ZENER DIODES
1N47-SERIES
RoHS Compliant Product
A suffix of "-C" specifies halogen-free
1W , ± 5%
Device
Type
Nominal
Zener
Voltage
Vz at 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
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
56.0
62.0
68.0
75.0
82.0
91.0
100.0
Test
Current
IzT
Maximum Zener Impedance
ZzT at IzT Zzk at Izk
IzK
mA
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Maximum Reverse
Leakage Current
IR
µA
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Surge
Maximum
Current
Regulator
IR
Current IzM
Test- Voltage
o
at Ta=25 C
suffix B
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
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
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
110
95
90
80
70
65
60
55
50
45
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
22
19
18
16
14
13
12
11
10
9
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
1N4755A
1N4756A
1N4757A
1N4758A
1N4759A
1N4760A
1N4761A
1N4762A
1N4763A
1N4764A
mA
76.0
69.0
64.0
58.0
53.0
49.0
45.0
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
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
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
STANDARD VOLTAGE TOLERANCE IS ±10% AND :
SUFFIX "A" FOR ±5%
OTHER TOLERANCES UPON REQUEST.
ZENER DIODE NUMBERING SYSTEM : 1N4731
A
1*
2*
1* TYPE NO.
2* TOLERANCE OF VZ
3* e.g., 1N4731A=4.3V±5%
* Measured with pulses tp = 40m SEC.
01-Jun-2002 Rev. A
Page 1 of
2
ZENER DIODES
1N47-SERIES
Absolute Maximum Ratings
Symbol
Value
Unit
Zener Current see Table "Characteristics"
Ptot
1*
mW
Power Dissipation at Tamb=25
o
C
o
Junction Temperature
Tj
200
C
o
Operating Temperature Range
-50 to +150
C
o
Storage Temperature Range
Ts
-65 to +175
C
*Valid provided that leads at a distance of 10mm from case are kept aat ambient temperature
Cases:DO-41 Molded Glass
Characteristic at Tamb=25
o
C
Symbol
Min.
Typ.
Max.
Unit
Thermal Resistance
RthA
-
-
170*
K/mW
Junction to Ambient Air
Forward Voltage
V
F
V
-
-
1.2
at I
F
=200mA
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
Breakdown Characteristics
1N47-SERIES
mA
100
5
10
15
20
25
30
V
Iz
80
60
40
20
0
Changes in the power dissipation
due to the ambient temperature
1000
1N4728
1N4732
1N4731
1N4733
1N4735
1N4739
1N4729...
± 0.1
1N4741
1N4742
1N4744
1N4747
1N4748
1N4749
1N4750
Vz
DO-41
Ø
2.6
pd(mW)
Power dissipation
800
±0.5
400
200
0
62.5
100
200
O
Ø
0.8
Ta( C)
Ambient Temperature
Dimensions in mm
01-Jun-2002 Rev. A
Page
2
of
2
5.1
±0.1
± 0.05
600
MCU
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