ZMM5251B

ZMM5221B THRU ZM5267B 0.5W SILICON PLANAR ZENER DIODES FEATURES MINI-MELF Silicon planar power zener diodes. Standard zener voltage tolerance is ±5% with a "B" suffix, and ±10% with a "A" suffix.Other tolerances are available upon request. 0.063(1.6) 0.055(1.4) MECHANICAL DATA 0.142(3.6) 0.134(3.4) 0.019(0.48) 0.011(0.28) ＳＭ ＩＣ ＲＯ 　Ｓ ｅｍ ｉｃ ｏｎ ｄｕ ｃｔ ｏｒ Case:JEDEC MINI-MELF,glass case. Terminals: Solderable per MIL-STD-202,Method 208 Dimensions in inches and (millimeters) Polarity: Color band denotes cathods end Weight: approx.0.031 gram Mounting position: any Maximum Ratings and Thermal Characteristics (TA=25ć unless otherwise noted) Symbol Value Unit Power dissipation at Tamb=75ć (Note 1) Ptot 500.0 mW Maximum thermal resistance junction to ambient (Note 1) RJA 300 K/W TJ 175 ć Storage temperature range TSTG -55 to +175 ć Forward voltage at IF=200mA VF 1.1 V Parameter Zener current (see Table "Characteristics") Junction temperature NOTE:1˅ Valid provided that electrodes are kept at ambient temperature. ｗｗｗ．ｊｓｍｓｅｍｉ．ｃｏｍ 第１／３页 ZMM5221B THRU ZM5267B 0.5W SILICON PLANAR ZENER DIODES ELECTRICAL CHARACTERISTICS(Ratings at 25ć ambient temperature unless otherwise specified) TYPE Maximum zener impedance Nominal zener voltage Typical temperature coefficient Maximum reverse leakage current Maximum DC zener current IR @ VR IZM IZT ZZT @ IZT ZZK @ IZK ĮV Z ZMM5221B ZMM5222B ZMM5223B ZMM5224B (V) 2.4 2.5 2.7 2.8 (m A) 20 20 20 20 (ȍ) 30 30 30 30 (ȍ) 1200 1250 1300 1400 %/ć -0.085 -0.085 -0.080 -0.080 ( A) 100 100 75 75 (V) 1.0 1.0 1.0 1.0 (m A) 185 180 165 160 ZMM5225B ZMM5226B ZMM5227B ZMM5228B ZMM5229B ZMM5230B ZMM5231B ZMM5232B ZMM5233B ZMM5234B ZMM5235B ZMM5236B ZMM5237B ZMM5238B ZMM5239B ZMM5240B ZMM5241B ZMM5242B ZMM5243B ZMM5244B ZMM5245B ZMM5246B ZMM5247B ZMM5248B ZMM5249B ZMM5250B ZMM5251B ZMM5252B ZMM5253B ZMM5254B ZMM5255B ZMM5256B ZMM5257B ZMM5258B ZMM5259B ZMM5260B ZMM5261B ZMM5262B ZMM5263B ZMM5264B ZMM5265B ZMM5266B ZMM5267B 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 56 60 62 68 75 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.1 2.0 1.8 1.7 29 28 24 23 22 19 17 11 7 7 5 6 8 8 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 150 170 185 230 270 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800 900 1000 1100 1300 1400 1400 1600 1700 -0.075 -0.070 -0.065 -0.060 -0.055 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 43 46 47 52 56 151 138 126 115 106 97 89 81 76 73 67 61 55 52 50 45 41 38 35 32 30 28 27 25 24 23 21.2 19.1 18.2 16.8 16.2 15.1 13.8 12.6 11.5 10.6 9.7 8.9 ｃｔ ｄｕ ｏｎ ｉｃ ｅｍ 　Ｓ ＭＩ ＣＲ Ｏ ＪＳ ±0.030 ±0.030 +0.038 +0.038 +0.045 +0.050 +0.058 +0.062 +0.065 +0.068 +0.075 +0.076 +0.077 +0.079 +0.082 +0.082 +0.083 +0.084 +0.085 +0.086 +0.086 +0.087 +0.087 +0.089 +0.090 +0.091 +0.091 +0.092 +0.093 +0.094 +0.095 +0.095 +0.096 +0.096 +0.097 +0.097 +0.097 +0.098 ｗｗｗ．ｊｓｍｓｅｍｉ．ｃｏｍ ｏｒ VZ @ IZT - 第２／３页 ZMM5221B THRU ZM5267B 0.5W SILICON PLANAR ZENER DIODES FIG.1 -- BREAKDOWN CHARACTERISTICS mA 5 50 15 20 25 30 V 40 Test current Iz=20mA ｔｏ 30 ｒ IZ 10 ｕｃ 20 ｃｏ ｍｉ VZ ZMM5252 ZMM 5250 ZMM 5245 ZMM 5242 ZMM 5241 ZMM5239 ZMM5235 ZMM5234 ZMM5232 ZMM5231 ZMM5230 ZMM5229 ZMM5224 ZMM5228 0 ｎｄ 10 Ｓｅ FIG.2 -- ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE mW ＲＯ 　 500 ＪＳ ＭＩ Ｃ 400 Ptot 300 200 100 0 0 100 Tamb ｗｗｗ．ｊｓｍｓｅｍｉ．ｃｏｍ 200ć 第３／３页