SAW Bandpass Filter F7821 Features RF bandpass filter High attenuation No matching 50Ω single-ended operation Ceramic Surface Mounted Device (SMD) Package ( 3.8 mm * 3.8 mm ) RoHS Compliant Package Dimension – SMD 3.8 × 3.8 8 ITF 7821 3 4 7 7 1 6 6 2 5 5 3 1.27 2 8 1.10± 0.15 3.80± 0.15 1 0.60 3.80± 0.15 4 1.00 Pin Configuration Dimensions 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 6 Output 1, 3, 4,5,7,8 Case ground Maximum Ratings Parameter Unit Minimum Typical Maximum Operating Temperature Range ℃ -20 25 70 Storage Temperature Range ℃ -40 25 85 Power Handling Capability dBm 10 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 1/7 SAW Bandpass Filter F7821 Specifications Fc = 782.0 MHz Terminating source impedance : 50Ω Terminating load impedance : 50Ω Minimum Typical Maximum Unit Center Frequency ( Fc ) - 782 - MHz Insertion Loss (In Fc +/- 5 MHz) - 1.4 2.5 dB Amplitude Ripple (In Fc +/- 5 MHz) - 0.5 1.5 dBp-p VSWR (In Fc +/- 5 MHz) - 1.2 2.0 10 ~ 700 MHz 30 41 - 746 ~ 756 MHz 40 47 - 840 ~ 890 MHz 35 44 - Temperature Range (Operational) -20 25 70 ℃ Input RF Power (In Fc +/- 5 MHz) - 0 - dBm Relative Attenuation Input/Output Impedance dB 50 Ohms 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 2/7 SAW Bandpass Filter F7821 Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω Output 50Ω Marking Configuration ITF 1) 7821 2) 1) Manufacturer name 2) 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 3/7 SAW Bandpass Filter F7821 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 4/7 SAW Bandpass Filter F7821 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 5/7 SAW Bandpass Filter F7821 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 6/7 SAW Bandpass Filter F7821 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. F7821 Rev. Date 2011-04-06 Rev. NCMC04-AS02 7/7