TAK CHEONG
®
SEM IC O N DU C TO R
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum Ratings
Parameter
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
T
A
= 25°C unless otherwise noted
Value
500
-65 to +175
+175
Units
mW
°C
°C
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
L
ZXx
xxT
L
: Logo
Device Code
: TCZXxxxT
VZ Tolerance (T) : A, B, C or D
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
DO-35 Package (JEDEC)
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Leads Are Readily Solderable
RoHS Compliant
Solder Hot Dip Tin (Sn) Terminal Finish
Cathode Indicated By Polarity Band
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device
Type
TCZX2V0
TCZX2V2
TCZX2V4
TCZX2V7
TCZX3V0
TCZX3V3
TCZX3V6
TCZX3V9
TCZX4V3
VZ
Tolerance
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
C
A
B
C
A
B
C
Min
1.880
2.020
2.120
2.220
2.330
2.430
2.540
2.690
2.850
3.010
3.160
3.320
3.455
3.600
3.740
3.890
4.040
4.170
4.300
4.44
4.55
4.68
4.81
4.94
5.09
T
A
= 25°C unless otherwise noted
Izt
VZ@IZT
Nom
1.990
2.110
2.210
2.315
2.425
2.530
2.645
2.800
2.960
3.115
3.270
3.425
3.575
3.723
3.875
4.025
4.165
4.300
4.435
4.56
4.68
4.81
4.94
5.07
5.23
Max
2.100
2.200
2.300
2.410
2.520
2.630
2.750
2.910
3.070
3.220
3.380
3.530
3.695
3.845
4.010
4.160
4.290
4.430
4.570
4.68
4.80
4.93
5.07
5.20
5.37
(mA)
5
5
5
5
5
5
5
5
5
Zzt@Izt
(Ohms)
Max
100
100
100
110
120
120
100
100
100
Zzk@Izk
(Ohms)
Max
1000
1000
1000
1000
1000
1000
1000
1000
1000
Izk
(mA)
0.5
0.5
0.5
0.5
0.5
0.5
1
1
1
I
R
@V
R
(uA)
Max
120
100
120
100
50
20
10
5
5
V
R
(V)
0.5
0.7
1.0
1.0
1.0
1.0
1.0
1.0
1.0
TCZX4V7
5
80
900
1
5
1.0
TCZX5V1
5
80
800
1
5
1.5
Number: DB-043
July 2008 / C
Page 1
TCZX2V0 through TCZX39V
TAK CHEONG
Electrical Characteristics
Device
Type
TCZX5V6
T
Tolerance
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
D
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Min
5.28
5.45
5.61
5.78
5.96
6.12
6.29
6.49
6.66
6.85
7.07
7.29
7.53
7.78
8.03
8.29
8.57
8.83
9.12
9.41
9.70
9.94
10.18
10.50
10.82
11.13
11.44
11.74
12.11
12.55
12.99
13.44
13.89
14.35
14.80
15.25
15.69
16.22
16.82
17.42
18.02
18.63
19.23
19.72
20.15
20.64
21.08
21.52
22.05
22.61
23.12
23.63
24.26
24.97
25.63
26.29
26.99
27.70
28.36
29.02
V
Z
@Izt
Nom
5.41
5.59
5.76
5.94
6.12
6.28
6.46
6.66
6.84
7.04
7.26
7.48
7.73
7.99
8.24
8.51
8.79
9.07
9.36
9.66
9.95
10.19
10.45
10.78
11.10
11.42
11.74
12.05
12.43
12.88
13.33
13.79
14.26
14.72
15.19
15.65
16.10
16.64
17.26
17.88
18.49
19.11
19.73
20.22
21.68
21.18
21.63
22.08
22.62
23.19
23.72
24.24
24.89
25.62
26.29
26.97
27.69
28.42
29.09
29.77
®
SEM IC O N DU C TO R
T
A
= 25°C unless otherwise noted
Izt
Max
5.55
5.73
5.91
6.09
6.27
6.44
6.63
6.83
7.01
7.22
7.45
7.67
7.92
8.19
8.45
8.73
9.01
9.30
9.59
9.90
10.20
10.44
10.71
11.05
11.38
11.71
12.03
12.35
12.75
13.21
13.66
14.13
14.62
15.09
15.57
16.04
16.51
17.06
17.70
18.33
18.96
19.59
20.22
20.72
21.20
21.71
22.17
22.63
23.18
23.77
24.31
24.85
25.52
26.26
26.95
27.64
28.39
29.13
29.82
30.51
(mA)
5
Zzt@Izt
(Ohms)
Max
