DL4728C~DL4764C
Zener diode
Features
1. High reliability
2. Very sharp reverse characteristic
3. Low reverse current level
4. V
Z
-tolerance±2%
Applications
Voltage stabilization
Absolute Maximum Ratings
T
j
=25℃
Parameter
Power dissipation
Z-current
Junction temperature
Storage temperature range
Test Conditions
T
amb
≤50℃
Type
Symbol
P
V
I
Z
T
j
T
stg
Value
1
P
V
/V
Z
200
-65~+175
Unit
W
mA
℃
℃
Maximum Thermal Resistance
T
j
=25℃
Parameter
Junction ambient
Test Conditions
I=9.5mm(3/8”) T
L
=constant
Symbol
R
thJA
Value
100
Unit
K/W
Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the
recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may
affect device reliability.
Electrical Characteristics
T
j
=25℃
Parameter
Forward voltage
Test Conditions
I
F
=200mA
Type
Symbol
V
F
Min
Typ
Max
1.2
Unit
V
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DL4728C~DL4764C
V
Znom1)
I
ZT
for
r
zjT
r
zjK
at
I
ZK
I
R
at
V
R
V
mA
Ω
Ω
mA
μA
V
DL4728C
3.3
76
<10
<400
1
<100
1
DL4729C
3.6
69
<10
<400
1
<100
1
DL4730C
3.9
64
<9
<400
1
<50
1
DL4731C
4.3
58
<9
<400
1
<10
1
DL4732C
4.7
53
<8
<500
1
<10
1
DL4733C
5.1
49
<7
<550
1
<10
1
DL4734C
5.6
45
<5
<600
1
<10
2
DL4735C
6.2
41
<2
<700
1
<10
3
DL4736C
6.8
37
<3.5
<700
1
<10
4
DL4737C
7.5
34
<4.0
<700
0. 5
<10
5
DL4738C
8.2
31
<4.5
<700
0. 5
<10
6
DL4739C
9.1
28
<5.0
<700
0. 5
<10
7
DL4740C
10
25
<7
<700
0.25
<10
7.6
DL4741C
11
23
<8
<700
0.25
<5
8.4
DL4742C
12
21
<9
<700
0.25
<5
9.1
DL4743C
13
19
<10
<700
0.25
<5
9.9
DL4744C
15
17
<14
<700
0.25
<5
11.4
DL4745C
16
15.5
<16
<700
0.25
<5
12.2
DL4746C
18
14
<20
<750
0.25
<5
13.7
DL4747C
20
12.5
<22
<750
0.25
<5
15.2
DL4748C
22
11.5
<23
<750
0.25
<5
16.7
DL4749C
24
10.5
<25
<750
0.25
<5
18.2
DL4750C
27
9.5
<35
<750
0.25
<5
20.6
DL4751C
30
8.5
<40
<1000
0.25
<5
22.8
DL4752C
33
7.5
<45
<1000
0.25
<5
25.1
DL4753C
36
7.0
<50
<1000
0.25
<5
27.4
DL4754C
39
6.5
<60
<1000
0.25
<5
29.7
DL4755C
43
6.0
<70
<1500
0.25
<5
32.7
DL4756C
47
5.5
<80
<1500
0.25
<5
35.8
DL4757C
51
5.0
<95
<1500
0.25
<5
38.8
DL4758C
56
4.5
<110
<2000
0.25
<5
42.6
DL4759C
62
4.0
<125
<2000
0.25
<5
47.1
DL4760C
68
3.7
<150
<2000
0.25
<5
51.7
DL4761C
75
3.3
<175
<2000
0.25
<5
56
DL4762C
82
3.0
<200
<3000
0.25
<5
62.2
DL4763C
91
2.8
<250
<3000
0.25
<5
69.2
DL4764C
100
2.5
<350
<3000
0.25
<5
76
1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(T
L
)at 30℃,
Type
9.5mm(3/8”) from the diode body.
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DL4728C~DL4764C
Characteristics
(T
j
=25℃ unless otherwise specified)
Symbol
Vz
I
ZT
Z
ZT
I
ZK
Z
ZK
I
R
V
R
I
F
V
F
Parameter
Reverse zener voltage @ I
ZT
Reverse current
Maximum zener impedance @ I
ZT
Reverse current
Maximum zener impedance @ I
ZK
Reverse leakage current @ V
R
Breakdown voltage
Forward current
Forward voltage @ I
F
Figure 1. Zener voltage regulator
Figure 2. Temperature coefficients
(-55℃ to +150℃ temperature range; 90% of the units are in the ranges indicated)
Figure 3. Effect of zener current on zener impedance
Figure 4. Effect of zener voltage on zener impedance
Excel Semiconductor
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Rev. 3e, 1-Nov-2006
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DL4728C~DL4764C
Dimensions in mm
Cathode identification
0.4
0.4
Φ2.6±0.2
5.0±0.2
Φ2.8max
Standard Glass Case
JEDEC LL-41
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Rev. 3e, 1-Nov-2006
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