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 low tuning voltage/low rs silicon hyperabrupt varactor diode v4 ma4st1200 series 1 features ? low series resistance at low tuning voltages ? high capacitance ratio at low tuning voltages ? surface mount plastic packages : sc-79, sod-323, sc-70 ( 3l ) ? spc process for superior c vs v repeatability ? lead-free (rohs compliant) equivalents available with 260c reflow compatibility description m/a-com?s ma4st1200 series is a highly repeatable, uhcvd/ion-implanted, hyperabrupt silicon tuning varactor in a cost effective surface mount packag e. this series of varactors is designed for high capa citance ratio, and high q for low battery voltage operation. it is effici ent for wide band tuning and low phase noise application where the supply voltage is limited to 5 volts or less. the varactors are o ffered as singles in sc-79, and sod-323 along with a common cat hode version offered in the sc-70, 3 lead. these diodes are offered with standard sn/pb plating , as well as with 100% matte sn plating on our rohs compliant equivalent devices. . 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 12 v forward current 50 ma operating temperature -55 c to +125 c storage temperature -55 c to +125 c sod-323 sc-70 (3 lead) sc-79 part number rohs compliant part number configuration package package cp (pf) package ls (nh) mavr-001230-12790t single sc-79 0.10 0.6 mavr-001240-12790t single sc-79 0.10 0.6 MA4ST1230-1141t ma4st1231-1141t single sod-323 0.11 1.2 ma4st1240-1141t ma4st1241-1141t single sod-323 0.11 1.2 MA4ST1230ck-1146t ma4st1231ck-1146t common cathode sc-70 (3l) 0.12 1.3 ma4st1240ck-1146t ma4st1241ck-1146t common cathode sc-70 (3l) 0.12 1.3
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. also offering rohs compliant equivalent parts low tuning voltage/low rs silicon hyperabrupt varactor diode v4 ma4st1200 series 2 electrical specifications @ t a = +25 c breakdown voltage @ i r = 10 a, v b = 12 v minimum reverse leakage current @ v r =10v, i r = 100 na maximum 1 the prefix defines package style, configuration and packaging information. contact representative for complete part identific ation. 2 capacitance @ 1 mhz 3 series resistance @ 100 mhz typical capacitance vs. biasing voltage 3 part number base rohs compliant part number base 1 ct (pf) 2 capacitance ratio rs 3 (ohm) v r = 0.5v v r = 4.0v ct 0.5 /ct 4.0 v r = 2.0 v typ. min. nom. max. typ. typ. typ. max. MA4ST1230 ma4st1231 mavr-001230-xxxxx 10.1 4.2 4.7 5.2 2.75 3.67 0.40 0.70 ma4st1240 ma4st1241 mavr-001240-xxxxx 7.1 3.0 3.4 3.8 2.05 3.46 0.40 0.70 v r = 2.0v typical capacitance change vs. temperature -4% -2% 0% 2% 4% -40 -15 10 35 60 85 temperature (degree c) % of capacitance change (relative to 25 c) 0 2 4 6 8 10 12 012345 biasing voltage (v) capacitance (pf ) MA4ST1230/1231 /mavr-001230 ma4st1240/1241 /mavr-001240 0.00 0.20 0.40 0.60 0.80 1.00 0.00.51.01.52.02.53.0 biasing voltage (v) series resistance (ohm) ma4st1240/1241 / mavr-001240 MA4ST1230/1231 mavr-001230 typical rs vs biasing voltage 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. also offering rohs compliant equivalent parts low tuning voltage/low rs silicon hyperabrupt varactor diode v4 ma4st1200 series 3 typical capacitance values spice model v r (v) MA4ST1230 ma4st1240 ct (pf) ct (pf) 0.5 10.170 7.016 1.0 7.839 5.424 1.5 6.062 4.213 2.0 4.840 3.370 2.5 4.053 2.829 3.0 3.527 2.466 3.5 3.155 2.208 4.0 2.877 2.016 4.5 2.661 1.865 5.0 2.488 1.746 part number n cjo (pf) vj (v) m MA4ST1230 1.1 12.7 3.136 2.6 ma4st1240 1.1 8.65 3.170 2.6 c p rs c j ls intrinsic diode model n =n cj0=cj0 vj=vj fc=0.5 bv=20 v m=m parasitic cp & ls are per above table
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 low tuning voltage/low rs silicon hyperabrupt varactor diode v4 ma4st1200 series 4 case styles sc-70, 3 lead case style 1146 inches millimeters dim. min. max. min. max. a 0.071 0.087 1.80 2.20 b 0.045 0.053 1.15 1.35 c 0.071 0.094 1.80 2.40 d 0.047 0.057 1.19 1.45 e 0.010 0.016 0.25 0.41 f 0.031 0.039 0.80 1.00 g 0.000 0.004 0.00 0.10 h 0.004 0.10 j 0.004 0.10 0.007 0.010 0.18 0.25 sod-323 case style 1141 inches millimeters dim. min. max. min. max. a ? 0.043 ? 1.1 b ? 0.004 ? 0.1 c ? 0.008 ? 0.2 d 0.010 0.016 0.25 0.4 e 0.003 0.006 0.08 0.15 f 0.063 0.075 1.6 1.9 g 0.045 0.057 1.15 1.45 h 0.091 0.106 2.3 2.7 f d h g c e a b a e d j h g f 10 max. c b sc-79 case style 1279 inches millimeters dim. min. max. min. max. a 0.020 0.028 0.50 0.71 b 0.003 0.008 0.08 0.20 c 0.006 0.010 0.15 0.25 d 0.010 0.014 0.25 0.36 e 0.059 0.067 0.08 0.15 f 0.043 0.051 1.50 1.30 g 0.011 0.012 0.28 0.30 h 0.037 typical 0.043 0.94 1.09 d e f cathode mark b c seating plane 10 max a 10 max g h topview
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 low tuning voltage/low rs silicon hyperabrupt varactor diode v4 ma4st1200 series 5 mounting information the illustration indica tes the recommended mounting pad configuration for the sc-79, sot-323 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. please refer to application note m538 for surface mounting instructions. sot-323 0.030 0.80 0.030 0.80 0.030 0.80 0.075 1.9 0.030 0.80 inches mm dimenstions: sod-323 0.030 0.80 .090 2.2 0.030 0.80 inches mm dimenstions: 0.030 0.80 sc-79 0.020 0.50 0.053 1.35 inches mm dimenstions: 0.020 0.50
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