MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C 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=25
o
C Ptot 1
(1)
W
Junction Temperature Tj 175
o
C
Storage Temperature Range Tstg -55 to + 200
o
C
K/mW
Thermal Resistance
RthA
-
Typ.
Junction to Ambient Air
-
Min.
170
(1)
Max.
Volts
Forward Voltage
V
F
-
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
1
1
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
0
0 100 200
o
C
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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