MMBZ52xxBLT1 Series,
SZMMBZ52xxBLT1G 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.
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3
Cathode
Features
•
225 mW Rating on FR−4 or FR−5 Board
Zener Voltage Range − 2.4 V to 91 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
AEC−Q101 Qualified and PPAP Capable
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements
Pb−Free Packages are Available
Mechanical Characteristics
CASE: Void-free, transfer-molded, thermosetting plastic case
FINISH: Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
MARKING
DIAGRAM
3
1
2
SOT−23
CASE 318
STYLE 8
xxx G
G
M
•
•
•
•
•
•
•
1
Anode
xxx
= Specific Device Code
M
= Date Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
260°C for 10 Seconds
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
ORDERING INFORMATION
Device
MMBZ52xxBLT1
MAXIMUM RATINGS
Rating
Symbol
Total Power Dissipation on FR−5 Board,
(Note 1) @ TA = 25°C
Derated above 25°C
PD
Thermal Resistance,
Junction−to−Ambient
Total Power Dissipation on Alumina
Substrate, (Note 2) @ TA = 25°C
Derated above 25°C
RqJA
PD
Max
Unit
225
1.8
mW
mW/°C
556
°C/W
300
2.4
mW
mW/°C
°C/W
RqJA
417
Junction and Storage
Temperature Range
TJ, Tstg
−65 to +150
°C
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.
November, 2011 − Rev. 10
1
Shipping†
SOT−23
3000/Tape & Reel
SOT−23 3000/Tape & Reel
(Pb−Free)
SZMMBZ52xxBLT1G SOT−23 3000/Tape & Reel
(Pb−Free)
MMBZ52xxBLT3
SOT−23
10,000/Tape &
Reel
SOT−23
(Pb−Free)
10,000/Tape &
Reel
SZMMBZ52xxBLT3G SOT−23
(Pb−Free)
10,000/Tape &
Reel
MMBZ52xxBLT3G
Thermal Resistance,
Junction−to−Ambient
© Semiconductor Components Industries, LLC, 2011
MMBZ52xxBLT1G
Package
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
DEVICE MARKING INFORMATION
See specific marking information in the device marking
column of the Electrical Characteristics table on page 3 of
this data sheet.
Publication Order Number:
MMBZ5221BLT1/D
MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series
ELECTRICAL CHARACTERISTICS
I
(Pinout: 1-Anode, 2-No Connection, 3-Cathode) (TA = 25°C
unless otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
IF
Parameter
Symbol
VZ
Reverse Zener Voltage @ IZT
IZT
Reverse Current
ZZT
Maximum Zener Impedance @ IZT
IZK
Reverse Current
ZZK
Maximum Zener Impedance @ IZK
IR
Reverse Leakage Current @ VR
VR
Reverse Voltage
IF
Forward Current
VF
Forward Voltage @ IF
VZ VR
IR VF
IZT
Zener Voltage Regulator
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2
V
MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series
ELECTRICAL CHARACTERISTICS (Pinout: 1-Anode, 2-NC, 3-Cathode) (VF = 0.9 V Max @ IF = 10 mA for all types.)