60
Zzk@Izk
(Ohms)
Max
500
Izk
(mA)
1
I
R
@V
R
(uA)
Max
5
V
R
(V)
2.5
TCZX6V2
5
60
300
1
5
3.0
TCZX6V8
5
20
150
0.5
2
3.5
TCZX7V5
5
20
120
0.5
0.5
4.0
TCZX8V2
5
20
120
0.5
0.5
5.0
TCZX9V1
5
25
120
0.5
0.5
6.0
TCZX10V
5
30
120
0.5
0.2
7.0
TCZX11V
5
30
120
0.5
0.2
8.0
TCZX12V
5
30
110
0.5
0.2
9.0
TCZX13V
5
35
110
0.5
0.2
10
TCZX15V
5
40
110
0.5
0.2
11
TCZX16V
5
40
150
0.5
0.2
12
TCZX18V
5
45
150
0.5
0.2
13
TCZX20V
5
55
200
0.5
0.2
15
TCZX22V
5
30
200
0.5
0.2
17
TCZX24V
5
35
200
0.5
0.2
19
TCZX27V
5
45
250
0.5
0.2
21
TCZX30V
5
55
250
0.5
0.2
23
Number: DB-043
July 2008 / C
Page 2
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
65
Zzk@Izk
(Ohms)
Max
Izk
(mA)
I
R
@V
R
(uA)
Max
0.2
V
R
(V)
A
29.68
30.45
31.22
B
30.32
31.10
31.88
TCZX33V
C
30.90
31.70
32.50
D
31.49
32.30
33.11
A
32.14
32.97
33.79
B
32.79
33.64
34.49
TCZX36V
C
33.40
34.27
35.13
D
34.01
34.89
35.77
A
34.68
35.58
36.47
B
35.36
36.28
37.19
TCZX39V
C
36.00
36.93
37.85
D
36.63
37.58
38.52
VF (forward voltage) = 1.2 V maximum @ IF = 200mA for all types
5
250
0.5
25
5
75
250
0.5
0.2
27
5
85
250
0.5
0.2
30
Notes:
1. TOLERANCE AND VOLTAGE DESIGNATION
The type numbers listed have zener voltage as shown
2. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage, for detailed information on price, availability and delivery,
contact you nearest Tak Cheong representative.
3. ZENER VOLTAGE (V
Z
) MEASUREMENT
The zener voltage is measured under pulse conditions such that T
J
is no more than 2℃ above T
A
.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
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
) is superimposed to
I
ZT
.
5. WHEN ORDERING, PLEASE SPECIFY TOLERANCE A, B. C OR D
Number: DB-043
July 2008 / C
Page 3
TAK CHEONG
Typical Characteristics
600
®
SEM IC O N DU C TO R
1000
PD-Power Passipation [mW]
Total Capacitance [pF]
500
400
300
200
100
0
0
40
VR = 0V
f = 1MHz
Ta = 25
℃
VR = 5V
100
VR = 2V
VR = 20V
10
1
Temperature [
℃
]
80
120
160
200
0
5
10
15
20
25
30
35
40
VZ - Reverse Voltage [V]
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
Figure 2. Total Capacitance
Differential Zener Impedance [Ω]
10000
Iz=1mA
Iz=2mA
Iz=5mA
1000
Ta = 25
℃
Forward Current [mA]
100
Ta = 25
℃
100
Iz=10mA
10
1
1
0.01
0
5
10
15
20
25
30
VZ - Reverse Voltage [V]
35
40
0.1
0
0.2
0.4
0.6
0.8
VF - Forw ard Voltage [m V]
1
1.2
Figure 3. Differential Impedance vs. Zener Voltage
Figure 4. Forward Current vs. Forward Voltage
1000
PD = 500mW
Ta = 25
℃
Reverse Current [mA]
10
0.1
0.001
0
5
10
15
20
25
30
VZ - Reverse Voltage [V]
35
40
Figure 5. Reverse Current vs. Reverse Voltage
Number: DB-043
July 2008 / C
Page 4
TAK CHEONG
Package Outline
Package
®
SEM IC O N DU C TO R
Case Outline
DO-35
DO-35
DIM
Min
A
B
C
D
0.46
3.05
25.40
1.53
Millimeters
Max
0.55
5.08
38.10
2.28
Min
0.018
0.120
1.000
0.060
Inches
Max
0.022
0.200
1.500
0.090
Notes:
1.
2.
All dimensions are within JEDEC standard.
DO35 polarity denoted by cathode band
.
Number: DB-043
July 2008 / C
Page 5
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