phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number CMF33C945S30A rev. date 2005-6-20 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.0 page 1/3 c c h h i i n n a a e e l l e e c c t t r r o o n n i i c c s s t t e e c c h h n n o o l l o o g g y y g g r r o o u u p p c c o o r r p p o o r r a a t t i i o o n n n n o o . . 2 2 6 6 r r e e s s e e a a r r c c h h i i n n s s t t i i t t u u t t e e s s i i p p a a t t c c o o . . , , l l t t d d . . w w w w w w . . s s i i p p a a t t s s a a w w . . c c o o m m dielectric filter specification part number: CMF33C945S30A 1. part number part no. customer part no. CMF33C945S30A 2. test condition 2-1 typical condition : -temperature : 20 -humidity : 65%rh 2-2 standard condition : -temperature :-40 to +85 -humidity : 45%rh to 85%rh 3. composition and material no. name composition and materials 3-1 resonator dielectric materials 3-2 number of hole 3 hole 3-3 in/output terminals ag or sn plated 3-4 ground base ag or sn plated 4. electrical specifications no. item specifications 4-1 center frequency(fo) 945.0mhz 4-2 band width(-1db) fo 15.0mhz 4-3 insertion loss in bw 2.5db max. 4-4 ripple in bw 0.8db max. 4-5 v.s.w.r in bw 2.0 :1 max. 4-6 attenuation 33db min. at fo 100.0mhz 12db min. at fo 35.0mhz 4-7 input power 1 w 4-8 nominal characterisic impedance 50
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number CMF33C945S30A rev. date 2005-6-20 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.0 page 2/3 c c h h i i n n a a e e l l e e c c t t r r o o n n i i c c s s t t e e c c h h n n o o l l o o g g y y g g r r o o u u p p c c o o r r p p o o r r a a t t i i o o n n n n o o . . 2 2 6 6 r r e e s s e e a a r r c c h h i i n n s s t t i i t t u u t t e e s s i i p p a a t t c c o o . . , , l l t t d d . . w w w w w w . . s s i i p p a a t t s s a a w w . . c c o o m m dielectric filter specification part number: CMF33C945S30A 5. appearances and dimensions mf945a ground tolerance: 0.3 (unit: mm) 6. recommended reflow pad in-out port soldering point ground soldering point
phone: +86-23-62920684 fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com part number CMF33C945S30A rev. date 2005-6-20 sipat co., ltd. ( cetc no. 26 research institute ) nanping huayuan road no. 14 chongqing, china, 400060 rev. 1.0 page 3/3 c c h h i i n n a a e e l l e e c c t t r r o o n n i i c c s s t t e e c c h h n n o o l l o o g g y y g g r r o o u u p p c c o o r r p p o o r r a a t t i i o o n n n n o o . . 2 2 6 6 r r e e s s e e a a r r c c h h i i n n s s t t i i t t u u t t e e s s i i p p a a t t c c o o . . , , l l t t d d . . w w w w w w . . s s i i p p a a t t s s a a w w . . c c o o m m dielectric filter specification part number: CMF33C945S30A 7. reflow soldering standard conditions
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