TZX-Series
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Rev. 2.3, 22-Nov-11 1Document Number: 85614
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Small Signal Zener Diodes
FEATURES
• Very sharp reverse characteristic
• Low reverse current level
• Very high stability
•Low noise
• AEC-Q101 qualified
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
• Halogen-free according to IEC 61249-2-21 definition
APPLICATIONS
• Voltage stabilization
PRIMARY CHARACTERISTICS
PARAMETER VALUE UNIT
VZ range nom. 2.4 to 36 V
Test current IZT 2; 5 mA
VZ specification Pulse current
Int. construction Single
ORDERING INFORMATION
DEVICE NAME ORDERING CODE TAPED UNITS PER REEL MINIMUM ORDER QUANTITY
TZX-series TZX-series-TAP 10 000 per ammopack
(52 mm tape) 30 000/box
TZX-series TZX-series-TR 10 000 per 14" reel
(52 mm tape) 30 000/box
PACKAGE
PACKAGE NAME WEIGHT MOLDING COMPOUND
FLAMMABILITY RATING
MOISTURE SENSITIVITY
LEVEL
SOLDERING
CONDITIONS
DO-35 125 mg UL 94 V-0 MSL level 1
(according J-STD-020) 260 °C/10 s at terminals
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Power dissipation l = 4 mm, TL = 25 °C Ptot 500 mW
Zener current IZPtot/VZmA
Thermal resistance junction to ambient air l = 4 mm, TL =constant RthJA 300 K/W
Junction temperature Tj175 °C
Storage temperature range Tstg - 65 to + 175 °C
Forward voltage (max.) IF = 200 mA VF1.5 V
TZX-Series
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Rev. 2.3, 22-Nov-11 2Document Number: 85614
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ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE RANGE TEST
CURRENT REVERSE LEAKAGE CURRENT DYNAMIC
RESISTANCE
VZ at IZT1 IZT1 IR at VRIR at VR (1) ZZ at IZT1
VmA μA VμA VΩ
MIN. NOM.
MAX.
MAX. MAX.
MAX.
TZX2V4A 2.3 2.4 2.5 5 5 0.5 50 1 100
TZX2V4B 2.4 2.4 2.6 5 5 0.5 50 1 100
TZX2V7A 2.5 2.7 2.7 5 5 0.5 10 1 100
TZX2V7B 2.6 2.7 2.8 5 5 0.5 10 1 100
TZX2V7C 2.7 2.7 2.9 5 5 0.5 10 1 100
TZX3V0A 2.8 3.0 3 5 5 0.5 6 1 100
TZX3V0B 2.9 3.0 3.1 5 5 0.5 6 1 100
TZX3V0C 3 3.0 3.2 5 5 0.5 6 1 100
TZX3V3A 3.1 3.3 3.3 5 5 1 2 1 100
TZX3V3B 3.2 3.3 3.4 5 5 1 2 1 100
TZX3V3C 3.3 3.3 3.5 5 5 1 2 1 100
TZX3V6A 3.4 3.6 3.6 5 5 1 2 1 100
TZX3V6B 3.5 3.6 3.7 5 5 1 2 1 100
TZX3V6C 3.6 3.6 3.8 5 5 1 2 1 100
TZX3V9A 3.7 3.9 3.9 5 5 1 2 1 100
TZX3V9B 3.8 3.9 4 5 5 1 2 1 100
TZX3V9C 3.9 3.9 4.1 5 5 1 2 1 100
