dl 957b thru dl 982b 0.5w silicon planar zener diodes features x zener voltage 6.8v to 75 x silicon planar power zener diodes x v z C tolerance 5% maximum ratings symbol value units zener current see table 1 power dissipation @ t a =25 : p tot 500 mw junction temperature t j 200 : storage temperature range t stg -65 to 200 : electrical characteristics @ 25 q c unless otherwise specified symbol maximum unit thermal resistance r ja 300 o c/w forward voltage @ i f =200ma v f 1.5 v mechanical data
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m cc tm micro commercial components w w w. m c c se m i .c om 1 of 3 a b c cat h ode m a rk 0.030 0.105 0.075 suggested solder pad layout minimelf dimensions inches mm dim min max min max note b .008 .016 .20 .40 c .055 .059 1.40 1.50 ? 0.075 suggested solder pad layout minimelf dimensions inches mm dim min max min max note b .008 .016 .20 .40 ? glass package x marking : cathode band denotes polarit ? operating temperature: -65 c to 175 c revision: 2 200 9 /0 9 / 0 1 a . 130 .146 3.30 3.70 a . 130 .146 3.30 3.70 lead free finish/rohs compliant(note 1) ("p" suffix designates rohs compliant. see ordering information) notes: 1. lead in glass exemption applied, see eu directive annex 5. 2 . valid provided that a distance of 8mm from case are kept at ambient temperature. downloaded from: http:///
zener voltage 3) @test current maximum zener impedance 1) maximum reverse leakage current test-voltage maximum zener current v z i zt z zt z zk i zk i r 2) v r i zm 2) mcc part number v ma
ma a v ma dl 957b 6.8 18.5 4.5 700 1.0 150 5.2 47 dl 958b 7.5 16.5 5.5 700 0.5 75 5.7 42 dl 959b 8.2 15 5.5 700 0.5 50 6.2 38 dl 960b 9.1 14 5.5 700 0.5 10 6.9 35 dl 961b 10 12.5 5.5 700 0.25 5 7.6 32 dl 962b 11 11.5 5 700 0.25 5 8.4 28 dl 963b 12 10.5 11.5 700 0.25 5 9.1 26 dl 964b 13 9.5 13 700 0.25 5 9.9 24 dl 965b 15 8.5 16 700 0.25 5 11.4 21 dl 966b 16 7.8 17 700 0.25 5 12.2 19 dl 967b 18 7.0 21 750 0.25 5 13.7 17 dl 968b 20 6.2 25 750 0.25 5 15.2 15 dl 969b 22 5.6 29 750 0.25 5 16.7 14 dl 970b 24 5.2 33 750 0.25 5 18.2 13 dl 971b 27 4.6 41 750 0.25 5 20.6 11 dl 972b 30 4.2 49 1000 0.25 5 22.8 10 dl 973b 33 3.8 58 1000 0.25 5 25.1 9.0 dl 974b 36 3.4 70 1000 0.25 5 27.4 8.5 dl 975b 39 3.2 80 1000 0.25 5 29.7 7.8 dl 978b 51 2.5 125 1500 0.25 5 38.8 5.9 dl 979b 56 2.2 150 2000 0.25 5 42.6 5.4 dl 982b 75 1.7 270 2000 0.25 5 56 4.1 note: 1) the zener impedance is derived from the 1khz ac voltage which results when an ac current having an rms value equal to 10% of the zener current (i zt ) is superimposed on i zt zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) valid provided that leads are kept at ambient temperature at a distance of 8mm from case. 3) measured with device junction in thermal equilibrium. DL957B thru dl982b m cc tm micro commercial components w w w. m c c se m i .c om 2 of 3 re vision: 2 2 0 0 9 /0 9 /0 1 downloaded from: http:///
m cc tm micro commercial components w w w. m c c se m i .c om 3 of 3 products are represented on our website, harmless against all damages. ***applications disclaimer*** ***important notice*** aerospace or military applications. products offer by micro commercial components corp . are not intended for use in medical, micro commercial components corp . reserve s the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . micro commercial components corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . the user of products in such applications shall assume all risks of such use and will agree to hold micro commercial components corp . and all the companies whose ordering information device packing (part number)-tp tape&reel; 2.5kpcs/reel re vision: 2 2 0 0 9 /0 9 /0 1 3 downloaded from: http:///
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