SURFACE MOUNT, HIGH REPEATABILITY, BROADBAND TO-5 RELAYS DPDT SERIES DESIGNATION SERIES SRF300 SRF303 RELAY TYPE SRF300 Repeatable, RF TO-5 relay SRF303 Sensitive, repeatable, RF TO-5 relay DESCRIPTION INTERNAL CONSTRUCTION The ultraminiature SRF300 and SRF303 relays are designed to provide a practical surface-mount solution with improved RF UPPER STATIONARY CONTACT UNIFRAME signal repeatability over the frequency range. These relays are engineered for use in RF attenuator, RF switch matrices, ATE and MOVING CONTACT ARMATURE LOWER STATIONARY CONTACT other applications that require dependable high frequency signal fidelity and performance. The SRF300 and SRF303 feature: • High repeatability • Broader bandwidth • Metal enclosure for EMI shielding ENVIRONMENTAL AND PHYSICAL SPECIFICATIONS Temperature (Ambient) • High isolation between control and signal paths Storage –65°C to +125°C Operating –55°C to +85°C Vibration (General Note 1) 10 g’s to 500 Hz Shock (General Note 1) 30 g’s, 6ms half sine Enclosure Hermetically sealed Weight extremes and overall high reliability: 0.09 oz. (2.55g) max. SRF303 0.16 oz. (4.5g) max. Teledyne Part Numbering System for SMT Relays • Uniframe motor design provides high magnetic efficiency and mechanical rigidity • Minimum mass components and welded construction provide maximum resistance to shock and vibration • Advanced cleaning techniques provide maximum assurance SRF300 - 5 / R R = RoHS Compliant * Surface Mount Relays are Solder-Coated by default (Notes 6 & 7) Coil Voltage © 2009 TELEDYNE RELAYS The following unique construction features and manufacturing techniques provide excellent robustness to environmental SRF300 Relay Series • High resistance to ESD of internal cleanliness • Hermetically sealed • Solder Dipped Leads, (RoHS compliant solder option available) (800) 284-7007 • www.teledynerelays.com SRF300/SRF303 Page 1 SRF300SRF303\062009\Q2 SERIES SRF300 AND 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 P-P Isolatlon(dB) Isolation(dB) -20 -30 P1NC P1NO -40 -30 De-Energized Energized -40 -50 -50 -60 -70 -60 0 1 2 3 4 5 0 6 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 VSWR Insertion Loss(dB) 3.5 -4 -6 P1NC P1NO 2.5 P1NC P1NO -8 2 -10 1.5 -12 0 1 2 3 4 5 1 6 0 Frequency(GHz) 1 2 3 4 5 6 Frequency(GHz) SRF300/SRF303 Time Response (RF Note 6) 1.1 0.9 90% Volt 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 a. Fixture: .031" copper clad, reinforced PTFE, RT/duroid® 6002 with SMA connectors. (RT/duroid® is a registered trademark of Rogers Corporation.) b. Room ambient temperature. c. Terminals not tested were terminated with 50-ohm load. d. Contact signal level: –10 dBm. fe No. of test samples: 4. Data presented herein represents typical characteristics and is not intended for use as specification limits. Data is per pole, except for pole-to-pole data. Data is the average from readings taken on all open contacts. Data is the average from readings taken on poles with coil energized and de-energized. Data is the average from readings taken on all closed contacts. Test fixture effect de-embedded from frequency and time response data. 1. Test conditions: 2. 3. 4. 5. 6. 7. SRF300/SRF303 Page 2 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE © 2009 TELEDYNE RELAYS SRF300SRF303\062009\Q2 SERIES SRF300 AND SRF303 GENERAL ELECTRICAL SPECIFICATIONS (@25°C unless otherwise noted) (Notes 2 & 3) Contact Arrangement 2 Form C (DPDT) Rated Duty Continuous Contact Resistance 0.15 Ω max. Contact Load Rating Resistive: 1Amp/28Vdc Low level: 10 to 50 μA @ 10 to 50 mV Contact Life Ratings 10,000,000 cycles (typical) at low level Coil Operating Power SRF300-5: 500 mW typical @ nominal rated voltage SRF300-12: 370 mW typical @ nominal rated voltage SRF303-5: 250 mW typical @ nominal rated voltage SRF303-12: 169 mW typical @ nominal rated voltage Operate Time SRF300: 4.0 mS max. SRF303: 6.0 mS max. Release Time SRF300: 3.0 mS max. SRF303: 3.0 mS max. Intercontact Capacitance 0.4 pf typical Insulation Resistance 1,000 MΩ min. between mutually isolated terminals Dielectric Strength 350 Vrms (60 Hz) @ atmospheric pressure DETAILED ELECTRICAL SPECIFICATIONS (@25°C) BASE PART NUMBERS Coil Voltage, Nominal (Vdc) Coil Resistance (Ohms ±20%) GENERAL NOTES SRF300-12/SRF303-12 5.0 12.0 SRF300 50 390 SRF303 100 850 3.6 9.0 Pick-up Voltage (Vdc max.) 1. Relays will exhibit no contact chatter in excess of 10 μsec or transfer in excess of 1 μsec. 2. Unless otherwise specified, parameters are initial values. 3. Relays may be subjected to 260°C, peak solder reflow temperature, three 1 minute passes. 4. Butt-lead ends are coplanar within .003" (0.08). 5. Application notes available for PCB layout and mounting information. 6. Terminals coated with SN60 or SN63 solder. 7. Add "/R" to end of part number for RoHS compliant solder coated pins (Sn99.3/Cu0.7). SRF300-5/SRF303-5 OUTLINE DIMENSIONS Z Ground Pin Y Ground Pin NOTES: 1. DIMENSIONS ARE IN INCHES, METRIC EQUIVALENTS SHOWN IN [ ]. 2. FOR BEST RF PERFORMANCE, SOLDER ENDS OF RF GROUND PINS TO PCB RF GROUND PLANE. 3. POSTITIONS 5 AND 10 ARE FOR UNINSULATED CASE GROUND OPTIONS. 4. DRAWING SHOWS: SRF300YZ © 2009 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com SRF300/SRF303 Page 3 SRF300SRF303\062009\Q2