RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
DL4728A
THRU
DL4764A
Surface Mount M.E.L.F ZENER DIODE
Absolute Maximun Ratings (Ta=25
o
C)
Items
Power D i ssi pati on
Thermal Resi s.
Tolarance
Forward Voltage
@If = 100 mA
Juncti on Temp.
Storage Temp.
Vf
T
J
T
STG
Symbol
P
TOT
R
th
JA
Rati ngs
1
170
5
1.0
-65 to 200
-65 to 200
Uni t
W
K/mW
%
V
o
o
Dimensions
M.E.L .F.
C
C
0.60
0.46
2 Places
2.70
2.40
Mechanical Data
Items
P a cka g e
C a se
Lead Finish
5.2
4.8
Materials
MELF
Dimensions in millimeters
Hermetically sealed glass
Solder Plating
Electrical Characteristics (Ta=25
o
C)
Measured with Pulse Tp= 40 msec.
ZENER
VOLTAGE
TYPE
Vz(V)
D L4728A
D L4729A
D L4730A
D L4731A
D L4732A
D L4733A
D L4734A
D L4735A
D L4736A
D L4737A
D L4738A
D L4739A
D L4740A
D L4741A
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
Izt(mA)
76
69
64
58
53
49
45
41
37
34
31
28
25
23
MAX ZENER
IMPEDANCE
@ Izk
MAX ZENER
IMPEDANCE
@ Izk
MAXIMUM
REVERSE
CURRENT
MAXIMUM
REGULATOR
CURRENT
Rzt (ohms)
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
Izt(mA0 Rzk (ohms) Izk(mA0
76
69
64
58
53
49
45
41
37
34
31
28
25
23
400
400
400
400
500
550
600
700
700
700
700
700
700
700
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.25
0.25
VR (V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
IR (uA)
100
100
50
10
10
10
10
10
10
10
10
10
10
5
IzM(mA)
276
252
234
217
193
178
162
146
133
121
110
100
91
83
Electrical Characteristics (Ta=25
o
C)
Measured with Pulse Tp= 40 msec.
ZENER
VOLTAGE
TYPE
Vz(V)
D L4742A
D L4743A
D L4744A
D L4745A
D L4756A
D L4747A
D L4748A
D L4749A
D L4750A
D L4751A
D L4752A
D L4753A
D L4754A
D L4755A
D L4756A
D L4757A
D L4758A
D L4759A
D L4760A
D L4761A
D L4762A
D L4763A
D L4764A
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
Izt(mA)
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
3
2.8
2.5
MAX ZENER
IMPEDANCE
@ Izk
MAX ZENER
IMPEDANCE
@ Izk
MAXIMUM
REVERSE
CURRENT
MAXIMUM
REGULATOR
CURRENT
Rzt (ohms)
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
Izt(mA0 Rzk (ohms) Izk(mA0
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
3
2.8
2.5
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
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
VR (V)
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
56.0
62.2
69.2
76.0
IR (uA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
IzM(mA)
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
9
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