Zener Voltage Regulators
225 mW SOT−23 Surface Mount
MMBZ52xxBLT1G Series,
SZMMBZ52xxBLT1G Series
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.
www.onsemi.com
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
SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
SOT−23
CASE 318
STYLE 8
3
Cathode
MARKING DIAGRAM
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
Rating
Symbol
Total Power Dissipation on FR−5 Board,
(Note 1) @ TA = 25°C
Derated above 25°C
PD
Total Power Dissipation on Alumina
Substrate, (Note 2) @ TA = 25°C
Derated above 25°C
Thermal Resistance,
Junction−to−Ambient (Note 2)
Junction and Storage
Temperature Range
RqJA
PD
Max
Units
225
1.8
mW
mW/°C
556
°C/W
300
2.4
mW
mW/°C
RqJA
417
°C/W
TJ, Tstg
−65 to +150
°C
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
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.
© Semiconductor Components Industries, LLC, 2001
May, 2020 − Rev. 14
M
= Specific Device Code
= Date Code
= Pb−Free Package
(Note: Microdot may be in either location)
MAXIMUM RATINGS
Thermal Resistance,
Junction−to−Ambient (Note 1)
xxx G
G
xxx
M
G
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
1
Anode
1
ORDERING INFORMATION
Package
Shipping†
SOT−23
(Pb−Free)
3,000 /
Tape & Reel
SZMMBZ52xxBLT1G SOT−23
(Pb−Free)
3,000 /
Tape & Reel
MMBZ52xxBLT3G
SOT−23
(Pb−Free)
10,000 /
Tape & Reel
SZMMBZ52xxBLT3G SOT−23
(Pb−Free)
10,000 /
Tape & Reel
Device
MMBZ52xxBLT1G
†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
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-No Connection, 3-Cathode) (TA = 25°C
unless otherwise noted, VF = 0.95 V Max. @ IF = 10 mA)
I
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
MMBZ52xxBLT1G 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
Marking
Min
Nom
Max
mA
W
W
mA
mA
Volts
MMBZ5221BLT1G
MMBZ5222BLT1G
MMBZ5223BLT1G
MMBZ5224BLT1G
MMBZ5225BLT1G
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
MMBZ5226BLT1G
MMBZ5227BLT1G
MMBZ5228BLT1G
MMBZ5229BLT1G
MMBZ5230BLT1G
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
MMBZ5231BLT1G/T3G
MMBZ5232BLT1G/T3G
MMBZ5233BLT1G
MMBZ5234BLT1G/T3G
MMBZ5235BLT1G
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
MMBZ5236BLT1G
MMBZ5237BLT1G
MMBZ5238BLT1G
MMBZ5239BLT1G
MMBZ5240BLT1G
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
MMBZ5241BLT1G/T3G
MMBZ5242BLT1G/T3G
MMBZ5243BLT1G
MMBZ5244BLT1G
MMBZ5245BLT1G
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
MMBZ5246BLT1G
MMBZ5247BLT1G/T3G
MMBZ5248BLT1G/T3G
MMBZ5249BLT1G
MMBZ5250BLT1G/T3G
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
MMBZ5251BLT1G
MMBZ5252BLT1G
MMBZ5253BLT1G
MMBZ5254BLT1G
MMBZ5255BLT1G
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
MMBZ5256BLT1G
MMBZ5257BLT1G/T3G
MMBZ5258BLT1G
MMBZ5259BLT1G
MMBZ5260BLT1G
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
MMBZ5261BLT1G/T3G
MMBZ5262BLT1G
MMBZ5263BLT1G
MMBZ5264BLT1G
MMBZ5265BLT1G
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
MMBZ5266BLT1G
MMBZ5267BLT1G
MMBZ5268BLT1G
MMBZ5270BLT1G
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
Device*
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
3. Zener voltage is measured with a pulse test current IZ at an ambient temperature of 25°C
NOTE: MMBZ5233BLT1G, MMBZ5246BLT1G, MMBZ5251BLT1G, and MMBZ5252BLT1G Not Available in 10,000/Tape & Reel.
*Include SZ-prefix devices where applicable.
