high tuning ratio silicon hyperabrupt varactor diode m/a - com inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without noti ce. 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. 1 v1 MA4ST1103 - 1141t features lower series resistance < 0.7 w higher capacitance ratio > 3.5:1 higher tuning voltage < 18 v tape and reel surface mo unt packaging description and applications m/a - com?s MA4ST1103 - 1141t is a highly repeatable, ion - implanted, hyperabrupt silico n 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 @ t a = +25 c (unless otherwise noted) 1 1. operation of this device above any one of these parameters 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 technical parasitic information package type package cp ( pf ) package ls ( nh ) sod - 323 0.11 1.2 part number configuration package ma4st1 103 - 114 1 t single sod - 323 sod - 323 plastic package
high tuning ratio silicon hyperabrupt varactor diode m/a - com inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without noti ce. 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. 2 v1 MA4ST1103 - 1141t electrical specifications @ t a = +25 c parameter condition min typ max unit reverse current (i r ) vr = 18 volts 20 na capacitance (c t ) vr = 1 v, 1 mhz 20.9 23.3 25.7 pf capacitance (c tr ) c t (1 v)/c t (3 v) 1.3 1.6 capacitance ratio (c tr ) c t (1 v)/c t (9 v) 3.5 4.5 series resistance (rs) vr = 1 v, 500 mhz 0.65 0.85 w breakdown voltage (v b ) i r = 10 ua 22 v 3 typical performance curves total capacitance vs. reverse voltage 0.10 1.00 10.00 100.00 0 5 10 15 20 reverse voltage (v) total capacitance (pf) series resistance vs. reverse voltage @ 500 mhz 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 0 5 10 15 20 reverse voltage (v) series resistance (ohms)
high tuning ratio silicon hyperabrupt varactor diode m/a - com inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without noti ce. 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. 3 v1 MA4ST1103 - 1141t typical capacitance values 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 v r (v) ma4st1 103 ct (pf) 0.0 33.15 0.5 26.95 1.0 23.3 2.0 18.86 3.0 15.9 4.0 13.62 5.0 11.66 10.0 4.94 15.0 2.95 20.0 2.31 spice model part number n cjo (pf) vj (v) m MA4ST1103 0.994 28.1 65.4 15 cp rs cj ls intrinsic diode model n=n cj0=cj0 vj=vj fc=0.5 bv=24 v m=m parasitic cp & ls are per above table
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