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| High Tuning Ratio Silicon Hyperabrupt Varactor Diode Features * * * * Lower Series Resistance < 0.7 Higher Capacitance Ratio > 3.5:1 Higher Tuning Voltage < 18 V Tape and Reel Surface Mount Packaging MA4ST1103-1141T V1 SOD-323 Plastic Package Description and Applications M/A-COM's MA4ST1103-1141T is a highly repeatable, ion-implanted, hyperabrupt silicon tuning varactor in a cost effective surface mount package. This varactor is designed for a higher capacitance ratio, a higher tuning voltage, with a respectable Q value for wider band VCO applications. Ordering Information Part Number MA4ST1103-1141T Configuration Single Package SOD-323 Absolute Maximum Ratings @ TA = +25 C (Unless Otherwise Noted) 1 Parameter Reverse Voltage Forward Current Power Dissipation Operating Temperature Storage Temperature Absolute Maximum 22 V 20 mA 250 mW -55 C to +125 C -55 C to +125 C Technical Parasitic Information Package Type Package Cp ( pF ) 0.11 Package Ls ( nH ) 1.2 SOD-323 1. Operation of this device above any one of these parameters 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. High Tuning Ratio Silicon Hyperabrupt Varactor Diode Electrical Specifications @ T A = +25 C Parameter Reverse Current (IR) Capacitance (CT) Capacitance (CTR) Capacitance Ratio (CTR) Series Resistance (Rs) Breakdown Voltage (VB) Condition Vr = 18 Volts Vr = 1 V, 1 MHz CT (1 V)/CT (3 V) CT (1 V)/CT (9 V) Vr = 1 V, 500 MHz IR = 10 uA 22 20.9 1.3 3.5 0.65 23.3 Min Typ Max 20 25.7 1.6 4.5 0.85 MA4ST1103-1141T V1 Unit nA pF V Typical Performance Curves Series Resistance vs. Reverse Voltage @ 500 MHz 1.00 0.90 Total Capacitance (pF) Series Resistance (Ohms) 0 5 10 Reverse Voltage (V) 15 20 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.10 0.00 0 5 10 Reverse Voltage (V) 15 20 Total Capacitance vs. Reverse Voltage 100.00 10.00 1.00 3 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. High Tuning Ratio Silicon Hyperabrupt Varactor Diode Typical Capacitance Values SOD-323 Case Style 1141 INCHES DIM. A B C D E F G H MIN. 0.010 0.003 0.063 0.045 0.091 MAX. 0.043 0.004 0.008 0.016 0.006 0.075 0.057 0.106 MA4ST1103-1141T V1 VR (V) 0.0 0.5 1.0 2.0 3.0 4.0 5.0 10.0 15.0 20.0 MA4ST1103 Ct (pF) 33.15 26.95 23.3 18.86 15.9 MILLIMETERS MIN. MAX. 1.1 0.1 0.2 0.25 0.4 0.08 0.15 1.6 1.9 1.15 1.45 2.3 2.7 C F E D 13.62 11.66 4.94 2.95 2.31 G H A B Spice Model Part Number N CJO (pF) Vj (V) M Rs Intrinsic Diode Model N=N Cj0=Cj0 Vj=Vj Fc=0.5 BV=24 V M=M Parasitic Cp & Ls Are per Above Table Cp MA4ST1103 0.994 28.1 65.4 15 Cj Ls 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. |
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