Series SRF300/SRF303 DPDT Non-Latching Electromechanical Relay Signal Integrity up to 18Gbps SURFACE MOUNT HIGH REPEATABILITY, BROADBAND TO-5 RELAYS DPDT SERIES RELAY TYPE SRF300 Repeatable, RF relay SRF303 Sensitive, repeatable, RF relay DESCRIPTION extremes and overall high reliability: Uniframe motor design provides high magnetic efficiency The ultraminiature SRF300 and SRF303 relays are designed and mechanical rigidity to provide a practical surface-mount solution with improved RF Minimum mass components and welded construction signal repeatability over the frequency range. These relays are provide maximum resistance to shock and vibration engineered for use in RF attenuator, RF switch matrices, ATE Advanced cleaning techniques provide maximum and other applications that require dependable high frequency assurance of internal cleanliness signal fidelity and performance. Hermetically sealed Solder Dipped Leads, (RoHS compliant solder option The SRF300 and SRF303 feature: available) High repeatability Broader bandwidth Metal enclosure for EMI shielding High isolation between control and signal paths High resistance to ESD The following unique construction features and manufacturing techniques provide excellent robustness to environmental ENVIRONMENTAL AND INTERNAL CONSTRUCTION PHYSICAL SPECIFICATIONS Storage 65C to +125C Temperature (Ambient) Operating 55C to +85C Vibration 10 gs to 500 Hz (General Note I) Shock 30 gs, (General Note I) 6ms half sine Enclosure Hermetically sealed SRF300 0.09 oz. (2.55g) max. Weight SRF303 0.16 oz. (4.5g) max. 2019 TELEDYNE RELAYS (800) 284-7007 www.teledynerelays.com SRF300/SRF303 Page 1 SRF300SRF303 112019 Q4Series SRF300/SRF303 DPDT Non-Latching Electromechanical Relay Signal Integrity up to 18Gbps SERIES SRF300/SRF303 TYPICAL RF CHARACTERISTICS (See RF Notes) SRF300YZ Isolation Across Contacts (RF Note 4) SRF300YZ Pole-Pole Isolation (RF Note 5) 0 0 -10 -10 -20 -20 -30 -30 De-Energized -40 Energized -40 P1NC P1NO -50 -50 -60 -60 -70 0 1 2 3 4 5 6 0 1 2 3 4 5 6 Frequency(GHz) Frequency(GHz) SRF300YZ Insertion Loss (RF Note 6) SRF300YZ VSWR (RF Note 6) 4.5 0 4 -2 3.5 -4 3 -6 2.5 P1NC P1NO P1NC -8 P1NO 2 -10 1.5 -12 1 0 1 2 3 4 5 6 0 1 2 3 4 5 6 Frequency(GHz) Frequency(GHz) RF NOTES 1. Test conditions: a. Fixture: .031 copper clad, reinforced PTFE, RT/duroid 6002 with SMA connectors. (RT/duroid is a registered trademark of Rogers Corporation.) b. RF ground shield is soldered to PCB RF ground plane. c. Room ambient temperature. d. Terminals not tested were terminated with 50-ohm load. e. Contact signal level: 10 dBm. f. No. of test samples: 2. 2. Data presented herein represents typical characteristics and is not intended for use as specification limits. 3. Data is per pole, except for pole-to-pole data. 4. Data is the average from readings taken on all open contacts. 5. Data is the average from readings taken on poles with coil energized and de-energized. 6. Data is the average from readings taken on all closed contacts. 7. Test fixture effect de-embedded from frequency and time response data. SRF300/SRF303 Page 2 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE 2019 TELEDYNE RELAYS SRF300SRF303 112019 Q4 Isolation(dB) Insertion Loss(dB) P-P Isolatlon(dB) VSWR