SAW Bandpass Filter F8681 Features RF bandpass filter High attenuation Usable bandwidth 4MHz No matching 50Ω single-ended operation Ceramic Surface Mounted Device (SMD) Package Package Dimensions 1 2 I 8681 3 6 6 1 5 5 2 4 4 3 Pin Configuration mensions shown are nominal in millimeters 2 Input Body : Al2O3 Ceramic Lid : Kovar, Ni Plated Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating 5 Output 1, 3, 4, 6 Case ground Maximum Ratings Parameter Unit Minimum Typical Maximum Operating Temperature Range °C -20 25 50 Storage Temperature Range °C -40 - 85 Power Handling Capability dBm - - 22 Electrostatics Sensitive Device (ESD) I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 1/7 SAW Bandpass Filter F8681 Specifications Fc = 868.0MHz Terminating source impedance : 50Ω Terminating load impedance : 50Ω Center Frequency ( Fc ) Insertion Loss (Fc ± 2.0 MHz) Amplitude Ripple VSWR (Fc ± 2.0 MHz) Minimum Typical Maximum MHz - 868.0 - dB - 4.0 4.5 dB - 0.5 1.0 - 1.5 2.0 47 40 50 50 - (Fc ± 2.0 MHz) Relative Attenuation … Fc-400 ~ – 40.8 MHz Fc+50 ~ + 400 MHz ~ … dB Notes : 1) All specifications are based on the matching schematic shown below, measured by Agilent Network analyzer and full 2 port calibration. 2) Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 2/7 SAW Bandpass Filter F8681 Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω Output 50Ω Marking Configuration 1) I2) 86813) 1) Pad Number 1 Index 2) Manufacturer name 3) Marking Number * Ink or Laser Marking available I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 3/7 SAW Bandpass Filter F8681 Typical Performance ( at 25℃ ℃ ) I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 4/7 SAW Bandpass Filter F8681 Input / Output VSWR Charts Input / Output Smith Charts I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 5/7 SAW Bandpass Filter F8681 Packing Specification 1. Reeling Quantity : 3000 pcs / 13” reel ( or 1000 pcs / 7” reel ) 2. Taping Structure : The tape shall be wound around the reel in the direction shown below. TOP COVER TAPE REEL CARRIER TAPE Tape Specification 1. Leader part and vacant position specification Vacant 150mm min. Component contained Vacant 150mm min. Leader part 250mm min. END START Tape Running Direction 2. Tensile strength of carrier tape 4.4N/mm width Direction of pull Top cover tape 3. Top cover tape adhesion 0~15 degree 1) pull off angle : 0~15° 2) speed : 300mm/min 3) force : 20~70g I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Carrier tape Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 6/7 SAW Bandpass Filter F8681 Carrier Tape Dimensions [unit : mm] A 3.40 ± 0.1 B 3.40 ± 0.1 C 7.25 ± 0.1 D 1.70 ± 0.1 E 12.00 ± 0.1 F 8.00 ± 0.1 Part Direction Tape Running Direction Reel Dimensions [unit : mm] I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F8681 Rev. Date 2008-08-11 Rev. NS6008-AS03 7/7