0.5W SILICON PLANAR ZENER DIODES ZMM5221 THRU ZMM5262 Features · Standards Zener voltage tolerance is ±20%.Add suffix "A" for ±10% tolerance and suffix "B" for ±5% tolerance other tolerance, non standards and higher zener voltage upon MELF (DO-35) request. · These diode are also available in DO-35 case with type SOLDERABLE ENDS designation 1N5221 thru 1N5262 0.020(0.50) 0.011(0.28) 0.146(3.70) 0.130(3.30) Mechanical Data 0.063(1.60) 0.051(1.30) · Case : MELF(DO-35) glass case · Weight : Approx. 0.05 gram Dimensions in inches and (millimeters) Absolute Maximum Ratings (Limiting Values) (TA=25℃) Symbols Value Units Ptot 5001) mW TJ 175 ℃ Zener current see table "Characteristics" Power dissipation at TA=75℃ Junction Temperature Storage Temperature range TSTG -65 to+175 ℃ 1) Valid provided that electrodes are kept at ambient temperature Electrical Characteristics (TA=25℃) Symbols Thermal resistance junction to ambient Forward voltage at IF=200mA Max. Units RθJA 3001) ℃/W VF 1.1 V 1) Valid provided that electrodes are kept at ambient temperature Min. Typ. ZMM5221...ZMM5262 SILICON PLANAR ZENER DIODES Type Nominal Zener Voltage Test Current at IzT IZT mA at IzT ZZT Ω at Izk=0.25mA ZZK IzT mA VzV Maximum zener impedance1) Typical Temperature Coefficient Maximum Reverse Leakage Current Maximum Regulator Current2) αVZ %/K IR μA Test-Voltage Suffix A VRV Suffix B VRV IZM mA ZMM5221 2.4 20 30 1200 -0.085 100 0.95 1.0 191 ZMM5222 2.5 20 30 1250 -0.085 100 0.95 1.0 182 ZMM5223 2.7 20 30 1300 -0.080 75 0.95 1.0 168 ZMM5224 2.8 20 30 1400 -0.080 75 0.95 1.0 162 ZMM5225 3.0 20 29 1600 -0.075 50 0.95 1.0 152 ZMM5226 ZMM5227 3.3 3.6 20 20 28 24 1600 1700 -0.070 -0.065 25 15 0.95 0.95 1.0 1.0 138 126 ZMM5228 3.9 20 23 1900 -0.060 10 0.95 1.0 115 ZMM5229 4.3 20 22 2000 -0.055 5 0.95 1.0 106 ZMM5230 4.7 20 19 1900 ±0.030 5 1.9 2.0 97 ZMM5231 5.1 20 17 1600 ±0.030 5 1.9 2.0 89 ZMM5232 5.6 20 11 1600 +0.038 5 2.9 3.0 81 ZMM5233 6.0 20 7 1600 +0.038 5 3.3 3.5 76 ZMM5234 ZMM5235 6.2 6.8 20 20 7 5 1000 750 +0.045 +0.050 5 3 3.8 4.8 4.0 5.0 73 67 ZMM5236 7.5 20 6 500 +0.058 3 5.7 6.0 61 ZMM5237 8.2 20 8 500 +0.062 3 6.2 6.5 55 ZMM5238 8.7 20 8 600 +0.065 3 6.2 6.5 52 ZMM5239 9.1 20 10 600 +0.068 3 6.7 7.0 50 ZMM5240 10 20 17 600 +0.075 3 7.6 8.0 45 ZMM5241 11 20 22 600 +0.076 2 8.0 8.4 41 ZMM5242 ZMM5243 12 13 20 9.5 30 13 600 600 +0.077 +0.079 1 0.5 8.7 9.4 9.1 9.9 38 35 ZMM5244 14 9.0 15 600 +0.082 0.1 9.5 10 32 ZMM5245 15 8.5 16 600 +0.082 0.1 10.5 11 30 ZMM5246 16 7.8 17 600 +0.083 0.1 11.4 12 28 ZMM5247 17 7.4 19 600 +0.084 0.1 12.4 13 27 ZMM5248 18 7.0 21 600 +0.085 0.1 13.3 14 25 ZMM5249 19 6.6 23 600 +0.086 0.1 13.3 14 24 ZMM5250 20 6.2 25 600 +0.086 0.1 14.3 15 23 ZMM5251 22 5.6 29 600 +0.087 0.1 16.2 17 21 ZMM5252 24 5.2 33 600 +0.087 0.1 17.1 18 19.1 ZMM5253 25 5.0 35 600 +0.089 0.1 18.1 19 18.2 ZMM5254 27 4.6 41 600 +0.090 0.1 20 21 16.8 ZMM5255 28 4.5 44 600 +0.091 0.1 20 21 16.2 ZMM5256 30 4.2 49 600 +0.091 0.1 22 23 15.1 ZMM5257 ZMM5258 33 36 3.8 3.4 58 70 700 700 +0.092 +0.093 0.1 0.1 24 26 25 27 13.8 12.6 ZMM5259 39 3.2 80 800 +0.094 0.1 29 30 11.6 ZMM5260 43 3.0 93 900 +0.095 0.1 31 33 10.6 ZMM5261 47 2.7 105 1000 +0.095 0.1 34 36 9.7 ZMM5262 51 2.5 125 1100 +0.096 0.1 37 39 8.9 1) The zener impedance is derived from the 1kHz AC voltage which results when on AC current having an RMS value equal to 10% of the Zener current (IzT or IzK) is superimposed on IzT or IzK Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. 2) Vaild provided that leads are kept at ambient temperature at a distance of 8mm from case. 3) Measured with device junction in thermal equilibrium. ZMM5221 THRU ZMM5262 SILICON PLANAR ZENER DIODES Admissible power dissipation versus ambient temperature (Valid provided that electrodes are kept at ambient temperature) ZMM5221... mW 500 Ptot 400 300 200 100 0 0 50 100 150 Tamb 200 250 ℃