1n4736a-lfr thru 1n4764a-lfr page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 1 watt zener diode 1n4736a-lfr thru 1n4764a-lfr features z low cost z small size z rohs mechanical data z case: do-41 dimensions in inches and (millimeters) z terminals: axial leads, solderable per mil-std-202, method 208 z polarity: color band denotes cathode z mounting position: any z weight: 0.34 grams maximum ratings and electrical character istics ratings at 25oc ambient tempe rature unless otherwise specified storage and operating temperature range -55oc to + 150oc electrical characteristics (ta=25o c unless otherwise noted) vf=1.2v max, if = 200ma for all types maximum zener impedance leakage current jedec type no nominal zener voltage v z @ i zt volts test current i zt ma z zt @ i zt ohms z zk @ i zk ohms i zk ma i r a max v r volts surge current @ ta=25oc i r ma 1n4736a-lfr 1N4737A-LFR 1n4738a-lfr 1n4739a-lfr 1n4740a-lfr 1n4741a-lfr 1n4742a-lfr 1n4743a-lfr 1n4744a-lfr 1n4745a-lfr 1n4746a-lfr 1n4747a-lfr 1n4748a-lfr 1n4749a-lfr 1n4750a-lfr 1n4751a-lfr 1n4752a-lfr 1n4753a-lfr 1n4754a-lfr 1n4755a-lfr 1n4756a-lfr 1n4757a-lfr 1n4758a-lfr 1n4759a-lfr 1n4760a-lfr 1n4761a-lfr 1n4762a-lfr 1n4763a-lfr 1n4764a-lfr 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 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 6.5 6 5.5 5 4.5 4 3.7 3.3 3 2.8 2.5 3.5 4 4.5 5 7 8 9 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 1 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 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 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 62.2 69.2 76 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 note U suffix "a" for 5% .205(5.2) .166(4.2) 1.0(25.4) min .034(0.9) .028(0.7) 1.0(25.4) min .107(2.7) .080(2.0)
1n4736a-lfr thru 1n4764a-lfr page: 1 figure 3. typical thermal resistance versus lead length 1000 700 500 200 100 70 50 20 10 7 5 2 1 z z dynamic impedance (ohms) 1 2 3 5 7 10 20 30 50 70 100 v z, zener current (ma) i z =1ma 5ma 20ma t j =25oc i z (ms)=0.1i z (do ) f 60h figure 4. effect of zener current 400 300 200 100 50 20 10 8 4 c, capacitance ( p f) 1 2 5 10 20 50 100 v z , nominal v z (volts) 50%of breakdownbias 0vbias 0vbias fig.1a- range for units to 12 volts +12 +10 +8 +6 +4 +2 0 -2 -4 v z , temperature coefficient ( mv/ oc) 2 3 4 5 6 7 8 9 10 11 12 v z , zener voltage (volts) range v z @i zt fig.1b- range for units to 12 to 100 volts 100 70 50 30 20 10 7 5 3 2 1 v z , temperature coefficient ( mv/ oc) 10 20 30 50 70 100 v z , zener voltage (volts) range v z @i zt 175 150 125 100 75 50 25 0 jl, junction to lead thermal resistance (mv/ /w) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 l, lead length to heat sink (inches) figure 2. temperature coefficients (-55oc to+150oc temperat ure change; 90% of the units are in the ranges indicated.) +6 +4 +2 0 -2 -4 v z , temperature coefficient ( mv/oc) 3 4 5 6 7 8 20ma 1ma 0.01ma v z @i z t a =25oc note: below 3 volts and above 8 volts changes in zener current do not effect tem perature coe fficients v z , zener voltage ( volts ) 1.25 1.0 0.75 0.5 0.25 figure. 7 - power temperature de-rating curve 0 20 40 60 80 100 120 140 160 180 200 t l , lead temperature ( o c) p d ,maximum dissipation (watts)
|
