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
RECTRON
1
2
