VLZ-Series
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Rev. 1.3, 30-Jan-12 1Document Number: 81759
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Small Signal Zener Diodes
FEATURES
• Very sharp reverse characteristic
• Low reverse current level
• Very high stability
•Low noise
• High reliability
• AEC-Q101 qualified
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
TYPICAL APPLICATIONS
• Voltage stabilization
PRIMARY CHARACTERISTICS
PARAMETER VALUE UNIT
VZ range nom. 2.4 to 56 V
Test current IZT 10; 5 mA
VZ specification Pulse current
Int. construction Single
ORDERING INFORMATION
DEVICE NAME ORDERING CODE TAPED UNITS PER REEL MINIMUM ORDER QUANTITY
VLZ-series VLZ-series-GS18 10 000 (8 mm tape on 13" reel) 10 000
VLZ-series VLZ-series-GS08 2500 (8 mm tape on 7" reel) 12 500
PACKAGE
PACKAGE NAME WEIGHT MOLDING COMPOUND
FLAMMABILITY RATING
MOISTURE SENSITIVITY
LEVEL
SOLDERING
CONDITIONS
QuadroMELF SOD-80 34 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 RthJA 300 K/W Ptot 500 mW
Junction to ambient air On PC board 50 mm x 50 mm x 1.6 mm RthJA 500 K/W
Junction temperature Tj175 °C
Storage temperature range Tstg - 65 to + 175 °C
Zener current IZPtot/VZmA
Forward voltage (max.) IF = 200 mA VF1.5 V
VLZ-Series
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Rev. 1.3, 30-Jan-12 2Document Number: 81759
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ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE RANGE TEST CURRENT REVERSE LEAKAGE
CURRENT
DYNAMIC
RESISTANCE
f = 1 kHz
VZ at IZT1 IZT1 IZT2 IR at VRZZ at IZT1 ZZK at IZT2
VmA μA V
MIN. NOM. MAX. MAX. MAX. MAX.
VLZ2V4A 2.33 2.4 2.52 20 1 70 1 100 2000
VLZ2V4B 2.43 2.4 2.63 20 1 70 1 100 2000
VLZ2V7A 2.54 2.7 2.75 20 1 50 1 100 1000
VLZ2V7B 2.69 2.7 2.91 20 1 50 1 100 1000
VLZ3V0A 2.85 3.0 3.07 20 1 50 1 80 1000
VLZ3V0B 3.01 3.0 3.22 20 1 10 1 80 1000
VLZ3V3A 3.16 3.3 3.38 20 1 10 1 70 1000
VLZ3V3B 3.32 3.3 3.53 20 1 10 1 70 1000
VLZ3V6A 3.455 3.6 3.695 20 1 5 1 60 1000
VLZ3V6B 3.6 3.6 3.845 20 1 5 1 60 1000
VLZ3V9A 3.74 3.9 4.01 20 1 3 1 50 1000
VLZ3V9B 3.89 3.9 4.16 20 1 3 1 50 1000
VLZ4V3A 4.04 4.3 4.29 20 1 3 1 40 1000
VLZ4V3B 4.17 4.3 4.43 20 1 3 1 40 1000
VLZ4V3C 4.3 4.3 4.57 20 1 3 1 40 1000
VLZ4V7A 4.44 4.7 4.68 20 1 10 2 25 900
VLZ4V7B 4.55 4.7 4.8 20 1 6 2 25 900
VLZ4V7C 4.68 4.7 4.93 20 1 3 2 25 900
VLZ5V1A 4.81 5.1 5.07 20 1 2 2 20 800
VLZ5V1B 4.94 5.1 5.2 20 1 2 2 20 800
VLZ5V1C 5.09 5.1 5.37 20 1 2 2 20 800
VLZ5V6A 5.28 5.6 5.55 20 1 1 2 13 500
VLZ5V6B 5.45 5.6 5.73 20 1 1 2 13 500
VLZ5V6C 5.61 5.6 5.91 20 1 1 2 13 500
VLZ6V2A 5.78 6.2 6.09 20 1 3 4 10 300
VLZ6V2B 5.96 6.2 6.27 20 1 3 4 10 300
VLZ6V2C 6.12 6.2 6.44 20 1 3 4 10 300
VLZ6V8A 6.29 6.8 6.63 20 0.5 2 4 8 150
VLZ6V8B 6.49 6.8 6.83 20 0.5 2 4 8 150
