RO3103A

AEC-Q200 This component was always RoHS compliant from the first date of manufacture. • • • • • • RO3103A Ideal for 418.0 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 RoHS 418.0 MHz SAW Resonator Compliant The RO3103A 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 MHz. Absolute Maximum Ratings Rating Value CW RF Power Dissipation +0 dBm DC Voltage on any Non-ground Terminal ±30 VDC -40 to +125 °C 260 °C Case Temperature Soldering Temperature, 10 seconds / 5 cycles maximum SM5035-4 Units Electrical Characteristics Characteristic Center Frequency, +25 °C Sym Absolute Frequency Tolerance from 418.00 MHz Insertion Loss Quality Factor Temperature Stability Unloaded Q Minimum Typical 417.925 IL 1.5 QU 12100 QL Turnover Temperature TO Maximum Units 418.075 MHz ±75 kHz 2.0 dB 40 °C 1550 10 25 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 Notes fC 50 Loaded Q Turnover Frequency Frequency Aging fC 1.0 ppm/°C2 ppm/yr M Motional Resistance RM 15  Motional Inductance LM 67.5 µH Motional Capacitance CM 2.3 fF Shunt Static Capacitance CO 2.3 pF 63 nH Test Fixture Shunt Inductance LTEST Lid Symbolization (in addition to Lot and/or Date Codes) 659, YYWWS 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. © 2014 by RFM Integrated Device, Inc. RO3103A (R) 06/14/2021 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. Case Ground Case Ground ELECTRICAL TEST 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 -100 -100 -150 -150 (f-fo) / fo (ppm) -50 -200 -80 -60 -40 -20 -200 0 +20 +40 +60 +80 T = T C - T O ( °C ) To 50  Network Analyzer 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 Low-Loss Matching Network to 50  2 Terminal G 1 ) NC NC D Terminal P INCIDENT - P REFLECTED CW RF Power Dissipation = I Typical Application Circuits I H Typical Low-Power Transmitter Application H J H +9VDC Modulation Input Cm Case From 50  Network Analyzer 50  Source P at F C REFLECTED Lm Rm *Case Parasitics Temperature Characteristics The test circuit inductor, LTEST, is tuned to resonate with the static capacitance, CO, at FC. INCIDENT Co = Cp + 0.05 pF Cp Terminal Typical Test Circuit P 0.05 pF* Terminal 200k  K C1 47 L1 (Antenna) L C2 RO3XXXA Bottom View RF Bypass 470 Typical Local Oscillator Applications Output +VDC C1 Dimensions A B C D E F G +VDC L1 C2 RO3XXXA Bottom View © 2014 by RFM Integrated Device, Inc. RO3103A (R) 06/14/2021 RF Bypass Page 2 of 3 Min 4.87 3.37 1.45 1.35 0.67 0.37 1.07 Millimeters Nom 5.00 3.50 1.53 1.43 0.80 0.50 1.20 Max 5.13 3.63 1.60 1.50 0.93 0.63 1.33 Min 0.191 0.132 0.057 0.040 0.026 0.014 0.042 Inches Nom 0.196 0.137 0.060 0.057 0.031 0.019 0.047 Max 0.201 0.142 0.062 0.059 0.036 0.024 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. © 2014 by RFM Integrated Device, Inc. RO3103A (R) 06/14/2021 Page 3 of 3 www.rfmi.co