1N4728A - 1N4758A Zener Diodes
1N4728A - 1N4758A
Zener Diodes
Tolerance = 5%
DO-41 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings * T = 25C unless otherwise noted
a
Symbol Parameter Value Units
P Power Dissipation 1.0 W
D
@ TL 50C, Lead Length = 3/8
Derate above 50 C 6.67 mW/ C
T , T Operating and Storage Temperature Range -65 to +200 C
J STG
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics T = 25C unless otherwise noted
a
Leakage
Non-Repetitive
V (V) @ I (Note 1) Max. Zener Impedance
Z Z
Current
Test Current
Peak Reverse
Device
I (mA) Current
Z Z @ I Z @ I I V
Z Z ZK ZK R R
Min. Typ. Max.
() I ( ) (mA) (A) (V) I (mA) (Note 2)
ZK
ZSM
1N4728A 3.135 3.3 3.465 76 10 400 1 100 1 1380
1N4729A 3.42 3.6 3.78 69 10 400 1 100 1 1260
1N4730A 3.705 3.9 4.095 64 9 400 1 50 1 1190
1N4731A 4.085 4.3 4.515 58 9 400 1 10 1 1070
1N4732A 4.465 4.7 4.935 53 8 500 1 10 1 970
1N4733A 4.845 5.1 5.355 49 7 550 1 10 1 890
1N4734A 5.32 5.6 5.88 45 5 600 1 10 2 810
1N4735A 5.89 6.2 6.51 41 2 700 1 10 3 730
1N4736A 6.46 6.8 7.14 37 3.5 700 1 10 4 660
1N4737A 7.125 7.5 7.875 34 4 700 0.5 10 5 605
1N4738A 7.79 8.2 8.61 31 4.5 700 0.5 10 6 550
1N4739A 8.645 9.1 9.555 28 5 700 0.5 10 7 500
1N4740A 9.5 10 10.5 25 7 700 0.25 10 7.6 454
1N4741A 10.45 11 11.55 23 8 700 0.25 5 8.4 414
1N4742A 11.4 12 12.6 21 9 700 0.25 5 9.1 380
2009 Semiconductor Components Industries, LLC. Publication Order Number:
1N4736AT/D
October-2017, Rev. 81N4728A - 1N4758A Zener Diodes
Leakage
Non-Repetitive
V (V) @ I (Note 1) Max. Zener Impedance
Z Z
Current
Test Current Peak Reverse
Device
I (mA) Current
Z @ I Z @ I I V
Z
Z Z ZK ZK R R
Min. Typ. Max.
() I ( ) (mA) (A) (V) I (mA) (Note 2)
ZK ZSM
1N4743A 12.35 13 13.65 19 10 700 0.25 5 9.9 344
1N4744A 14.25 15 15.75 17 14 700 0.25 5 11.4 304
1N4745A 15.2 16 16.8 15.5 16 700 0.25 5 12.2 285
1N4746A 17.1 18 18.9 14 20 750 0.25 5 13.7 250
1N4747A 19 20 21 12.5 22 750 0.25 5 15.2 225
1N4748A
20.9 22 23.1 11.5 23 750 0.25 5 16.7 205
1N4749A
22.8 24 25.2 10.5 25 750 0.25 5 18.2 190
1N4750A
25.65 27 28.35 9.5 35 750 0.25 5 20.6 170
1N4751A
28.5 30 31.5 8.5 40 1000 0.25 5 22.8 150
1N4752A
31.35 33 34.65 7.5 45 1000 0.25 5 25.1 135
1N4753A 34.2 36 37.8 7 50 1000 0.25 5 27.4 125
1N4754A 37.05 39 40.95 6.5 60 1000 0.25 5 29.7 115
1N4755A 40.85 43 45.15 6 70 1500 0.25 5 32.7 110
1N4756A 44.65 47 49.35 5.5 80 1500 0.25 5 35.8 95
1N4757A 48.45 51 53.55 5 95 1500 0.25 5 38.8 90
1N4758A 53.2 56 58.8 4.5 110 2000 0.25 5 42.6 80
Notes:
1. Zener Voltage (V )
Z
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T ) at 30 C 1 C and 3/8 lead length.
L
2. 2 Square wave Reverse Surge at 8.3 msec soak time.
Top Mark Information
Device Line 1 Line 2 Line 3 Line 4 Line 5
1N4728A LOGO 47 28 A XY
1N4729A LOGO 47 29 A XY
1N4730A LOGO 47 30 A XY
1N4731A LOGO 47 31 A XY
1N4732A LOGO 47 32 A XY
1N4733A LOGO 47 33 A XY
1N4734A LOGO 47 34 A XY
1N4735A LOGO 47 35 A XY
1N4736A LOGO 47 36 A XY
1N4737A LOGO 47 37 A XY
1N4738A LOGO 47 38 A XY
1N4739A LOGO 47 39 A XY
1N4740A LOGO 47 40 A XY
1N4741A LOGO 47 41 A XY
1N4742A LOGO 47 42 A XY
1N4743A LOGO 47 43 A XY
1N4744A LOGO 47 44 A XY
1N4745A LOGO 47 45 A XY
1N4746A LOGO 47 46 A XY
1N4747A LOGO 47 47 A XY
1N4748A LOGO 47 48 A XY
1N4749A LOGO 47 49 A XY
1N4750A LOGO 47 50 A XY
1N4751A LOGO 47 51 A XY
1N4752A LOGO 47 52 A XY
1N4753A LOGO 47 53 A XY
1N4754A LOGO 47 54 A XY
1N4755A LOGO 47 55 A XY
1N4756A LOGO 47 56 A XY
1N4757A LOGO 47 57 A XY
1N4758A LOGO 47 58 A XY
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