RO3104D

• • • • • • • • RO3104D Ideal for 303.825 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 303.825 MHz SAW Resonator The RO3104D 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 303.825 MHz. This SAW is designed specifically for AM transmitters used in remote control and wireless security applications. Absolute Maximum Ratings Rating Value Units 0 dBm 12 VDC CW RF Power Dissipation (See Typical Test Circuit) DC Voltage Between Terminals (Observe ESD Precautions) Case Temperature -40 to +85 °C 260 °C Soldering Temperature (10 seconds / 5 cycles maximum) SM3838-6 Case 3.8 X 3.8 Electrical Characteristics Characteristic Frequency, +25 °C Sym fC Nominal Frequency Insertion Loss Temperature Stability Frequency Aging Maximum Units 303.900 MHz ±75 kHz 2.0 dB 40 °C 303.750 1.4 Unloaded Q QU 9500 50 Loaded Q QL Turnover Temperature TO Turnover Frequency fO fC Frequency Temperature Coefficient FTC 0.032 Absolute Value during the First Year |fA| 1400 10 25 10 1.0 ppm/°C2 ppm/yr M Motional Resistance RM 16.7  Motional Inductance LM 82.8 µH Motional Capacitance CM 3.3 fF Transducer Static Capacitance Test Fixture Shunt Inductance CO 3.4 pF LTEST 80.4 nH 689, YWWS Lid Symbolization Standard Reel Quantity Typical IL DC Insulation Resistance between Any Two Terminals RF Equivalent RLC Model Minimum fC Tolerance from 303.825 MHz Quality Factor Notes 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. RO3104D (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 1 689 YWWS A 2 1 From 50  Network Analyzer 5 E 5 2 4 3 1 5 2 4 3 50  Source at F C I P INCIDENT Low-Loss Matching Network to 50  P REFLECTED D To 50  Network Analyzer Power Test Circuit H 6 4 3 6 G C Parameter Test Circuit Connection 1 1 6 2 3 5 4 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 Dimension A B C D E G H I J 1 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 C2 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 -50 -50 -100 -100 -150 -150 (f-fo ) / fo (ppm) Co = Cp + 0.05 pF -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. RO3104D (R) 12/07/2021 5 Temperature Characteristics 0.05 pF* Rm 3 ROXXXXC Bottom View Equivalent RLC Model Cp 2 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. RO3104D (R) 12/07/2021 Page 3 of 3 www.rfmi.co