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 CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT ZENER
SILICON PLANAR POWER ZENER DIODES VOLTAGE RANGE 2.4V TO 91V
MMSZ5221SPT
THRU
MMSZ5270SPT
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 2003-01
NOTES : 1. The JEDEC type numbers listd have a standaerd tolerance on the normal zener voltage of +10%, Suffix B=+5%.Suffix S=+2% 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 ( MMSZ5221SPT THRU MMSZ5270SPT )
Zener voltage VZ (V) @ IZT TYPE Min Volts
MMSZ5221SPT MMSZ5222SPT MMSZ5223SPT MMSZ5224SPT MMSZ5225SPT MMSZ5226SPT MMSZ5227SPT MMSZ5228SPT MMSZ5229SPT MMSZ5230SPT MMSZ5231SPT MMSZ5232SPT MMSZ5233SPT MMSZ5234SPT MMSZ5235SPT MMSZ5236SPT MMSZ5237SPT MMSZ5238SPT MMSZ5239SPT MMSZ5240SPT MMSZ5241SPT MMSZ5242SPT MMSZ5243SPT MMSZ5244SPT MMSZ5245SPT MMSZ5246SPT MMSZ5247SPT MMSZ5248SPT MMSZ5249SPT MMSZ5250SPT MMSZ5251SPT MMSZ5252SPT MMSZ5253SPT MMSZ5254SPT MMSZ5255SPT MMSZ5256SPT MMSZ5257SPT
Test current Max Volts 2.448 2.550 2.754 2.856 3.060 3.366 3.762 3.987 4.386 4.794 5.202 5.712 6.120 6.324 6.936 7.650 8.364 8.874 9.282 10.20 11.22 12.24 13.26 14.28 15.30 16.32 17.34 18.36 19.38 20.40 22.44 24.48 25.50 27.54 28.56 30.60 33.66 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
2.352 2.450 2.646 2.774 2.940 3.234 3.528 3.822 4.214 4.606 4.998 5.488 5.880 6.070 6.664 7.350 8.036 8.526 8.918 9.800 10.78 11.76 12.74 13.72 14.70 15.68 16.66 17.64 18.62 19.60 21.56 23.52 24.50 26.46 27.44 29.40 32.34
ELECTRICAL CHARACTERISTICS ( MMSZ5221SPT THRU MMSZ5270SPT )
Zener voltage VZ (V) @ IZT TYPE Min Volts
MMSZ5258SPT MMSZ5259SPT MMSZ5260SPT MMSZ5261SPT MMSZ5262SPT MMSZ5263SPT MMSZ5264SPT MMSZ5265SPT MMSZ5266SPT MMSZ5267SPT MMSZ5268SPT MMSZ5269SPT MMSZ5270SPT
Test current Max Volts 36.72 39.78 43.86 47.94 52.02 57.12 61.20 63.24 69.36 76.50 83.64 88.74 92.82 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 2000 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 36 39 43 46 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 -
35.28 38.22 42.14 46.06 49.98 54.88 58.80 60.76 66.64 73.50 80.36 85.26 89.18
RATING CHARACTERISTIC CURVES ( MMSZ5221SPT THRU MMSZ5270SPT)
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 MMSZ5221SPT SERIES
COEFFICIENT (mV/ oC)
COEFFICIENT (mV/ oC)
FIG. 2 - TEMPERATURE COEFFICIENTS) (TEMPERATURE RANGE 55oC TO +150oC)
100
TYICAL TC VALUES FOR MMSZ5221SPT 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 (MMSZ5267SPT) 91V (MMSZ5270SPT) 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 ( MMSZ5221SPT THRU MMSZ5270SPT )
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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