VLZ6V8C 6.66 6.8 7.01 20 0.5 2 4 8 150
VLZ7V5A 6.85 7.5 7.22 20 0.5 3 6.5 8 120
VLZ7V5B 7.07 7.5 7.45 20 0.5 3 6.73 8 120
VLZ7V5C 7.29 7.5 7.67 20 0.5 3 6.93 8 120
VLZ8V2A 7.53 8.2 7.92 20 0.5 7.5 7.15 8 120
VLZ8V2B 7.78 8.2 8.19 20 0.5 7.5 7.39 8 120
VLZ8V2C 8.03 8.2 8.45 20 0.5 7.5 7.63 8 120
VLZ9V1A 8.29 9.1 8.73 20 0.5 0.04 7.88 8 120
VLZ9V1B 8.57 9.1 9.01 20 0.5 0.04 8.14 8 120
VLZ9V1C 8.83 9.1 9.3 20 0.5 0.04 8.39 8 120
VLZ10A 9.12 10 9.59 20 0.5 0.04 8.66 8 120
VLZ10B 9.41 10 9.9 20 0.5 0.04 8.94 8 120
VLZ10C 9.7 10 10.2 20 0.5 0.04 9.22 8 120
VLZ10D 9.94 10 10.44 20 0.5 0.04 9.44 8 120
VLZ11A 10.18 11 10.71 10 0.5 0.04 9.67 10 120
VLZ11B 10.5 11 11.05 10 0.5 0.04 9.98 10 120
VLZ-Series
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VLZ11C 10.82 11 11.38 10 0.5 0.04 10.28 10 120
VLZ12A 11.13 12 11.71 10 0.5 0.04 10.6 12 110
VLZ12B 11.44 12 12.03 10 0.5 0.04 10.9 12 110
VLZ12C 11.74 12 12.35 10 0.5 0.04 11.2 12 110
VLZ13A 12.11 13 12.75 10 0.5 0.04 11.5 14 110
VLZ13B 12.55 13 13.21 10 0.5 0.04 11.9 14 110
VLZ13C 12.99 13 13.66 10 0.5 0.04 12.3 14 110
VLZ15A 13.44 15 14.13 10 0.5 0.04 12.8 16 110
VLZ15B 13.89 15 14.62 10 0.5 0.04 13.2 16 110
VLZ15C 14.35 15 15.09 10 0.5 0.04 13.6 16 110
VLZ16A 14.8 16 15.57 10 0.5 0.04 14.1 18 150
VLZ16B 15.25 16 16.04 10 0.5 0.04 14.5 18 150
VLZ16C 15.69 16 16.51 10 0.5 0.04 14.9 18 150
VLZ18A 16.22 18 17.06 10 0.5 0.04 15.4 23 150
VLZ18B 16.82 18 17.7 10 0.5 0.04 16 23 150
VLZ18C 17.42 18 18.33 10 0.5 0.04 16.5 23 150
VLZ20A 18.02 20 18.96 10 0.5 0.04 17.1 28 200
VLZ20B 18.63 20 19.59 10 0.5 0.04 17.7 28 200
VLZ20C 19.23 20 20.22 10 0.5 0.04 18.3 28 200
VLZ20D 19.72 20 20.72 10 0.5 0.04 18.7 28 200
VLZ22A 20.15 22 21.2 5 0.5 0.04 19.1 30 200
VLZ22B 20.64 22 21.71 5 0.5 0.04 19.6 30 200
VLZ22C 21.08 22 22.17 5 0.5 0.04 20 30 200
VLZ22D 21.52 22 22.63 5 0.5 0.04 20.4 30 200
VLZ24A 22.05 24 23.18 5 0.5 0.04 20.9 35 200
VLZ24B 22.61 24 23.77 5 0.5 0.04 21.5 35 200
VLZ24C 23.12 24 24.31 5 0.5 0.04 22 35 200
VLZ24D 23.63 24 24.85 5 0.5 0.04 22.4 35 200
VLZ27A 24.26 27 25.52 5 0.5 0.04 23 45 250
VLZ27B 24.97 27 26.26 5 0.5 0.04 23.7 45 250
VLZ27C 25.63 27 26.95 5 0.5 0.04 24.3 45 250
VLZ27D 26.29 27 27.64 5 0.5 0.04 25 45 250
VLZ30A 26.99 30 28.39 5 0.5 0.04 25.6 55 250
VLZ30B 27.7 30 29.13 5 0.5 0.04 26.3 55 250
VLZ30C 28.36 30 29.82 5 0.5 0.04 26.9 55 250
VLZ30D 29.02 30 30.51 5 0.5 0.04 27.6 55 250
VLZ33A 29.68 33 31.22 5 0.5 0.04 28.2 65 250
VLZ33B 30.32 33 31.88 5 0.5 0.04 28.8 65 250
VLZ33C 30.9 33 32.5 5 0.5 0.04 29.4 65 250
VLZ33D 31.49 33 33.11 5 0.5 0.04 29.9 65 250
VLZ36A 32.14 36 33.79 5 0.5 0.04 30.5 75 250
VLZ36B 32.79 36 34.49 5 0.5 0.04 31.2 75 250
VLZ36C 33.4 36 35.13 5 0.5 0.04 31.7 75 250
VLZ36D 34.01 36 35.77 5 0.5 0.04 32.3 75 250
