DATA SHEET SMV1771 Series: Hyperabrupt Junction Tuning Varactors Applications Low-noise and wideband UHF and VHF VCOs High-volume, low-cost battery-powered tuning circuits Features Low series resistance High capacitance ratio SC-79 and ultra-small SOD-882 packages (MSL1, 260 C per JEDEC J-STD-020) Skyworks Green products are compliant with Description all applicable legislation and are halogen-free. The SMV1771 series are silicon hyperabrupt junction varactor For additional information, refer to Skyworks diodes specifically designed for battery operation. The specified Denition of Green, document number high capacitance ratio and low series resistance make these SQ04-0074. varactors appropriate for low phase noise Voltage-Controlled Oscillators (VCOs) used at frequencies in wireless systems up to and above 2.5 GHz. Table 1 describes the package and marking of the SMV1771 varactor series. Table 1. Packaging and Marking Single Single SC-79 SOD-882 Green Green SMV1771-079LF SMV1771-040LF Marking: Cathode Marking: EL1 LS = 0.7 nH LS = 0.45 nH The Pb-free symbol or LF in the part number denotes a lead-free, RoHS- compliant package unless otherwise noted as Green. Tin/lead (Sn/Pb) packaging is not recommended for new designs. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 200073I Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice October 8, 2014 1 DATA SHEET SMV1771 SERIES VARACTORS Electrical and Mechanical Specifications Package and Handling Information The absolute maximum ratings of the SMV1771 varactor series Instructions on the shipping container label regarding exposure to are provided in Table 2. Electrical specifications are provided in moisture after the container seal is broken must be followed. Table 3. Typical capacitance values are listed in Table 4. The Otherwise, problems related to moisture absorption may occur relationship between capacitance and reverse voltage is when the part is subjected to high temperature during solder illustrated in Figure 1. assembly. The SPICE model for the SMV1771 varactor series is shown in The SMV1771 varactor series are rated to Moisture Sensitivity Figure 2 and the associated model parameters are provided in Level 1 (MSL1) at 260 C. They can be used for lead or lead-free Table 5. soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number Package dimensions are shown in Figures 3 and 5, and tape and 200164. reel dimensions are provided in Figures 4 and 6. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Table 2. SMV1771 Series Absolute Maximum Ratings (Note 1) Parameter Symbol Minimum Typical Maximum Units Reverse voltage VR 12 V Forward current IF 20 mA Power dissipation PDIS 250 mW Operating temperature TOP 55 +125 C Storage temperature TSTG 55 +150 C Note 1: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. CAUTION: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. Table 3. SMV1771 Series Electrical Specifications (Note 1) (TOP = 25 C, Unless Otherwise Noted) Parameter Symbol Test Condition Min Typical Max Units Reverse current IR VR = 8 V 20 nA Capacitance CT F = 1 MHz VR = 1.0 V 22.0 24.0 pF VR = 2.5 V 9.5 12.5 pF Capacitance ratio CTR CT 0.5 V/CT 2.5 V 2.3 2.7 Series resistance RS F = 470 MHz, VR = 1 V 0.4 0.5 Breakdown voltage VBR IR = 10 A 12 V Note 1: Performance is guaranteed only under the conditions listed in this table. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 October 8, 2014 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 200073I