Hyperabrupt Junction Tuning Varactor SMV1265-011 Features ■ High Tuning Ratio ■ Low Series Resistance ■ SOD-323 Package ■ Designed for High Volume, Low Cost Applications ■ Available in Tape and Reel Packaging Description The SMV1265-011 is a surface mount varactor diode in the SOD-323 package. It is designed for very high capacitance tuning ratio while having low series resistance, which makes this device especially attractive for wide band VCO applications. Absolute Maximum Ratings Characteristic Value Forward Current (IF) 20 mA Power Dissipation (PD) 250 mW Storage Temperature (TST) -55°C to +150°C Operating Temperature (TOP) -55°C to +125°C Electrical Specifications at 25°C Parameter Condition Min. Typ. Max. Unit 20.00 nA Reverse Current (IR) Capacitance (CT) VR = 26 V CT @ 1 V, VR = 1 V, F = 1 MHz 12.50 13.8 14.70 pF Capacitance (CT) CT @ 26 V, VR = 26 V, F = 1 MHz 0.58 0.7 0.83 pF Capacitance Ratio (CTR) CT (1 V)/CT (26 V) 17.70 19.5 Series Resistance (RS) VR = 1 V, F = 470 MHz Breakdown Voltage (VBR) IR = 10 µA 2.4 28.00 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 6/99A Ω V 1 Hyperabrupt Junction Tuning Varactor SMV1265-011 Capacitance vs. Voltage Typical Performance Data VR (V) CT (pF) 0.0 22.47 0.5 17.41 1.0 14.26 2.0 10.23 3.0 7.40 4.0 5.15 5.0 3.38 6.0 2.37 7.0 1.86 8.0 1.61 Voltage (V) 9.0 1.45 Capacitance vs. Voltage 10.0 1.30 12.0 1.12 14.0 1.05 16.0 0.97 18.0 0.91 20.0 0.83 22.0 0.78 24.0 0.75 26.0 0.73 28.0 0.73 30.0 0.71 Capacitance (pF) 100.0 10.0 1.0 1 0 5 10 15 20 25 30 SOD-323 0.090 (2.30 mm) MIN. 0.108 (2.74 mm) MAX. 0.045 (1.15 mm) MIN. 0.053 (1.35 mm) MAX. 1 0.010 (0.25 mm) MIN. 0.016 (0.40 mm) MAX. 2 CATHODE INDICATOR 0.063 (1.60 mm) MIN. 0.071 (1.80 mm) MAX. 0.008 (0.20 mm) NOM. 0.006 (0.15 mm) TYP. 0.050 (1.25 mm) MAX. SPICE Model 0.004 (0.10 mm) MAX. PORT P_anode port = 1 0.010 (0.25 mm) MIN. IND LS L = LS RES RS R = RS CAP CP C = CP DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear PORT P_Cathode port = 2 2 DIODEM Diode_Model IS = 1.00e-14 RS = 0 N=1 TT = 0 CJO = CJO M=M EG = 1.11 XTI = 3 KF =0 AF =1 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 Part Number CJO (pF) VJ (V) M CP (pF) RS Ω) (Ω LS (nH) SMV1265-011 22.5 30 13 0.71 2.4 1.7 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 6/99A