VLZ39A 34.68 39 36.47 5 0.5 0.04 32.9 85 250
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE RANGE TEST CURRENT REVERSE LEAKAGE
CURRENT
DYNAMIC
RESISTANCE
f = 1 kHz
VZ at IZT1 IZT1 IZT2 IR at VRZZ at IZT1 ZZK at IZT2
VmA μA V
MIN. NOM. MAX. MAX. MAX. MAX.
VLZ-Series
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Rev. 1.3, 30-Jan-12 4Document Number: 81759
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BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Fig. 1 - Total Power Dissipation vs. Ambient Temperature
Fig. 2 - Typical Change of Working Voltage under Operating
Conditions at Tamb = 25 °C
Fig. 3 - Typical Change of Working Voltage vs.
Junction Temperature
Fig. 4 - Temperature Coefficient of VZ vs. Z-Voltage
VLZ39B 35.36 39 37.19 5 0.5 0.04 33.6 85 250
VLZ39C 36 39 37.85 5 0.5 0.04 34.2 85 250
VLZ39D 36.63 39 38.52 5 0.5 0.04 34.8 85 250
VLZ39E 37.36 39 39.29 5 0.5 0.04 35.5 85 250
VLZ39F 38.14 39 40.11 5 0.5 0.04 36.2 85 250
VLZ39G 38.94 39 40.8 5 0.5 0.04 37 85 250
VLZ43 404345 5 -0.043890 -
VLZ47 44 47 49 5 - 0.04 41.8 90 -
VLZ51 48 51 54 5 - 0.04 45.6 100 -
VLZ56 53 56 60 5 - 0.04 50.4 100 -
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE RANGE TEST CURRENT REVERSE LEAKAGE
CURRENT
DYNAMIC
RESISTANCE
f = 1 kHz
VZ at IZT1 IZT1 IZT2 IR at VRZZ at IZT1 ZZK at IZT2
VmA μA V
MIN. NOM. MAX. MAX. MAX. MAX.
0 120 160
0
100
300
400
500
600
Ptot - Total Power Dissipation (mW)
Tamb - Ambient Temperature (°C)
200
95 9602
200
80
40
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)
VLZ-Series
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Rev. 1.3, 30-Jan-12 5Document Number: 81759
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Fig. 5 - Diode Capacitance vs. Z-Voltage
Fig. 6 - Forward Current vs. Forward Voltage
Fig. 7 - Z-Current vs. Z-Voltage
Fig. 8 - Z-Current vs. Z-Voltage
Fig. 9 - Differential Z-Resistance vs. Z-Voltage
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)
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
VLZ-Series
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Fig. 10 - Thermal Response
PACKAGE DIMENSIONS in millimeters (inches): QuadroMELF SOD-80
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)
2.5 [0.098] max.
1.25 [0.049] min.
5 [0.197] ref.
2 [0.079] min.
>
R3 [R0.118]
Document no.:6.560-5006.01a-4
foot print recommendation:
20909
Created - Date: 16.October.2007
3.7 [0.146]
3.3 [0.130]
∅1.6 [0.063]
∅1.4 [0.055]
0.47 max. [0.019]
*
The gap between plug and glass can
be either on cathode or anode side
*
1.75 [0.069]
1
.55 [0.061]
Glass
Glass
Cathode Identification
Legal Disclaimer Notice
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Revision: 12-Mar-12 1Document Number: 91000
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