Zener Voltage (Note 3)
VZ (Volts)
Zener Impedance
@ IZT
ZZT @ IZT
Leakage Current
ZZK @ IZK
IR @ VR
Device
Device
Marking
Min
Nom
Max
mA
W
W
mA
mA
Volts
SZ/MMBZ5221BL, G
SZ/MMBZ5222BL, G
MMBZ5223BL, G
MMBZ5224BL, G
SZ/MMBZ5225BL, G
18A
18B
18C
18D
18E
2.28
2.37
2.56
2.66
2.85
2.4
2.5
2.7
2.8
3
2.52
2.63
2.84
2.94
3.15
20
20
20
20
20
30
30
30
30
29
1200
1250
1300
1400
1600
0.25
0.25
0.25
0.25
0.25
100
100
75
75
50
1
1
1
1
1
SZ/MMBZ5226BL, G
SZ/MMBZ5227BL, G
SZ/MMBZ5228BL, G
SZ/MMBZ5229BL, G
SZ/MMBZ5230BL, G
8A
8B
8C
8D
8E
3.13
3.42
3.70
4.08
4.46
3.3
3.6
3.9
4.3
4.7
3.47
3.78
4.10
4.52
4.94
20
20
20
20
20
28
24
23
22
19
1600
1700
1900
2000
1900
0.25
0.25
0.25
0.25
0.25
25
15
10
5
5
1
1
1
1
2
SZ/MMBZ5231BL, G
SZ/MMBZ5232BL, G
SZ/MMBZ5233BL, G
SZ/MMBZ5234BL, G
SZ/MMBZ5235BL, G
8F
8G
8H
8J
8K
4.84
5.32
5.70
5.89
6.46
5.1
5.6
6
6.2
6.8
5.36
5.88
6.30
6.51
7.14
20
20
20
20
20
17
11
7
7
5
1600
1600
1600
1000
750
0.25
0.25
0.25
0.25
0.25
5
5
5
5
3
2
3
3.5
4
5
SZ/MMBZ5236BL, G
SZ/MMBZ5237BL, G
SZ/MMBZ5238BL, G
SZ/MMBZ5239BL, G
SZ/MMBZ5240BL, G
8L
8M
8N
8P
8Q
7.12
7.79
8.26
8.64
9.50
7.5
8.2
8.7
9.1
10
7.88
8.61
9.14
9.56
10.50
20
20
20
20
20
6
8
8
10
17
500
500
600
600
600
0.25
0.25
0.25
0.25
0.25
3
3
3
3
3
6
6.5
6.5
7
8
SZ/MMBZ5241BL, G
SZ/MMBZ5242BL, G
SZ/MMBZ5243BL, G
SZ/MMBZ5244BL, G
SZ/MMBZ5245BL, G
8R
8S
8T
8U
8V
10.4
11.40
12.35
13.30
14.25
11
12
13
14
15
11.55
12.60
13.65
14.70
15.75
20
20
9.5
9
8.5
22
30
13
15
16
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
2
1
0.5
0.1
0.1
8.4
9.1
9.9
10
11
SZ/MMBZ5246BL, G
MMBZ5247BL, G
SZ/MMBZ5248BL,G
SZ/MMBZ5249BL, G
SZ/MMBZ5250BL,G
8W
8X
8Y
8Z
81A
15.20
16.15
17.10
18.05
19.00
16
17
18
19
20
16.80
17.85
18.90
19.95
21.00
7.8
7.4
7
6.6
6.2
17
19
21
23
25
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
12
13
14
14
15
MMBZ5251BL, G
MMBZ5252BL, G
SZ/MMBZ5253BL, G
SZ/MMBZ5254BL, G
MMBZ5255BL, G
81B
81C
81D
81E
81F
20.90
22.80
23.75
25.65
26.60
22
24
25
27
28
23.10
25.20
26.25
28.35
29.40
5.6
5.2
5
4.6
4.5
29
33
35
41
44
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
17
18
19
21
21
SZ/MMBZ5256BL, G
MMBZ5257BL, G
SZ/MMBZ5258BL, G
SZ/MMBZ5259BL, G
SZ/MMBZ5260BL, G
81G
81H
81J
81K
81L
28.50
31.35
34.20
37.05
40.85
30
33
36
39
43
31.50
34.65
37.80
40.95
45.15
4.2
3.8
3.4
3.2
3
49
58
70
80
93
600
700
700
800
900
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
23
25
27
30
33
SZ/MMBZ5261BL, G
MMBZ5262BL, G
SZ/MMBZ5263BL, G
SZ/MMBZ5264BL, G
MMBZ5265BL, G
81M
81N
81P
81Q
81R
44.65
48.45
53.20
57.00
58.90
47
51
56
60
62
49.35
53.55
58.80
63.00
65.10
2.7
2.5
2.2
2.1
2
105
125
150
170
185
1000
1100
1300
1400
1400
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
36
39
43
46
47
MMBZ5266BL, G
MMBZ5267BL, G
MMBZ5268BL, G
MMBZ5270BL, G
81S
81T
81U
81W
64.60
71.25
77.90
86.45
68
75
82
91
71.40
78.75
86.10
95.55
1.8
1.7
1.5
1.4
230
270
330
400
1600
1700
2000
2300
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
52
56
62
69
3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C
NOTE: MMBZ5233BLT1, MMBZ5246BLT1, MMBZ5251BLT1, and MMBZ5252BLT1 Not Available in 10,000/Tape & Reel.
