®
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
Lead Temperature (1/16” from case for 10 seconds)
T
A
= 25°C unless otherwise noted
Value
500
-65 to +200
+200
+230
Units
mW
°C
°C
°C
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
L
79T
xxx
L
: Logo
Device Code : TCBZX79Txxx
T
: VZ tolerance
B=±2% C=±5%
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
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
Cathode indicated by polarity band
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device Type
TCBZX79C 2V0
TCBZX79C 2V2
TCBZX79C 2V4
TCBZX79C 2V7
TCBZX79C 3V0
TCBZX79C 3V3
TCBZX79C 3V6
TCBZX79C 3V9
TCBZX79C 4V3
TCBZX79C 4V7
TCBZX79C 5V1
TCBZX79C 5V6
TCBZX79C 6V2
TCBZX79C 6V8
TCBZX79C 7V5
TCBZX79C 8V2
TCBZX79C 9V1
TCBZX79C 10
TCBZX79C 11
TCBZX79C 12
TCBZX79C 13
TCBZX79C 15
TCBZX79C 16
TCBZX79C 18
TCBZX79C 20
V
Z
@ I
ZT
(Volts)
Min
Max
1.88
2.12
2.08
2.33
2.28
2.56
2.51
2.89
2.8
3.2
3.1
3.5
3.4
3.8
3.7
4.1
4
4.6
4.4
5
4.8
5.4
5.2
6
5.8
6.6
6.4
7.2
7
7.9
7.7
8.7
8.5
9.6
9.4
10.6
10.4
11.6
11.4
12.7
12.4
14.1
13.8
15.6
15.3
17.1
16.8
19.1
18.8
21.2
T
A
= 25°C unless otherwise noted
Z
ZT
@ I
ZT
I
ZT
(Ω)
(mA)
Max
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
100
100
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
40
45
55
I
ZK
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Z
ZK
@ I
ZK
(Ω)
Max
600
600
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
150
150
150
170
200
200
225
225
I
R
@ V
R
(µA)
Max
150
150
100
75
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
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
14
March 2006 / D
Page
1
TCBZX79C2V0 through TCBZX79C75 Series
®
TAK CHEONG
SEM IC O N DU C TO R
Electrical Characteristics
Device Type
T
A
= 25°C unless otherwise noted
Z
ZT
@ I
ZT
V
Z
@ I
ZT
I
ZT
(Volts)
(Ω)
(mA)
Max
Min
Max
Z
ZK
@ I
ZK
(Ω)
Max
250
250
300
300
325
350
350
375
375
400
425
1000
1000
1000
I
R
@ V
R
(µA)
Max
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
I
ZK
(mA)
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
V
R
(Volts)
15.4
16.8
18.9
21
23.1
25.2
27.3
30.1
32.9
35.7
39.2
43.4
47.6
52.5
TCBZX79C 22
20.8
23.3
5
55
TCBZX79C 24
22.8
25.6
5
70
TCBZX79C 27
25.1
28.9
2
80
TCBZX79C 30
28
32
2
80
TCBZX79C 33
31
35
2
80
TCBZX79C 36
34
38
2
90
TCBZX79C 39
37
41
2
130
TCBZX79C 43
40
46
2
150
TCBZX79C 47
44
50
2
170
TCBZX79C 51
48
54
2
180
TCBZX79C 56
52
60
2
200
TCBZX79C 62
58
66
2.5
215
TCBZX79C 68
64
72
2.5
240
TCBZX79C 75
70
80
2.5
255
V
F
Forward Voltage = 1.5 V Maximum @
I
F
= 100 mA for all types
Z
ZT
@ I
ZT
V
Z
@ I
ZT
I
ZT
(Volts)
(Ω)
(mA)
Max
Min
Max
TCBZX79B 2V4
2.35
2.45
5
100
TCBZX79B 2V7
2.65
2.75
5
100
TCBZX79B 3V0
2.94
3.06
5
95
TCBZX79B 3V3
3.23
3.37
5
95
TCBZX79B 3V6
3.53
3.67
5
90
TCBZX79B 3V9
3.82
3.98
5
90
TCBZX79B 4V3
4.21
4.39
5
90
TCBZX79B 4V7
4.61
4.79
5
80
TCBZX79B 5V1
5.00
5.20
5
60
TCBZX79B 5V6
5.49
5.71
5
40
TCBZX79B 6V2
6.08
6.32
5
10
TCBZX79B 6V8
6.66
6.94
5
15
TCBZX79B 7V5
7.33
7.63
5
15
TCBZX79B 8V2
8.04
8.36
5
15
TCBZX79B 9V1
8.92
9.28
5
15
TCBZX79B 10
9.80
10.20
5
20
TCBZX79B 11
10.78
11.22
5
20
TCBZX79B 12
11.76
12.24
5
25
TCBZX79B 13
12.74
13.26
5
30
TCBZX79B 15
14.70
15.30
5
30
TCBZX79B 16
15.68
16.32
5
40
TCBZX79B 18
17.64
18.36
5
45
TCBZX79B 20
19.60
20.40
5
55
TCBZX79B 22
21.56
22.44
5
55
TCBZX79B 24
23.52
24.48
5
70
TCBZX79B 27
26.46
27.54
2
80
TCBZX79B 30
29.40
30.60
2
80
TCBZX79B 33
32.34
33.66
2
80
TCBZX79B 36
35.28
36.72
2
90
TCBZX79B 39
38.22
39.78
2
130
TCBZX79B 43
42.14
43.86
2
150
TCBZX79B 47
46.06
47.94
2
170
TCBZX79B 51
49.98
52.02
2
180
TCBZX79B 56
54.88
57.12
2
200
TCBZX79B 62
60.76
63.24
2.5
215
TCBZX79B 68
66.64
69.36
2.5
240
TCBZX79B 75
73.50
76.50
2.5
255
V
F
Forward Voltage = 1.5 V Maximum @
I
F
= 100 mA for all types
Device Type
March 2006 / D
I
ZK
(mA)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Z
ZK
@ I
ZK
(Ω)
Max
600
600
600
600
600
600
600
500
480
400
150
80
80
80
100
150
150
150
170
200
200
225
225
250
250
300
300
325
350
350
375
375
400
425
430
447
470
I
R
@ V
R
(µA)
Max
100
75
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
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
V
R
(Volts)
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
14
15.4
16.8
18.9
21
23.1
25.2
27.3
30.1
32.9
35.7
39.2
43.4
47.6
52.5
Page
2
®
TAK CHEONG
SEM IC O N DU C TO R
Notes:
1.
2.
3.
The type numbers listed have zener voltage min/max limits as shown.
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.
Ordering Information
Device
TCBZX79Cxxx
TCBZX79Bxxx
TCBZX79CxxxTB
TCBZX79BxxxTB
TCBZX79CxxxTR
TCBZX79BxxxTR
TCBZX79Cxxx
TCBZX79Bxxx
Package
Bulk
Quantity
10,000
Tape and Ammo
5,000
Tape and Reel
10,000
Others (…contact Tak Cheong sales representatives)
March 2006 / D
Page
3
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