Weitron DL4742A Surface mount zener diode Datasheet

DL4728A thru DL4761A
Surface Mount Zener Diodes
SMALL SIGNAL
P b Lead(Pb)-Free
ZENER DIODES
1.0 WATTS
Features:
* High Reliability
* Very Sharp Reverse Characteristic
* Low Reverse Current Level
* Vz-Tolerance ±5%
Applications:
MELF
* Voltage Stabillization
MELF Outline Dimensions
Unit: mm
MELF
A
Dim
A
B
C
B
C
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Min
4.80
2.40
0.46
Max
5.20
2.67
0.60
24-Oct-05
DL4728A thru DL4761A
Absolute Maximum Ratings (Tj=25°C)
Parameter
Symbol
Value
Unit
PV
1
W
Z-current
IZ
P V /V Z
mA
Junction temperature
Tj
200
°C
T stg
-65~+175
°C
Symbol
Value
Unit
RθJA
100
K/W
Power dissipation
Tamb ≤ 50°C
Storage temperature range
Maximum Thermal Resistance (Tj=25°C)
Parameter
Junction ambient
I=9.5mm (3/8”) T L=constant
Electrical Characteristics (Tj=25°C)
Parameter
Forward voltage
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I F=200mA
Symbol
Min
Typ
VF
-
-
2/3
Max
1.2
Unit
V
24-Oct-05
DL4728A thru DL4761A
Type
DL4728A
DL4729A
DL4730A
DL4731A
DL4732A
DL4733A
DL4734A
DL4735A
DL4736A
DL4737A
DL4738A
DL4739A
DL4740A
DL4741A
DL4742A
DL4743A
DL4744A
DL4745A
DL4746A
DL4747A
DL4748A
DL4749A
DL4750A
DL4751A
DL4752A
DL4753A
DL4754A
DL4755A
DL4756A
DL4757A
DL4758A
DL4759A
DL4760A
DL4761A
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.
2) Suffix “A” For ±5%.
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24-Oct-05