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| MA4ST200 Series Low-Voltage / High Q Si Hyperabrupt Varactors Rev. V4 Features * Surface Mount Packages (SOT-23, SC70 3LD, SOD-323) * High Q at Low Voltages * High Capacitance Ratio at Low Voltages * SPC Process for Superior C-V Repeatability * Available as Single and Common Cathode Pairs Tape and Reel Packaging * Designed for Commercial Wireless Applications * Lead-Free (RoHS Compliant) equivalents available with 260C reflow compatibility Absolute Maximum Ratings1,2 @ TA=+25 C (Unless Otherwise Noted) Parameter Reverse Voltage Forward Current Total Power Dissipation Operating Temperature Storage Temperature Absolute Maximum 12 V 50 mA 250 mW -55 C to +125 C -55 C to +125 C Description M/A-COM's MA4ST200 series is a ion-implanted, hyperabrupt junction, silicon tuning varactors in SOT-23, SC70 3LD, and SOD- 323 surface mount packages. This series of varactors is designed for high Q and low voltage operation. Each varactor type has a Q greater than 400 at -2 V. These diodes are offered with standard Sn/Pb plating , as well as 100% matte Sn plating on our RoHS compliant equivalent devices. 1. Operation of this device above any one of these parameters may cause permanent damage. 2. Please refer to application note M538 for surface mounting instructions Typical Device Selection by Frequency 320 330 340 350 Active Pagers CT2 SMR PDC GSM IS-136/95 NMT JCT NMT TACS AMPS Applications The MA4ST200 series tuning varactors are useful for wide band tuning and low phase noise applications where the supply voltage is limited to 5 volts or less. These varactors have been specifically designed for use in the wireless communications up to the 2.4 GHz band. Applications include VCOs and voltage tuned filters. PCS GPS DCS1800 PHP DECT WLAN 0.25 0.5 0.75 1.0 FREQUENCY (GHz) 2.0 3.0 Configurations RoHS Compliant Parts Part Number MA4ST230 MA4ST240 MA4ST250 RoHS Compliant Base Part Number MAVR-000230 MAVR-000240 MAVR-000250 1 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MA4ST200 Series Low-Voltage / High Q Si Hyperabrupt Varactors Rev. V4 Electrical Specifications @ TA = +25 C Breakdown Voltage @ IR = 10A, Vb = 12 V Minimum Reverse Leakage Current @ VR =10V, IR = 100 nA Maximum CT 4 (pF) f = 1 MHz, VR = 2.0 V Min. MA4ST230 MA4ST240 MA4ST250 MAVR-000230-XXXXXX MAVR-000240-XXXXXX MAVR-000250-XXXXXX 4.5 3.0 2.3 Capacitance Ratio (pF) f = 1 MHz VR = 4.0 V Max. 3.1 2.3 1.8 Q Factor Part Number Base RoHS Compliant Part Number Base 3 CT0.5/CT4.0 Typ. 3.5 3.5 3.5 f = 50 MHz VR = 2.0 V Min. 400 450 450 Nom. 5.0 3.5 2.7 Max. 6.0 4.2 3.5 3. The suffix defines package style, configuration and packaging information. Contact representative for complete part identification. Example : The MA4ST250-1141T RoHS compliant version is MAVR-000250-11410T . 4. Capacitance @ 1 MHz Spice Model Intrinsic Diode Model: N = 1.1 CJ0=(see table below) VJ = (see table below) FC = 0.5 BV = 12.0 V M = (see table below) Rs Cp Package Parasitics Cj Parasitics: Cp= 0.15 pF Ls= 0.1 nH Ls Part No. MA4ST230 MA4ST240 MA4ST250 RoHS Compliant Base Part No. MAVR-000230 MAVR-000240 MAVR-000250 CJ0 (pF) 12.0 8.16 6.19 VJ (V) 4.085 4.930 4.774 M 2.228 2.520 2.458 2 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MA4ST200 Series Low-Voltage / High Q Si Hyperabrupt Varactors Rev. V4 Typical Performance Curves 3 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MA4ST200 Series Low-Voltage / High Q Si Hyperabrupt Varactors Rev. V4 Case Styles SOD-323 (Case Style 1141) C F D G E INCHES DIM. A B C D E F G H MILLIMETERS MIN. 0.25 0.08 1.6 1.15 2.3 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 MAX. 1.1 0.1 0.2 0.4 0.15 1.9 1.45 2.7 H A B SC-70, 3 Lead (Case Style 1146) A E J H DIM. A B C D E G INCHES MIN. MAX. 0.071 0.045 0.071 0.047 0.010 0.031 0.000 0.004 0.004 0.087 0.053 0.094 0.057 0.016 0.039 0.004 0.007 0.010 MILLIMETERS MIN. MAX. 1.80 1.15 1.80 1.19 0.25 0.80 0.00 0.10 0.10 2.20 1.35 2.40 1.45 0.41 1.00 0.10 0.18 0.25 10 M A X . C B F G H J F D SC-79 (Case Style 1279) DIM. A B C D E F G H I INCHES MIN. MAX. 0.020 0.003 0.006 0.010 0.059 0.043 0.011 0.037 typical .028 0.028 0.008 0.010 0.014 0.067 0.051 0.012 0.043 .035 MILLIMETERS MIN. MAX. 0.50 0.08 0.15 0.25 0.08 1.50 0.28 0.94 0.71 0.71 0.20 0.25 0.36 0.15 1.30 0.30 1.09 0.89 4 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MA4ST200 Series Low-Voltage / High Q Si Hyperabrupt Varactors Rev. V4 Mounting Information The illustration indicates the recommended mounting pad configuration for the SC-79, SC70 3LD and SOD-323 packages. Solder paste containing flux should be screened onto the pads to a thickness of 0.005- 0.007 inches. The plastic package is placed in position, firmly adhering to the solder paste. Permanent attachment is performed by a reflow soldering procedure during which the tab temperature does not exceed +275 C and the body temperature does not exceed +250 C, for standard models and +260 C for the RoHS compliant devices. These varactors are available in the three case styles shown. When ordering, specify the desired case style by adding the case designation (287 for SOT-23, 1146 for SC70 3LD, 1141 for SOD-323) as a suffix to the model number. For example, MA4ST230-1141 specifies the MA4ST230 varactor in the SOD-323 package. The model number indicated is for a single varactor. Common cathode pairs are available in SOT-23 package, and are specified by adding "CK" to the end of the model number. For example MA4ST230CK-287 specifies the MA4ST230 varactor in common cathode pairs. For RoHS Compliant Parts, use the Following Suffices for the Given Package Style ( After the Base P/N ) : SC-79 : 12790T SOD-323 : 11410T SC70 3LD : 1146FT As example, the RoHS P/N for the Base P/N MAVR000230 in SOD-323 is : MAVR-000230-1146FT. SC-79 (Case Style 1279) 0.020 0.50 0.020 0.50 0.053 1.35 Dimenstions: inches mm SOD-323 (Case Style 1141) 0.030 0.80 0.030 0.80 0.030 0.80 .090 2.2 Dimenstions: inches mm SC-70, 3 Lead (Case Style 1146) 0.030 0.80 0.030 0.80 0.075 1.9 0.030 0.80 0.030 0.80 Dimenstions: inches mm Please refer to Application Note M538 for surface mounting instructions. 5 Specifications are subject to change without prior notification ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. |
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