DL4728A SERIES
SURFACE MOUNT ZENER DIODES
VOLTAGE
FEATURES
• Low inductance
• Lead free in comply with EU RoHS 2011/65/EU directives
3.3 to 75 Volts
POWER
1 Watts
MECHANICAL DATA
• Case: Molded Glass MELF / DL-41
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes cathode end
• Approx. Weight: 0.16 grams
• Packing information
T/R - 5K per 13" paper Reel
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Power Dissipation at T
A
= 25
O
C
Operating Junction Temperature Range
Storage Temperature Range
Symbol
Value
1*
-65 to +200
-65 to +200
Units
W
O
P
TOT
T
J
T
STG
C
C
O
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage at I
F
= 200mA
Symbol
Min.
--
--
Typ.
Max.
170*
1.2
Units
o
R
JA
V
F
--
--
C/W
V
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Notes :
STANDARD VOLTAGE TOLERANCE IS + 5% AND :
SUFFIX “A” FOR + 5%
SUFFIX “B” FOR + 2%
SUFFIX “C” FOR + 3%
May 9,2013-REV.04
PAGE . 1
DL4728A SERIES
Ma xi mum Ze ne r Vo lta g e
Part Number
No m. V
V
Z
@ I
ZT
Mi n. V
Max. V
Ma xi mum Ze ne r Imp e d a nc e
Z
ZT
@ I
ZT
mA
Z
ZK
@ I
ZK
mA
Ma xi mum Leakage
Current
I
R
@V
R
A
V
1 Watt Zener Diodes (Glass Sealed Envelope)
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
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
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.5
10.45
11.4
12.35
14.25
15.2
17.1
19
20.9
22.8
25.65
28.5
31.35
34.2
37.05
40.85
44.65
48.45
53.2
58.9
64.6
71.25
3.47
3.78
4.1
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.5
11.55
12.6
13.65
15.75
16.8
18.9
21
23.1
25.2
28.35
31.5
34.65
37.8
40.95
45.15
49.35
53.55
58.8
65.1
71.4
78.75
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
125
150
175
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
4.0
3.7
3.3
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
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
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
0.5
0.5
0.5
0.5
0.5
0.5
0.5
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
May 9,2013-REV.04
PAGE . 2
DL4728A SERIES
Part No_packing code_Version
DL4728A_R1_10001
DL4728A_R2_10001
For example :
RB500V-40_R2_00001
Part No.
Serial number
Version code means HF
Packing size code means 13"
Packing type means T/R
Packing Code
XX
Packing type
Tape and Ammunition Box
(T/B)
Tape and Reel
(T/R)
Bulk Packing
(B/P)
Tube Packing
(T/P)
Tape and Reel (Right Oriented)
(TRR)
Tape and Reel (Left Oriented)
(TRL)
FORMING
1
st
Code
A
R
B
T
S
L
F
Packing size code
N/A
7"
13"
26mm
52mm
PANASERT T/B CATHODE UP
(PBCU)
PANASERT T/B CATHODE DOWN
(PBCD)
Version Code
XXXXX
2
nd
Code
HF or RoHS
1
st
Code 2
nd
~5
th
Code
0
1
2
X
Y
U
D
HF
RoHS
0
1
serial number
serial number
May 9,2013-REV.04
PAGE . 5
PCB Design
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