LESHAN RADIO COMPANY, LTD.
Zener Voltage Regulators
225 mW SOT–23 Surface Mount
This series of Zener diodes is offered in the convenient, surfacemount plastic SOT–23 package. These devices are designed to providevoltage regulation with minimum space requirement. They are wellsuited for applications such as cellular phones, hand held portables,and high density PC boards.
Specification Features:
LMBZ52xxBLSeries
3
1
2
SOT-23 (TO-236AB)
•••••
225 mW Rating on FR–4 or FR–5 BoardZenerVoltage Range – 2.4 V to 91 V
Small Package Size for High Density Applications
ESD Rating of Class 3 (>16 KV) per Human Body ModelPb-Free Package is available.
3Cathode1Anode
260°C for 10 Seconds
POLARITY:Cathode indicated by polarity bandFLAMMABILITY RATING:UL94 V–0
MAXIMUM RATINGS
Rating
Total Power Dissipation on FR–5 Board,(Note 1) @ TA = 25°CDerated above 25°CThermal Resistance –Junction–to–Ambient
Total Power Dissipation on AluminaSubstrate, (Note 2) @ TA = 25°CDerated above 25°CThermal Resistance –Junction‘to–AmbientJunction and StorageTemperature Range
SymbolPD
2251.8
RqJAPD
3002.4
RqJATJ,Tstg
417–65 to+150
mWmW/°C°C/W°C
556
mWmW/°C°C/W
Max
Unit
xxx= Specific Device CodeM= Date Code
ORDERING INFORMATION
Device*1 LMBZ52xxBLT1 LMBZ52xxBLT1G (Pb-Free) LMBZ52xxBLT3*2 LMBZ52xxBLT3G (Pb-Free)
PackageSOT-23SOT-23SOT-23SOT-23
Shipping3000/Tape&Reel3000/Tape&Reel10,000/Tape&Reel10,000/Tape&Reel
*2LMBZ5233BLT1,LMBZ5246BLT1,
LMBZ5251BLT1, and LMBZ5252BLT1NotAvail-able in 10,000/Tape & Reel.*1 The \"T1\" suffix refers to an 8 mm, 7 inch reel. The \" T3\" suffix refers to an 8 mm, 13 inch reel.The \" G \" suffix refers to Pb-Free package.
1.FR–5 = 1.0 X 0.75 X 0.62 in.
2.Alumina = 0.4 X 0.3 X 0.024 in., 99.5% alumina
LMBZ52xxBLT1–1/6
MMechanical Characteristics:
CASE:Void-free, transfer-molded, thermosetting plastic caseFINISH:Corrosion resistant finish, easily solderable
MAXIMUMCASETEMPERATURE FOR SOLDERING PURPOSES:
MARKING DIAGRAM
xxx
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LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-No Connection, 3-Cathode)(TA = 25°Cunless otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)SymbolVZIZTZZTIZKZZKIRVRIFVF
Parameter
Reverse Zener Voltage @ IZTReverse Current
Maximum Zener Impedance @ IZTReverse Current
Maximum Zener Impedance @ IZKReverse Leakage Current @ VRReverse VoltageForward CurrentForward Voltage @ IF
VZVRIFIIRVFIZTVZener Voltage RegulatorLMBZ52xxBLT1-2/6
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LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
ELECTRICAL CHARACTERISTICS (Pinout: 1-Anode, 2-NC, 3-Cathode)(VF = 0.9 V Max @ IF = 10 mA for all types.)ZenerVoltage(Note 3)DeviceMarking18A18B18C18D18E8A8B8C8D8EVZ (Volts)Min2.282.372.562.662.853.133.423.704.084.46Nom2.42.52.72.833.33.63.94.34.7Max2.522.632.842.943.153.473.784.104.524.94@ IZTmA20202020202020202020Zener ImpedanceZZT @ IZTW30303030292824232219ZZK @ IZKW1200125013001400160016001700190020001900mA0.250.250.250.250.250.250.250.250.250.25Leakage CurrentIR @ VRmA10010075755025151055Volts1111111112DeviceLMBZ5221BLT1LMBZ5222BLT1LMBZ5223BLT1LMBZ5224BLT1LMBZ5225BLT1LMBZ5226BLT1LMBZ5227BLT1LMBZ5228BLT1LMBZ5229BLT1LMBZ5230BLT1LMBZ5231BLT1LMBZ5232BLT1LMBZ5233BLT1*LMBZ5234BLT1LMBZ5235BLT1LMBZ5236BLT1LMBZ5237BLT1LMBZ5238BLT1LMBZ5239BLT1LMBZ5240BLT1LMBZ5241BLT1LMBZ5242BLT1LMBZ5243BLT1LMBZ5244BLT1LMBZ5245BLT1LMBZ5246BLT1*LMBZ5247BLT1LMBZ5248BLT1LMBZ5249BLT1LMBZ5250BLT1LMBZ5251BLT1*LMBZ5252BLT1*LMBZ5253BLT1LMBZ5254BLT1LMBZ5255BLT1LMBZ5256BLT1LMBZ5257BLT1LMBZ5258BLT1LMBZ5259BLT1LMBZ5260BLT1LMBZ5261BLT1LMBZ5262BLT1LMBZ5263BLT1LMBZ5264BLT1LMBZ5265BLT1LMBZ5266BLT1LMBZ5267BLT1LMBZ5268BLT1LMBZ5269BLT1LMBZ5270BLT18F8G8H8J8K8L8M8N8P8Q8R8S8T8U8V8W8X8Y8Z81A81B81C81D81E81F81G81H81J81K81L81M81N81P81Q81R81S81T81U81V81W4.845.325.705.896.467.127.798.268.649.5010.411.4012.3513.3014.2515.2016.1517.1018.0519.0020.9022.8023.7525.6526.6028.5031.3534.2037.0540.8544.6548.4553.2057.0058.9064.6071.2577.9082.6586.455.15.666.26.87.58.28.79.1101112131415161718192022242527283033363943475156606268758287915.365.886.306.517.147.888.619.149.5610.5011.5512.6013.6514.7015.7516.8017.8518.9019.9521.0023.1025.2026.2528.3529.4031.5034.6537.8040.9545.1549.3553.5558.8063.0065.1071.4078.7586.1091.3595.552020202020202020202020209.598.57.87.476.66.25.65.254.64.54.23.83.43.232.72.52.22.121.81.71.51.41.4171177568810172230131516171921232529333541444958708093105125150170185230270330370400160016001600100075050050060060060060060060060060060060060060060060060060060060060070070080090010001100130014001400160017002000220023000.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.255555333333210.50.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1233.54566.56.5788.49.19.91011121314141517181921212325273033363943464752566268693.Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C*Not Available in the 10,0000/Tape & Reel.
LMBZ52xxBLT1-3/6
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LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
TYPICAL CHARACTERISTICS
θVZ, TEMPERATURE COEFFICIENT (mV/°C)876543210–1–2–323456789101112VZ, NOMINAL ZENER VOLTAGE (V)
TYPICAL TCVALUESFORLMBZ5221BLT1 SERIES100
θVZ, TEMPERATURE COEFFICIENT (mV/°C)TYPICAL TCVALUESFORLMBZ5221BLT1 SERIESVZ @ IZTVZ @ IZT10
110VZ, 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)
1000
TJ = 255CIZ(AC) = 0.1 IZ(DC)f = 1 kHz1000
75 V (LMBZ5267BLT1)91 V (LMBZ5270BLT1)ZZT, DYNAMIC IMPEDANCE (Ω)IZ = 1 mA100
IF, FORWARD CURRENT (mA)100
5 mA20 mA10
10
1505C1110VZ, NOMINAL ZENER VOLTAGE
10010.475°C25°C0.60.70°C0.80.91.01.11.20.5VF, FORWARD VOLTAGE (V)
Figure 3. Effect of Zener Voltage on
Zener Impedance
Figure 4. Typical Forward Voltage
LMBZ52xxBLT1-4/6
元器件交易网www.cecb2b.com
LESHAN RADIO COMPANY, LTD.
LMBZ5221BLT1 Series
TYPICAL CHARACTERISTICS
1000
1000
0 V BIAS1 V BIASC, CAPACITANCE (pF)100
IR, LEAKAGE CURRENT (µA)TA = 25°C10010
1
+1505CBIAS AT50% OF VZ NOM10
0.10.010.001
+255C–555C0.0001
1110VZ, NOMINAL ZENER VOLTAGE (V)
1000.00001
0102030405060708090VZ, NOMINAL ZENER VOLTAGE (V)
Figure 5. Typical CapacitanceFigure 6. Typical Leakage Current
100100
TA = 25°CIZ, ZENER CURRENT (mA)IZ, ZENER CURRENT (mA)10
10
TA = 25°C11
0.10.1
0.01
0246VZ, ZENER VOLTAGE (V)
810120.01
103050VZ, ZENER VOLTAGE (V)
7090Figure 7. Zener Voltage versus Zener Current
(VZ Up to 12 V)
Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
LMBZ52xxBLT1-5/6
元器件交易网www.cecb2b.comLESHAN RADIO COMPANY, LTD.LMBZ52xxBLT1 SeriesSOT-23 (TO-236AB)ALNOTES:31. CONTROLLING DIMENSION: MILLIMETERSBS2. LEAD THICKNESS SPECIFIED PER L / F DRAWING WITH12SOLDER PLATING.INCHESMILLIMETERSVGDIMMINMAXMINMAXA0.11020.11972.803.04B0.04720.05511.201.40C0.03500.04400.891.11D0.01500.02000.370.50G0.07010.08071.782.04H0.00050.00400.0130.100J0.00340.00700.0850.177K0.01800.02360.450.60CL0.03500.04010.891.02S0.08300.09842.102.50V0.01770.02360.450.60DHKJSTYLE 11:PIN 1.ANODE2.NO CONNECTION3.CATHODE0.0370.0370.950.950.0792.00.0350.90.031inches0.8mmLMBZ52xxBLT1-6/6
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