RO3112D

• • • • • • • Ideal for European 433.420 MHz Remote Control and Security Transmitters Very Low Series Resistance Quartz Stability Complies with Directive 2002/95/EC (RoHS) Tape and Reel Standard per ANSI/EIA-481 Moisture Sensitivity Level: 1 AEC-Q200 Qualified RO3112D RoHS Compliant 433.420 MHz SAW Resonator The RO3112D 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 433.420 MHz. This SAW is designed specifically for remote control and wireless security transmitters operating in Europe under ETSI I-ETS 300 220. Absolute Maximum Ratings Rating Value Units Input Power Level 0 dBm DC Voltage 12 VDC Storage 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 Center Frequency, +25 °C Sym fC Absolute Frequency Tolerance from 433.420 MHz Temperature Stability Frequency Aging Typical Maximum Units 433.495 MHz ±75 kHz 2.5 dB 40 °C 433.345 IL 1.2 Unloaded Q QU 8400 50 Loaded Q QL 1000 Turnover Temperature TO Turnover Frequency fO fC Frequency Temperature Coefficient FTC 0.032 Absolute Value during the First Year |fA| 10 DC Insulation Resistance between Any Two Terminals RF Equivalent RLC Model Minimum fC Insertion Loss Quality Factor Notes 10 25 1.0 ppm/°C2 ppm/yr M Motional Resistance RM 13.7  Motional Inductance LM 42.2 µH Motional Capacitance CM 3.2 fF Shunt Static Capacitance CO 3.7 pF 36.2 nH LTEST Test Fixture Shunt Inductance Lid Symbolization (in addition to Lot and/or Date Codes) Standard Reel Quantity 683, 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. RO3112D (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 1 683 YWWS A 2 6 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. Co = Cp + 0.05 pF fC = f O , T C = T O 0 0 -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. RO3112D (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. RO3112D (R) 12/07/2021 Page 3 of 3 www.rfmi.co