1N4728A THRU 1N4764A
SILICON ZENER DIODES
1.0 WATT, 3.3 THRU 100 VOLT
5% TOLERANCE
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 1N4728A series
silicon Zener diode is a highly reliable voltage regulator
designed for use in industrial, commercial, entertainment
and computer applications.
MARKING: FULL PART NUMBER
MAXIMUM RATINGS: SYMBOL UNITS
Power Dissipation (TA=50°C) PD 1.0 W
Operating and Storage Temperature TJ, Tstg -65 to +200 °C
ELECTRICAL CHARACTERISTICS: (TA=25°C) VF=1.2V MAX @ IF=200mA (for all types)
TYPE
ZENER
VOLTAGE
VZ @ IZT
TEST
CURRENT
MAXIMUM
ZENER IMPEDANCE
MAXIMUM
REVERSE
CURRENT
MAXIMUM
DC
CURRENT
MAXIMUM
TEMPERATURE
COEFFICIENT
@ IZT
MIN NOM MAX IZT ZZT @ IZT ZZK @ IZK IR @ VRIZM ΘVZ
V V V mA Ω Ω mA μA V mA % / °C
1N4728A 3.135 3.3 3.465 76 10 400 1.0 100 1.0 1380 -0.08 to -0.05
1N4729A 3.420 3.6 3.780 69 10 400 1.0 100 1.0 1260 -0.08 to -0.05
1N2730A 3.705 3.9 4.095 64 9.0 400 1.0 50 1.0 1190 -0.07 to -0.02
1N4731A 4.085 4.3 4.515 58 9.0 400 1.0 10 1.0 1070 -0.07 to -0.01
1N4732A 4.465 4.7 4.935 53 8.0 500 1.0 10 1.0 970 -0.03 to +0.04
1N4733A 4.845 5.1 5.355 49 7.0 550 1.0 10 1.0 890 -0.01 to +0.04
1N4734A 5.320 5.6 5.880 45 5.0 600 1.0 10 2.0 810 0 to +0.045
1N4735A 5.890 6.2 6.510 41 2.0 700 1.0 10 3.0 730 +0.01 to +0.055
1N4736A 6.460 6.8 7.140 37 3.5 700 1.0 10 4.0 660 +0.015 to +0.06
1N4737A 7.125 7.5 7.875 34 4.0 700 0.5 10 5.0 605 +0.02 to +0.065
1N4738A 7.790 8.2 8.610 31 4.5 700 0.5 10 6.0 550 +0.03 to +0.07
1N4739A 8.645 9.1 9.555 28 5.0 700 0.5 10 7.0 500 +0.035 to +0.075
1N4740A 9.500 10 10.50 25 7.0 700 0.25 10 7.6 454 +0.04 to +0.08
1N4741A 10.45 11 11.55 23 8.0 700 0.25 5.0 8.4 414 +0.045 to +0.08
1N4742A 11.40 12 12.60 21 9.0 700 0.25 5.0 9.1 380 +0.045 to +0.085
1N4743A 12.35 13 13.65 19 10 700 0.25 5.0 9.9 344 +0.05 to +0.085
1N4744A 14.25 15 15.75 17 14 700 0.25 5.0 11.4 304 +0.055 to +0.09
1N4745A 15.20 16 16.80 15.5 16 700 0.25 5.0 12.2 285 +0.055 to +0.09
1N4746A 17.10 18 18.90 14 20 750 0.25 5.0 13.7 250 +0.06 to +0.09
1N4747A 19.00 20 21.00 12.5 22 750 0.25 5.0 15.2 225 +0.06 to +0.09
1N4748A 20.90 22 23.10 11.5 23 750 0.25 5.0 16.7 205 +0.06 to +0.095
1N4749A 22.80 24 25.20 10.5 25 750 0.25 5.0 18.2 190 +0.06 to +0.095
1N4750A 25.65 27 28.35 9.5 35 750 0.25 5.0 20.6 170 +0.06 to +0.095
Central
DO-41 CASE
R2 (14-October 2013)
www.centralsemi.com
1N4728A THRU 1N4764A
SILICON ZENER DIODES
1.0 WATT, 3.3 THRU 100 VOLT
5% TOLERANCE
MIN MAX MIN MAX
A 0.026 0.034 0.65 0.86
B 0.138 0.205 3.50 5.21
C 0.079 0.107 2.00 2.72
D 1.000 - 25.40 -
DO-41 (REV: R2)
DIMENSIONS
SYMBOL
INCHES MILLIMETERS
DO-41 CASE - MECHANICAL OUTLINE
ELECTRICAL CHARACTERISTICS - Continued: (TA=25°C) VF=1.2V MAX @ IF=200mA (for all types)
TYPE
ZENER
VOLTAGE
VZ @ IZT
TEST
CURRENT
MAXIMUM
ZENER IMPEDANCE
MAXIMUM
REVERSE
CURRENT
MAXIMUM
DC
CURRENT
MAXIMUM
TEMPERATURE
COEFFICIENT
@ IZT
MIN NOM MAX IZT ZZT @ IZT ZZK @ IZK IR @ VRIZM ΘVZ
V V V mA Ω Ω mA μA V mA % / °C
1N4751A 28.50 30 31.50 8.5 40 1.0K 0.25 5.0 22.8 150 +0.06 to +0.095
1N4752A 31.35 33 34.65 7.5 45 1.0K 0.25 5.0 25.1 135 +0.06 to +0.095
1N4753A 34.20 36 37.80 7.0 50 1.0K 0.25 5.0 27.4 125 +0.06 to +0.095
1N4754A 37.05 39 40.95 6.5 60 1.0K 0.25 5.0 29.7 115 +0.06 to +0.095
1N4755A 40.85 43 45.15 6.0 70 1.5K 0.25 5.0 32.7 110 +0.06 to +0.095
1N4756A 44.65 47 49.35 5.5 80 1.5K 0.25 5.0 35.8 95 +0.06 to +0.095
1N4757A 48.45 51 53.55 5.0 95 1.5K 0.25 5.0 38.8 90 +0.06 to +0.095
1N4758A 53.20 56 58.80 4.5 110 2.0K 0.25 5.0 42.6 80 +0.06 to +0.095
1N4759A 58.90 62 65.10 4.0 125 2.0K 0.25 5.0 47.1 70 +0.06 to +0.095
1N4760A 64.60 68 71.40 3.7 150 2.0K 0.25 5.0 51.7 65 +0.06 to +0.095
1N4761A 71.25 75 78.75 3.3 175 2.0K 0.25 5.0 56.0 60 +0.06 to +0.095
1N4762A 77.90 82 86.10 3.0 200 3.0K 0.25 5.0 62.2 55 +0.06 to +0.095
1N4763A 86.45 91 95.55 2.8 250 3.0K 0.25 5.0 69.2 50 +0.06 to +0.095
1N4764A 95.00 100 105.0 2.5 350 3.0K 0.25 5.0 76.0 45 +0.06 to +0.095
R2
www.centralsemi.com
R2 (14-October 2013)
