jpg

proimages/pro/02_Toko/CUSTOM_TOKO/Toko_19H_HRW.jpg

Toko P/N

Temwell's P/N

Fo

(MHz)

(-1dB)BW

(MHz)

Fo-( )M

/( )dB

Fo+( )M

/( )dB

IL

(dB)  

231MT-1033A TF6971F-(350~400)M387.53.520(23)20(18)3.0
231MT-1032A TF6971F-(350~400)M407.54.020(22)20(19)2.5
231MT-1031A TF69466B-(400~450)M427.55.020(15)20(12)2.0
231MT-1018A TF69466B-(400~450)M432.53.530(28)30(21)4.5
231MT-1026ATF6974F-(455~515)M457.54.030(25)30(21)4.0
231MT-1027ATF6974F-(455~515)M477.54.030(25)30(21)4.0
231MT-1028ATF6974F-(455~515)M497.54.030(25)30(18)4.0

P/N Freq Range -3dB BW IL @Fo-(  )M/dB Impedance Series Type Power Height Size-Height RF Range Stock