RO3101A-1

• • • • • • • • Ideal for European 433.92 MHz 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 RO3101A-1 RoHS Compliant 433.92 MHz SAW Resonator The RO3101A-1 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 433.92 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 CW RF Power Dissipation (See: Typical Test Circuit) +0 dBm DC Voltage Between Terminals (Observe ESD Precautions) ±30 VDC -40 to +85 °C 260 °C Case Temperature Soldering Temperature (10 seconds / 5 cycles maximum) Electrical Characteristics Characteristic Center Frequency, +25 °C Sym Absolute Frequency Temperature Stability Frequency Aging Minimum Typical 433.870 fC IL 1.5 Unloaded Q QU 9000 50 Loaded Q QL Turnover Temperature TO Turnover Frequency fO fC Frequency Temperature Coefficient FTC 0.032 Absolute Value during the First Year |fA| DC Insulation Resistance between Any Two Terminals RF Equivalent RLC Model Notes Tolerance from 433.920 MHz Insertion Loss Quality Factor fC SM5035-4 Units Maximum Units 433.970 MHz ±50 kHz 2.2 dB 40 °C 1458 10 25 10 1.0 ppm/°C2 ppm/yr M Motional Resistance RM 19.4  Motional Inductance LM 63.8 µH Motional Capacitance CM 2.11 fF Shunt Static Capacitance CO 2.4 pF 55.1 nH Test Fixture Shunt Inductance LTEST 745, YYWWS Lid Symbolization (in addition to Lot and/or Date Codes) 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. ©2010-2014 by RFM Integrated Device, Inc. RO3101A-1 (R) 12/07/2021 Page 1 of 3 www.rfmi.co Electrical Connections Equivalent Model 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. 0.05 pF* Case Ground Case Ground Terminal Co = Cp + 0.05 pF Cp Terminal Lm Rm *Case Parasitics Cm Temperature Characteristics The test circuit inductor, LTEST, is tuned to resonate with the static capacitance, CO, at FC. ELECTRICAL TEST fC = f O , T C = T O To 50  Network Analyzer -50 -50 -100 -100 -150 -150 -200 -80 -60 -40 -20 Case From 50  Network Analyzer 0 0 (f-fo ) / fo (ppm) Typical Test Circuit The curve shown on the right accounts for resonator contribution only and does not include LC component temperature contributions. -200 0 +20 +40 +60 +80 T = T C - T O ( °C ) T o p V ie w S id e V ie w B C B o tto m V ie w E ) ) 1 A POWER TEST P INCIDENT 50  Source P at F C REFLECTED CW RF Power Dissipation = Low-Loss Matching Network to 50  2 Terminal 1 ) D Terminal P INCIDENT - P REFLECTED I Typical Application Circuits I H Typical Low-Power Transmitter Application H J H +9VDC Modulation Input G NC NC 200k  K C1 47 L1 (Antenna) L C2 RF Bypass RO3XXXA Bottom View 470 Typical Local Oscillator Applications Output Dimensions +VDC C1 +VDC A L1 C2 RO3XXXA Bottom View ©2010-2014 by RFM Integrated Device, Inc. RO3101A-1 (R) 12/07/2021 RF Bypass Page 2 of 3 Millimeters Inches Min Nom Max Min Nom Max 4.87 5.00 5.13 0.191 0.196 0.201 B 3.37 3.50 3.63 0.132 0.137 0.142 C 1.45 1.53 1.60 0.057 0.060 0.062 D 1.35 1.43 1.50 0.040 0.057 0.059 E 0.67 0.80 0.93 0.026 0.031 0.036 F 0.37 0.50 0.63 0.014 0.019 0.024 G 1.07 1.20 1.33 0.042 0.047 0.052 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. RO3101A-1 (R) 12/07/2021 Page 3 of 3 www.rfmi.co