TAK CHEONG
SEM ICONDUCTOR
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 +200
+200
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 2.0 to 56 Volts
LL-34 (Mini-MELF) Package
Surface Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All external surfaces are corrosion resistant and leads are readily solderable
1
st
band indicates negative polarity
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device Type
TCLLZ2V0
TCLLZ2V2
TCLLZ2V4
TCLLZ2V7
TCLLZ3V0
TCLLZ3V3
TCLLZ3V6
TCLLZ3V9
TCLLZ4V3
TCLLZ4V7
TCLLZ5V1
TCLLZ5V6
TCLLZ6V2
TCLLZ6V8
TCLLZ7V5
TCLLZ8V2
TCLLZ9V1
TCLLZ10V
TCLLZ11V
TCLLZ12V
TCLLZ13V
TCLLZ15V
V
Z
@ I
ZT
(Volts)
Nominal
2.0
2.2
2.4
2.7
3.0
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
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
5
Z
ZT
@ I
ZT
(Ω)
Max
100
100
100
110
120
120
100
100
100
80
80
60
60
20
20
20
25
30
30
30
35
40
I
R
@ V
R
(µA)
Max
120
120
120
100
50
20
10
5
5
5
5
5
5
2
0.5
0.5
0.5
0.2
0.2
0.2
0.2
0.2
V
R
(Volts)
0.5
0.7
1
1
1
1
1
1
1
1
1.5
2.5
3
3.5
4
5
6
7
8
9
10
11
March 2003 / B
Page 1
TCLLZ2V0 through TCLLZ56V Series
®
®
TAK CHEONG
SEM ICONDUCTOR
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
Z
ZT
@ I
ZT
(Ω)
Max
I
R
@ V
R
(µA)
Max
V
R
(Volts)
V
Z
@ I
ZT
(Volts)
Nominal
Electrical Characteristics
Device Type
TC16V
16
5
40
0.2
12
TC18V
18
5
45
0.2
13
TC20V
20
5
45
0.2
15
TC22V
22
5
30
0.2
17
TC24V
24
5
35
0.2
19
TC27V
27
5
45
0.2
21
TC30V
30
5
55
0.2
23
TC33V
33
5
65
0.2
25
TC36V
36
5
75
0.2
27
TC39V
39
5
85
0.2
30
TC43V
43
5
90
0.2
33
TC47V
47
5
90
0.2
36
TC51V
51
5
110
0.2
39
TC56V
56
5
110
0.2
43
V
F
Forward Voltage = 1.2 V Maximum @
I
F
= 200 mA for all types
Notes:
1. The type numbers listed have zener voltage as shown and have a standard tolerance on the nominal zener voltage of 5%.
2. 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.
3. 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.
Electrical Symbol Definition
Symbol
V
Z
I
ZT
Z
ZT
I
ZK
Z
ZK
I
R
V
R
I
F
V
F
Parameter
Reverse Zener Voltage @
I
ZT
Reverse Current
Maximum Zener Impedance @
I
ZT
Reverse Current
Maximum Zener Impedance @
I
ZK
Reverse Leakage Current @
V
R
Breakdown Voltage
Forward Current
Forward Voltage @
I
F
Typical Characteristics
I
(mA)
I
F
V
Z
V
R
(V)
I
R
I
ZT
V
F
(mV)
V
(nA)
(mA)
Ordering Information
Device
TCxxx
TCxxx.TB
TCxxx.TR
TCxxx
Package
Bulk
Tape and Ammo
Tape and Reel
Quantity
10,000
5,000
10,000
Others (…contact Tak Cheong sales representatives)
Axial-Lead Tape Packaging Standards
This axial-lead component’s packaging requirements use in automatic testing and assembly equipment. And this standard practices for
lead-tape packaging of axial-lead components meets the requirements of EIA Standard RS-296-D “Lead-taping of Components on Axial
Lead Configuration for Automatic Insertion”.
March 2003 / B
Page 2
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