BZX84B4V7LT1,
BZX84C2V4LT1 Series
Zener Voltage Regulators
225 mW SOT-23 Surface Mount
This series of Zener diodes is offered in the convenient, surface
mount plastic SOT-23 package. These devices are designed to provide
voltage regulation with minimum space requirement. They are well
suited for applications such as cellular phones, hand held portables,
and high density PC boards.
Features
•225 mW Rating on FR-4 or FR-5 Board
•Zener Breakdown Voltage Range - 2.4 V to 75 V
•Package Designed for Optimal Automated Board Assembly
•Small Package Size for High Density Applications
•ESD Rating of Class 3 (>16 KV) per Human Body Model
•Tight Tolerance Series Available (See Page 4)
•Pb-Free Packages are Available
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3
Cathode
1
Anode
MARKING
DIAGRAM
3
1
2
SOT-23
CASE 318
STYLE 8
xxx MG
G
1
Mechanical Characteristics
CASE:
Void‐free, transfer‐molded, thermosetting plastic case
FINISH: Corrosion resistant finish, easily Solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
260°C for 10 Seconds
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V-0
MAXIMUM RATINGS
Rating Symbol Max Unit
Total Power Dissipation on FR-5 Board,
(Note 1) @ T
Derated above 25°C
Thermal Resistance, Junction-to-Ambient
Total Power Dissipation on Alumina
Substrate, (Note 2) @ T
Derated above 25°C
Thermal Resistance, Junction-to-Ambient
Junction and Storage Temperature Range TJ, T
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. FR-5 = 1.0 X 0.75 X 0.62 in.
2. Alumina = 0.4 X 0.3 X 0.024 in., 99.5% alumina.
= 25°C
A
= 25°C
A
P
D
R
q
JA
P
D
R
q
JA
stg
225
1.8
556
300
2.4
417
-65 to
+150
mW
mW/°C
°C/W
mW
mW/°C
°C/W
°C
xxx = Device Code
M = Date Code*
G = Pb-Free Package
(Note: Microdot may be in either location)
* Date Code orientation may vary depending
upon manufacturing location.
ORDERING INFORMATION
Device Package Shipping
BZX84CxxxLT1 SOT-23 3000/Tape & Reel
BZX84CxxxLT1G SOT-23
BZX84CxxxLT3 SOT-23 10,000/Tape & Reel
BZX84CxxxLT3G 10,000/Tape & Reel
BZX84BxxxLT1 SOT-23 3000/Tape & Reel
BZX84BxxxLT1G SOT-23
BZX84BxxxLT3 SOT-23 10,000/Tape & Reel
BZX84BxxxLT3G 10,000/Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
(Pb-Free)
SOT-23
(Pb-Free)
(Pb-Free)
SOT-23
(Pb-Free)
3000/Tape & Reel
3000/Tape & Reel
†
© Semiconductor Components Industries, LLC, 2007
November, 2007 - Rev. 12
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
1 Publication Order Number:
BZX84C2V4LT1/D
BZX84B4V7LT1, BZX84C2V4LT1 Series
ELECTRICAL CHARACTERISTICS
(Pinout: 1‐Anode, 2‐No Connection, 3‐Cathode) (TA = 25°C
unless otherwise noted, V
Symbol
V
I
Z
V
V
QV
Reverse Zener Voltage @ I
Z
Reverse Current
ZT
Maximum Zener Impedance @ I
ZT
I
Reverse Leakage Current @ V
R
Reverse Voltage
R
I
Forward Current
F
Forward Voltage @ I
F
Maximum Temperature Coefficient of V
Z
C Max. Capacitance @ VR = 0 and f = 1 MHz
= 0.95 V Max. @ IF = 10 mA)
F
Parameter
ZT
ZT
R
F
Z
I
I
F
VRV
Z
I
V
R
I
ZT
Zener Voltage Regulator
F
V
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2
BZX84B4V7LT1, BZX84C2V4LT1 Series
ELECTRICAL CHARACTERISTICS - BZX84CxxxLT1 SERIES (STANDARD TOLERANCE)
(Pinout: 1‐Anode, 2‐No Connection, 3‐Cathode) (TA = 25°C unless otherwise noted, VF = 0.90 V Max. @ IF = 10 mA)
(Devices listed in bold, italic are ON Semiconductor Preferred devices.)
