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| CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT ZENER SILICON PLANAR POWER ZENER DIODES VOLTAGE RANGE 2.4V TO 91V MMSZ5221BPT THRU MMSZ5270BPT FEATURE * * * * * * * Small surface mounting type. (SC-79/SOD-523) High temperature soldering type. ESD rating of class 3(>16 kV) per human body model. Silicon planar zener diodes. Silcon-oxide passivated junction. Low temperature coefficient voltage 500 mW Rating on FR-4 or FR-5 Board (1) SC-79/SOD-523 Cathode (2) MECHANICAL * SC-79/SOD-523 Packaging. * Cathode indicated by polarity band. * Mounting position: Any. 0.25~0.35 0.75~0.85 1.1~1.3 0.5~0.77 0.07~0.17 CIRCUIT (2) 1.5~1.7 (1) Dimensions in millimeters SC-79/SOD-523 MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Zener Current ( see Table "Characteristics" ) Max. Steady State Power Dissipation Max. Operating Temperature Range Storage Temperature Range @TA=25oC SYMBOL PD TJ TSTG VALUE 225 -65 to +150 -65 to +150 UNITS mW o C C o ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Thermal Resistance Junction to Ambient Max. Instantaneous Forward Voltage at IF= 10mA SYMBOL R JA MIN. - TYP. - MAX. 556 0.9 UNITS o C/W VF Volts 2002-10 NOTES : 1. The JEDEC type numbers listd have a standaerd tolerance on the normal zener voltage of +10%, Suffix B=+5%. 2. The zener impedance is derived from 1KHz AC voltage, which results when an AC current having an RMS value equal to 10% of DC 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 to eliminate unstable units. 3. Valid provided that electrodes at distance of 10mm from case are kept ambient temperature. 4. Measured under thermal equilibrium and DC test conditions. 5. The rating listd in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current, IZT, per JEDEC registration. ELECTRICAL CHARACTERISTICS ( MMSZ5221BPT THRU MMSZ5270BPT ) Zener voltage VZ (V) @ IZT TYPE Min Volts MMSZ5221BPT MMSZ5222BPT MMSZ5223BPT MMSZ5224BPT MMSZ5225BPT MMSZ5226BPT MMSZ5227BPT MMSZ5228BPT MMSZ5229BPT MMSZ5230BPT MMSZ5231BPT MMSZ5232BPT MMSZ5233BPT MMSZ5234BPT MMSZ5235BPT MMSZ5236BPT MMSZ5237BPT MMSZ5238BPT MMSZ5239BPT MMSZ5240BPT MMSZ5241BPT MMSZ5242BPT MMSZ5243BPT MMSZ5244BPT MMSZ5245BPT MMSZ5246BPT MMSZ5247BPT MMSZ5248BPT MMSZ5249BPT MMSZ5250BPT MMSZ5251BPT MMSZ5252BPT MMSZ5253BPT MMSZ5254BPT MMSZ5255BPT MMSZ5256BPT MMSZ5257BPT Test current Max Volts 2.520 2.625 2.835 2.940 3.150 3.465 3.780 4.095 4.515 4.935 5.355 5.880 6.300 6.510 7.140 7.875 8.610 9.135 9.555 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.10 25.20 26.25 28.35 29.40 31.50 34.65 IZT (mA) 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Maximum Zener impedance Nom Volts 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 ZZT at IZT () 100 100 100 100 95 95 90 90 88 70 50 25 25 10 8 7 7 7 10 15 18 22 25 25 32 36 36 42 42 48 55 62 62 70 44 78 88 ZZK () 1800 1800 1900 1900 2000 2200 2300 2400 2500 2200 2050 1800 1800 1300 750 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 at IZK (mA) 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Maximum Type Maximum reverse leakage current temperature regulator coefficient current at at o IR at VR TA= 25 C TA= 50oC o (uA) (V) VZ (%/ C) IZM (mA) 100 100 75 75 50 25 15 10 5 3 2 5 5 1 1 0.5 0.5 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 1 1 