TZX4V3A 4 4.3 4.2 5 5 1.5 1 1 100
TZX4V3B 4.1 4.3 4.3 5 5 1.5 1 1 100
TZX4V3C 4.2 4.3 4.4 5 5 1.5 1 1 100
TZX4V3D 4.3 4.3 4.5 5 5 1.5 1 1 100
TZX4V7A 4.4 4.7 4.6 5 5 2 6 2 100
TZX4V7B 4.5 4.7 4.7 5 5 2 5 2 100
TZX4V7C 4.6 4.7 4.8 5 5 2 4 2 100
TZX4V7D 4.7 4.7 4.9 5 5 2 3 2 100
TZX5V1A 4.8 5.1 5 5 5 2 2 2 100
TZX5V1B 4.9 5.1 5.1 5 5 2 2 2 100
TZX5V1C 5 5.1 5.2 5 5 2 2 2 100
TZX5V1D 5.1 5.1 5.3 5 5 2 2 2 100
TZX5V6A 5.2 5.6 5.5 5 5 2 1 2 40
TZX5V6B 5.3 5.6 5.6 5 5 2 1 2 40
TZX5V6C 5.4 5.6 5.7 5 5 2 1 2 40
TZX5V6D 5.5 5.6 5.8 5 5 2 1 2 40
TZX5V6E 5.6 5.6 5.9 5 5 2 1 2 40
TZX6V2A 5.7 6.2 6 5 1 3 3 4 15
TZX6V2B 5.8 6.2 6.1 5 1 3 3 4 15
TZX6V2C 6 6.2 6.3 5 1 3 3 4 15
TZX6V2D 6.1 6.2 6.4 5 1 3 3 4 15
TZX6V2E 6.3 6.2 6.6 5 1 3 3 4 15
TZX6V8A 6.4 6.8 6.7 5 1 3.5 2 4 15
TZX6V8B 6.6 6.8 6.9 5 1 3.5 2 4 15
TZX6V8C 6.7 6.8 7 5 1 3.5 2 4 15
TZX6V8D 6.9 6.8 7.2 5 1 3.5 2 4 15
TZX-Series
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Rev. 2.3, 22-Nov-11 3Document Number: 85614
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TZX7V5A 7 7.5 7.3 5 1 5 30 6.65 15
TZX7V5B 7.2 7.5 7.6 5 1 5 30 6.84 15
TZX7V5C 7.3 7.5 7.7 5 1 5 30 6.94 15
TZX7V5D 7.5 7.5 7.9 5 1 5 30 7.13 15
TZX7V5X 7.07 7.5 7.45 5 1 5 30 6.72 15
TZX8V2A 7.7 8.2 8.1 5 1 6.2 0.1 7.32 20
TZX8V2B 7.9 8.2 8.3 5 1 6.2 0.1 7.5 20
TZX8V2C 8.1 8.2 8.5 5 1 6.2 0.1 7.7 20
TZX8V2D 8.3 8.2 8.7 5 1 6.2 0.1 7.98 20
TZX9V1A 8.5 9.1 8.9 5 1 6.8 0.04 8.08 20
TZX9V1B 8.7 9.1 9.1 5 1 6.8 0.04 8.27 20
TZX9V1C 8.9 9.1 9.3 5 1 6.8 0.04 8.46 20
TZX9V1D 9.1 9.1 9.5 5 1 6.8 0.04 8.65 20
TZX9V1E 9.3 9.1 9.7 5 1 6.8 0.04 8.84 20
TZX10A 9.5 10 9.9 5 1 7.5 0.04 9.03 25
TZX10B 9.7 10 10.1 5 1 7.5 0.04 9.22 25
TZX10C 9.9 10 10.3 5 1 7.5 0.04 9.41 25
TZX10D 10.2 10 10.6 5 1 7.5 0.04 9.69 25
TZX11A 10.4 11 10.8 5 1 8.2 0.04 9.88 25
TZX11B 10.7 11 11.1 5 1 8.2 0.04 10.2 25
TZX11C 10.9 11 11.3 5 1 8.2 0.04 10.4 25
TZX11D 11.1 11 11.6 5 1 8.2 0.04 10.5 25
TZX12A 11.4 12 11.9 5 1 9.5 0.04 10.8 35
TZX12B 11.6 12 12.1 5 1 9.5 0.04 11 35
TZX12C 11.9 12 12.4 5 1 9.5 0.04 11.3 35
TZX12D 12.2 12 12.7 5 1 9.5 0.04 11.6 35
TZX12X 11.44 12 12.03 5 1 9.5 0.04 10.9 35
TZX13A 12.4 13 12.9 5 1 10 0.04 11.8 35
TZX13B 12.6 13 13.1 5 1 10 0.04 12 35
TZX13C 12.9 13 13.4 5 1 10 0.04 12.3 35
TZX14A 13.2 14 13.7 5 1 11 0.04 12.5 35
TZX14B 13.5 14 14 5 1 11 0.04 12.8 35