VZ1 (Volts)
@I
=5mA
Device*
Device
Marking
ZT1
(Note 3)
Min Nom Max Min Max Min Max
@ I
Z
ZT1
(W)
ZT1
5 mA
BZX84C2V4LT1, G Z11 2.2 2.4 2.6 100 1.7 2.1 600 2.6 3.2 50 50 1 -3.5 0 450
BZX84C2V7LT1, G Z12 2.5 2.7 2.9 100 1.9 2.4 600 3 3.6 50 20 1 -3.5 0 450
BZX84C3V0LT1, G Z13 2.8 3 3.2 95 2.1 2.7 600 3.3 3.9 50 10 1 -3.5 0 450
BZX84C3V3LT1, G Z14 3.1 3.3 3.5 95 2.3 2.9 600 3.6 4.2 40 5 1 -3.5 0 450
BZX84C3V6LT1, G Z15 3.4 3.6 3.8 90 2.7 3.3 600 3.9 4.5 40 5 1 -3.5 0 450
BZX84C3V9LT1, G Z16 3.7 3.9 4.1 90 2.9 3.5 600 4.1 4.7 30 3 1 -3.5 -2.5 450
BZX84C4V3LT1, G W9 4 4.3 4.6 90 3.3 4 600 4.4 5.1 30 3 1 -3.5 0 450
BZX84C4V7LT1,G Z1 4.4 4.7 5 80 3.7 4.7 500 4.5 5.4 15 3 2 -3.5 0.2 260
BZX84C5V1LT1,G Z2 4.8 5.1 5.4 60 4.2 5.3 480 5 5.9 15 2 2 -2.7 1.2 225
BZX84C5V6LT1,G Z3 5.2 5.6 6 40 4.8 6 400 5.2 6.3 10 1 2 -2.0 2.5 200
BZX84C6V2LT1,G Z4 5.8 6.2 6.6 10 5.6 6.6 150 5.8 6.8 6 3 4 0.4 3.7 185
BZX84C6V8LT1, G Z5 6.4 6.8 7.2 15 6.3 7.2 80 6.4 7.4 6 2 4 1.2 4.5 155
BZX84C7V5LT1, G Z6 7 7.5 7.9 15 6.9 7.9 80 7 8 6 1 5 2.5 5.3 140
BZX84C8V2LT1, G Z7 7.7 8.2 8.7 15 7.6 8.7 80 7.7 8.8 6 0.7 5 3.2 6.2 135
BZX84C9V1LT1, G Z8 8.5 9.1 9.6 15 8.4 9.6 100 8.5 9.7 8 0.5 6 3.8 7.0 130
BZX84C10LT1, G Z9 9.4 10 10.6 20 9.3 10.6 150 9.4 10.7 10 0.2 7 4.5 8.0 130
BZX84C11LT1, G Y1 10.4 11 11.6 20 10.2 11.6 150 10.4 11.8 10 0.1 8 5.4 9.0 130
BZX84C12LT1,G Y2 11.4 12 12.7 25 11.2 12.7 150 11.4 12.9 10 0.1 8 6.0 10.0 130
BZX84C13LT1, G Y3 12.4 13 14.1 30 12.3 14 170 12.5 14.2 15 0.1 8 7.0 11.0 120
BZX84C15LT1, G Y4 13.8 15 15.6 30 13.7 15.5 200 13.9 15.7 20 0.05 10.5 9.2 13.0 11 0
BZX84C16LT1, G Y5 15.3 16 17.1 40 15.2 17 200 15.4 17.2 20 0.05 11.2 10.4 14.0 105
BZX84C18LT1,G Y6 16.8 18 19.1 45 16.7 19 225 16.9 19.2 20 0.05 12.6 12.4 16.0 100
BZX84C20LT1, G Y7 18.8 20 21.2 55 18.7 21.1 225 18.9 21.4 20 0.05 14 14.4 18.0 85
BZX84C22LT1, G Y8 20.8 22 23.3 55 20.7 23.2 250 20.9 23.4 25 0.05 15.4 16.4 20.0 85
BZX84C24LT1, G Y9 22.8 24 25.6 70 22.7 25.5 250 22.9 25.7 25 0.05 16.8 18.4 22.0 80
Device
Device
Marking
VZ1 Below
@I
=2mA
ZT1
Min Nom Max Min Max Min Max
Z
Below
@ I
2 mA
ZT1
ZT1
BZX84C27LT1, G Y10 25.1 27 28.9 80 25 28.9 300 25.2 29.3 45 0.05 18.9 21.4 25.3 70
BZX84C30LT1, G Y11 28 30 32 80 27.8 32 300 28.1 32.4 50 0.05 21 24.4 29.4 70
BZX84C33LT1, G Y12 31 33 35 80 30.8 35 325 31.1 35.4 55 0.05 23.1 27.4 33.4 70
BZX84C36LT1, G Y13 34 36 38 90 33.8 38 350 34.1 38.4 60 0.05 25.2 30.4 37.4 70
BZX84C39LT1, G Y14 37 39 41 130 36.7 41 350 37.1 41.5 70 0.05 27.3 33.4 41.2 45
BZX84C43LT1, G Y15 40 43 46 150 39.7 46 375 40.1 46.5 80 0.05 30.1 37.6 46.6 40
BZX84C47LT1, G Y16 44 47 50 170 43.7 50 375 44.1 50.5 90 0.05 32.9 42.0 51.8 40
BZX84C51LT1, G Y17 48 51 54 180 47.6 54 400 48.1 54.6 100 0.05 35.7 46.6 57.2 40
BZX84C56LT1, G Y18 52 56 60 200 51.5 60 425 52.1 60.8 110 0.05 39.2 52.2 63.8 40
BZX84C62LT1, G Y19 58 62 66 215 57.4 66 450 58.2 67 120 0.05 43.4 58.8 71.6 35
BZX84C68LT1, G Y20 64 68 72 240 63.4 72 475 64.2 73.2 130 0.05 47.6 65.6 79.8 35
BZX84C75LT1, G Y21 70 75 79 255 69.4 79 500 70.3 80.2 140 0.05 52.5 73.4 88.6 35
3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C.
