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| Helical Filters for Surface Mounting TYPE 5CHLW 5CHW 5CHT 5CHLW Double Tuned, 5CHW Double Tuned, 5CHT Triple Tuned Frequency Range: 5CHLW 780~1150MHz 5CHW, 5CHT 400~520MHz 5CHLW 5CHW 11.1Max. 6Max. 4.6Max. 7 0.6 0.8 5.05 (Unit: mm) 6Max. 6.3Max. 0.6 0.8 3.2 (Unit: mm) 2.45 R1=50 R2=50 BOTTOM VIEW 6Max. 6.3Max. 7 0.6 11.5Max. 5.6 1 5CHT 3.2 7 3.1 17.3Max. (Unit: mm) Features * Compact low-profile helical filters for surface mounting, ideal for mobile communications equipment. * RoHS compliant * * Applications * Surface mounting type: Cellular, cordless telephones, paging devices, etc. Test circuits 5CHLW/5CHW R1 2 1 3 8 4 7 5 6 * 5CHT R2 R1 2 1 3 12 4 11 5 10 6 9 7 8 R2 R1=50 R2=50 BOTTOM VIEW 5.65 5.65 continued on next page 3.2 3.2 Helical Filters for Surface Mounting 5CHLW 5CHW 5CHT TYPE continued from previous page SELECTION GUIDE FOR STANDARD FILTERS TYPE 5CHLW (Double tuned) TOKO Part Number 477MS-1031A 477MS-1032A 477MS-1033A 477MS-1034A 477MS-1035A 477MS-1036A 477MS-1037A 477MS-1038A Center Frequency (MHz) 832.5 850 870 902.5 915 933 947.5 950 Bandwidth (-1dB) (MHz) Min. 25 25 25 25 25 25 25 25 Selectivity Fo - 100MHz Fo + 100MHz (dB) Min. (dB) Min. 25 18 25 17 25 18 24 18 25 18 25 25 22 18 18 17 Ripple (dB) Max. 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Insertion Loss (dB) Max. 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 TYPE 5CHW (Double tuned) TOKO Part Number 492S-1051A 492S-1052A 492S-1053A 492S-1054A 492S-1055A 492S-1056A 492S-1057A 492S-1058A 492S-1059A 492S-1060A 492S-1061A 492S-1062A 492S-1063A 492S-1064A 492S-1065A Center Frequency (MHz) 420 425 427 430 435 440 450 452 456 460 463.5 465 470 480 510 Bandwidth (-1dB) (MHz) (dB) Min. 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Selectivity Fo - 50MHz Fo + 50MHz (dB) Min. (dB) Min. 14 20 14 20 14 20 14 20 14 20 13 12 12 12 12 12 12 12 12 12 18 17 17 16 16 16 16 15 15 15 Insertion Loss (dB) Max. 3.0 3.0 3.0 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 Ripple (dB) Max. 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 TYPE 5CHT (Triple tuned) TOKO Part Number 493S-1066A 493S-1067A 493S-1068A 493S-1069A 493S-1070A 493S-1071A 493S-1072A 493S-1073A 493S-1074A 493S-1075A 493S-1076A 493S-1077A 493S-1078A 493S-1079A 493S-1080A Center Frequency (MHz) 395 420 425 430 435 440 450 452 456 460 465 470 480 485 510 Bandwidth (-1dB) (MHz) (dB) Min. 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Selectivity Fo - 50MHz Fo + 50MHz (dB) Min. (dB) Min. 33 33 30 30 30 30 30 30 30 30 27 27 27 27 27 27 27 26 26 25 27 27 27 27 27 27 27 26 26 25 Insertion Loss (dB) Max. 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 Ripple (dB) Max. 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 |
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