TZX14C 13.8 14 14.3 5 1 11 0.04 13.1 35
TZX15A 14.1 15 14.7 5 1 11.5 0.04 13.4 40
TZX15B 14.5 15 15.1 5 1 11.5 0.04 13.8 40
TZX15C 14.9 15 15.5 5 1 11.5 0.04 14.2 40
TZX15X 14.35 15 15.09 5 1 11.5 0.04 13.6 40
TZX16A 15.3 16 15.9 5 1 12 0.04 14.5 45
TZX16B 15.7 16 16.5 5 1 12 0.04 14.9 45
TZX16C 16.3 16 17.1 5 1 12 0.04 15.5 45
TZX18A 16.9 18 17.7 5 1 13 0.04 16.1 55
TZX18B 17.5 18 18.3 5 1 13 0.04 16.6 55
TZX18C 18.1 18 19 5 1 13 0.04 17.2 55
TZX20A 18.8 20 19.7 2 1 15 0.04 17.9 60
TZX20B 19.5 20 20.4 2 1 15 0.04 18.5 60
TZX20C 20.2 20 21.2 2 1 15 0.04 19.2 60
TZX22A 20.9 22 21.9 2 1 17 0.04 19.9 65
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE RANGE TEST
CURRENT REVERSE LEAKAGE CURRENT DYNAMIC
RESISTANCE
VZ at IZT1 IZT1 IR at VRIR at VR (1) ZZ at IZT1
VmA μA VμA VΩ
MIN. NOM.
MAX.
MAX. MAX.
MAX.
TZX-Series
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Rev. 2.3, 22-Nov-11 4Document Number: 85614
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Notes
• Additional measurement of voltage group TZM9V1 to TZX36, IR at 95 % VZmin. ≤ 40 nA at Tj = 25 °C
(1) Additional measurement
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Fig. 1 - Thermal Resistance vs. Lead Length Fig. 2 - Total Power Dissipation vs. Ambient Temperature
TZX22B 21.6 22 22.6 2 1 17 0.04 20.5 65
TZX22C 22.3 22 23.3 2 1 17 0.04 21.2 65
TZX24A 22.9 24 24 2 1 19 0.04 21.8 70
TZX24B 23.6 24 24.7 2 1 19 0.04 22.4 70
TZX24C 24.3 24 25.5 2 1 19 0.04 23.1 70
TZX24X 22.61 24 23.77 2 1 19 0.04 21.5 70
TZX27A 25.2 27 26.6 2 1 21 0.04 23.9 80
TZX27B 26.2 27 27.6 2 1 21 0.04 24.9 80
TZX27C 27.2 27 28.6 2 1 21 0.04 25.8 80
TZX27X 26.99 27 28.39 2 1 21 0.04 25.6 80
TZX30A 28.2 30 29.6 2 1 23 0.04 26.8 100
TZX30B 29.2 30 30.6 2 1 23 0.04 27.7 100
TZX30C 30.2 30 31.6 2 1 23 0.04 28.7 100
TZX30X 29.02 30 30.51 2 1 23 0.04 27.6 100
TZX33A 31.2 33 32.6 2 1 25 0.04 29.6 120
TZX33B 32.2 33 33.6 2 1 25 0.04 30.6 120
TZX33C 33.2 33 34.5 2 1 25 0.04 31.5 120
TZX36A 34.2 36 35.7 2 1 27 0.04 32.5 140
TZX36B 35.3 36 36.8 2 1 27 0.04 33.5 140
TZX36C 36.4 36 38 2 1 27 0.04 34.6 140
TZX36X 35.36 36 37.19 2 1 27 0.04 33.6 140
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE RANGE TEST
CURRENT REVERSE LEAKAGE CURRENT DYNAMIC
RESISTANCE
VZ at IZT1 IZT1 IR at VRIR at VR (1) ZZ at IZT1
VmA μA VμA VΩ
MIN. NOM.
