leshan radio company, ltd. plastic sod? 323 case 477 1 2 lmdl301t1g silicon hot?carrier diodes schottky barrier diode these devices are designed primarily for high?efficiency uhf and vhf detector applications. they are readily adaptable to many other fast switching rf and digital applications. they are supplied in an inexpensive plastic package for low?cost, high?volume consumer and industrial/commercial requirements. they are available in a surface mount package. extremely low minority carrier lifetime ? 15 ps (typ) very low capacitance ? 1.5 pf (max) @ v r = 15 v low reverse leakage ? i r = 13 nadc (typ) device marking: 4t 2 anode 1 cathode maximum ratings ( t j =125c unless otherwise noted ) symbol rating v alue unit v r reverse voltage 30 v olts 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 marking shipping lmdl301t1g 4t 3000 / t ape & reel 30 volts silicon hot?carrier detector and switching diodes electrical characteristics (t a = 25c unless otherwise noted) characteristic symbol min typ max unit reverse breakdown voltage v (br)r 30 ? ? volts (i r = 10 a) diode capacitance (v r = 15 v, f = 1.0mhz) figure 1 c t ? 0.9 1.5 pf reverse leakage (v r = 25 v) figure 3 i r ? 13 200 nadc forward voltage (i f = 1.0 madc) figure 4 v f ? 0.38 0.45 vdc forward voltage (i f = 10 madc) figure 4 v f ? 0.52 0.6 vdc LMDL301T3G 4t 10000 / t ape & reel we declare that the material of product compliance with rohs requirements. rev.o 1/3
leshan radio company, ltd. lmdl301t1g typical electrical characteristics sinusoidal generator v r , reverse voltage (volts) figure 1. total capacitance i f , forward current (ma) figure 2. minority carrier lifetime v r , reverse voltage (volts) figure 3. reverse leakage v f , forward voltage (volts) figure 4. forward voltage figure 5. krakauer method of measuring lifetime i f , forward current (ma) i r , reverse leakage ( a) c t , total capacitance (pf) , minority carrier lifetime (ps) f = 1.0 mhz 2.8 2.4 2.0 1.6 1.2 0.8 0.4 0 0 3.0 6.0 9.0 12 15 18 21 24 27 30 500 400 300 200 100 0 0 102030405060708090100 t a = ?40c krakauer method t a = 100c 10 1.0 0.1 0.01 0.001 0 6.0 12 18 24 30 75c 25c t a = 85c t a = 25c 100 10 1.0 0.1 0.2 0.4 0.6 0.8 1.0 1.2 ballast network (pads) sampling oscilloscope (50 ? input) pads capacitive conduction forward conduction storage conduction dut i f(peak) i r(peak) rev.o 2/3
leshan radio company, ltd. lmdl301t1g package dimensions sod?323 rev.o 3/3 h e 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. 4. dimensions a and b do not include mold flash, protrusions or gate burrs. 5. dimension l is measured from end of radius. note 3 d 1 2 b e a3 a1 a c note 5 l 1.60 0.063 0.63 0.025 0.83 0.033 2.85 0.112 h e dim min nom max millimeters a 0.80 0.90 1.00 a1 0.00 0.05 0.10 a3 0.15 ref b 0.25 0.32 0.4 c 0.089 0.12 0.177 d 1.60 1.70 1.80 e 1.15 1.25 1.35 0.08 2.30 2.50 2.70 l 0.031 0.035 0.040 0.000 0.002 0.004 0.006 ref 0.010 0.012 0.016 0.003 0.005 0.007 0.062 0.066 0.070 0.045 0.049 0.053 0.003 0.090 0.098 0.105 min nom max inches soldering footprint*
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