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253251B Datasheet(PDF) 1 Page - Integrated Technology Future |
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253251B Datasheet(HTML) 1 Page - Integrated Technology Future |
1 / 2 page 125.0 MHz SAW Filter Part Number 253251B Tel: 82-32-621-1213 2010. 09.14 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Fax: 82-32-621-1218 http://www.itf.co.kr sales@itf.co.kr Rev 1.0 1. Features Typical 1dB bandwidth of 31.85 MHz High attenuation Single Ended Operation Surface Mounted Package (SMD) 2. Electrical Specifications Source and Load Impedance = 50 Operating Temperature : +25℃ ℃ ℃ ℃ Minimum Typical Maximum Center Frequency (fo) MHz - 125.0 - Insertion Loss dB - 23.5 25.0 1dB Bandwidth MHz 31.7 31.85 - 3dB Bandwidth MHz - 32.65 - 40dB Bandwidth MHz - 36.2 36.3 Amplitude Ripple (fo ± 15.5 MHz) dB - 0.5 1.0 Group Delay Variation (fo ± 15.5 MHz) nsec - 20 40 Absolute Delay usec - 0.98 - Ultimate Rejection dB 50 52 - Temperature Coefficient of Frequency ppm/℃ ℃ ℃ ℃ - -72 - S1365 Package Dimension Matching Schematic Pin Configuration Input 11 Ground 6,12 12 11 10 9 8 7 6 5 4 3 2 1 0.80±0.1 1.50±0.1 2.54±0.1 7.62±0.1 13.30±0.2 1 2 3 4 10 9 8 7 5 6 11 12 Dimensions shown are nominal in millimeters Body : Al2O3 Lid : Kovar, Ni Plated Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating Output 5 Others Ground Output 50Ω Input 50Ω 82nH 68nH 5 11 4.3pF ITF 10A001 253251B 125-31.9M |
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