MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1N4728A
THRU
Dimensions in millimeters
RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
TECHNICAL SPECIFICATIONS
OF
GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:3.3V to 39V
* Double slug type construction
1N4754A
MECHANICAL DATA
* Case: Glass sealed case
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.35 gram
SYMBOL VALUE UNITS
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25oC Ptot 1(1)
W
Junction Temperature Tj 175
oC
Storage Temperature Range Tstg -55 to + 200
oC
K/mW
Thermal Resistance RthA -Typ.
Junction to Ambient Air -Min.
170(1)
Max.
Volts
Forward Voltage VF-Typ.
at IF=200mA -Min.
1.2 Max.
1)Valid Provided that leads are kept at ambient temperature at a distance of 10 mm from case.
NOTE: Suffix "A" indicates Zener Voltage Tolerance ± 5%
DO-41(G)
MAX.
162
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Breakdown characteristics 1N47-SERIES
mA
240
200
160
120
80
0
5V 10V 15V 20V 25V 30V
IZ
VZ
27
24
22
20
15
12
11
9V1
7V5
6V8
6V2
5V6
5V1
4V7
4V3
3V9
3V3
R
DC COMPONENTS CO., LTD.
RATING AND CHARACTERISTIC CURVES (1N4728A THRU 1N4754A)
1N4728A 3.3 76 10 400 1.0 100 1.0 1380 276
1N4729A 3.6 69 10 400 1.0 100 1.0 1260 252
1N4730A 3.9 64 9.0 400 1.0 50 1.0 1170 234
1N4731A 4.3 58 9.0 400 1.0 10 1.0 1085 217
1N4732A 4.7 53 8.0 500 1.0 10 1.0 965 193
1N4733A 5.1 49 7.0 550 1.0 10 1.0 890 178
1N4734A 5.6 45 5.0 600 1.0 10 2.0 810 162
1N4735A 6.2 41 2.0 700 1.0 10 3.0 730 146
1N4736A 6.8 37 3.5 700 1.0 10 4.0 660 133
1N4737A 7.5 34 4.0 700 0.5 10 5.0 605 121
1N4738A 8.2 31 4.5 700 0.5 10 6.0 550 110
1N4739A 9.1 28 5.0 700 0.5 10 7.0 500 100
1N4740A 10 25 7.0 700 0.25 10 7.6 454 91
1N4741A 11 23 8.0 700 0.25 5.0 8.4 414 83
1N4742A 12 21 9.0 700 0.25 5.0 9.1 380 76
1N4743A 13 19 10 700 0.25 5.0 9.9 344 69
1N4744A 15 17 14 700 0.25 5.0 11.4 304 61
1N4745A 16 15.5 16 700 0.25 5.0 12.2 285 57
1N4746A 18 14 20 750 0.25 5.0 13.7 250 50
1N4747A 20 12.5 22 750 0.25 5.0 15.2 225 45
1N4748A 22 11.5 23 750 0.25 5.0 16.7 205 41
1N4749A 24 10.5 25 750 0.25 5.0 18.2 190 38
1N4750A 27 9.5 35 750 0.25 5.0 20.6 170 34
1N4751A 30 8.5 40 1000 0.25 5.0 22.8 150 30
1N4752A 33 7.5 45 1000 0.25 5.0 25.1 135 27
1N4753A 36 7.0 50 1000 0.25 5.0 27.4 125 25
1N4754A 39 6.5 60 1000 0.25 5.0 29.7 115 23
Nominal
Zener
Voltage
VZ@IZT
Volts
Test
Current
IZT
mA
Maximum Zener
Impedance
ZZT@IZT ZZT@IZK
Ohms Ohms
IZK
mA
Maximum Reverse
Leakage Current
IR @VR
uA Volts
Maximum
Regulator
Current
IZM
mA
Max. Surge
Current
IR
mA
1.0
0.8
0.6
0.4
0.2
00 100 200oC
Valid provided that leads are kept at ambient
temperature at a distance of 10mm from case
Ptot
Tamb
Admissible power dissipation
versus ambient temperature
W
Power dissipation
163
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