ZM4732资料

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元器件交易网www.cecb2b.comZM4728 THRU ZM47ZENER DIODESMELFFEATURES ♦Silicon Planar Power Zener Diodes♦For use in stabilizing and clipping circuits with highpower rating.♦Standard Zener voltage tolerance is ±10%. Add suf-fix “A” for ±5% tolerance. Other Zener voltages and tolerances are available upon request.♦These diodes are also available in DO-41 case with the type designation 1N4728 … 1N47.

Cathode Mark.102 (2.6).094 (2.4).022 (0.55).205 (5.2).1 (4.8)Dimensions are in inches and (millimeters)MECHANICALDATACase:MELF Glass CaseWeight:approx. 0.25 g

MAXIMUM RATINGS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOLVALUEUNITZener Current (see Table “Characteristics”)Power Dissipation at Tamb= 25°CJunction TemperatureStorage Temperature Range

PtotTjTS

1.0(1)150– 65 to +150

Watts°C°C

Characteristics at Tamb = 25 °C

SYMBOLMIN.TYP.MAX.UNITThermal ResistanceJunction to Ambient AirForward Voltageat IF= 200 mA

RthJAVF

––

170(1)1.2

°C/WVolts

NOTES:

(1) Valid provided that electrodes are kept at ambient temperature

12/16/98

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ZM4728 THRU ZM47

ELECTRICALCHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

TypeZM4728ZM4729ZM4730ZM4731ZM4732ZM4733ZM4734ZM4735ZM4736ZM4737ZM4738ZM4739ZM4740ZM4741ZM4742ZM4743ZM4744ZM4745ZM4746ZM4747ZM4748ZM4749ZM4750ZM4751ZM4752ZM4753ZM47ZM4755ZM4756ZM4757ZM4758ZM4759ZM4760ZM4761ZM4762ZM4763ZM47

NominalZenervoltage(3)

atIZTVZ(V)3.33.63.94.34.75.15.66.26.87.58.29.1101112131516182022242730333639434751566268758291100

Testcurrent

Maximum Zener impedance(1)ZZTat IZT(Ω)10109987523..04.55.071014162022232530455060708095110125150175200250350

atIZK(mA)1.01.01.01.01.01.01.01.01.00.50.50.50.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.250.25

Maximum

reverse leakage current

at VR(V)1.01.01.01.01.01.02.03.04.05.06.07.07.68.49.19.911.412.213.715.216.718.220.622.825.127.429.732.735.838.842.7.151.756.062.269.276.0

SurgecurrentatTA= 25°CIR(mA)138012601190107097008107306606055505004414380344304285250225205190170150135125115110959080706560555045

Maximumregulatorcurrent(2)IZM(mA)27625223421719317816214613312111010091837669615750413834302725232219181614131211109

IZT(mA)76695853494137343128252321191715.51412.511.510.59.58.57.57.06.56.05.55.04..03.73.33.02.82.5

ZZK(Ω)40040040040050055060070070070070070070070070070070070075075075075075010001000100010001500150015002000200020002000300030003000

IR(µA)1001005010101010101010101010555555555555555555555555

NOTES:

(1) The Zener impedance is derived from the 1KHZAC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZTor IZK)

is superimposed on IZTor IZK. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units(2) Valid provided that electrodes at a distance of 10mm from case are kept at ambient temperature(3) Measured under thermal equilibrium and DC test conditions

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RATINGS AND CHARACTERISTIC CURVES ZM4728 THRU ZM47ZM4728...ZM47

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