1N47-SERIES
ZENER DIODES
Zener Voltage:3.3-100V
Peak Pulse Power:1.0W
FEATURE
DO-41(GLASS)
Low zener impedance
Low regulation factor
Glass passivated junction
High temperature soldering guaranteed:
260 C/10S/9.5mm lead length at 5 lbs tension
1.10(27.9)
MIN.
0.107(2.7)
0.080(2.0)
0.217 (5.51)
0.160(4.06)
MECHANICAL DATA
Case:
JEDEC DO-41(GLASS) molded glass body
Terminals:
Plated axial leads, solderable per MIL-STD 750,
method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.012 ounce,0.35 grams
1.10(27.9)
MIN.
0.034(0.86)
0.028(0.71)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
SYMBOLS
VALUE
UNITS
Zener Current see Table Characteristics
Power Dissipation at Tamb=25 C(Note 1)
Junction Temperature
Storage Temperature Range
Thermal resistance junction ambient(Note 1)
Forward voltage at I
F
=200mA
P
tot
T
j
T
STG
R
qJA
V
F
1000
200
-65 to + 200
170
1.2
mW
C
C
C/W
V
Note 1: Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
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ELECTRICAL CHARACTERISTICS (at T
A
=25 C unless otherwise noted)
Nominal
Zener
Voltage
Vz@I
ZT
Volts
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
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
43
47
51
56
62
68
75
82
91
100
Device Type
Maximum Zener Maximum Reverse
Test
Leakage Current
Impedance
Current
I
ZT
@V
R
Z
ZT@
I
ZT
Z
ZT@
I
ZK
I
R
uA
Ohms Ohms
mA
Volts
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
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
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
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
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
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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
I
ZK
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Max.Surge
Current
I
R
@25 C
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
Maximum
Regulator
Current
I
ZM
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
Note 1: Suffix “A” indicate +5% tolerance
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RATINGS AND CHARACTERISTIC CURVES 1N47 SERIES
Breakdown characteristics
mA
100
Iz,TEST CURRENT,MILLIAMPERS
5
10
15
20
25
30
V
80
60
40
20
0
P
tot,
POWER DISSIPATION,WATTS
1N4728
1N4732
1N4731
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
0.8
0.6
0.4
0.2
0
1N4733
1N4735
1N4739
0
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1N4742
1N4741
Vz,ZENER VOLTAGE,volts
AMBIENT TEMPERATURE, C
1N4744
100
1N4747
1N4748
200
1N4749
1N4750
stm32/stm8
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