TLZ-Series
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Vishay Semiconductors
Small Signal Zener Diodes
FEATURES
• Very sharp reverse characteristic
• Low reverse current level
• Very high stability
• Low noise
• High reliability
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
LINKS TO ADDITIONAL RESOURCES
APPLICATIONS
3D 3D
• Voltage stabilization
3D Models
PRIMARY CHARACTERISTICS
PARAMETER
VALUE
UNIT
VZ range nom.
2.4 to 56
V
Test current IZT
5 to 20
mA
VZ specification
Pulse current
Circuit configuration
Single
ORDERING INFORMATION
DEVICE NAME
ORDERING CODE
TAPED UNITS PER REEL
MINIMUM ORDER QUANTITY
TLZ-series
TLZ-series-GS18
10 000 (8 mm tape on 13" reel)
10 000/box
TLZ-series
TLZ-series-GS08
2500 (8 mm tape on 7" reel)
12 500/box
PACKAGE
PACKAGE NAME
MiniMELF (SOD-80)
WEIGHT
MOLDING COMPOUND
FLAMMABILITY RATING
MOISTURE SENSITIVITY
LEVEL
SOLDERING CONDITIONS
31 mg
UL 94 V-0
MSL level 1
(according J-STD-020)
Peak temperature max. 260 °C
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Power dissipation
TEST CONDITION
SYMBOL
VALUE
UNIT
RthJA ≤ 300 K/W
Ptot
500
mW
IZ
Ptot/VZ
mA
On PC board 50 mm x 50 mm x 1.6 mm
RthJA
500
K/W
Tj
175
°C
Tstg
-65 to +175
°C
VF
1.5
V
Zener current
Junction to ambient air
Junction temperature
Storage temperature range
Forward voltage (max.)
IF = 200 mA
Rev. 2.5, 25-Nov-2021
Document Number: 85635
1
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TLZ-Series
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Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
PART NUMBER
MARKING
CODE
VZ at IZT1
TEST CURRENT
IZT1
V
IZT2
mA
MIN.
MAX.
REVERSE LEAKAGE
CURRENT
IR at VR
μA
DYNAMIC RESISTANCE
ZZ at IZT1
Ω
V
MAX.
ZZK at IZT2
MAX.
MAX.
2000
TLZ2V4A
2A4
2.33
2.52
20
1
70
1
100
TLZ2V4B
2B4
2.43
2.63
20
1
70
1
100
2000
TLZ2V7A
2A7
2.54
2.75
20
1
50
1
100
1000
TLZ2V7B
2B7
2.69
2.91
20
1
50
1
100
1000
TLZ3V0A
3A0
2.85
3.07
20
1
50
1
80
1000
TLZ3V0B
3B0
3.01
3.22
20
1
10
1
80
1000
1000
TLZ3V3A
3A3
3.16
3.38
20
1
10
1
70
TLZ3V3B
3B3
3.32
3.53
20
1
10
1
70
1000
TLZ3V6A
3A6
3.455
3.695
20
1
5
1
60
1000
TLZ3V6B
3B6
3.6
3.845
20
1
5
1
60
1000
TLZ3V9A
3A9
3.74
4.01
20
1
3
1
50
1000
TLZ3V9B
3B9
3.89
4.16
20
1
3
1
50
1000
TLZ4V3A
4A3
4.04
4.29
20
1
3
1
40
1000
TLZ4V3B
4B3
4.17
4.43
20
1
3
1
40
1000
TLZ4V3C
4C3
4.3
4.57
20
1
3
1
40
1000
TLZ4V7A
4A7
4.44
4.68
20
1
5
1
25
900
TLZ4V7B
4B7
4.55
4.8
20
1
5
1
25
900
TLZ4V7C
4C7
4.68
4.93
20
1
5
1
25
