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| Hyperabrupt Junction Tuning Varactor SMV1283-011 Features s High Tuning Ratio s SOD-323 Package s Designed for High Volume, Low Cost Applications s Available in Tape and Reel Packaging Description The SMV1283-011 is a surface mount varactor diode in the SOD-323 plastic package. It is designed for very high capacitance tuning ratio while having low series resistance, which makes this device especially attractive for wideband VCO applications. Absolute Maximum Ratings Characteristic Forward Current (IF) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP) Value 20 mA 250 mW -55C to +150C -55C to +125C Electrical Specifications at 25C Parameter Reverse Current (IR) Capacitance (CT) Capacitance (CT) Capacitance Ratio (CTR) Series Resistance (RS) Breakdown Voltage (VBR) VR = 26 V CT @ 1 V, VR = 1 V, F = 1 MHz CT @ 26 V, VR = 26 V, F = 1 MHz CT (1 V)/CT (26 V) VR = 1 V, F = 500 MHz IR = 10 A 28.0 8.5 0.5 9.10 0.62 14.70 2.40 V Condition Min. Typ. Max. 20.00 9.70 0.75 Unit nA pF pF Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 6/99A 1 Hyperabrupt Junction Tuning Varactor SMV1283-011 Typical Performance Data 100.0 Capacitance vs. Voltage VR (V) 0 1 CT (pF) 18.8820 8.7000 6.1400 4.3300 2.9500 2.0400 1.5680 1.3250 1.1880 1.0870 1.0123 0.9040 0.8295 0.7720 0.7280 0.6880 0.6580 0.6230 0.6160 0.6060 0.6040 Capacitance (pF) 10.0 2 3 4 1.0 5 6 7 0.1 0 5 10 15 20 25 30 8 9 10 12 14 Varactor Voltage (V) Capacitance vs. Voltage SOD-323 0.090 (2.30 mm) MIN. 0.108 (2.74 mm) MAX. 0.010 (0.25 mm) MIN. 0.016 (0.40 mm) MAX. 0.063 (1.60 mm) MIN. 0.071 (1.80 mm) MAX. 16 18 20 22 24 26 28 CATHODE INDICATOR 0.045 (1.15 mm) MIN. 0.053 (1.35 mm) MAX. 1 2 30 0.008 (0.20 mm) NOM. 0.006 (0.15 mm) TYP. 0.050 (1.25 mm) MAX. SPICE Model PORT P_anode port = 1 IND LS L = LS 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 0.004 (0.10 mm) MAX. 0.010 (0.25 mm) MIN. RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear CAP CP C = CP PORT P_Cathode port = 2 Part Number SMV1283-011 CJ0 (pF) 19 VJ (V) 3 M 2.6 CP (pF) 0.58 RS () 2.4 LS (nH) 1.7 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 6/99A |
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