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 SRF300D Repeatable, RF relay with internal diode for coil transient suppression Repeatable, RF relay with internal diodes for coil transient suppression and polarity reversal SRF300DD protection SRF303 Sensitive, repeatable, RF relay SRF303D Sensitive, repeatable, RF relay with internal diode for coil transient suppression Sensitive, repeatable, RF relay with internal diodes for coil transient suppression and polarity SRF303DD reversal protection 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 The Series SRF300D/SRF303D and SRF300DD/SRF303DD Metal enclosure for EMI shielding relays have internal discrete silicon diodes for coil suppression High isolation between control and signal paths and polarity reversal protection. This hybrid package reduces High resistance to ESD required PC board floor space byreducing the number of The following unique construction features and manufacturing external components needed to drive the relay. techniques provide excellent robustness to environmental ENVIRONMENTAL AND INTERNAL CONSTRUCTION PHYSICAL SPECIFICATIONS Storage 65C to +125C Temperature (Ambient) Operating 55C to +85C UPPER UNIFRAME STATIONARY Vibration CONTACT 10 gs to 500 Hz (General Note I) MOVING CONTACT Shock 30 gs, ARMATURE LOWER (General Note I) 6ms half sine STATIONARY CONTACT Enclosure Hermetically sealed SRF300 0.09 oz. (2.55g) max. Weight SRF303 0.16 oz. (4.5g) max. 2010 TELEDYNE RELAYS (800) 284-7007 www.teledynerelays.com SRF300/SRF303 Page 1 SRF300SRF303 102012 Q3Series 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 0123456 0123456 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 0123456 0123456 Frequency(GHz) Frequency(GHz) SRF300/SRF303 Time Response (RF Note 6) 1.1 0.9 90% 0.7 37ps reference 0.5 62.3ps propagation delay time 0.3 51.3ps pulse rise time 10% 0.1 -0.1 -100 0 100 200 300 400 500 600 700 800 900 Time (ps) 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 2010 TELEDYNE RELAYS SRF300SRF303 102012 Q3 Insertion Loss(dB) Isolation(dB) Volt P-P Isolatlon(dB) VSWR