View ZM4740A_8110597.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1 features mechanical data o absolute maximum ratings (t a =25 c) o characteristics at t amb =25 c silicon planar power zener diodes silicon planar power zener diodes for use in stabilizing and clipping circuits with high power rating. standard zener voltage tolerance is 10%. add suffix a for 5% tolerance and suffix b for 2% tolerance. other tolerances available are upon request. these diodes are also available in do-41 case with the type designation 1n4728...1n4767 these diodes are delivered taped. details see t aping zener current see table characteristics power dissipation junction temperature storage temperature range u n i t s symbol 0 c 0 c w - 6 5 t o + 1 7 5 p tot t j t s 1) 1 175 value 1) valid provided that electrodes are kept at ambient temperature zm 472 8a th ru zm 476 4a 1)valid provided that electrodes are kept at ambient temperature thermal resistance junction to ambient air forward voltage at i f =200ma u n i t s symbol v f min max typ r tha 1) 170 1.2 k/w v d o - 2 1 3 a b / m e l f 0.022(0.559 ) 0.016(0.406 ) 0.205(5.20 ) 0.185(4.70 ) 0.105(2.67 ) 0.095(2.41 ) + 0 -0.008(0.20 ) solderable ends cathode ban d d1 = d2=d 1 d 2 dimension in inches (millimeters ) www.paceleader.tw
o electrical characteristics (at t a =25 c unless otherwise noted) silicon planar power zener diodes silicon planar power zener diodes type zm4728a zm4729a zm4730a zm4731a zm4732a zm4733a zm4734a zm4735a zm4736a zm4737a zm4738a zm4739a ZM4740A zm4741a zm4742a zm4743a zm4744a zm4745a zm4746a zm4747a zm4748a zm4749a zm4750a zm4751a zm4752a zm4753a zm4754a zm4755a zm4756a zm4757a zm4758a zm4759a zm4760a zm4761a zm4762a zm4763a zm4764a nominal zener 3) voltage at l zt v z v l zt ma test current 76 79 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 at l zt vz 1) maximum zener lmpedance 10 10 9 9 8 7 5 2 3.5 4.0 4.5 5.0 7 8 9 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350 vzk at l zk ma 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 1 1 1 1 1 1 1 1 1 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 maximum reverse leakage current 150 100 100 50 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 1 1 1 1 1 2 3 4 5 6 7 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76 at v r v i r a 1375 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 275 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 134 12 11 10 9 at 0 t a =25 c i r ma surge current maximum regulator 2) current l zm ma 1) the zener lmpedance is derived from the 60hz ac voltage which results when an ac current having an rms value equal to 10% of the zener current (l zt or l zk ) is superimposed on l zt or l zk . zener lmpedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) valid provided that electrodes are kept at ambient temperature. 3) measured under thermal equilibrium and dc test conditions. 2 www.paceleader.tw zm 472 8a th ru zm 476 4a
3 silicon planar power zener diodes silicon planar power zener diodes rating and characteristics curves zm4728 thru zm4764 0 10 0 20 0 c 0 0.2 0.4 0.6 0.8 1.0 o w admissible power dissipation versus ambient temperature valid provided that electrodes are kept at ambient temperature zm4728... tamb ptot www.paceleader.tw zm 472 8a th ru zm 476 4a

▲Up To Search▲

Price & Availability of ZM4740A

	To Download ZM4740A Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .