WEITRON 1N4742A

1N4728A Thru 1N4761A
Axial Lead Zener Diodes
SMALL SIGNAL
ZENER DIODES
1.0 WATTS
P b Lead(Pb)-Free
Features:
* High reliability
* Very sharp reverse characteristic
* Low reverse current level
* VZ-tolerance ±5%
DO-41
Mechanical Data:
* Voltage stabilization
* Case : DO-41 Glass Case
* Weight : Approx 0.33 gram
DO-41 Outline Dimensions
Unit:mm
C
D
A
DIM
Min
DO-41
26.0
WEITRON
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A
B
A
B
Max
-
Min
-
C
Max
4.50
1/3
Min
-
D
Max
0.85
Min
-
Max
2.7
17-Jan-07
1N4728A Thru 1N4761A
Maximum Ratings and Electrical Characteristics (TA=25°C Unless Otherwise Noted)
Parameter
TA ≤ 50°C
Power dissipation
Z-current
Junction ambient
I=9.5mm(3/8”) TL=constant
Junction temperature
Storage temperature range
Symbol
Value
Unit
PV
1.0
W
IZ
PV/VZ
mA
RθJA
100
K/W
Tj
200
°C
T stg
-65~+175
°C
Electrical Characteristics
Parameter
Forward voltage
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I F=200mA
Symbol
Min
Typ
Max
Unit
VF
-
-
1.2
V
2/3
17-Jan-07
1N4728A Thru 1N4761A
Type
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
VZnom1)
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
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
6.0
5.5
5.0
4.5
4.0
3.7
3.3
for
rzjT
Ω
<10
<10
<9
<9
<8
<7
<5
<2
<3.5
<4.0
<4.5
<5.0
<7
<8
<9
<10
<14
<16
<20
<22
<23
<25
<35
<40
<45
<50
<60
<70
<80
<95
<110
<125
<150
<175
rzjK at
Ω
<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
IZK
mA
1
1
1
1
1
1
1
1
1
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
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
at
VR
V
1
1
1
1
1
1
2
3
4
5
6
7
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
1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(TL)at 30℃,
9.5mm(3/8”) from the diode body.
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17-Jan-07