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