s1?1/3 plastic sod? 323 case 477 1 2 MMDL101t1 schottky barrier diode schottky barrier diodes are designed primarily for high?efficiency uhf and vhf detector applications. readily available to many other fast switching rf and digital applications. very low capacitance ? less than 1.0 pf @ zero volts low noise figure ? 6.0 db typ @ 1.0 ghz device marking: 4m maximum ratings symbol rating v alue unit v r reverse voltage 7.0 vdc thermal characteristics symbol characteristic max unit p d total device dissipation fr?5 board,* 200 mw t a = 25c derate above 25c 1.57 mw/c r ja thermal resistance junction to ambient 635 c/w t j , t stg junction and storage ?55 to+150 c temperature range *fr?5 minimum pad ordering information device package shipping MMDL101t1 sod?323 3000 / t ape & reel 1.0 pf schottky barrier diode 2 anode 1 cathode electrical characteristics (t a = 25c unless otherwise noted) characteristic symbol min typ max unit reverse breakdown voltage v (br)r 7.0 10 ? volts (i r = 10 a) diode capacitance (v r = 0, f = 1.0mhz, note 1) c t ? 0.88 1.0 pf reverse leakage (v r = 3.0 v) i r ? 20 250 nadc noise figure (f = 1.0 ghz, note 2) n f ? 6.0 ? db forward voltage (i f = 10 ma) v f ? 0.5 0.6 vdc *notes on next page
s1?2/3 MMDL101t1 typical characteristics t a , ambient temperature (c) figure 1. reverse leakage v f , forward voltage (volts) figure 2. forward voltage v r , reverse voltage (volts) figure 3. capacitance p lo , local oscillator power (mw) figure 4. noise figure figure 5. noise figure test circuit c, capacitance (pf) i r , reverse leakage ( a) notes on testing and specifications note1?c c andc t are measured using a capacitance bridge(boonton electronics model 75a or equivalent). note2?noise figure measured with diode under test in tuned diode mount using uhf noise source and local oscillator (lo) frequency of 1.0 ghz.the lo power is adjusted for 1.0 mw. i f amplifier nf = 1.5 db, f = 30mhz, see figure 5. i f , forward current (ma) nf, noise figure (db) 1.0 0.7 0.5 0.2 0.1 0.07 0.05 0.02 0.01 30 40 50 60 70 80 90 100 110 120 130 100 10 1.0 0.1 0.3 0.4 0.5 0.6 0.7 0.8 1.0 0.9 0.8 0.7 0.6 0 1.0 2.0 3.0 4.0 11 10 9 8 7 6 5 4 3 2 1 0.1 0.2 0.5 1.0 2.0 5.0 10 local oscillator v r = 3.0 vdc t a = ?40c local oscillator frequency = 1.0ghz (test circuit figure 5) t a = 85c t a = 25c mmbd110t1 mmbd110t1 mmbd110t1 mmbd110t1 uhf noise source h.p. 349a noise figure meter h.p. 342a diode in tuned mount if amplifier nf = 1.5 db f = 30 mhz
s1?3/3 MMDL101t1 package dimensions sod?323 plastic package case 477?02 issue a k a d b 1 2 j note 3 h e c 0.63 mm 0.025?? 1.60 mm 0.063?? 2.85 mm 0.112?? 0.83 mm 0.033?? () mm inches sod?323 soldering footprint notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeters. 3. lead thickness specified per l/f drawing with solder plating. dim millimeters inches min max min max a 1.60 1.80 0.063 0.071 b 1.15 1.35 0.045 0.053 c 0.80 1.00 0.031 0.039 d 0.25 0.40 0.010 0.016 e 0.15 ref 0.006 ref h 0.00 0.10 0.000 0.004 j 0.089 0.177 0.0035 0.0070 k 2.30 2.70 0.091 0.106 style 1: pin 1. cathode 2. anode
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