1 1 1 1 1 1 1 1.5 2 3 3 4 5.2 6 6.5 6.5 7 8 8.4 9.1 9.9 10 11 12 13 14 14 16 17 18 19 21 21 23 25 -0.085 -0.085 -0.080 -0.080 -0.075 -0.070 -0.065 -0.060 -0.055 +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 +0.088 +0.089 +0.090 +0.091 +0.091 +0.092 190 182 168 162 152 138 126 115 106 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 2.280 2.375 2.565 2.660 2.850 3.135 3.420 3.705 4.085 4.465 4.845 5.320 5.700 5.890 6.460 7.125 7.790 8.265 8.645 9.500 10.45 11.40 12.35 13.30 14.25 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 ELECTRICAL CHARACTERISTICS ( MMSZ5221BPT THRU MMSZ5270BPT ) Zener voltage VZ (V) @ IZT TYPE Min Volts MMSZ5258BPT MMSZ5259BPT MMSZ5260BPT MMSZ5261BPT MMSZ5262BPT MMSZ5263BPT MMSZ5264BPT MMSZ5265BPT MMSZ5266BPT MMSZ5267BPT MMSZ5268BPT MMSZ5269BPT MMSZ5270BPT Test current Max Volts 37.80 40.95 45.15 49.35 53.55 58.80 63.00 65.10 71.40 78.75 86.10 91.35 95.55 IZT (mA) 5 5 3.0 2.7 2.5 2.2 2.1 2.0 1.8 1.7 1.5 1.4 1.4 Maximum Zener impedance Nom Volts 36 39 43 47 51 56 60 62 68 75 82 87 91 ZZT at IZT () 95 130 93 105 125 150 170 185 230 270 330 370 400 ZZK () 700 800 900 1000 1100 1300 1400 1400 1600 1700 2000 2200 2300 at IZK (mA) 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Maximum Type Maximum reverse leakage current temperature regulator coefficient current at at o IR at VR TA= 25 C TA= 50oC o (uA) (V) VZ (%/ C) IZM (mA) 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 27 30 33 36 39 43 46 47 52 56 62 68 69 +0.093 +0.094 +0.095 +0.095 +0.096 +0.096 +0.097 +0.097 +0.097 +0.098 +0.098 +0.099 +0.099 13.8 12.6 11.6 10.6 9.7 8.9 11.6 - 34.20 37.05 40.85 44.65 48.45 53.20 57.00 58.90 64.60 71.25 77.90 82.65 86.45 RATING CHARACTERISTIC CURVES ( MMSZ5221BPT THRU MMSZ5270BPT ) FIG. 1 - TEMPERATURE COEFFICIENTS) (TEMPERATURE RANGE 55oC TO +150oC) 8 7 6 5 4 3 2 1 0 -1 -2 -3 VZ @ IZT TYPICAL TC VALUES FOR MMSZ5221BPT SERIES COEFFICIENT (mV/ oC) COEFFICIENT (mV/ oC) FIG. 2 - TEMPERATURE COEFFICIENTS) (TEMPERATURE RANGE 55oC TO +150oC) 100 TYICAL TC VALUES FOR MMSZ5221BPT SERIES VZ @ IZT 10 VZ,TEMPERATURE VZ,TEMPERATURE 2 3 4 5 6 7 8 9 10 11 12 1 10 100 VZ NOMINAL ZENER VOLTAGE ( V ) VZ NOMINAL ZENER VOLTAGE ( V ) FIG. 3 - EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE 1000 1000 FIG. 4 - TYPICAL FORWARD VOLTAGE ZZT DYNAMIC IMPEDANCE( IZ= 1mA 100 5mA IF,FORWARD CURRENT (mA) TJ=25oC IZ(AC)=0.1IZ(DC) f=1KHZ ) 75V (MMSZ5267BPT) 91V (MMSZ5270BPT) 100 20mA 10 10 150oC 75oC 25oC 0o C 1 1 10 100 1 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 VZ NOMINAL ZENER VOLTAGE ( V ) VF FORWARD VOLTARGE ( V ) RATING CHARACTERISTIC CURVES ( MMSZ5221BPT THRU MMSZ5270BPT ) FIG. 5 - TYPICAL CAPACITANCE 1000 TA=25oC 0 V BIAS 1 V BIAS FIG. 6 - TYPICAL LEAKAGE CURRENT 1000 IR,LEAKAGE CURRENT (uA) 100 10 1 0.1 0.01 0.001 0.0001 0.00001 0 10 20 30 40 50 60 25oC -55oC 150oC C, CAPACITANCE (pF) 100 BIAS AT 50% OF VZ NOM 10 1 1 10 100 70 80 90 VZ NOMINAL ZENER VOLTAGE ( V ) VZ NOMINAL ZENER VOLTAGE ( V ) FIG. 7 - ZENER VOLTAGE VERSUS ZENER CURRENT (VZ UP TO 12V) 100 TA=25oC FIG. 8 - ZENER VOLTAGE VERSUS ZENER CURRENT (12V TO 91V) 100 TA=25oC IZ ZENER CURRENT (mA) 10 IZ,ZENER CURRENT 0 2 4 6 8 10 12 10 1 1 0.1 0.1 0.01 0.01 10 30 50 70 90 VZ ZENER VOLTAGE ( V ) VZ ZENER VOLTAGE ( V ) |
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