1N4728-1n4764 * complete voltage range 3.3 to 200 volts * high peak reverse power dissipation * high reliability * low leakage current * pb / rohs free * case : do-41 molded plastic * epoxy : ul94v-o rate flame retardant * lead : axial lead solderable per mil-std-202, method 208 guaranteed * polarity : color band denotes cathode end * mounting position : any * weight : 0.335 gram rating at 25 c ambient temperature unless otherwise specified rating symbol value unit dc power dissipation at t l = 50 c (note1) p d 1.0 watt maximum forward voltage at i f = 200 ma v f 1.2 volts maximum thermal resistance junction to ambient air (note2) r ? ja 170 k / w junction temperature range t j - 55 to + 175 c storage temperature range t stg - 55 to + 175 c notes : ( 1 ) t l = lead tem p erature at 3/8 " ( 9.5mm ) from bod y ( 2 ) valid p rovided that leads are ke p t at ambient tem p erature at a distance of 10 mm from case. 0 25 50 75 100 125 150 175 t l , lead temperature ( c ) 0.25 0.50 0.75 1.00 1.25 l = 3/8" (9.5mm) p d , maximum dissipation (watts) fig. 1 power temperature derating curve 0 http://www.trr-jx.com & silicon zener diodes z1110-z1200 do-41 .034 (.86) (5.2) .205 dimensions in inches and (millimeters) features mechanical data maximum ratings
electrical characteristics (rating at 25 c ambient temperature unless otherwise specified) nominal zener maximum zener maximum reverse maximum dc maximum voltage impedance leakage current zener current surge current v z (1) @ i zt i zt z zt @ i zt z zk @ i zk i zk i r @ v r i zm i rm (2) (v) (ma) ( ? )( ? ) (ma) ( a) (v) (ma) (mapk) 1N4728 3.3 76.0 10 400 1.0 100 1.0 276 1380 1n4729 3.6 69.0 10 400 1.0 100 1.0 252 1260 1n4730 3.9 64.0 9.0 400 1.0 50 1.0 234 1190 1n4731 4.3 58.0 9.0 400 1.0 10 1.0 217 1070 1n4732 4.7 53.0 8.0 500 1.0 10 1.0 193 970 1n4733 5.1 49.0 7.0 550 1.0 10 1.0 178 890 1n4734 5.6 45.0 5.0 600 1.0 10 2.0 162 810 1n4735 6.2 41.0 2.0 700 1.0 10 3.0 146 730 1n4736 6.8 37.0 3.5 700 1.0 10 4.0 133 660 1n4737 7.5 34.0 4.0 700 0.5 10 5.0 121 605 1n4738 8.2 31.0 4.5 700 0.5 10 6.0 110 550 1n4739 9.1 28.0 5.0 700 0.5 10 7.0 100 500 1n4740 10 25.0 7.0 700 0.25 10 7.6 91 454 1n4741 11 23.0 8.0 700 0.25 5.0 8.4 83 414 1n4742 12 21.0 9.0 700 0.25 5.0 9.1 76 380 1n4743 13 19.0 10 700 0.25 5.0 9.9 69 344 1n4744 15 17.0 14 700 0.25 5.0 11.4 61 305 1n4745 16 15.5 16 700 0.25 5.0 12.2 57 285 1n4746 18 14.0 20 750 0.25 5.0 13.7 50 250 1n4747 20 12.5 22 750 0.25 5.0 15.2 45 225 1n4748 22 11.5 23 750 0.25 5.0 16.7 41 205 1n4749 24 10.5 25 750 0.25 5.0 18.2 38 190 1n4750 27 9.5 35 750 0.25 5.0 20.6 34 170 1n4751 30 8.5 40 1000 0.25 5.0 22.8 30 150 1n4752 33 7.5 45 1000 0.25 5.0 25.1 27 135 1n4753 36 7.0 50 1000 0.25 5.0 27.4 25 125 1n4754 39 6.5 60 1000 0.25 5.0 29.7 23 115 1n4755 43 6.0 70 1500 0.25 5.0 32.7 22 110 1n4756 47 5.5 80 1500 0.25 5.0 35.8 19 95 1n4757 51 5.0 95 1500 0.25 5.0 38.8 18 90 1n4758 56 4.5 110 2000 0.25 5.0 42.6 16 80 1n4759 62 4.0 125 2000 0.25 5.0 47.1 14 70 1n4760 68 3.7 150 2000 0.25 5.0 51.7 13 65 1n4761 75 3.3 175 2000 0.25 5.0 56.0 12 60 1n4762 82 3.0 200 3000 0.25 5.0 62.2 11 55 1n4763 91 2.8 250 3000 0.25 5.0 69.2 10 50 1n4764 100 2.5 350 3000 0.25 5.0 76.0 9.0 45 z1110 110 2.3 450 4000 0.25 5.0 83.6 8.6 40 z1120 120 2.0 550 4500 0.25 5.0 91.2 7.8 37 z1130 130 1.9 700 5000 0.25 5.0 98.8 7.0 34 z1150 150 1.7 1000 6000 0.25 5.0 114.0 6.4 30 z1160 160 1.6 1100 6500 0.25 5.0 121.6 5.8 28 z1180 180 1.4 1200 7000 0.25 5.0 136.8 5.2 25 z1200 200 1.2 1900 9990 0.25 5.0 152.0 4.7 22 notes : (1) the type number listed have a standard tolerance on the nominal zener voltage of 10%. suffix "a" indicates 5% tolerance, suffix "c" indicates 2% tolerance. (2) the revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on i zt per jedec method type no. http://www.trr-jx.com 1N4728-1n4764 & silicon zener diodes z1110-z1200
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