* The “G” suffix indicates Pb-Free package available.
=
=
VZ2 (V)
@I
ZT2
(Note 3)
VZ2 Below
@I
ZT2
=1mA
=0.1m‐
A
Z
ZT2
(W)
@ I
ZT2
1 mA
Z
ZT2
Below
@ I
ZT4
0.5 mA
=
=
VZ3 (V)
@I
ZT3
(Note 3)
VZ3 Below
@I
ZT3
=20mA
=10mA
Z
(W)
@ I
20 mA
Z
Below
@ I
10 mA
ZT3
ZT3
ZT3
ZT3
=
=
Max Reverse
Leakage
Current
V
I
R
@
Volts
mA
Max Reverse
Leakage
Current
V
I
R
@
(V)
mA
R
R
q
VZ
(mV/k)
= 5 mA
@ I
ZT1
Min Max
q
VZ
(mV/k) Below
@ I
= 2 mA
ZT1
Min Max
@ V
f = 1 MHz
@ V
f = 1 MHz
C (pF)
R
C (pF)
R
= 0
= 0
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3
BZX84B4V7LT1, BZX84C2V4LT1 Series
ELECTRICAL CHARACTERISTICS - BZX84BxxxL (Tight Tolerance Series)
(Pinout: 1‐Anode, 2‐No Connection, 3‐Cathode) (TA = 25°C unless otherwise noted, VF = 0.90 V Max. @ IF = 10 mA)
Max Reverse
mA
I
R
Leakage
Current
V
R
@
Volts Min Max
ZZT (W) @
= 5 mA
VZ (Volts) @ IZT = 5 mA
Device
Device
BZX84B4V7LT1, G T10 4.61 4.7 4.79 80 3 2 -3.5 0.2 260
BZX84B5V1LT1, G T11 5.00 5.1 5.20 60 2 2 -2.7 1.2 225
BZX84B5V6LT1, G T12 5.49 5.6 5.71 40 1 2 -2 2.5 200
BZX84B6V2LT1, G T13 6.08 6.2 6.32 10 3 4 0.4 3.7 185
BZX84B6V8LT1, G T14 6.66 6.8 6.94 15 2 4 1.2 4.5 155
BZX84B7V5LT1, G T15 7.35 7.5 7.65 15 1 5 2.5 5.3 140
BZX84B8V2LT1, G T16 8.04 8.2 8.36 15 0.7 5 3.2 6.2 135
BZX84B9V1LT1, G T17 8.92 9.1 9.28 15 0.5 6 3.8 7 130
BZX84B12LT1, G T18 11.8 12 12.2 25 0.1 8 6 10 130
BZX84B15LT1, G T22 14.7 15 15.3 30 0.05 10.5 9.2 13 110
BZX84B16LT1, G T19 15.7 16 16.3 40 0.05 11.2 10.4 14 105
BZX84B18LT1, G T20 17.6 18 18.4 45 0.05 12.6 12.4 16 100
BZX84B22LT1, G T24 21.6 22 22.4 55 0.05 15.4 16.4 20 85
BZX84B24LT1, G T25 23.5 24 24.5 70 0.05 16.8 18.4 22 80
Marking
(Note 4)
Min Nom Max Max
I
ZT
(Note 4)
4. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C.
