Data Sheet
1 Watt
ZENER DIODES
(3.3V to 100V)
Mechanical Dimensions
1N4728...4764 Series
Description
JEDEC
D0-41
.080
.107
.205
.160
1.00 Min.
.031 typ.
DO-41
Features
¬
For surface mounted applications
¬
1.0 W power dissipation
¬
Ideally suited for automated assembly
processes
Dimensions in inch
Mechanical Data
¬
Case: Molded plastic DO-41
¬
Epoxy: UL 94V-0 rate flame retardant
¬
Terminals: Solderable per MIL-STD-202
method 208
¬
Polarity: cathode band
¬
Mounting position: Any
¬
Weight: 0.34 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
o
C
ambient temperature unless otherwise specified.
SYMBOL
Maximum Forward Voltage Drop at IF=10mA
Power Dissipation
(Note 1)
Thermal Resistane Junction to Ambient Air
Operating junction and Storage Temperature
Range
2
VALUE
1.2
1.0
UNIT
V
W
o
V
F
P
D
R
th
JA
170
C/W
T
J
-55 to +150
o
C
NOTES : (1) Mounted on 5.0mm (.013mm thick) land areas.
(2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
Data Sheet
1 Watt ZENER DIODES
(3.3V to 100V)
Surge
Current
( mA )
1380
1260
1190
1070
970
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
Part No.
1N4728
1N4729
1N4730
1N4731
1N4732
1N4733
1N4734
1N4735
1N4736
1N4737
1N4738
1N4739
1N4740
1N4741
1N4742
1N4743
1N4744
1N4745
1N4746
1N4747
1N4748
1N4749
1N4750
1N4751
1N4752
1N4753
1N4754
1N4755
1N4756
1N4757
1N4758
1N4759
1N4760
1N4761
1N4762
1N4763
1N4764
Electrical Characteristics ( Ta=25
o
C)
Vz
(V)
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
Iz
T
( mA )
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
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
Z
ZT
(Ohm)
10
10
9
9
8
7
5
2
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
Z
ZK
(Ohm)
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
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
0.5
0.5
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
I
R
Max. @V
R
V
R
(V)
(uA)
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
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
Tolerance
on
Zener Voltage no suffix----10%, suffix A---5%(example 1N4728A=3.3+/-5%)