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5 Pages
1N4728 - 1N4753
Course: GEL 21947, Fall 2009School: Northwestern State...
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through 1N4728A 1N4753A Silicon Epitaxial Planar Zener Diodes for Stabilized Power Supply ADE-208-136A (Z) Rev. 1 Features Glass package DO-41 structure ensures high reliability. Wide spectrum from 3.3V through 36V of zener voltage provide flexible application. Ordering Information Type No. 1N4728A through 1N4753A Mark Type No. Package Code DO-41 Outline 1 Type No. Cathode band 2 1. Cathode 2. Anode...
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through 1N4728A 1N4753A
Silicon Epitaxial Planar Zener Diodes for Stabilized Power Supply
ADE-208-136A (Z) Rev. 1 Features
Glass package DO-41 structure ensures high reliability. Wide spectrum from 3.3V through 36V of zener voltage provide flexible application.
Ordering Information
Type No. 1N4728A through 1N4753A Mark Type No. Package Code DO-41
Outline
1 Type No. Cathode band
2
1. Cathode 2. Anode
1N4728A through 1N4753A
Absolute Maximum Ratings (Ta = 25C)
Item Power dissipation Junction temperature Storage temperature Note 1. See Fig.3 Symbol Pd Tj Tstg
*1
Value 1.0 200 65 to +200
Unit W C C
2
1N4728A through 1N4753A
Electrical Characteristics (Ta = 25C)
VZ (V)*1
Test Condition
IR (A)
Test Condition
ZZT ()
Test Condition
ZZK ()
Test Condition
I RSM (mA)*2
Max
IZ (mA)
Max 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
VR (V) 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
Max 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
IZT (mA) 76 69 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14.0 12.5 11.5 10.5 9.5 8.5 7.5 7.0
Max 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
IZK (mA) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 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
Max 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125
1N4728A 3.3 5 (%) 76 1N4729A 3.6 5 (%) 69 1N4730A 3.9 5 (%) 64 1N4731A 4.3 5 (%) 58 1N4732A 4.7 5 (%) 53 1N4733A 5.1 5 (%) 49 1N4734A 5.6 5 (%) 45 1N4735A 6.2 5 (%) 41 1N4736A 6.8 5 (%) 37 1N4737A 7.5 5 (%) 34 8.2 1N4738A 5 (%) 31 1N4739A 9.1 5 (%) 28 1N4740A 10 5 (%) 25 1N4741A 11 5 (%) 23 1N4742A 12 5 (%) 21 1N4743A 13 5 (%) 19 1N4744A 15 5 (%) 17 1N4745A 16 5 (%) 15.5 1N4746A 18 5 (%) 14.0 1N4747A 20 5 (%) 12.5 1N4748A 22 5 (%) 11.5 1N4749A 24 5 (%) 10.5 1N4750A 27 5 (%) 1N4751A 30 5 (%) 1N4752A 33 5 (%) 1N4753A 36 5 (%) Note Note 9.5 8.5 7.5 7.0
1. Tested with DC 2. t=1/120 sec reverse direction 1pulse
3
1N4728A through 1N4753A
Main Characteristic
1N4730A 1N4730A 1N4732A 1N4734A 1N4736A 1N4738A 1N4739A 1N4740A
100
Zener Current I Z (mA)
80
60
1N4749A
1N4746A
1N4747A
1N4748A
1N4750A
1N4751A
1N4752A
20
0 10 20 Zener Voltage VZ (V) Fig.1 Zener current Vs.Zener voltage 30 40
1N4728A
0.10
50 %/C 40 30 20 mV/C 10 0 10 20 30 40 0 10 20 30 50 40
1.0
Zener Voltage Temperature Coefficient z (%/C)
0.08 0.06 0.04 0.02 0
Zener Voltage Temperature Coefficient z (mV/C)
0.8
1N4753A
40
1N4 741 1N4 A 742 A 743 A 1N 1N4 4744A 745 A
1N4
10mm land 20mm land
Power Dissipation P (W) d
0.6
0.02 0.04 0.06 0.08 0.1 Zener Voltage V Z (V)
0.4
3/8inch 10 mm or 20mm
0.2
Printed circuit board 100 180 1.6t mm Material: Glass epoxy
0 0 50 100 150 Ambient Temperature Ta (C) 200
Fig.2 Temperature Coefficient Vs.Zener voltage
Fig.3 Power Dissipation Vs. Ambient Temperature
4
1N4728A through 1N4753A
Main Characteristic
10
4
Nonrepetitive Surge Reverses Power PRSM (W)
PRSM t 10
3
Ta = 25C nonrepetitive
1N4730A
10
2
1N4734A
10
1N4740A
1.0
105
10
4
10 Time t (s)
3
10
2
10
1
1.0
Fig.4 Surge Reverse Power Ratings 10
3
Transient Thermal Impedance Z th (C/W)
10
2
1N4730A 1N4734A 1N4740A
10
1.0 10 3
10 2
10
1
1.0 Time t (s)
10
102
10
3
Fig.5 Transient Thermal Impedance
5
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