MAX.
MAX. MAX.
MAX.
95 9611
0 5 10 15
0
100
200
300
400
500
20
ll
RthJA - Therm. Resist. Junction Ambient (K/W)
I - Lead Length (mm)
TL = constant
0 120 160
0
100
300
400
500
600
Ptot - Total Power Dissipation (mW)
Tamb - Ambient Temperature (°C)
200
95 9602
200
80
40
TZX-Series
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Rev. 2.3, 22-Nov-11 5Document Number: 85614
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Fig. 3 - Typical Change of Working Voltage under Operating
Conditions at Tamb = 25 °C
Fig. 4 - Typical Change of Working Voltage vs.
Junction Temperature
Fig. 5 - Temperature Coefficient of Vz vs. Z-Voltage
Fig. 6 - Diode Capacitance vs. Z-Voltage
Fig. 7 - Forward Current vs. Forward Voltage
Fig. 8 - Z-Current vs. Z-Voltage
10 15 20
1
10
100
1000
V
Z
- Voltage Change (mV)
V
Z
- Z-Voltage (V)
25
95 9598
Tj = 25 °C
IZ = 5 mA
05
- 60 60 120 180
0.8
0.9
1.0
1.1
1.2
1.3
V
Ztn
- Relative Voltage Change
Tj - Junction Temperature (°C)
240
95 9599
0
VZtn = VZt/VZ (25 °C)
0
TK
VZ
= 10 x 10-4/K
8 x 10-4/K
2 x 10-4/K
6 x 10-4/K
4 x 10-4/K
- 4 x 10-4/K
- 2 x 10-4/K
- 5
0
5
10
15
VZ - Z-Voltage (V)
95 9600
IZ = 5 mA
0 10 203040 50
TKVZ - Temperature Coefficient
of VZ (10-4/K)
10 15
0
50
100
150
200
C
D
- Diode Capacitance (pF)
V
Z
- Z-Voltage (V)
25
95 9601
20
T
j
= 25 °C
V
R
= 2 V
05
0 0.2 0.4 0.6 0.8
0.001
0.01
0.1
1
10
100
1.0
95 9605
IF - Forward Current (mA)
VF - Forward Voltage (V)
Tj = 25 °C
820
95 9604
0
20
40
60
80
100
IZ - Z-Current (mA)
Ptot = 500 mW
Tamb = 25 °C
046 12
VZ - Z-Voltage (V)
TZX-Series
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Rev. 2.3, 22-Nov-11 6Document Number: 85614
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Fig. 9 - Z-Current vs. Z-Voltage Fig. 10 - Differential Z-Resistance vs. Z-Voltage
Fig. 11 - Thermal Response
PACKAGE DIMENSIONS in millimeters (inches): DO-35
15 20 25 30
0
10
20
30
40
50
IZ - Z-Current (mA)
VZ - Z-Voltage (V)
35
95 9607
Ptot = 500 mW
Tamb = 25 °C
0 101520
1
10
100
1000
25
95 9606
Tj = 25 °C
IZ = 1 mA
5 mA
10 mA
V
Z
- Z-Voltage (V)
r
Z
- Differential Z-Resistance (Ω)
5
1
10
100
1000
Zthp - Thermal Resistance for Pulse Cond. (KW)
tp - Pulse Length (ms) 95 9603
10-1 100101102
tp/T = 0.5
tp/T = 0.2
tp/T = 0.1
tp/T = 0.05
tp/T = 0.02
tp/T = 0.01
Single Pulse RthJA = 300 K/W
T = Tjmax - Tamb
iZM = (- VZ + (VZ
2 + 4rzj x T/Zthp) 1/2)/(2rzj)
94 9366
26 (1.024) min. 3.9 (0.154) max. 26 (1.024) min.
0.55. (0.022) max.
Cathode identification
1.7 (0.067)
1.5 (0.059)
Rev. 6 - Date: 29. January 2007
Document no.: 6.560-5004.02-4
Document Number: 91000 www.vishay.com
Revision: 11-Mar-11 1
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