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| ZMM5221 THRU ZMM5262 Features * Standards Zener voltage tolerance is 3/420%.Add suffix "A" for 3/410% tolerance and suffix "B" for 3/45% tolerance other tolerance, non standards and higher zener voltage upon request. * These diode are also available in DO-35 case with type designation 1N5221 thru 1N5262 0.5W SILICON PLANAR ZENER DIODES MELF (DO-35) SOLDERABLE ENDS 0.020(0.50) 0.011(0.28) Mechanical Data * Case : MELF(DO-35) glass case * Weight : Approx. 0.05 gram 0.146(3.70) 0.130(3.30) 0.063(1.60) 0.051(1.30) Dimensions in inches and (millimeters) Absolute Maximum Ratings (Limiting Values) (TA=25E ) Symbols Value 5001) 175 -65 to+175 Units mW E E Zener current see table "Characteristics" Power dissipation at TA=75E Junction Temperature Storage Temperature range 1) Valid provided that electrodes are kept at ambient temperature Ptot TJ TSTG Electrical Characteristics (TA=25E ) Symbols Min. Typ. Max. 3001) 1.1 Units E /W V Thermal resistance junction to ambient Forward voltage at IF=200mA Re JA VF 1) Valid provided that electrodes are kept at ambient temperature ZMM5221...ZMM5262 SILICON PLANAR ZENER DIODES Nominal Zener Voltage Test Current Maximum zener impedance1) at IzT ZZT O 30 30 30 30 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 Typical Temperature Coefficient Maximum Reverse Leakage Current Test-Voltage Suffix A VRV 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 1.9 1.9 2.9 3.3 3.8 4.8 5.7 6.2 6.2 6.7 7.6 8.0 8.7 9.4 9.5 10.5 11.4 12.4 13.3 13.3 14.3 16.2 17.1 18.1 20 20 22 24 26 29 31 34 37 Maximum Regulator Current2) Type ZMM5221 ZMM5222 ZMM5223 ZMM5224 ZMM5225 ZMM5226 ZMM5227 ZMM5228 ZMM5229 ZMM5230 ZMM5231 ZMM5232 ZMM5233 ZMM5234 ZMM5235 ZMM5236 ZMM5237 ZMM5238 ZMM5239 ZMM5240 ZMM5241 ZMM5242 ZMM5243 ZMM5244 ZMM5245 ZMM5246 ZMM5247 ZMM5248 ZMM5249 ZMM5250 ZMM5251 ZMM5252 ZMM5253 ZMM5254 ZMM5255 ZMM5256 ZMM5257 ZMM5258 ZMM5259 ZMM5260 ZMM5261 ZMM5262 at IzT VzV IZT mA 20 20 20 20 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 at Izk=0.25mA ZZK IzT mA 1200 1250 1300 1400 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 a %/K VZ -0.085 -0.085 -0.080 -0.080 -0.075 -0.070 -0.065 -0.060 -0.055 3/40.030 3/40.030 +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 IR iA 100 100 75 75 50 25 15 10 5 5 5 5 5 5 3 3 3 3 3 3 2 1 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 Suffix B VRV 1.0 1.0 1.0 1.0 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 IZM mA 191 182 168 162 152 138 126 115 106 97 89 81 76 73 67 61 55 52 50 45 41 38 35 32 30 28 27 25 24 23 21 19.1 18.2 16.8 16.2 15.1 13.8 12.6 11.6 10.6 9.7 8.9 2.4 2.5 2.7 2.8 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 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) mW 500 ZMM5221... Ptot 400 300 200 100 0 0 50 100 150 200 250 E Tamb |
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