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| dated : 09/11/2007 mm1z5221b~mm1z5267b silicon planar zener diodes features ? total power dissipation: max. 500 mw ? small plastic package suitable for surface mounted design ? tolerance approximately 5% absolute maximum ratings (t a = 25 o c) parameter symbol value unit power dissipation p tot 500 mw junction temperature t j 150 o c storage temperature range t s - 55 to + 150 o c characteristics at t a = 25 o c parameter symbol max. unit thermal resistance junction to ambient air r ja 350 o c/w forward voltage at i f = 10 ma v f 0.9 v anode 2 top view simplified outline sod-123 and symbol 1 2 pinning 1 pin cathode description
dated : 09/11/2007 mm1z5221b~mm1z5267b zener voltage range 1) dynamic impedance 2) reverse current v znom l zt for v zt z zt z zk at i zk i r at v r type marking code v ma v ? (max.) ? (max.) ma a (max.) v mm1z5221b a4 2.4 20 2. 28?2.52 30 1200 0.25 100 1 mm1z5223b b4 2.7 20 2. 57?2.84 30 1300 0.25 75 1 mm1z5225b c4 3.0 20 2. 85?3.15 29 1600 0.25 50 1 mm1z5226b d4 3.3 20 3. 14?3.47 28 1600 0.25 25 1 mm1z5227b e4 3.6 20 3. 42?3.78 24 1700 0.25 15 1 mm1z5228b f4 3.9 20 3. 71?4.1 23 1900 0.25 10 1 mm1z5229b h4 4.3 20 4. 09?4.52 22 2000 0.25 5 1 mm1z5230b j4 4.7 20 4. 47?4.94 19 1900 0.25 5 2 mm1z5231b k4 5.1 20 4. 85?5.36 17 1600 0.25 5 2 mm1z5232b m4 5.6 20 5. 32?5.88 11 1600 0.25 5 3 mm1z5234b n4 6.2 20 5. 89?6.51 7 1000 0.25 5 4 mm1z5235b p4 6.8 20 6. 46?7.14 5 750 0.25 3 5 mm1z5236b r4 7.5 20 7. 13?7.88 6 500 0.25 3 6 mm1z5237b x4 8.2 20 7. 79?8.61 8 500 0.25 3 6.5 mm1z5239b y4 9.1 20 8. 65?9.56 10 600 0.25 3 7 mm1z5240b z4 10 20 9.5?10.5 17 600 0.25 3 8 mm1z5241b a5 11 20 10.45? 11.55 22 600 0.25 2 8.4 mm1z5242b b5 12 20 11.4? 12.6 30 600 0.25 1 9.1 mm1z5243b c5 13 9.5 12.35? 13.65 13 600 0.25 0.5 9.9 MM1Z5245B d5 15 8.5 14. 25?15.75 16 600 0.25 0.1 11 mm1z5246b e5 16 7.8 15. 2?16.8 17 600 0.25 0.1 12 mm1z5248b f5 18 7 17.1? 18.9 21 600 0.25 0.1 14 mm1z5249b k9 19 6.6 18. 05?19.95 23 600 0.25 0.1 14 mm1z5250b h5 20 6.2 19?21 25 600 0.25 0.1 15 mm1z5251b j5 22 5.6 20. 9?23.1 29 600 0.25 0.1 17 mm1z5252b k5 24 5.2 22. 8?25.2 33 600 0.25 0.1 18 mm1z5253b m9 25 5 23.75? 26.25 35 600 0.25 0.1 19 mm1z5254b m5 27 4.6 25. 65?28.35 41 600 0.25 0.1 21 mm1z5256b n5 30 4.2 28. 5?31.5 49 600 0.25 0.1 23 mm1z5257b p5 33 3.8 31. 35?34.65 58 700 0.25 0.1 25 mm1z5258b r5 36 3.4 34. 2?37.8 70 700 0.25 0.1 27 mm1z5259b x5 39 3.2 37. 05?40.95 80 800 0.25 0.1 30 mm1z5260b y5 43 3 40.85? 45.15 93 900 0.25 0.1 33 mm1z5261b z5 47 2.7 44. 65?49.35 105 1000 0.25 0.1 36 mm1z5262b a6 51 2.5 48. 45?53.55 125 1100 0.25 0.1 39 mm1z5263b b6 56 2.2 53. 2?58.8 150 1300 0.25 0.1 43 mm1z5265b c6 62 2 58.9? 65.1 185 1400 0.25 0.1 47 mm1z5266b d6 68 1.8 64. 6?71.4 230 1600 0.25 0.1 52 mm1z5267b e6 75 1.7 71. 25?78.75 270 1700 0.25 0.1 56 1) v z is tested with pulses (20 ms) 2) z zt and z zk are measured by dividing the ac voltage drop across t he device by the ac current applied. the specified limits are for i z(ac) = 0.1 i z(dc) with the ac frequency = 1 khz. dated : 09/11/2007 mm1z5221b~mm1z5267b dated : 09/11/2007 mm1z5221b~mm1z5267b package outline plastic surface mounted package; 2 leads sod-123 e mm unit a b c dehv all round d b c a a h h e p p e 1.15 1.05 0.6 0.5 0.135 0.127 2.7 2.6 1.65 1.55 3.9 3.7 0.2 o 5 |
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