®
TAK CHEONG
SEM IC O N DU C TO R
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
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 2.0 to 39 Volts (Graded)
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 band indicates negative polarity
T
A
= 25°C unless otherwise noted
VZ@IZT
Min
2.12
2.22
2.33
2.44
2.54
2.69
2.85
3.01
3.16
3.32
3.47
3.63
3.77
3.92
4.06
4.21
4.33
4.46
4.58
4.71
Nom
2.21
2.32
2.42
2.53
2.64
2.80
2.96
3.12
3.27
3.43
3.57
3.73
3.88
4.03
4.15
4.30
4.44
4.56
4.68
4.81
Max
2.30
2.41
2.51
2.62
2.74
2.91
3.06
3.22
3.37
3.53
3.67
3.82
3.98
4.13
4.24
4.38
4.54
4.66
4.77
4.91
Izt
(mA)
20
20
20
20
20
20
20
20
Zzt@Izt
(Ohms)
Max
35
35
35
35
35
48
40
32
Zzk@Izk
(Ohms)
Max
400
400
450
450
450
850
850
850
Izk
(mA)
1
1
1
1
1
1
1
1
I
R
@V
R
(uA)
Max
55
84
70
35
14
2.8
1.4
0.47
V
R
(V)
0.7
1
1
1
1
1
1
1
st
Cathode
Anode
ELECTRICAL SYMBOL
Electrical Characteristics
Device
Type
TCLZ2V2
TCLZ2V4
TCLZ2V7
TCLZ3V0
TCLZ3V3
TCLZ3V6
TCLZ3V9
TCLZ4V3
VZ
Tolerance
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
C
A
B
C
TCLZ4V7
20
21
770
1
0.19
1
December 2005 / A
Page 1
TCLZ2V0A/B through TCLZ39A/B/C/D Series
®
TAK CHEONG
SEM IC O N DU C TO R
Electrical Characteristics
(T
A
= 25°C unless otherwise noted)
Device
Type
T
Tolerance
V
Z
@Izt
Min
Nom
Max
Izt
(mA)
Zzt@Izt
(Ohms)
Max
46.0
Zzk@Izk
(Ohms)
Max
Izk
(mA)
I
R
@V
R
(uA)
Max
0.133
V
R
(V)
A
26.98
27.69
28.41
B
27.67
28.41
29.15
TCLZ30V
C
28.34
29.09
29.84
D
29.00
29.77
30.54
A
29.66
30.45
31.25
B
30.29
31.10
31.91
TCLZ33V
C
30.88
31.70
32.52
D
31.46
32.30
33.15
A
32.19
32.96
33.74
B
32.83
33.63
34.42
TCLZ36V
C
33.46
34.27
35.07
D
31.07
34.89
35.71
A
34.74
35.57
36.41
B
35.41
36.26
37.12
TCLZ39V
C
36.05
36.92
37.79
D
36.69
37.58
38.46
VF (forward voltage) = 1.2 V maximum @ IF = 200mA for all types
Notes:
1.
2.
3.
5
210
0.5
23
5
55.0
210
0.5
0.133
25
5
63.0
210
0.5
0.133
27
5
72.0
210
0.5
0.133
30
The zener voltage subdivision (VZ) is measured 40mS after diode is powered up.
The operating resistance (Zzt and Zzk) is measured by superimposing a minute alternation current in the regulated
current (Iz).
When ordering, please specify tolerance A, B, C or D.
Ordering Information
Device
TCLZxxx
TCLZxxxR13
TCLZxxx
Pack Option
7” Reel
13” Reel
Others
Package
Tape and Reel
Tape and Reel
Quantity
2500
10,000
(…contact Tak Cheong sales representatives)
December 2005 / A
Page 3
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