* The “G” suffix indicates Pb-Free package available.
@ I
q
VZ
(mV/k)
= 5 mA
ZT
@ V
f = 1 MHz
C (pF)
R
=0,
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4
BZX84B4V7LT1, BZX84C2V4LT1 Series
TYPICAL CHARACTERISTICS
, TEMPERATURE COEFFICIENT (mV/ C)°θ
VZ
1000
100
8
7
6
5
4
3
2
1
0
-1
-2
-3
IZ = 1 mA
TYPICAL TC VALUES
VZ @ I
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range -55°C to +150°C)
TJ = 25°C
I
= 0.1 I
Z(AC)
f = 1 kHz
5 mA
Z(DC)
100
TYPICAL TC VALUES
VZ @ I
ZT
10
, TEMPERATURE COEFFICIENT (mV/ C)°θ
VZ
1
12111098765432
10 100
V
, NOMINAL ZENER VOLTAGE (V)
Z
ZT
Figure 2. Temperature Coefficients
(Temperature Range -55°C to +150°C)
1000
75 V (MMBZ5267BLT1)
91 V (MMBZ5270BLT1)
100
20 mA
10
, DYNAMIC IMPEDANCE ( )Ω
ZT
Z
1
, NOMINAL ZENER VOLTAGE
V
Z
101
Figure 3. Effect of Zener Voltage on
100
10
, FORWARD CURRENT (mA)
F
I
150°C
1
75°C 25°C 0°C
1.21.11.00.90.80.70.60.50.4
VF, FORWARD VOLTAGE (V)
Figure 4. Typical Forward Voltage
Zener Impedance
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5
BZX84B4V7LT1, BZX84C2V4LT1 Series
TYPICAL CHARACTERISTICS
1000
100
10
C, CAPACITANCE (pF)
1
100
10
0 V BIAS
1 V BIAS
BIAS AT
50% OF V
NOM
Z
101
, NOMINAL ZENER VOLTAGE (V)
V
Z
Figure 5. Typical Capacitance
TA = 25°C
TA = 25°C
100
1000
100
10
0.1
0.01
, LEAKAGE CURRENT ( A)μ
R
I
0.001
0.0001
0.00001
100
1
+150°C
+25°C
-55°C
80706050403020100
90
, NOMINAL ZENER VOLTAGE (V)
V
Z
Figure 6. Typical Leakage Current
TA = 25°C
10
1
, ZENER CURRENT (mA)
Z
0.1
I
0.01
, ZENER VOLTAGE (V)
V
Z
Figure 7. Zener Voltage versus Zener Current
(V
Up to 12 V)
Z
1
, ZENER CURRENT (mA)
Z
0.1
I
0.01
1086420
12
10 30 50 70 90
VZ, ZENER VOLTAGE (V)
Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
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6
BZX84B4V7LT1, BZX84C2V4LT1 Series
PACKAGE DIMENSIONS
SOT-23 (TO-236)
CASE 318-08
ISSUE AN
D
H
SEE VIEW C
E
c
0.25
3
E
12
b
e
q
A
L
A1
L1
VIEW C
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD
FINISH THICKNESS. MINIMUM LEAD
THICKNESS IS THE MINIMUM THICKNESS OF
BASE MATERIAL.
4. 318-01 THRU -07 AND -09 OBSOLETE, NEW
STANDARD 318-08.
DIMAMIN NOM MAX MIN
A1 0.01 0.06 0.10 0.001
b 0.37 0.44 0.50 0.015
c 0.09 0.13 0.18 0.003
D 2.80 2.90 3.04 0.110
E 1.20 1.30 1.40 0.047
e 1.78 1.90 2.04 0.070
L 0.10 0.20 0.30 0.004
L1
H
E
STYLE 8:
PIN 1. ANODE
MILLIMETERS
0.89 1.00 1.11 0.035
0.35 0.54 0.69 0.014 0.021 0.029
2.10 2.40 2.64 0.083 0.094 0.104
2. NO CONNECTION
3. CATHODE
INCHES
NOM MAX
0.040 0.044
0.002 0.004
0.018 0.020
0.005 0.007
0.114 0.120
0.051 0.055
0.075 0.081
0.008 0.012
SOLDERING FOOTPRINT*
0.95
0.95
0.037
0.037
2.0
0.079
0.9
0.035
0.8
0.031
SCALE 10:1
ǒ
inches
mm
Ǔ
*For additional information on our Pb-Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
“Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All
operating parameters, including “Typicals” must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights
nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should
Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
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BZX84C2V4LT1/D
7
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