1N4728A_SER_2 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 02 — 30 October 2009 4 of 10
NXP Semiconductors
1N4728A to 1N4749A
Voltage regulator diodes
[1] V
Z
is measured with device at thermal equilibrium while held in clips at 10 mm from body in still air at 25 °C.
[2] Half square wave or equivalent sine wave pulse 1/120 second duration superimposed on I
test
.
Table 8. Characteristics per type
T
j
=25
°
C unless otherwise specified.
Type
number
Working
voltage
V
Z
(V)
[1]
Test
current
I
test
(mA)
Differential
resistance
r
dif
(Ω)
Reverse current
I
R
(µA)
Working
current
I
Z
(mA)
Non-repetitive
peak reverse
current
I
ZSM
(mA)
[2]
at I
test
at I
test
at I
Z
I
Z
(mA)
Nom Max Max Max V
R
(V) Max Max
1N4728A 3.3 76 10 400 1 100 1 276 1380
1N4729A 3.6 69 10 400 1 100 1 252 1260
1N4730A 3.9 64 9 400 1 50 1 234 1190
1N4731A 4.3 58 9 400 1 10 1 217 1070
1N4732A 4.7 53 8 500 1 10 1 193 970
1N4733A 5.1 49 7 550 1 10 1 178 890
1N4734A 5.6 45 5 600 1 10 2 162 810
1N4735A 6.2 41 2 700 1 10 3 146 730
1N4736A 6.8 37 3.5 700 1 10 4 133 660
1N4737A 7.5 34 4 700 0.5 10 5 121 605
1N4738A 8.2 31 4.5 700 0.5 10 6 110 550
1N4739A 9.1 28 5 700 0.5 10 7 100 500
1N4740A 10 25 7 700 0.25 10 7.6 91 454
1N4741A 11 23 8 700 0.25 5 8.4 83 414
1N4742A 12 21 9 700 0.25 5 9.1 76 380
1N4743A 13 19 10 700 0.25 5 9.9 69 344
1N4744A 15 17 14 700 0.25 5 11.4 61 304
1N4745A 16 15.5 16 700 0.25 5 12.2 57 285
1N4746A 18 14 20 750 0.25 5 13.7 50 250
1N4747A 20 12.5 22 750 0.25 5 15.2 45 225
1N4748A 22 11.5 23 750 0.25 5 16.7 41 205
1N4749A 24 10.5 25 750 0.25 5 18.2 38 190
