SAW Bandpass Filter F2481 Features RF bandpass filter Usable bandwidth ±100 kHz High attenuation Matching single operation Ceramic Surface Mounted Device Package ( 3.5 mm × 3.5mm ) Package Dimensions 3.50± 0.20 8 7 7 2 S4 3 1.27 511 1 6 6 2 5 5 3 0.60 4 0.8 4 0.95 1.0± 0.2 3.50± 0.20 1 1.0 8 Dimensions shown are nominal in millimeters Pin Configurations Body : Al2O3 Ceramic Lid : Kovar, Ni Plated Terminations : Au plating 0.3 ~ 1.0 um, Over a 1.27 ~ 8.89 um Ni Plating 2 Input 6 Output 1, 3, 4, 5, 7, 8 Case ground Maximum Ratings Parameters Unit Minimum Typical Maximum Operating Temperature Range °C -30 25 85 Storage Temperature Range °C -40 - 95 Power Handling Capability dBm - - 5 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. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 1/7 SAW Bandpass Filter F2481 Preliminary Specifications Minimum Typical Maximum Unit Center Frequency ( Fc ) - 248.45 - MHz Insertion Loss (In Fc ) - 3.3 4.0 dB Amplitude Ripple (In Fc ±100 kHz) - 0.4 0.85 dB - kHz 0.85 us 3dB Band Width Group Delay Time Ripple (In Fc ±100 kHz) Relative Attenuation In Fc ±600 kHz In Fc ±10.7 MHz In Fc ±21.4 MHz 260 - 0.4 25 50 60 30 65 65 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. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 2/7 SAW Bandpass Filter F2481 Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) L1 , L2 = 100 nH C1 , C2 = 2.0 pF Marking Configuration 1) 511 2) S4 1) Lot Number ( Year Month Date ) 2) Part Number Marking I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 3/7 SAW Bandpass Filter F2481 Typical Performance ( Ambient temperature +23℃ ℃ ) I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 4/7 SAW Bandpass Filter F2481 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. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 5/7 SAW Bandpass Filter F2481 Packing Specification 1. Reeling Quantity : 1000 pcs / 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. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 6/7 SAW Bandpass Filter F2481 Carrier Tape Dimensions [unit : mm] A 4.30 ± 0.1 B 4.30 ± 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. F2481 Rev. Date 2008-10-09 Rev. NC8017-AS01 7/7