MMSZ5221B - MMSZ5259B
500mW SURFACE MOUNT ZENER DIODE
Features
500mW Power Dissipation
General Purpose, Medium Current
Ideally Suited for Automated Assembly Processes
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Notes 3 & 4)
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
Case: SOD123
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.01 grams (Approximate)
SOD123
Top View
Ordering Information
(Note 5)
Part Number
(Type Number)-7-F*
(Type Number)Q-7-F*
(Type Number)-13-F*
(Type Number)Q-13-F*
Notes:
Qualification
Commercial
Automotive
Commercial
Automotive
Case
SOD123
SOD123
SOD123
SOD123
Packaging
3,000/Tape & Reel
3,000/Tape & Reel
10,000/Tape & Reel
10,000/Tape & Reel
*For (Type Number), please see the Electrical Characteristics Table. Example: 6.2V Zener = MMSZ5234B-7-F.
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Product manufactured with Date Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb
2
O
3
Fire Retardants.
5. For packaging details, go to our website at http://www.diodes.com.
Marking Information
xx = Product Type Marking Code
(See Electrical Characteristics Table)
YM = Date Code Marking
Y = Year (ex: E = 2017)
M = Month (ex: 9 = September)
Date Code Key
Year
2013
Code
A
Month
Code
Jan
1
2014
B
Feb
2
2015
C
Mar
3
2016
D
Apr
4
2017
E
May
5
…
…
Jun
6
2020
H
Jul
7
Aug
8
2021
I
Sep
9
2022
J
Oct
O
2023
K
Nov
N
2024
L
Dec
D
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
1 of 5
www.diodes.com
October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
Maximum Ratings
(@T
A
= +25°C, unless otherwise specified.)
Characteristic
Forward Voltage
@ I
F
= 10mA
Symbol
V
F
Value
0.9
Unit
V
Thermal Characteristics
Characteristic
Power Dissipation (Note 4) @T
L
= +75°C
Power Dissipation (Note 5) @T
A
= +25°C
Thermal Resistance, Junction to Ambient Air (Note 5)
Operating and Storage Temperature Range
Symbol
P
D
P
D
R
θJA
T
J,
T
STG
Value
500
370
338
-65 to +150
Unit
mW
mW
°C/W
°C
Electrical Characteristics
Type
Number
Type
Code
(@T
A
= +25°C, unless otherwise specified.)
Test
Current
I
ZT
Max (V)
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
Maximum Zener
Impedance
f = 1KHz
Z
ZK
@ I
ZK
Z
ZT
@ I
ZT
= 0.25mA
Ω
30
1,200
30
1,300
30
1,600
28
1,600
24
1,700
23
1,900
22
2,000
19
1,900
17
1,600
11
1,600
7
1,600
7
1,000
5
750
6
500
8
500
8
600
10
600
17
600
22
600
30
600
13
600
16
600
17
600
21
600
25
600
29
600
33
600
41
600
44
600
49
600
58
700
70
700
80
800
Maximum Reverse
Leakage Current
(Note 6)
I
R
A
100
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
@ V
R
V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
11
12
14
15
17
18
21
21
23
25
27
30
Zener Voltage Range
(Note 6)
V
Z
@ I
ZT
Nom (V)
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
15
16
18
20
22
24
27
28
30
33
36
39
Min (V)
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
MMSZ5221B
MMSZ5223B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5245B
MMSZ5246B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
Notes:
C1
C3
C5
G1
G2
G3
G4
G5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
H1
H2
H3
H5
J1
J3
J5
K1
K2
K4
K5
M1
M2
M3
M4
4. R
ΘJL
= 132°C/W
5. Device mounted on FR-4 PCB with 1 inch copper pad layout.
6. Short duration pulse test used to minimize self-heating effect.
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
2 of 5
www.diodes.com
October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
0.6
Note 5
50
0.5
P
D
, POWER DISSIPATION (W)
0.4
I
Z
, ZENER CURRENT (mA)
P
D
vs.T
L
40
30
0.3
P
D
vs.T
A
20
0.2
10
0.1
0
0
25
75
50
100
125
T, TEMPERATURE (°C)
Figure 1 Power Derating Curve
10
12
0
150
0
3
4
5
6
8
9 10
7
V
Z
, ZENER VOLTAGE (V)
Figure 2 Typical Zener Breakdown Characteristics
1
2
30
T
J
= 25°C
1,000
20
Test current I
Z
15
Nominal Zener Voltage
C
T
, TOTAL CAPACITANCE (pF)
I
Z
, ZENER CURRENT (mA)
18
100
10
22
27
33
36
39
0
0
10
20
30
40
V
Z
, ZENER VOLTAGE (V)
Figure 3 Typical Zener Breakdown Characteristics
10
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 4 Typical Total Capacitance vs. Nominal Zener Voltage
1
1,000
0.14
TC OF V
Z
, TEMPERATURE COEFFICIENT
OF ZENER VOLTAGE (%/°C)
0.12
0.10
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
10
15
20
25
30
35 40
V
Z
, ZENER VOLTAGE (V)
Figure 6 Typical Temperature Coefficient of Zener Voltage
vs. Zener Voltage (MMSZ5227B - MMSZ5258B)
0
5
Z
Z
, ZENER IMPEDANCE (
)
100
10
1
1
10
100
V
Z
, ZENER VOLTAGE (V)
Figure 5 Typical Zener Impedance Characteristics
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
3 of 5
www.diodes.com
October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOD123
l7
Al
°
All
.1
R0
00
R0.
All
A
100
SOD123
Dim Min Max Typ
A
1.00 1.35 1.05
A1
0.00 0.10 0.05
b
0.52 0.62 0.57
c
0.10 0.15 0.11
D
1.40 1.70 1.55
E
2.55 2.85 2.65
He
3.55 3.85 3.65
L
0.25 0.40 0.30
a
0º
8º
--
All Dimensions in mm
a
c
He
E
L
All 7
°
A1
b D
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOD123
X1
Dimensions Value (in mm)
X
0.900
X1
4.050
Y
0.950
Y
X
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
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October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2017, Diodes Incorporated
www.diodes.com
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
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October 2017
© Diodes Incorporated
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