DL4728A thru DL4761A
Surface Mount Zener Diodes
P b
Lead(Pb)-Free
SMALL SIGNAL
ZENER DIODES
1.0 WATTS
Features:
* High Reliability
* Very Sharp Reverse Characteristic
* Low Reverse Current Level
* Vz-Tolerance ±5%
Applications:
* Voltage Stabillization
MELF
MELF Outline Dimensions
Unit: mm
A
MELF
B
C
Dim
A
B
C
Min
4.80
2.40
0.46
Max
5.20
2.67
0.60
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DL4728A thru DL4761A
Absolute Maximum Ratings
(T
j
=25°C)
Parameter
Power dissipation
Z-current
Junction temperature
Storage temperature range
Tamb ≤ 50°C
Symbol
PV
IZ
Tj
T stg
Value
1
P
V
/V
Z
200
-65~+175
Unit
W
mA
°C
°C
Maximum Thermal Resistance
(T
j
=25°C)
Parameter
Junction ambient
I=9.5mm (3/8”) T L=constant
Symbol
R
θJA
Value
100
Unit
K/W
Electrical Characteristics
(T
j
=25°C)
Parameter
Forward voltage
I F=200mA
Symbol
VF
Min
-
Typ
-
Max
1.2
Unit
V
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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
V
Znom1)
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
I
ZT
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
r
zjT
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
r
zjK
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
I
ZK
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
I
R
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
V
R
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(T
L
)at 30℃,
9.5mm(3/8”) from the diode body.
2) Suffix “A” For ±5%.
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