900
TLZ5V1A
5A1
4.81
5.07
20
1
2
2
20
800
TLZ5V1B
5B1
4.94
5.2
20
1
2
2
20
800
TLZ5V1C
5C1
5.09
5.37
20
1
2
2
20
800
TLZ5V6A
5A6
5.28
5.55
20
1
1
2
13
500
TLZ5V6B
5B6
5.45
5.73
20
1
1
2
13
500
TLZ5V6C
5C6
5.61
5.91
20
1
1
2
13
500
TLZ6V2A
6A2
5.78
6.09
20
1
3
4
10
300
TLZ6V2B
6B2
5.96
6.27
20
1
3
4
10
300
TLZ6V2C
6C2
6.12
6.44
20
1
3
4
10
300
TLZ6V8A
6A8
6.29
6.63
20
0.5
2
4
8
150
TLZ6V8B
6B8
6.49
6.83
20
0.5
2
4
8
150
TLZ6V8C
6C8
6.66
7.01
20
0.5
2
4
8
150
120
TLZ7V5A
7A5
6.85
7.22
20
0.5
3
6.5
8
TLZ7V5B
7B5
7.07
7.45
20
0.5
3
6.73
8
120
TLZ7V5C
7C5
7.29
7.67
20
0.5
3
6.93
8
120
TLZ8V2A
8A2
7.53
7.92
20
0.5
7.5
7.15
8
120
TLZ8V2B
8B2
7.78
8.19
20
0.5
7.5
7.39
8
120
TLZ8V2C
8C2
8.03
8.45
20
0.5
7.5
7.63
8
120
TLZ9V1A
9A1
8.29
8.73
20
0.5
0.04
7.88
8
120
TLZ9V1B
9B1
8.57
9.01
20
0.5
0.04
8.14
8
120
TLZ9V1C
9C1
8.83
9.3
20
0.5
0.04
8.39
8
120
TLZ10A
10A
9.12
9.59
20
0.5
0.04
8.66
8
120
TLZ10B
10B
9.41
9.9
20
0.5
0.04
8.94
8
120
TLZ10C
10C
9.7
10.2
20
0.5
0.04
9.22
8
120
TLZ10D
10D
9.94
10.44
20
0.5
0.04
9.44
8
120
Rev. 2.5, 25-Nov-2021
Document Number: 85635
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TLZ-Series
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Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
PART NUMBER
MARKING
CODE
VZ at IZT1
TEST CURRENT
IZT1
V
IZT2
mA
MIN.
MAX.
REVERSE LEAKAGE
CURRENT
IR at VR
μA
DYNAMIC RESISTANCE
ZZ at IZT1
Ω
V
MAX.
ZZK at IZT2
MAX.
MAX.
120
TLZ11A
11A
10.18
10.71
10
0.5
0.04
9.67
10
TLZ11B
11B
10.5
11.05
10
0.5
0.04
9.98
10
120
TLZ11C
11C
10.82
11.38
10
0.5
0.04
10.28
10
120
TLZ12A
12A
11.13
11.71
10
0.5
0.04
10.6
12
110
TLZ12B
12B
11.44
12.03
10
0.5
0.04
10.9
12
110
TLZ12C
12C
11.74
12.35
10
0.5
0.04
11.2
12
110
TLZ13A
13A
12.11
12.75
10
0.5
0.04
11.5
14
110
TLZ13B
13B
12.55
13.21
10
0.5
0.04
11.9
14
110
TLZ13C
13C
12.99
13.66
10
0.5
0.04
12.3
14
110
TLZ15A
15A
13.44
14.13
10
0.5
0.04
12.8
16
110
TLZ15B
15B
13.89
14.62
10
0.5
0.04
13.2
16
110
TLZ15C
15C
14.35
15.09
10
0.5
0.04
13.6
16
110
TLZ16A
16A
14.8
15.57
10
0.5
0.04
14.1
18
150
TLZ16B
16B
15.25
16.04
10
0.5
0.04
14.5
18
150
TLZ16C
16C
15.69
16.51
10
0.5
0.04
14.9
18
150
TLZ18A
18A
16.22
17.06
10
0.5
0.04
15.4
23
150
TLZ18B
18B
16.82
17.7
10
0.5
0.04
16
23
150
TLZ18C
18C
17.42
18.33
10
0.5
0.04
16.5
23
150
TLZ20A
20A
18.02
18.96
10
0.5
0.04
17.1
28
200
TLZ20B
20B
18.63
19.59
10
0.5
0.04
17.7
28
200
TLZ20C
20C
19.23
20.22
10
0.5
0.04
18.3
28
200
TLZ20D
20D
19.72
