DATA SHEET SMV1247-SMV1255 Series: Hyperabrupt Junction Tuning Varactors Applications Low tuning voltage VCOs High-volume commercial systems Features High capacitance ratio: C0.3V/C4.7V = 12 typical Packages rated MSL1, 260 C per JEDEC J-STD-020 TM Skyworks Green products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks TM Denition of Green , document number SQ040074. Description The SMV1247-SMV1255 group of silicon hyperabrupt junction varactor diodes is designed for use in Voltage Controlled Oscillators (VCOs) with a low tuning voltage operation. This group of varactors is characterized for capacitance and resistance over temperature. Table 1 describes the various packages and markings of the SMV1247 to SMV1255 varactors. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 200061V Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice January 20, 2020 1 DATA SHEET SMV1247-SMV1255 VARACTORS Table 1. Packaging and Marking Single Single Single Common Cathode Single SC-79 SOD-323 SOD-882 Green Green SOT-23 SOT-23 Green SMV1247-079LF SMV1247-040LF Marking: Cathode and AH Marking: H SMV1248-079LF Marking: Cathode and CH SMV1249-079LF SMV1249-011LF SMV1249-040LF Marking: Cathode and EH Marking: EF Marking: K SMV1251-079LF SMV1251-040LF Marking: Cathode and FH Marking: EH1 SMV1253-040LF Marking: 3 SMV1253-079LF SMV1253-004LF Marking: Cathode and GH Green Marking: EJ3 SMV1255-040LF Marking: 4 SMV1255-079LF SMV1255-011LF SMV1255-001LF Marking: Cathode and HH Marking: EK Green Marking: EK1 LS = 0.7 nH LS = 1.5 nH LS = 1.5 nH LS = 1.5 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. Electrical and Mechanical Specifications Package and Handling Information The absolute maximum ratings of the SMV1247-SMV1255 group Instructions on the shipping container label regarding exposure to of varactors are provided in Table 2. Electrical specifications are moisture after the container seal is broken must be followed. provided in Table 3. Typical capacitance values are listed in Otherwise, problems related to moisture absorption may occur Table 4. Typical performance characteristics of the when the part is subjected to high temperature during solder SMV1247-SMV1255 varactors are illustrated in Figures 1 assembly. through 4. The SMV1247-SMV1255 group of varactors are rated to Moisture The SPICE model for the SMV1247-SMV1255 varactors is shown Sensitivity Level 1 (MSL1) at 260 C. They can be used for lead or in Figure 5, and the associated model parameters are provided in lead-free soldering. For additional information, refer to the Table 5. Skyworks Application Note, Solder Reflow Information, document number 200164. Package dimensions are shown in Figures 6 to 12 (even numbers), and tape and reel dimensions are provided in Figures 7 Care must be taken when attaching this product, whether it is to 13 (odd numbers). done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 January 20, 2020 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 200061W