MMSZ5221BT1 Series
Preferred Device
Zener Voltage Regulators
500 mW SOD−123 Surface Mount
Three complete series of Zener diodes are offered in the convenient,surface mount plastic SOD−123 package. These devices provide aconvenient alternative to the leadless 34−package style.
Features
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•••••••
500 mW Rating on FR−4 or FR−5 Board
Wide Zener Reverse Voltage Range − 2.4 V to 110 V
Package Designed for Optimal Automated Board AssemblySmall Package Size for High Density ApplicationsGeneral Purpose, Medium Current
ESD Rating of Class 3 (>16 kV) per Human Body ModelPb−Free Packages are Available
1Cathode2Anode21SOD−123CASE 425STYLE 1Mechanical Characteristics
CASE: Void-free, transfer-molded, thermosetting plastic caseFINISH: Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
MARKING DIAGRAM260°C for 10 Seconds
POLARITY: Cathode indicated by polarity bandFLAMMABILITY RATING: UL 94 V−0
xx MxxM= Specific Device Code= Date CodeMAXIMUM RATINGS
RatingTotal Power Dissipation on FR−5 Board,(Note 1) @ TL = 75°CDerated above 75°CThermal Resistance, (Note 2)Junction−to−AmbientThermal Resistance, (Note 2)Junction−to−LeadJunction and Storage Temperature RangeSymbolPDMax5006.7340150−55 to+150UnitORDERING INFORMATIONmWmW/°C°C/W°C/WMMSZ52xxBT3°CDevice**MMSZ52xxBT1MMSZ52xxBT1GPackageSOD−123SOD−123(Pb−Free)SOD−123SOD−123(Pb−Free)Shipping†3000/Tape & Reel3000/Tape & Reel10,000/Tape & Reel10,000/Tape & ReelRqJARqJLTJ, TstgMMSZ52xxBT3GMaximum ratings are those values beyond which device damage can occur.Maximum ratings applied to the device are individual stress limit values (notnormal operating conditions) and are not valid simultaneously. If these limitsare exceeded, device functional operation is not implied, damage may occurand reliability may be affected.
1.FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.2.Thermal Resistance measurement obtained via infrared Scan Method.
**The “T1” suffix refers to an 8 mm, 7 inch reel.The “T3” suffix refers to an 8 mm, 13 inch reel.†For information on tape and reel specifications,including part orientation and tape sizes, pleaserefer to our Tape and Reel Packaging SpecificationsBrochure, BRD8011/D.DEVICE MARKING INFORMATION
See specific marking information in the device markingcolumn of the Electrical Characteristics table on page 3 ofthis data sheet.
Devices listed in bold, italic are ON Semiconductor
Preferred devices. Preferred devices are recommendedchoices for future use and best overall value.
© Semiconductor Components Industries, LLC, 20051
January, 2005 − Rev. 5
Publication Order Number:
MMSZ5221BT1/D
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MMSZ5221BT1 Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)SymbolVZIZTZZTIZKZZKIRVRIFVFParameterReverse Zener Voltage @ IZTReverse CurrentMaximum Zener Impedance @ IZTReverse CurrentMaximum Zener Impedance @ IZKReverse Leakage Current @ VRReverse VoltageForward CurrentForward Voltage @ IFVZVRIRVFIZTVIFIZener Voltage Regulatorhttp://onsemi.com
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MMSZ5221BT1 Series
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)Zener Voltage (Notes 3 and 4)DeviceMarkingVZ (Volts)MinNomMax@ IZTmAZener Impedance (Note 5)ZZT @ IZTWZZK @ IZKWmALeakage CurrentIR @ VRmAVoltsDeviceMMSZ5221BT1, GMMSZ5222BT1MMSZ5223BT1, GMMSZ5224BT1MMSZ5225BT1MMSZ5226BT1, GMMSZ5227BT1, GMMSZ5228BT1, GMMSZ5229BT1, GMMSZ5230BT1, GC1C2C3C4C5D1D2D3D4D52.282.382.572.662.853.143.423.714.094.472.42.52.72.83.03.33.63.94.34.72.522.632.842.943.153.473.784.104.524.94202020202020202020203030303029282423221912001250130014001600160017001900200019000.250.250.250.250.250.250.250.250.250.25100100757550251510551111111112MMSZ5231BT1, GMMSZ5232BT1, GMMSZ5233BT1, GMMSZ5234BT1, GMMSZ5235BT1, GMMSZ5236BT1, GMMSZ5237BT1, GMMSZ5238BT1MMSZ5239BT1, GMMSZ5240BT1, GMMSZ5241BT1MMSZ5242BT1, GMMSZ5243BT1, GMMSZ5244BT1, GMMSZ5245BT1, GE1E2E3E4E5F1F2F3F4F5H1H2H3H4H54.855.325.705.896.467.137.798.278.659.5010.4511.4012.3513.3014.255.15.66.06.26.87.58.28.79.11011121314155.365.886.306.517.147.888.619.149.5610.5011.5512.6013.6514.7015.752020202020202020202020209.59.08.517117756881017223013151616001600160010007505005006006006006006006006006000.250.250.250.250.250.250.250.250.250.250.250.250.250.250.255555333333210.50.10.1233.54566.56.5788.49.19.91011MMSZ5246BT1, GMMSZ5247BT1, GMMSZ5248BT1, GMMSZ5250BT1, GMMSZ5251BT1, GMMSZ5252BT1, GMMSZ5253BT1MMSZ5254BT1, GMMSZ5255BT1, GMMSZ5256BT1, GMMSZ5257BT1, GMMSZ5258BT1, GMMSZ5259BT1, GMMSZ5260BT1, GJ1J2J3J5K1K2K3K4K5M1M2M3M4M515.2016.1517.1019.0020.9022.8023.7525.6526.6028.5031.3534.2037.0540.85161718202224252728303336394316.8017.8518.9021.0023.1025.2026.2528.3529.4031.5034.6537.8040.9545.157.87.47.06.25.65.25.04.64.54.23.83.43.23.017192125293335414449587080936006006006006006006006006006007007008009000.250.250.250.250.250.250.250.250.250.250.250.250.250.250.10.10.10.10.10.10.10.10.10.10.10.10.10.11213141517181921212325273033MMSZ5261BT1, GMMSZ5262BT1MMSZ5263BT1MMSZ5264BT1MMSZ5265BT1, GMMSZ5266BT1, GMMSZ5267BT1, GMMSZ5268BT1, GMMSZ5269BT1MMSZ5270BT1, GMMSZ5272BT1N1N2N3N4N5P1P2P3P4P5R244.6548.4553.2057.0058.9064.6071.2577.9082.6586.45104.54751566062687582879111049.3553.5558.8063.0065.1071.4078.7586.1091.3595.55115.52.72.52.22.12.01.81.71.51.41.41.1105125150170185230270330370400750100011001300140014001600170020002200230030000.250.250.250.250.250.250.250.250.250.250.250.10.10.10.10.10.10.10.10.10.10.136394346475256626869843.The type numbers shown have a standard tolerance of ±5% on the nominal Zener voltage.4.Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30°C $1°C.5.ZZT and ZZK are measured by dividing the AC voltage drop across the device by the ac current applied.The specified limits are for IZ(AC) = 0.1 IZ(dc) with the AC frequency = 1 KHz.
