RO3103D

• • • • • • • • RO3103D Ideal for 418.0 MHz Remote Control and Security Transmitters Very Low Series Resistance Quartz Stability Surface Mount Ceramic Case Complies with Directive 2002/95/EC (RoHs) Tape and Reel Standard per ANSI/EIA-481 Moisture Sensitivity Level: 1 AEC-Q200 Qualified RoHS Compliant 418.00 MHz SAW Resonator The RO3103D is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount, ceramic case. It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency transmitters operating at 418.0 MHz. This SAW is designed specifically for transmitters used in remote control and wireless security applications. Absolute Maximum Ratings Rating Value Units CW RF Power Dissipation (See Test Circuit) 0 dBm DC Voltage Between Terminals (Observe ESD Precautions) 12 VDC Case Temperature -40 to +85 °C 260 °C Soldering Temperature (10 seconds / 5 cycles maximum) SM3838-6 Case 3.8 x 3.8 mm Electrical Characteristics Characteristic Frequency, +25 °C Sym Nominal Frequency Tolerance from 418.0 MHz Insertion Loss Quality Factor Temperature Stability Frequency Aging Notes fC IL 1.4 10400 Unloaded Q QU 50 Loaded Q QL Turnover Temperature TO Turnover Frequency fO fC Frequency Temperature Coefficient FTC 0.032 Absolute Value during the First Year |fA| Maximum Units 418.075 MHz ±75 kHz 2.0 dB 40 °C 1400 10 25 10 1.0 ppm/°C2 ppm/yr M Motional Resistance RM 16.7  Motional Inductance LM 64.8 µH Motional Capacitance CM 2.2 fF Transducer Static Capacitance CO 2.4 pF LTEST 60.1 nH Test Fixture Shunt Inductance Lid Symbolization Standard Reel Quantity Typical 417.925 fC DC Insulation Resistance between Any Two Terminals RF Equivalent RLC Model Minimum 717, YWWS Reel Size 7 Inch 500 Pieces/Reel Reel Size 13 Inch 3000 Pieces/Reel CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. NOTES: 1. The design, manufacturing process, and specifications of this device are subject to change. 2. US or International patents may apply. 3. RoHS compliant from the first date of manufacture. ©2010-2014 by RFM Integrated Device, Inc. RO3103D (R) 12/07/2021 Page 1 of 3 www.rfmi.co Electrical Connections Pin The SAW resonator is bidirectional and may be installed with either orientation. The two terminals are interchangeable and unnumbered. The callout NC indicates no internal connection. The NC pads assist with mechanical positioning and stability. External grounding of the NC pads is recommended to help reduce parasitic capacitance in the circuit. B NC 2 Terminal 3 NC 4 NC 5 NC 6 Terminal 7 NC 8 NC 6 1 From 50  Network Analyzer G C Parameter Test Circuit Connection 1 5 2 4 3 To 50  Network Analyzer Power Test Circuit H 6 1 6 717 YWWS A 2 5 E 1 5 2 4 3 50  Source at F C I P INCIDENT Low-Loss Matching Network to 50  P REFLECTED 1 6 2 3 5 4 4 3 D J Example Application Circuits Typical Low-Power Transmitter Application Modulation Input 200k  +9VDC C1 47 L1 (Antenna) 1 6 2 3 5 4 C2 ROXXXXC Bottom View RF Bypass 470 Typical Local Oscillator Application Output 200k  +VDC C1 +VDC L1 Case Dimensions A B C D E G H I J mm Nom 3.80 3.80 1.30 1.10 2.54 1.00 2.00 0.60 1.80 Min 3.60 3.60 1.10 0.95 2.39 0.90 1.90 0.50 1.70 Max 4.00 4.00 1.50 1.25 2.69 1.10 2.10 0.70 1.90 Min 0.142 0.142 0.043 0.037 0.094 0.035 0.748 0.020 0.067 Inches Nom 0.150 0.150 0.050 0.043 0.100 0.040 0.079 0.024 0.071 6 Max 0.157 0.157 0.060 0.049 0.106 0.043 0.083 0.028 0.075 Lm 4 RF Bypass The curve shown on the right accounts for resonator contribution only and does not include LC component temperature contributions. fC = f O , T C = T O 0 0 Co = Cp + 0.05 pF -50 -50 -100 -100 -150 -150 -200 -80 -60 -40 -20 *Case Parasitics -200 0 +20 +40 +60 +80 T = TC - T O ( °C ) Cm ©2010-2014 by RFM Integrated Device, Inc. RO3103D (R) 12/07/2021 5 Temperature Characteristics 0.05 pF* Rm 3 C2 Equivalent RLC Model Cp 2 ROXXXXC Bottom View (f-fo ) / fo (ppm) Dimension 1 Page 2 of 3 www.rfmi.co Recommended Reflow Profile 1. Preheating shall be fixed at 150~180ºC for 60~90 seconds. 2. Ascending time to preheating temperature 150ºC shall be 30 seconds min. 3. Heating shall be fixed at 220ºC for 50~80 seconds and at 260ºC +0/-5ºC peak (10 seconds). 4. Time: 5 times maximum. ©2010-2014 by RFM Integrated Device, Inc. RO3103D (R) 12/07/2021 Page 3 of 3 www.rfmi.co