†The “G” suffix indicates Pb−Free package available.
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3
MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series
8
100
7
θ VZ, TEMPERATURE COEFFICIENT (mV/°C)
θ VZ, TEMPERATURE COEFFICIENT (mV/°C)
TYPICAL CHARACTERISTICS
TYPICAL TC VALUES
FOR MMBZ5221BLT1 SERIES
6
5
4
VZ @ IZT
3
2
1
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
VZ, NOMINAL ZENER VOLTAGE (V)
11
12
TYPICAL TC VALUES
FOR MMBZ5221BLT1 SERIES
VZ @ IZT
10
1
10
100
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
Figure 2. Temperature Coefficients
(Temperature Range − 55°C to +150°C)
1000
IZ = 1 mA
TJ = 25°C
IZ(AC) = 0.1 IZ(DC)
f = 1 kHz
IF, FORWARD CURRENT (mA)
Z ZT, DYNAMIC IMPEDANCE ( Ω )
1000
100
75 V (MMBZ5267BLT1)
91 V (MMBZ5270BLT1)
100
5 mA
20 mA
10
10
150°C
1
1
10
VZ, NOMINAL ZENER VOLTAGE
100
1
0.4
Figure 3. Effect of Zener Voltage on
Zener Impedance
0.5
75°C
25°C
0°C
0.6
0.7
0.8
0.9
1.0
VF, FORWARD VOLTAGE (V)
Figure 4. Typical Forward Voltage
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4
1.1
1.2
MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series
TYPICAL CHARACTERISTICS
1000
1000
C, CAPACITANCE (pF)
0 V BIAS
1 V BIAS
I R , LEAKAGE CURRENT (μA)
TA = 25°C
100
BIAS AT
50% OF VZ NOM
10
1
1
10
VZ, NOMINAL ZENER VOLTAGE (V)
100
100
10
1
+150°C
0.1
0.01
0.001
+ 25°C
0.0001
−55°C
0.00001
0
10
Figure 5. Typical Capacitance
20
30
40
50
60
70
VZ, NOMINAL ZENER VOLTAGE (V)
Figure 6. Typical Leakage Current
100
100
TA = 25°C
I Z , ZENER CURRENT (mA)
I Z , ZENER CURRENT (mA)
TA = 25°C
10
1
0.1
0.01
80
0
2
4
6
8
VZ, ZENER VOLTAGE (V)
1
0.1
0.01
12
10
10
10
30
50
70
VZ, ZENER VOLTAGE (V)
90
Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
Figure 7. Zener Voltage versus Zener Current
(VZ Up to 12 V)
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5
90
MMBZ52xxBLT1 Series, SZMMBZ52xxBLT1G Series
PACKAGE DIMENSIONS
SOT−23 (TO−236)
CASE 318−08
ISSUE AP
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. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH,
PROTRUSIONS, OR GATE BURRS.
D
SEE VIEW C
3
HE
E
DIM
A
A1
b
c
D
E
e
L
L1
HE
q
c
1
2
e
b
0.25
q
A
L
A1
MIN
0.89
0.01
0.37
0.09
2.80
1.20
1.78
0.10
0.35
2.10
0°
MILLIMETERS
NOM
MAX
1.00
1.11
0.06
0.10
0.44
0.50
0.13
0.18
2.90
3.04
1.30
1.40
1.90
2.04
0.20
0.30
0.54
0.69
2.40
2.64
−−−
10 °
MIN
0.035
0.001
0.015
0.003
0.110
0.047
0.070
0.004
0.014
0.083
0°
INCHES
NOM
0.040
0.002
0.018
0.005
0.114
0.051
0.075
0.008
0.021
0.094
−−−
MAX
0.044
0.004
0.020
0.007
0.120
0.055
0.081
0.012
0.029
0.104
10°
STYLE 8:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
L1
VIEW C
SOLDERING FOOTPRINT*
0.95
0.037
0.95
0.037
2.0
0.079
0.9
0.035
SCALE 10:1
0.8
0.031
mm Ǔ
ǒinches
*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
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MMBZ5221BLT1/D