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1SMA4753 Dataheets PDF



Part Number 1SMA4753
Manufacturers UPM
Logo UPM
Description SURFACE MOUNT SILICON ZENER DIODE
Datasheet 1SMA4753 Datasheet1SMA4753 Datasheet (PDF)

UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Features * For surface mounted applications in order to optimize board space. * Low profile package * Built-in strain relief * Glass passivated junction * Low inductance * Typical IR less than 5.0 above 11V * Plastic package has Underwriters Laboratory Flammability Classification 94V-O * High temperature soldering : 260°C /10 seconds at terminals * Both normal and Pb free product are available : N.

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UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Features * For surface mounted applications in order to optimize board space. * Low profile package * Built-in strain relief * Glass passivated junction * Low inductance * Typical IR less than 5.0 above 11V * Plastic package has Underwriters Laboratory Flammability Classification 94V-O * High temperature soldering : 260°C /10 seconds at terminals * Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above .062(1.60) .047(1.20) SMA/DO-214AC .114(2.90) .098(2.50) .181(4.60) .157(4.00) .012(.305) .006(.152) .096(2.44) .078(2.00) Mechanical Data Case: JEDEC DO-214AC,Molded plastic over passivated junction. Terminals: Solder plated,solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes positive end (cathode) Standard Packaging:12mm tape (EIA-481) Weight: 0.002 ounce, 0.064 gram Maximum Ratings and Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. .060(1.52) .030(0.76) .008(.203) .002(.051) .208(5.28) .188(4.80) Dimensions in millimeters Parameter Pwak Pulse Power Dissipation on TA=50OC (Notes A) Derate above 50OC Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Operating Junction and Storage Temperature Range Symbol PD IFSM TJ,TS TG Value 1.0 6.67 10 -55 to + 150 Unit s W atts mW/ OC Amps OC NOTES: 1. Mounted on 5.0mm2 (.013mm thick) land areas. 2. Measured on8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum. 3. Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener voltage of ± 5%. Http://www.upm.com.tw E -mail:[email protected] UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Part Number 1.0 Watt ZENER Nominal Zener Voltage Nom. V VZ @ IZT Min. V Max. V 1SMA4741 11 10.5 11.6 1SMA4742 12 11.4 12.6 1SMA4743 13 12.4 13.7 1SMA4744 15 14.3 15.8 1SMA4745 16 15.2 16.8 1SMA4746 18 17.1 18.9 1SMA4747 20 19.0 21.0 1SMA4748 22 20.9 23.1 1SMA4749 24 22.8 25.2 1SMA4750 27 25.7 28.4 1SMA4751 30 28.5 31.5 1SMA4752 33 31.4 34.7 1SMA4753 36 34.2 37.8 1SMA4754 39 37.1 41.0 Maxi mum Zener Impedance ZZT @ IZT Ohms IZT mA ZZK @ IZK Ohms IZK mA 8.0 23.0 700 0.25 9.0 21.0 700 0.25 10.0 19.0 700 0.25 14.0 17.0 700 0.25 16.0 15.5 700 0.25 20.0 14.0 750 0.25 22.0 12.5 750 0.25 23.0 11.5 750 0.25 25.0 10.5 750 0.25 35.0 9.5 750 0.25 40.0 8.5 1000 0.25 45.0 7.5 1000 0.25 50.0 7.0 1000 0.25 60.0 6.5 1000 0.25 Leakage Current IR @ VR uA V Ma rk i ng Code 0.1 8.4 741B 0.1 9.1 742B 0.1 9.9 743B 0.1 11.4 744B 0.1 12.2 745B 0.1 13.7 746B 0.1 15.2 747B 0.1 16.7 748B 0.1 18.2 749B 0.1 20.6 750B 0.1 22.8 751B 0.1 25.1 752B 0.1 27.4 753B 0.1 29.7 754B PD, MAXIMUM POWER DISSIPATION (WATTS) Rating And Characteristic Curves 1.0 0.75 0.5 L=LEAD LENGTH TO HEAT SINK 0.25 0 0 20 40 60 80 100 120 140 160 180 200 TL, LEAD TEMPERATURE (OC) Fig.1 Power Temperature Derating Curve Http://www.upm.com.tw E -mail:[email protected] UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Fig.2 Temperature Coeficients (-55oC To +150oC Temperature Range; 90% Of The Units Are In The Ranges Indicated.) Fig.3 Typical Thermal Resistance Versus Lead Length Fig.4 Effect Of Zener Current Http://www.upm.com.tw Fig.5 Maximum Surge Power E -mail:[email protected] UPM 1SMA4741~1SMA4754 SURFACE MOUNT SILICON ZENER DIODE Voltage Range 11-39 Volts Power 1.0mWatts Fig.6 Effect Of Zener Current On Zener Impedance Fig.7 Effect Of Zener Voltage On Zener Impedance Vz, ZENER VOLTAGE (VOLTS) Fig.9 Typical Capacitance Versus Vz m Fig.8 Typical Leakage Current Http://www.upm.com.tw Fig.10 Typical Forward Characteristics E -mail:[email protected] .


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