SE M ICOND UCTOR
500 mW LL-34 Hermetically
Sealed Glass Zener Voltage
Regulators
SURFACE MOUNT
LL34
Absolute Maximum Ratings
Parameter
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
T
A
= 25°C unless otherwise noted
Value
500
-65 to +150
+150
Units
mW
°C
°C
Cathode Band Color : Blue
DEVICE MARKING DIAGRAM
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Zener Voltage Range 3.0 to 27 Volts
LL-34 (Mini-MELF) Package
Surface Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Terminals Are Readily Solderable
RoHS Compliant
Matte Tin (Sn) Terminal Finish
Color band Indicates Negative Polarity
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Z
ZT
@ I
ZT
()
Max
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
40
45
55
I
R
@ V
R
(A)
Max
50
25
15
10
5
3
2
1
3
2
1
0.7
0.5
0.2
0.1
0.1
0.1
0.05
0.05
0.05
0.05
V
R
(Volts)
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
14
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device Type
ZMM3V0
ZMM3V3
ZMM3V6
ZMM3V9
ZMM4V3
ZMM4V7
ZMM5V1
ZMM5V6
ZMM6V2
ZMM6V8
ZMM7V5
ZMM8V2
ZMM9V1
ZMM10V
ZMM11V
ZMM12V
ZMM13V
ZMM15V
ZMM16V
ZMM18V
ZMM20V
Min
2.8
3.1
3.4
3.7
4.0
4.4
4.8
5.2
5.8
6.4
7.0
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
V
Z
@ I
ZT
(Volts)
Max
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.2
Number: DB-130
Jan.2011/ C
Page 1
ZMM3V0 through ZMM27V
SE M ICOND UCTOR
Electrical Characteristics
Device Type
Min
ZMM22V
ZMM24V
ZMM27V
20.8
22.8
25.1
V
Z
@ I
ZT
(Volts)
Max
23.3
25.6
28.9
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
5
5
2
Z
ZT
@ I
ZT
()
Max
55
70
80
I
R
@ V
R
(A)
Max
0.05
0.05
0.05
V
R
(Volts)
15.4
16.8
18.9
V
F
Forward Voltage = 1.5 V Maximum @
I
F
= 100 mA for all types
Notes:
1.
2.
3.
The type numbers listed have zener voltage min/max limits as shown and have a standard tolerance on the nominal zener
voltage of 5%.
For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter
voltage tolerances, contact your nearest Tak Cheong Electronics representative.
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.
Package Outline
Package
Case Outline
B
LL-34
DIM
LL34
A
A
B
C
C
Min
3.30
1.40
0.35
Millimeters
Max
3.60
1.50
0.50
Min
0.130
0.055
0.014
Inches
Max
0.142
0.059
0.020
Notes:
1.
2.
All dimensions are within DO213AC JEDEC standard.
LL-34 polarity denoted by cathode band.
Number: DB-130
Jan.2011/ C
Page 2
DISC LA IMER NOTIC E
NOTICE
The information presented in this document is for reference only. Tak Cheong reserves the right to make
changes without notice for the specification of the products displayed herein.
The product listed herein is designed to be used with ordinary electronic equipment or devices, and not
designed to be used with equipment or devices which require high level of reliability and the malfunction of
with would directly endanger human life (such as medical instruments, transportation equipment, aerospace
machinery, nuclear-reactor controllers, fuel controllers and other safety devices), Tak Cheong
Semiconductor Co., Ltd., or anyone on its behalf, assumes no responsibility or liability for any damagers
resulting from such improper use of sale.
This publication supersedes & replaces all information previously supplied. For additional information, please
visit our website
http://www.takcheong.com,
or consult your nearest Tak Cheong’s sales office for further
assistance.
Number: DB-111
April 29, 2008 / A
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