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ZENER DIODES 1N47-SERIES
RoHS Compliant Product A suffix of "-C" specifies halogen-free
1W , 5%
Device Type
Nominal Zener Voltage Vz at Izt* Volts 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10.0 11.0 12.0 13.0 15.0 16.0 18.0 20.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0
Test Current IzT
Maximum Zener Impedance ZzT at IzT Zzk at Izk IzK mA 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.50 0.50 0.50 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 Reverse Leakage Current IR A 100 100 50 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
Surge Maximum Current Regulator IR Current IzM Test- Voltage at Ta=25oC suffix B Volts 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 mA 1380 1260 1170 1085 965 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 mA 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 13 12 11 10 9
1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A 1N4758A 1N4759A 1N4760A 1N4761A 1N4762A 1N4763A 1N4764A
mA 76.0 69.0 64.0 58.0 53.0 49.0 45.0 41.0 37.0 34.0 31.0 28.0 25.0 23.0 21.0 19.0 17.0 15.5 14.0 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5
10 10 9 9 8 7 5 2 3.5 4 4.5 5 7 8 9 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350
400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000
STANDARD VOLTAGE TOLERANCE IS 10% AND : SUFFIX "A" FOR 5% OTHER TOLERANCES UPON REQUEST. ZENER DIODE NUMBERING SYSTEM : 1N4731 A 1* 2*
1* TYPE NO. 2* TOLERANCE OF VZ 3* e.g., 1N4731A=4.3V5% * Measured with pulses tp = 40m SEC.
01-Jun-2002 Rev. A
Page 1 of 2
ZENER DIODES 1N47-SERIES
Absolute Maximum Ratings Symbol Value Unit Zener Current see Table "Characteristics" Ptot 1* mW Power Dissipation at Tamb=25oC o Junction Temperature Tj 200 C o Operating Temperature Range -50 to +150 C o Storage Temperature Range Ts -65 to +175 C *Valid provided that leads at a distance of 10mm from case are kept aat ambient temperature Cases:DO-41 Molded Glass Characteristic at Tamb=25oC Symbol Min. Typ. Max. Unit Thermal Resistance RthA 170* K/mW Junction to Ambient Air Forward Voltage VF V 1.2 at IF=200mA *Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
Breakdown Characteristics
1N47-SERIES
mA
100
5
10
15
20
25
30
V
Iz
80
60
40
20
0
Changes in the power dissipation due to the ambient temperature 1000
1N4728
1N4732 1N4731
1N4733
1N4735
1N4739
1N4729...
0.1
1N4741
1N4742
1N4744
1N4747
1N4748
1N4749
1N4750
Vz
DO-41
O 2.6
pd(mW) Power dissipation
800
0.5
400 200 0
62.5
100
200
O
O 0.8
Ta( C) Ambient Temperature
Dimensions in mm
01-Jun-2002 Rev. A Page 2 of 2
5.1 0.1
0.05
600

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