DATA SHEET SMVA1253-079LF: Hyperabrupt Junction Tuning Varactor Automotive Applications Low tuning voltage VCOs Infotainment Navigation Telematics Garage door openers Wireless control systems Features AEC-Q101 qualified ISO/TS16949 certified facility Description High capacitance ratio: C0.3V/C4.7V = 12 typical The SMVA1253-079LF silicon hyperabrupt junction varactor diode is designed for use in voltage controlled oscillators (VCOs) with a low tuning voltage operation and is ideal for in-vehicle infotainment applications. This varactor is characterized for capacitance and resistance over temperature. Packages rated MSL1, 260 °C per JEDEC J-STD-020 Skyworks GreenTM products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of GreenTM, document number SQ04–0074. Table 1 describes the SMVA1253-079LF package and marking. Table 1. Packageand Marking Single SC-79 Green™ SMVA1253-079LF Marking: Cathode and GH LS = 0.7 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 • [email protected] • www.skyworksinc.com 203205B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 7, 2015 1 DATA SHEET • SMVA1253-079LF: HYPERABRUPT JUNCTION TUNING VARACTOR Electrical and Mechanical Specifications The absolute maximum ratings of the SMVA1253-079LF varactor are provided in Table 2. Electrical specifications are provided in Table 3. Typical capacitance values are listed in Table 4. Typical performance characteristics of the SMVA1253-079LF varactor are illustrated in Figures 1 and 2. The SPICE model for the SMVA1253-079LF varactor is shown in Figure 3, and the associated model parameters are provided in Table 5. Table 2. SMVA1253-079LF Absolute Maximum Ratings (Note 1) Parameter Symbol Minimum Maximum Units 15 V Reverse voltage VR Forward current IF 20 mA Power dissipation PDIS 250 mW Operating temperature TOP –55 +125 C Storage temperature TSTG –55 +150 C Electrostatic discharge: ESD 1000 500 <50 V V V Charged Device Model (CDM), Class 3 Human Body Model (HBM), Class 1A Machine Model (MM), Class A 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. SMVA1253-079LF Electrical Specifications (Note 1) (TOP = 25 C, Unless Otherwise Noted) CT @ 0.3 V (pF) CT @ 4.7 V (pF) CT @1V (pF) CT @3V (pF) CT @ 0.3 V CT @ 4.7 V (Ratio) CT @ 1 V CT @ 3 V (Ratio) RS @ 3 V, 500 MHz (Ω) Q @ 3 V, 50 MHz Min. Typical Typical Max. Typical Typical Min. Typical Typical Max. Typical 48.0 53 4.3 4.80 37.0 7.80 11.0 12.3 4.7 1.4 350 Note 1: Performance is guaranteed only under the conditions listed in this table. Reverse voltage VR (IR = 10 μA) = 15 V minimum Reverse current IR (VR = 12 V) = 20 nA maximum Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 August 7, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203205B DATA SHEET • SMVA1253-079LF: HYPERABRUPT JUNCTION TUNING VARACTOR Table 4. Capacitance vs Reverse Voltage VR (V) CT (pF) 0 69.32 0.5 50.23 1.0 37.07 1.5 27.57 2.0 19.37 2.5 12.39 3.0 7.77 3.5 5.77 4.0 4.86 4.5 4.34 5.0 4.01 5.5 3.78 6.0 3.62 6.5 3.50 7.0 3.41 7.5 3.34 8.0 3.28 Typical Performance Characteristics +15 +2 +10 VR = 1 V Percentage Change (%) Percentage Change (%) +3 +1 0 –1 –2 VR = 4 V +5 0 –5 –10 –15 –20 –25 –3 –40 –20 0 +20 +40 +60 +80 Temperature (°C) Figure 1. Relative Capacitance Change vs Temperature –50 –25 0 +25 +50 +75 +100 Temperature (°C) Figure 2. Relative Series Resistance Change vs Temperature @ 500 MHz Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203205B • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • August 7, 2015 3 DATA SHEET • SMVA1253-079LF: HYPERABRUPT JUNCTION TUNING VARACTOR PORT P_anode port = 1 IND LS L = LS RES RS R = RS CAP CP C = CP DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear DIODEM Diode_Model IS = 1.00e-14 RS = 0 N=1 TT = 0 CJO = CJO M=M VJ = VJ EG = 1.11 XTI = 3 KF =0 AF =1 PORT P_Cathode port = 2 FC = 0.5 BV = 0 IBV = 1e-3 ISR = 0 NR = 2 IKF = 0 NBV = 1 IBVL = 0 NBVL = 1 TBV1 = 0 TNOM = 27 FFE = 1 S1672 Figure 3. SPICE Model Table 5. SPICE Model Parameters CJO (pF) VJ (V) M CP (pF) RS (Ω) 68.30 100 71 2.00 1.1 Package and Handling Information Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. The SMVA1253-079LF varactor is rated to Moisture Sensitivity Level 1 (MSL1) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number 200164. 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. Package dimensions are shown in Figure 4, and tape and reel dimensions are provided in Figure 5. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 August 7, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203205B DATA SHEET • SMVA1253-079LF: HYPERABRUPT JUNCTION TUNING VARACTOR Box or Bar Polarity Indicator Area 0.006 (0.15 mm) Min. 0.010 (0.25 mm) Min. 0.014 (0.35 mm) Max. 1 2 0.028 (0.70 mm) Min. 0.035 (0.90 mm) Max. 0.060 (1.50 mm) Min. 0.067 (1.70 mm) Max. 0.043 (1.10 mm) Min. 0.051 (1.30 mm) Max. 10° Max. 0.020 (0.50 mm) Min. 0.028 (0.70 mm) Max. 0.003 (0.07 mm) Min. 0.008 (0.20 mm) Max. 10° Max. Dimensions are in inches (millimeters shown in parentheses) S1652 Figure 4. SC-79 Package Dimensions Ø1.50± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.05 0.229 ± 0.02 (T) 1.75 ± 0.10 B A B Pin 1 Indicator 0.80 ± 0.05 (Ko) B 8.00 ± 0.20 A 3.50 ± 0.05 1.40 ± 0.05 1.95 ± 0.05 (Bo) 2° Max Ø0.50± 0.05 0.39 ± 0.05 2o Max 0.90 ± 0.05 (Ao) A Notes: 1. Carrier tape: black conductive polycarbonate or polystyrene. 2. Cover tape material: transparent conductive PSA. 3. Cover tape size: 5.4 mm width. 4. ESD-surface resistivity is ≤1 x 108 Ohms/square per EIA, JEDEC TNR Specification. 4. All measurements are in millimeters. S2929 Figure 5. SC-79 Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203205B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 7, 2015 5 DATA SHEET • SMVA1253-079LF: HYPERABRUPT JUNCTION TUNING VARACTOR Copyright © 2014-2015 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. 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