SAW Resonator R31681 Features 1-port Resonator Quartz Frequency Stabilization For transmitters or Local Oscillators 5.00±0.15 1.2±0.15 8 7 7 1 2 6 6 2 3 5 5 3 4 1.27±0.05 1 1.35±0.15 5.00±0.15 8 0.6±0.15 2.08±0.15 Package Dimension – S5050 4 Pin Configuration 2 Input 6 Output 1, 3, 4, 5, 7, 8 Ground Marking Configuration ITF1) 316812) 1) Manufacturer name 2) Marking Number * Ink or Laser Marking available * Front 4 digits for S5050 I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. R31681 Rev. Date 2015-10-30 Rev. NS3110-AS02 1/5 SAW Resonator R31681 Maximum Ratings Parameter Unit Minimum Typical Maximum Operating Temperature Range °C -10 25 60 Storage Temperature Range °C -40 - 85 Power Handling Capability dBm - 0 - Electrostatics Sensitive Device (ESD) Electrical Specification FR = 316.8MHz Terminating source impedance : 50 and matching network Terminating load impedance : 50 and matching network Resonance Frequency ( FR ) Insertion Loss Minimum Typical Maximum MHz 316.725 316.800 316.875 dB - 1.5 2.5 50 ohm Loaded Q Unloaded Q Trun-over Temperature Temperature Coefficient of Frequency 2,000 12,800 °C 10 25 40 ppm/°C2 - -0.032 - Notes : 1) All specifications are based on the matching schematic shown below 2) All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 Part No. R31681 Rev. Date 2015-10-30 Rev. NS3110-AS02 2/5 SAW Resonator R31681 Matching Schematic ( Actual matching values may vary due to PCB layout and parasitics ) Input 50Ω Output 50Ω Frequency Response 0 Insertion Loss ( dB ) -5 -10 -15 -20 -25 -30 256 258 260 Frequency Frequency ( MHz ) I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809 262 264 Part No. R31681 Rev. Date 2015-10-30 Rev. NS3110-AS02 3/5 SAW Resonator R31681 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. R31681 Rev. Date 2015-10-30 Rev. NS3110-AS02 4/5 SAW Resonator R31681 Carrier Tape Dimensions [unit : mm] A 5.50 0.1 B 5.50 0.1 C 7.25 0.1 D 1.95 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. R31681 Rev. Date 2015-10-30 Rev. NS3110-AS02 5/5