CMSZ5221B thru cmsz5261b surface mount silicon zener diode 275mw, 2.4 thru 47 volts 5% tolerance description: the central semiconductor CMSZ5221B series silicon zener diode is a high quality voltage regulator for use in industrial, commercial, entertainment and computer applications. higher voltage devices are available on special order. marking code: see marking codes on electrical characteristics table maximum ratings: (t a =25c) symbol units power dissipation p d 275 mw operating and storage junction temperature t j , t stg -65 to +150 c thermal reistance ja 455 c/w electrical characteristics: (t a =25c) v f =0.9v max @ i f =10ma (for all types) type zener voltage v z @ i zt test current i zt maximum zener impedance z zt @ i zt maximum zener impedance z zk @ i zk maximum reverse current i r @ v r maximum temperature coefficient v z marking code min v nom v max v ma ma a v %/c CMSZ5221B 2.280 2.4 2.520 20 30 1200 0.25 100 1.0 -0.085 8a1 cmsz5222b 2.375 2.5 2.625 20 30 1250 0.25 100 1.0 -0.085 8b1 cmsz5223b 2.565 2.7 2.835 20 30 1300 0.25 75 1.0 -0.080 8c1 cmsz5224b 2.660 2.8 2.940 20 30 1400 0.25 75 1.0 -0.080 8d1 cmsz5225b 2.850 3.0 3.150 20 29 1600 0.25 50 1.0 -0.075 8e1 cmsz5226b 3.135 3.3 3.465 20 28 1600 0.25 25 1.0 -0.070 8ac cmsz5227b 3.420 3.6 3.780 20 24 1700 0.25 15 1.0 -0.065 8bc cmsz5228b 3.705 3.9 4.095 20 23 1900 0.25 10 1.0 -0.060 8cc cmsz5229b 4.085 4.3 4.515 20 22 2000 0.25 5.0 1.0 0.055 8dc cmsz5230b 4.465 4.7 4.935 20 19 1900 0.25 5.0 2.0 0.030 8ec cmsz5231b 4.845 5.1 5.335 20 17 1600 0.25 5.0 2.0 0.030 8fc cmsz5232b 5.320 5.6 5.880 20 11 1600 0.25 5.0 3.0 +0.038 8gc cmsz5233b 5.700 6.0 6.300 20 7.0 1600 0.25 5.0 3.5 +0.038 8hc cmsz5234b 5.890 6.2 6.510 20 7.0 1000 0.25 3.0 4.0 +0.045 8jc cmsz5235b 6.460 6.8 7.140 20 5.0 750 0.25 3.0 5.0 +0.050 8kc cmsz5236b 7.125 7.5 7.875 20 6.0 500 0.25 3.0 6.0 +0.058 8lc cmsz5237b 7.790 8.2 8.610 20 8.0 500 0.25 3.0 6.5 +0.062 8mc cmsz5238b 8.265 8.7 9.135 20 8.0 600 0.25 3.0 6.5 +0.065 8nc cmsz5239b 8.645 9.1 9.555 20 10 600 0.25 3.0 7.0 +0.068 8pc cmsz5240b 9.500 10 10.50 20 17 600 0.25 3.0 8.0 +0.075 8qc cmsz5241b 10.45 11 11.55 20 22 600 0.25 2.0 8.4 +0.076 8rc cmsz5242b 11.40 12 12.60 20 30 600 0.25 1.0 9.1 +0.077 8sc cmsz5243b 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 +0.079 8tc cmsz5244b 13.30 14 14.70 9.0 15 600 0.25 0.1 10 +0.082 8uc sot-323 case r4 (9-february 2010) www.centralsemi.com ? device is halogen free by design
CMSZ5221B thru cmsz5261b surface mount silicon zener diode 275mw, 2.4 thru 47 volts 5% tolerance type zener voltage v z @ i zt test current i zt maximum zener impedance z zt @ i zt maximum zener impedance z zk @ i zk maximum reverse current i r @ v r maximum temperature coefficient v z marking code min v nom v max v ma ma a v %/c cmsz5245b 14.25 15 15.75 8.5 16 600 0.25 0.1 11 +0.082 8vc cmsz5246b 15.20 16 16.80 7.8 17 600 0.25 0.1 12 +0.083 8wc cmsz5247b 16.15 17 17.85 7.4 19 600 0.25 0.1 13 +0.084 8xc cmsz5248b 17.10 18 18.90 7.0 21 600 0.25 0.1 14 +0.085 8yc cmsz5249b 18.05 19 19.95 6.6 23 600 0.25 0.1 14 +0.086 8zc cmsz5250b 19 20 21 6.2 25 600 0.25 0.1 15 +0.086 1a8 cmsz5251b 20.90 22 23.10 5.6 29 600 0.25 0.1 17 +0.087 1b8 cmsz5252b 22.80 24 25.20 5.2 33 600 0.25 0.1 18 +0.088 1c8 cmsz5253b 23.75 25 26.25 5.0 35 600 0.25 0.1 19 +0.089 1d8 cmsz5254b 25.65 27 28.35 4.6 41 600 0.25 0.1 21 +0.090 1e8 cmsz5255b 26.60 28 29.40 4.5 44 600 0.25 0.1 21 +0.091 1f8 cmsz5256b 28.50 30 31.50 4.2 49 600 0.25 0.1 23 +0.091 1g8 cmsz5257b 31.35 33 34.65 3.8 58 700 0.25 0.1 25 +0.092 1h8 cmsz5258b 34.20 36 37.80 3.4 70 700 0.25 0.1 27 +0.093 1j8 cmsz5259b 37.05 39 40.95 3.2 80 800 0.25 0.1 30 +0.094 1k8 cmsz5260b 40.85 43 45.15 3.0 93 900 0.25 0.1 33 +0.095 1l8 cmsz5261b 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 +0.095 1m8 electrical characteristics - continued: (t a =25c) v f =0.9v max @ i f =10ma (for all types) sot-323 case - mechanical outline lead code: 1) anode 2) no connection 3) cathode www.centralsemi.com r4 (9-february 2010)
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