1watt surface mount zener diode features ! plastic package has underwriters laboratory flammability classification 94v-0 ! low zener impedance ! excellent clamping capability mechanical data ! case molded plastic ! terminals solder plated ! polarity indicated by cathode band ! weight 0.10 grams case : do-214ac(sma) dimensions in inches and (millimeters) maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified storage and operating temperature range -55 to + 150 electrical characteristics (ta=25 unless otherwise noted) vf=1.2v max, if = 200ma for all types zener breakdown voltage dynamic impedances @ 25 t a maximum reverse current measurement voltage and 25 ta maximum forward voltage 25 ta if=0.2a vz @i zt z zt i zt i r vr v f type min. typ. max. ohms ma a v v zts200-x zts200-y zts200-z zts220-y zts220-z zts240-y zts240-z zts270-x zts270-y zts270-z ZTS300-x ZTS300-y ZTS300-z zts330-x zts330-y zts330-z 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 5000 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 152 160 168 176 184 216 225 234 243 252 261 270 279 288 297 306 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 zts200x thru zts330z .220(5.6) .192(4.9) .190(4.8) .157(4.0) .071(1.8) .035(0.9) .110(2.8) .090(2.3) .080(2.0) .100(2.6) .080(2.0) .065(1.65) .040(1.25) cathode .177(4.5) .071(1.8) .087(2.2) soldering pad f o rmosa ms
rating and characteristic curves zts200x thru zts330z fig. 1 - maximum continuous power dissiparion 1 0 reverse power dissipation, watts 25 50 75 100 125 150 175 lead temperature, fig. 3 - typical instantaneous forward charcteristics 10 1.0 0 .1 . 01 instantaneous forward current, amperes .4 .6 .8 1.0 1.2 1.4 1.6 instantaneous forward voltage, volts fig. 5 - typical temperature coefficients 1000 500 200 100 50 20 10 vz temperature coefficient (mv/ ) i zt 10 20 50 100 200 400 1000 v z zener voltage i zt (volts) single phase half wavf 60h z resistive or inductive load 0.375?(9.5mm) lead lengths t j =25 pulse width=300us 1% duty cycle fig. 2 - zener voltage versus zener current 10 5 2 1 0 .5 0 .2 0 .1 i z , zener current (ma) 100 150 200 250 300 350 400 v z , zener voltage (volts) fig. 4 - typical reverse characteristics 10 4 1.0 .4 0.1 .04 .01 instantaneous reverse current,microamperes 0 20 40 60 80 100 120 140 percent of rated zener voltage t j =25
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