20.72
10
0.5
0.04
18.7
28
200
TLZ22A
22A
20.15
21.2
5
0.5
0.04
19.1
30
200
TLZ22B
22B
20.64
21.71
5
0.5
0.04
19.6
30
200
TLZ22C
22C
21.08
22.17
5
0.5
0.04
20
30
200
TLZ22D
22D
21.52
22.63
5
0.5
0.04
20.4
30
200
TLZ24A
24A
22.05
23.18
5
0.5
0.04
20.9
35
200
TLZ24B
24B
22.61
23.77
5
0.5
0.04
21.5
35
200
TLZ24C
24C
23.12
24.31
5
0.5
0.04
22
35
200
TLZ24D
24D
23.63
24.85
5
0.5
0.04
22.4
35
200
TLZ27A
27A
24.26
25.52
5
0.5
0.04
23
45
250
TLZ27B
27B
24.97
26.26
5
0.5
0.04
23.7
45
250
TLZ27C
27C
25.63
26.95
5
0.5
0.04
24.3
45
250
TLZ27D
27D
26.29
27.64
5
0.5
0.04
25
45
250
TLZ30A
30A
26.99
28.39
5
0.5
0.04
25.6
55
250
TLZ30B
30B
27.7
29.13
5
0.5
0.04
26.3
55
250
TLZ30C
30C
28.36
29.82
5
0.5
0.04
26.9
55
250
TLZ30D
30D
29.02
30.51
5
0.5
0.04
27.6
55
250
TLZ33A
33A
29.68
31.22
5
0.5
0.04
28.2
65
250
TLZ33B
33B
30.32
31.88
5
0.5
0.04
28.8
65
250
TLZ33C
33C
30.9
32.5
5
0.5
0.04
29.4
65
250
TLZ33D
33D
31.49
33.11
5
0.5
0.04
29.9
65
250
TLZ36A
36A
32.14
33.79
5
0.5
0.04
30.5
75
250
TLZ36B
36B
32.79
34.49
5
0.5
0.04
31.2
75
250
TLZ36C
36C
33.4
35.13
5
0.5
0.04
31.7
75
250
TLZ36D
36D
34.01
35.77
5
0.5
0.04
32.3
75
250
Rev. 2.5, 25-Nov-2021
Document Number: 85635
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TLZ-Series
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Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
MARKING
CODE
PART NUMBER
VZ at IZT1
TEST CURRENT
IZT1
V
REVERSE LEAKAGE
CURRENT
IZT2
IR at VR
mA
MIN.
MAX.
DYNAMIC RESISTANCE
μA
ZZ at IZT1
ZZK at IZT2
Ω
V
MAX.
MAX.
MAX.
250
TLZ39A
39A
34.68
36.47
5
0.5
0.04
32.9
85
TLZ39B
39B
35.36
37.19
5
0.5
0.04
33.6
85
250
TLZ39C
39C
36
37.85
5
0.5
0.04
34.2
85
250
TLZ39D
39D
36.63
38.52
5
0.5
0.04
34.8
85
250
TLZ39E
39E
37.36
39.29
5
0.5
0.04
35.5
85
250
TLZ39F
39F
38.14
40.11
5
0.5
0.04
36.2
85
250
TLZ39G
250
39G
38.94
40.8
5
0.5
0.04
37
85
TLZ43
43
40
45
5
-
0.04
38
90
-
TLZ47
47
44
49
5
-
0.04
41.8
90
-
TLZ51
51
48
54
5
-
0.04
45.6
100
-
TLZ56
56
53
60
5
-
0.04
50.4
100
-
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
1.3
VZtn - Relative Voltage Change
Ptot - Total Power Dissipation (mW)
600
500
400
300
200
100
0
VZtn = VZt/VZ (25 °C)
1.2
95 9602
80
120
160 200
40
Tamb - Ambient Temperature (°C)
Fig. 1 - Total Power Dissipation vs. Ambient Temperature
1.1
4 x 10-4/K
2 x 10-4/K
0
1.0
- 2 x 10-4/K
- 4 x 10-4/K
0.9
- 60
0
60
120
180
240
Tj - Junction Temperature (°C)
95 9599
Fig. 3 - Typical Change of Working Voltage vs.
