S EM ICOND UCTOR
1 Watt LL-41 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum Ratings
Parameter
Storage Temperature Range
Maximum Junction Operating Temperature
Total Device Dissipation
Thermal Resistance Junction to Ambient
T
A
= 25°C unless otherwise noted
Value
-65 to +200
+175
1.0
170
Units
°C
°C
Watt
°C / W
SURFACE MOUNT
LL-41
DEVICE MARKING DIAGRAM
Cathode Band Color: Blue
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Zener Voltage Range 3.3 to 56 Volts
LL-41 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
RoHS Compliant
Matte Tin (Sn) Lead Finish
Color band Indicates Negative Polarity
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device Type
ZM4728A
ZM4729A
ZM4730A
ZM4731A
ZM4732A
ZM4733A
ZM4734A
ZM4735A
ZM4736A
ZM4737A
ZM4738A
ZM4739A
ZM4740A
ZM4741A
ZM4742A
ZM4743A
ZM4744A
ZM4745A
ZM4746A
V
Z
@ I
ZT
(Volts)
Nominal
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
T
A
= 25°C unless otherwise noted
Z
ZT
@ I
ZT
I
ZT
I
ZK
()
(mA)
(mA)
Max
76
10
1
69
10
1
64
9
1
58
9
1
53
8
1
49
7
1
45
5
1
41
2
1
37
3.5
1
34
4
0.5
31
4.5
0.5
28
5
0.5
25
7
0.25
23
8
0.25
21
9
0.25
19
10
0.25
17
14
0.25
15.5
16
0.25
14
20
0.25
Z
ZK
@ I
ZK
()
Max
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
700
I
R
@ V
R
(A)
Max
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
V
R
(Volts)
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
Number: DB-226
Nov, 2010 / A
Page 1
ZM4728A through ZM4758A
TAK_CHEONG [ Tak Cheong Electronics (Holdings) Co.,Ltd ]