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MMSZ5221BT1 Series
TYPICAL CHARACTERISTICS
qVZ, TEMPERATURE COEFFICIENT (mV/°C)876543210−1−2−3VZ @ IZTTYPICAL TC VALUESFOR MMSZ5221BT1 SERIESqVZ, TEMPERATURE COEFFICIENT (mV/°C)100
TYPICAL TC VALUESFOR MMSZ5221BT1 SERIESVZ @ IZT10
2345678910VZ, NOMINAL ZENER VOLTAGE (V)
11121
10VZ, NOMINAL ZENER VOLTAGE (V)
100Figure 1. Temperature Coefficients(Temperature Range −55°C to +150°C)Figure 2. Temperature Coefficients(Temperature Range −55°C to +150°C)
Ppk, PEAK SURGE POWER (WATTS)1.21.00.80.60.40.20
PD versus TAPD versus TL1000
RECTANGULARWAVEFORM, TA = 25°C100
10
0255075100T, TEMPERATURE (°C)
1251501
0.1110100PW, PULSE WIDTH (ms)
1000Figure 3. Steady State Power DeratingFigure 4. Maximum Nonrepetitive Surge Power
1000ZZT, DYNAMIC IMPEDANCE (W)TJ = 25°CIZ(AC) = 0.1 IZ(DC)f = 1 kHz1000IF, FORWARD CURRENT (mA)75 V (MMSZ5267BT1)91 V (MMSZ5270BT1)IZ = 1 mA5 mA20 mA10
100100
10
150°C1110VZ, NOMINAL ZENER VOLTAGE
10010.40.575°C25°C0°C1.11.20.60.70.80.91.0VF, FORWARD VOLTAGE (V)
Figure 5. Effect of Zener Voltage on
Zener Impedance
Figure 6. Typical Forward Voltage
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MMSZ5221BT1 Series
TYPICAL CHARACTERISTICS
1000
0 V BIAS1 V BIASTA = 25°CIR, LEAKAGE CURRENT (mA)10001001010.10.01+25°C−55°C010203040506070VZ, NOMINAL ZENER VOLTAGE (V)
8090+150°CC, CAPACITANCE (pF)100
BIAS AT50% OF VZ NOM10
0.0010.00011110VZ, NOMINAL ZENER VOLTAGE (V)
1000.00001Figure 7. Typical CapacitanceFigure 8. Typical Leakage Current
100
TA = 25°CIZ, ZENER CURRENT (mA)100
TA = 25°CIZ, ZENER CURRENT (mA)10
10
11
0.10.1
0.01
02468VZ, ZENER VOLTAGE (V)
10120.01
10305070VZ, ZENER VOLTAGE (V)
90Figure 9. Zener Voltage versus Zener Current
(VZ Up to 12 V)
Figure 10. Zener Voltage versus Zener Current
(12 V to 91 V)
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MMSZ5221BT1 Series
PACKAGE DIMENSIONS
SOD−123CASE 425−04ISSUE C
ACH1NOTES:1.DIMENSIONING AND TOLERANCING PER ANSIY14.5M, 1982.2.CONTROLLING DIMENSION: INCH.DIMABCDEHJKINCHESMINMAX0.0550.0710.1000.1120.0370.0530.0200.0280.01−−−0.0000.004−−−0.0060.1400.152MILLIMETERSMINMAX1.401.802.552.850.951.350.500.700.25−−−0.000.10−−−0.153.553.85KB2EJSTYLE 1:PIN 1. CATHODE2. ANODEDSOLDERING FOOTPRINT*
0.910.0361.220.0482.360.0934.190.165SCALE 10:1
mmǓǒinches
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering andMounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further noticeto any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liabilityarising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. Alloperating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rightsnor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applicationsintended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. ShouldBuyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or deathassociated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an EqualOpportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
N. American Technical Support: 800−282−9855 Toll FreeUSA/CanadaJapan: ON Semiconductor, Japan Customer Focus Center2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051Phone: 81−3−5773−3850http://onsemi.com6MMSZ5221BT1/D
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