High Tuning Ratio Silicon Hyperabrupt Varactor Diode Features • • • • MA4ST1103-1141T V1 SOD-323 Plastic Package Lower Series Resistance < 0.7 Ω Higher Capacitance Ratio > 3.5:1 Higher Tuning Voltage < 18 V Tape and Reel Surface Mount Packaging 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 Absolute Maximum Ratings @ TA = +25 ° C (Unless Otherwise Noted) 1 Parameter Absolute Maximum Reverse Voltage 22 V Forward Current 20 mA Power Dissipation 250 mW Operating Temperature -55 °C to +125 °C Storage Temperature -55 °C to +125 °C Part Number Configuration Package MA4ST1103-1141T Single SOD-323 Technical Parasitic Information Package Type SOD-323 Package Cp ( pF ) Package Ls ( nH ) 0.11 1.2 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 MA4ST1103-1141T V1 Electrical Specifications @ T A = +25 °C Parameter Condition Min Typ Reverse Current (IR) Vr = 18 Volts Capacitance (CT) Vr = 1 V, 1 MHz 20.9 Capacitance (CTR) CT (1 V)/CT (3 V) 1.3 1.6 Capacitance Ratio (CTR) CT (1 V)/CT (9 V) 3.5 4.5 Series Resistance (Rs) Vr = 1 V, 500 MHz Breakdown Voltage (VB) IR = 10 uA 23.3 0.65 Max Unit 20 nA 25.7 pF Ω 0.85 22 V Typical Performance Curves Series Resistance vs. Reverse Voltage @ 500 MHz Total Capacitance vs. Reverse Voltage 100.00 1.00 Series Resistance (Ohms) Total Capacitance (pF) 0.90 10.00 1.00 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.10 0.00 0 5 10 15 20 Reverse Voltage (V) 0 5 10 15 20 Reverse Voltage (V) 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 MA4ST1103-1141T V1 SOD-323 Case Style 1141 VR (V) MA4ST1103 Ct (pF) 0.0 33.15 0.5 26.95 1.0 23.3 2.0 18.86 3.0 15.9 INCHES DIM. A B C D E F G H MIN. 0.010 0.003 0.063 0.045 0.091 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 MAX. 0.043 0.004 0.008 0.016 0.006 0.075 0.057 0.106 C F 4.0 13.62 5.0 11.66 10.0 4.94 E D G H B A 15.0 2.95 20.0 2.31 Spice Model Part Number Rs Cp Cj Intrinsic Diode Model N=N Cj0=Cj0 Vj=Vj Fc=0.5 BV=24 V M=M Parasitic Cp & Ls Are per Above Table MA4ST1103 N 0.994 CJO (pF) 28.1 Vj M (V) 65.4 15 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.