DL47xxA Series
Elektronische Bauelemente
1W , MELF
Surface Mount Zener Diodes
RoHS Compliant Product
A suffix of “-C” specifies halogen & lead-free
FEATURES
Zener Voltage Range 3.3 to 56 Volts
MELF Package (JEDEC DO-213AB)
Surface Mount Devices (SMD)
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And
Terminals Are Readily Solderable
Matte Tin (Sn) Lead Finish
Color band Indicates Negative Polarity
MELF
B
C
A
C
REF.
A
B
C
Millimeter
Min.
Max.
4.80
5.20
2.39
2.66
0.41
0.55
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C unless otherwise specified)
Parameter
Thermal Resistance Junction to Ambient
Power Dissipation
Operating and Storage Temperature Range
Symbol
R
θJA
P
D
T
J
, T
STG
Rating
170
1
175, -65~200
Unit
°C / W
W
°C
Notes:
1. These ratings are limiting values above which the service ability of the diode may be impaired.
15-Dec-2011 Rev. C
Page 1 of 3
DL47xxA Series
Elektronische Bauelemente
1W , MELF
Surface Mount Zener Diodes
ELECTRICAL RATINGS
(T
A
=25°C unless otherwise specified)
Zener Voltage Range
Type Number
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
Zener Impedance
Z
ZT
@ I
ZT
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
Leakage Current
I
R
@ V
R
μA(MAX)
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
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
V
Z
@ I
ZT
Nom(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
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
6.5
6
5.5
5
4.5
I
ZK
Ω(MAX)
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
Z
ZK
@ I
ZK
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
1000
1000
1000
1000
1500
1500
1500
2000
V
F
Forward Voltage=1.2V Maximum @ I
F
=200mA for all types
Notes:
1. The device numbers listed have a standard tolerance on the nominal zener voltage of ±5%.
2. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to
10% of the dc zener current (I
ZT
or I
ZK
) is superimposed to I
ZT
or I
ZK
.
15-Dec-2011 Rev. C
Page 2 of 3
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