Junction Temperature
15
TKVZ - Temperature Coefficient
of VZ (10-4/K)
1000
VZ - Voltage Change (mV)
8 x 10-4/K
6 x 10-4/K
0.8
0
100
IZ = 5 mA
10
10
5
IZ = 5 mA
0
-5
1
0
95 9598
TKVZ = 10 x 10-4/K
5
10
15
20
0
25
VZ - Z-Voltage (V)
Fig. 2 - Typical Change of Working Voltage under Operating
Conditions at Tamb = 25 °C
95 9600
10
20
30
40
50
VZ - Z-Voltage (V)
Fig. 4 - Temperature Coefficient of VZ vs. Z-Voltage
Rev. 2.5, 25-Nov-2021
Document Number: 85635
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TLZ-Series
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Vishay Semiconductors
50
VR = 2 V
Tj = 25 °C
100
50
30
20
10
0
0
0
10
5
15
20
25
VZ - Z-Voltage (V)
95 9601
15
20
25
30
35
VZ - Z-Voltage (V)
95 9607
Fig. 5 - Diode Capacitance vs. Z-Voltage
Fig. 8 - Z-Current vs. Z-Voltage
1000
rZ - Differential Z-Resistance (Ω)
100
IF - Forward Current (mA)
Ptot = 500 mW
Tamb = 25 °C
40
150
IZ - Z-Current (mA)
CD - Diode Capacitance (pF)
200
10
Tj = 25 °C
1
0.1
0.01
0.001
IZ = 1 mA
100
5 mA
10 10 mA
Tj = 25 °C
1
0
0.2
0.4
0.6
0.8
1.0
VF - Forward Voltage (V)
959605
0
95 9606
Fig. 6 - Forward Current vs. Forward Voltage
5
10
15
20
25
VZ - Z-Voltage (V)
Fig. 9 - Differential Z-Resistance vs. Z-Voltage
100
IZ - Z-Current (mA)
80
Ptot = 500 mW
Tamb = 25 °C
60
40
20
0
0
95 9604
4
6
8
12
20
VZ - Z-Voltage (V)
Fig. 7 - Z-Current vs. Z-Voltage
Rev. 2.5, 25-Nov-2021
Document Number: 85635
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TLZ-Series
Zthp - Thermal Resistance for Pulse Cond. (K/W)
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Vishay Semiconductors
1000
tp/T = 0.5
100
tp/T = 0.2
Single Pulse
RthJA = 300 K/W
T = Tj max. - Tamb
10
tp/T = 0.01
tp/T = 0.1
tp/T = 0.02
tp/T = 0.05
1
10-1
iZM = (- VZ + (VZ2 + 4rzj x T/Zthp) 1/2)/(2rzj)
100
101
102
95 9603
tp - Pulse Length (ms)
Fig. 10 - Thermal Response
MARKING VOLTAGE GROUP
TLZ2V4A
2A4
2A4
2A4
2A4
18660_2
Remark
The Zener voltage group TLZ2V4A is printed with max 3 digits 3 times on the surface. The marking should be readable at
minimum 2 times. The third print is allowed to be incomplete due to tolerances in diameter of the glass body.
Rev. 2.5, 25-Nov-2021
Document Number: 85635
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ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
TLZ-Series
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Vishay Semiconductors
PACKAGE DIMENSIONS in millimeters (inches): MiniMELF (SOD-80)
1.6 (0.063)
1.4 (0.055)
Cathode indentification
*
0.47 (0.019) max.
3.7 (0.146)
3.3 (0.130)
* The gap between plug and glass can
be either on cathode or anode side
2.5 (0.098) max.
1.25 (0.49) min.
2 (0.079) min.
Foot print recommendation:
5 (0.197) ref.
Rev. 2.5, 25-Nov-2021
Document Number: 85635
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Disclaimer
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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
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Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
to the warranty expressed therein.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2023 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2023
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Document Number: 91000