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3
MMBZ52xxBLT1G Series, SZMMBZ52xxBLT1G Series
8
100
7
θ VZ, TEMPERATURE COEFFICIENT (mV/°C)
θ VZ, TEMPERATURE COEFFICIENT (mV/°C)
TYPICAL CHARACTERISTICS
TYPICAL TC VALUES
FOR MMBZ52xxBLT1G 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 MMBZ52xxBLT1G 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 (MMBZ5267BLT1G)
91 V (MMBZ5270BLT1G)
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
MMBZ52xxBLT1G 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
100
10
VZ, NOMINAL ZENER VOLTAGE (V)
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
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SOT−23 (TO−236)
CASE 318−08
ISSUE AS
DATE 30 JAN 2018
SCALE 4:1
D
0.25
3
E
1
2
T
HE
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH.
MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF
THE BASE MATERIAL.
4. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH,
PROTRUSIONS, OR GATE BURRS.
DIM
A
A1
b
c
D
E
e
L
L1
HE
T
L
3X b
L1
VIEW C
e
TOP VIEW
A
A1
SIDE VIEW
SEE VIEW C
c
MIN
0.89
0.01
0.37
0.08
2.80
1.20
1.78
0.30
0.35
2.10
0°
MILLIMETERS
NOM
MAX
1.00
1.11
0.06
0.10
0.44
0.50
0.14
0.20
2.90
3.04
1.30
1.40
1.90
2.04
0.43
0.55
0.54
0.69
2.40
2.64
−−−
10 °
MIN
0.035
0.000
0.015
0.003
0.110
0.047
0.070
0.012
0.014
0.083
0°
INCHES
NOM
0.039
0.002
0.017
0.006
0.114
0.051
0.075
0.017
0.021
0.094
−−−
MAX
0.044
0.004
0.020
0.008
0.120
0.055
0.080
0.022
0.027
0.104
10°
GENERIC
MARKING DIAGRAM*
END VIEW
RECOMMENDED
SOLDERING FOOTPRINT
XXXMG
G
1
3X
2.90
3X
XXX = Specific Device Code
M = Date Code
G
= Pb−Free Package
0.90
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
0.95
PITCH
0.80
DIMENSIONS: MILLIMETERS
STYLE 1 THRU 5:
CANCELLED
STYLE 6:
PIN 1. BASE
2. EMITTER
3. COLLECTOR
STYLE 7:
PIN 1. EMITTER
2. BASE
3. COLLECTOR
STYLE 9:
PIN 1. ANODE
2. ANODE
3. CATHODE
STYLE 10:
PIN 1. DRAIN
2. SOURCE
3. GATE
STYLE 11:
STYLE 12:
PIN 1. ANODE
PIN 1. CATHODE
2. CATHODE
2. CATHODE
3. CATHODE−ANODE
3. ANODE
STYLE 15:
PIN 1. GATE
2. CATHODE
3. ANODE
STYLE 16:
PIN 1. ANODE
2. CATHODE
3. CATHODE
STYLE 17:
PIN 1. NO CONNECTION
2. ANODE
3. CATHODE
STYLE 18:
STYLE 19:
STYLE 20:
PIN 1. NO CONNECTION PIN 1. CATHODE
PIN 1. CATHODE
2. CATHODE
2. ANODE
2. ANODE
3. GATE
3. ANODE
3. CATHODE−ANODE
STYLE 21:
PIN 1. GATE
2. SOURCE
3. DRAIN
STYLE 22:
PIN 1. RETURN
2. OUTPUT
3. INPUT
STYLE 23:
PIN 1. ANODE
2. ANODE
3. CATHODE
STYLE 24:
PIN 1. GATE
2. DRAIN
3. SOURCE
STYLE 27:
PIN 1. CATHODE
2. CATHODE
3. CATHODE
STYLE 28:
PIN 1. ANODE
2. ANODE
3. ANODE
DOCUMENT NUMBER:
DESCRIPTION:
98ASB42226B
SOT−23 (TO−236)
STYLE 8:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
STYLE 13:
PIN 1. SOURCE
2. DRAIN
3. GATE
STYLE 25:
PIN 1. ANODE
2. CATHODE
3. GATE
STYLE 14:
PIN 1. CATHODE
2. GATE
3. ANODE
STYLE 26:
PIN 1. CATHODE
2. ANODE
3. NO CONNECTION
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
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