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. also offering rohs compliant equivalent parts v2 ma45400 series 1 si abrupt tuning varactor diode features ? surface mount plastic packages : sot-23 ? spc process for superior c vs v and q vs v repeat- ability ? lead-free (rohs compliant) equivalents available with 260c reflow compatibility description m/a-com?s ma45400 series is a highly repeatable, uhcvd/ion-implanted, abrupt s ilicon tuning varactor in a cost effective surface mount pa ckage. this series of varac- tors is designed for general purpose tuning in the hf to uhf frequency bands. it is efficient for wide tuning across a 0-30v range. these diodes are offered with standard sn/ pb plating , as well as 100% matte sn plating on our rohs compliant equivalent devices. application m/a-com?s ma45400 series tuni ng varactor is useful for tuning applications in the hf through uhf ranges. appli- cations include vco?s and voltage tuned filters in radios, cable tv tuners and test instruments where low cost and excellent lot to lot repeatability are critical. absolute maximum ratings @ t a =+25 c (unless otherwise noted) 1 1. operation of this device abov e any one of these parameters may cause permanent damage. 2. please refer to applicati on note m538 for surface mounting instructions parameter absolute maximum reverse voltage 30 v forward current 50 ma operating temperature -55 c to +125 c storage temperature -55 c to +125 c part number rohs compliant part number configuration package package cp (pf) package ls (nh) ma45436-287t mavr-045436-0287at single sot-23 0.12 1.3 ma45437-287t mavr-045437-0287at single sot-23 0.12 1.3 ma45438-287t mavr-045438-0287at single sot-23 0.12 1.3 ma45439-287t mavr-045439-0287at single sot-23 0.12 1.3 ma45440-287t mavr-045440-0287at single sot-23 0.12 1.3 ma45441-287t mavr-045441-0287at single sot-23 0.12 1.3 ma45445-287t mavr-045445-0287at single sot-23 0.12 1.3 ma45446-287t mavr-045446-0287at single sot-23 0.12 1.3 ma45436ck-287t mavr-045436-0287ft common cathode sot-23 0.12 1.3 ma45437ck-287t mavr-045437-0287ft common cathode sot-23 0.12 1.3 ma45438ck-287t mavr-045438-0287ft common cathode sot-23 0.12 1.3 ma45439ck-287t mavr-045439-0287ft common cathode sot-23 0.12 1.3 ma45440ck-287t mavr-045440-0287ft common cathode sot-23 0.12 1.3 ma45441ck-287t mavr-045441-0287ft common cathode sot-23 0.12 1.3 sot-23
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. also offering rohs compliant equivalent parts v2 ma45400 series 2 si abrupt tuning varactor diode electrical specifications @ t a = +25 c breakdown voltage @ i r = 10 a, v b = 30v minimum reverse leakage current @ v r =24v, i r = 100 na maximum 1 the suffix defines package style, confi guration and packaging information. contact representative for complete part identific ation. 2 capacitance @ 1 mhz part number equivalent rohs compliant part number ct* (pf) capacitance ratio q minimum v r = 4.0 v ct 0v/ ct 30v v r = 4.0 v min. nom. max. typ. min. ma45436-287t ma45436ck-287t mavr-045436-0287at mavr-045436-0287ft 4.23 4.7 5.17 4.5 1800 ma45437-287t ma45437ck-287t mavr-045437-0287at mavr-045437-0287ft 5.04 5.6 6.16 4.5 1700 ma45438-287t ma45438ck-287t mavr-045438-0287at mavr-045438-0287ft 6.12 6.8 7.48 4.5 1600 ma45439-287t ma45439ck-287t mavr-045439-0287at mavr-045439-0287ft 7.38 8.2 9.02 4.5 1500 ma45440-287t ma45440ck-287t mavr-045440-0287at mavr-045440-0287ft 9 10 11 4.5 1300 ma45441-287t ma45441ck-287t mavr-045441-0287at mavr-045441-0287ft 10.8 12 13.2 4.6 1200 ma45445-287t mavr-045445-0287at 24.3 27 29.7 4.6 900 ma45446-287t mavr-045446-0287at 29.7 33 36.3 4.7 750 sot-23 single configuration sot-23 common cathode configuration
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. also offering rohs compliant equivalent parts v2 ma45400 series 3 si abrupt tuning varactor diode case styles mounting information the illustration indica tes the recommended mounting pad configuration for the sot-23 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. please refer to application note m538 for surface mounting instructions. f d h j a g l c e b k n m inches millimeters dim. min. max. min. max. a ? 0.048 ? 1.22 b ? 0.008 ? 0.20 c ? 0.040 ? 1.00 d 0.013 0.020 0.35 0.50 e 0.003 0.006 0.08 0.15 f 0.110 0.119 2.80 3.00 g 0.047 0.056 1.20 1.40 h 0.037 typical 0.95 typical j 0.075 typical 1.90 typical k ? 0.103 ? 2.60 l ? 0.024 ? 0.60 dim. gradient m 10 max. 1 n 2 . . .30 sot-23 case style 287 0.75 1.9 .037 0.95 .035 0.90 .090 2.2 .030 0.80 inches mm dimenstions: min. min. sot-23
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