SAW Bandpass Filter F9281 Features RF bandpass filter High attenuation Usable bandwidth 7MHz No matching 50Ω single-ended operation Ceramic Surface Mounted Device (SMD) Package 1.00± 0.15 1.90± 0.15 0.44 3.80± 0.15 0.64± 0.05 Package Dimensions ITF 9281 3 6 1 0.44 5 5 2 4 4 3 1.27± 0.05 2 6 1.40± 0.15 3.80± 0.15 1 Dimensions shown are nominal in millimeters Pin Configuration 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 5 Output 1, 3, 4, 6 Case ground Maximum Ratings Parameter Unit Minimum Typical Maximum Operating Temperature Range °C - 25 - Storage Temperature Range °C -40 - 85 Power Handling Capability dBm - - - 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. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 1/7 SAW Bandpass Filter F9281 Specifications Fc = 928.5 MHz Terminating source impedance : 50Ω Terminating load impedance : 50Ω Minimum Typical Maximum MHz - 928.5 - Insertion Loss (Fc +/- 3.5 MHz) dB - 2.8 3.5 Amplitude Ripple (Fc +/- 3.5 MHz) dB - 0.5 1.2 Absolute Group Delay at Fc nsec - 60 - Group Delay Variation (Fc +/- 3.5 MHz) nsec - 50 - - 1.5 2.0 dB 35 40 40 50 - ppm/°C - -42 - Center Frequency ( Fc ) VSWR (Fc +/- 3.5 MHz) Relative Attenuation … ~ Fc - 25 MHz Fc + 60 MHz ~ … Temperature Coefficient of Frequency 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. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 2/7 SAW Bandpass Filter F9281 Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω Output 50Ω Marking Configuration ITF1) 92812) 1) Manufacturer name 2) Marking Number I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 3/7 SAW Bandpass Filter F9281 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. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 4/7 SAW Bandpass Filter F9281 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. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 5/7 SAW Bandpass Filter F9281 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. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 6/7 SAW Bandpass Filter F9281 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. F9281 Rev. Date 2009-07-15 Rev. NR9007AS01 7/7