MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
1 of 5
www.diodes.com
October 2017
© Diodes Incorporated
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)
Ordering Information (Note 5)
Part Number
Case
Packaging
(Type Number)-7-F*
SOD123
3,000/Tape & Reel
(Type Number)Q-7-F*
SOD123
3,000/Tape & Reel
(Type Number)-13-F*
SOD123
10,000/Tape & Reel
(Type Number)Q-13-F*
SOD123
10,000/Tape & Reel
*For (Type Number), please see the Electrical Characteristics Table. Example: 6.2V Zener = MMSZ5234B-7-F.
Notes: 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 Sb2O3 Fire Retardants.
5. For packaging details, go to our website at http://www.diodes.com.
Marking Information
Date Code Key
Year
2013
2014
2015
2016
2017
2020
2021
2022
2023
2024
Code
A
B
C
D
E
H
I
J
K
L
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
Top View
xx = Product Type Marking Code
(See Electrical Characteristics Table)
YM = Date Code Marking
Y = Year (ex: E = 2017)
M = Month (ex: 9 = September)
SOD123
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
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October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Forward Voltage @ IF = 10mA
VF
0.9
V
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Power Dissipation (Note 4) @TL = +75°C
PD
500
mW
Power Dissipation (Note 5) @TA = +25°C
PD
370
mW
Thermal Resistance, Junction to Ambient Air (Note 5)
RθJA
338
°C/W
Operating and Storage Temperature Range
TJ, TSTG
-65 to +150
°C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Type
Number
Type
Code
Zener Voltage Range (Note 6)
Test
Current
Maximum Zener
Impedance
f = 1KHz
Maximum Reverse
Leakage Current (Note 6)
VZ @ IZT
IZT
ZZT @ IZT
ZZK @ IZK
= 0.25mA
IR
@ VR
Nom (V)
Min (V)
Max (V)
mA
A
V
MMSZ5221B
C1
2.4
2.28
2.52
20
30
1,200
100
1.0
MMSZ5223B
C3
2.7
2.57
2.84
20
30
1,300
75
1.0
MMSZ5225B
C5
3.0
2.85
3.15
20
30
1,600
50
1.0
MMSZ5226B
G1
3.3
3.14
3.47
20
28
1,600
25
1.0
MMSZ5227B
G2
3.6
3.42
3.78
20
24
1,700
15
1.0
MMSZ5228B
G3
3.9
3.71
4.10
20
23
1,900
10
1.0
MMSZ5229B
G4
4.3
4.09
4.52
20
22
2,000
5.0
1.0
MMSZ5230B
G5
4.7
4.47
4.94
20
19
1,900
5.0
2.0
MMSZ5231B
E1
5.1
4.85
5.36
20
17
1,600
5.0
2.0
MMSZ5232B
E2
5.6
5.32
5.88
20
11
1,600
5.0
3.0
MMSZ5233B
E3
6.0
5.70
6.30
20
7
1,600
5.0
3.5
MMSZ5234B
E4
6.2
5.89
6.51
20
7
1,000
5.0
4.0
MMSZ5235B
E5
6.8
6.46
7.14
20
5
750
3.0
5.0
MMSZ5236B
F1
7.5
7.13
7.88
20
6
500
3.0
6.0
MMSZ5237B
F2
8.2
7.79
8.61
20
8
500
3.0
6.5
MMSZ5238B
F3
8.7
8.27
9.14
20
8
600
3.0
6.5
MMSZ5239B
F4
9.1
8.65
9.56
20
10
600
3.0
7.0
MMSZ5240B
F5
10
9.50
10.50
20
17
600
3.0
8.0
MMSZ5241B
H1
11
10.45
11.55
20
22
600
2.0
8.4
MMSZ5242B
H2
12
11.40
12.60
20
30
600
1.0
9.1
MMSZ5243B
H3
13
12.35
13.65
9.5
13
600
0.5
9.9
MMSZ5245B
H5
15
14.25
15.75
8.5
16
600
0.1
11
MMSZ5246B
J1
16
15.20
16.80
7.8
17
600
0.1
12
MMSZ5248B
J3
18
17.10
18.90
7.0
21
600
0.1
14
MMSZ5250B
J5
20
19.00
21.00
6.2
25
600
0.1
15
MMSZ5251B
K1
22
20.90
23.10
5.6
29
600
0.1
17
MMSZ5252B
K2
24
22.80
25.20
5.2
33
600
0.1
18
MMSZ5254B
K4
27
25.65
28.35
5.0
41
600
0.1
21
MMSZ5255B
K5
28
26.60
29.40
4.5
44
600
0.1
21
MMSZ5256B
M1
30
28.50
31.50
4.2
49
600
0.1
23
MMSZ5257B
M2
33
31.35
34.65
3.8
58
700
0.1
25
MMSZ5258B
M3
36
34.20
37.80
3.4
70
700
0.1
27
MMSZ5259B
M4
39
37.05
40.95
3.2
80
800
0.1
30
Notes: 4. RΘJL = 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
3 of 5
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October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
0
0.1
0.2
0.3
0.4
0.5
25050 75 100 125 150
P , POWER DISSIPATION (W)
D
T, TEMPERATURE ( C)
Figure 1 Power Derating Curve
°
0.6
Note 5
P vs.
DTL
P vs.T
D A
0
10
20
30
40
50
0 1 2 3 4 5 6 78 9 10
I , ZENER CURRENT (mA)
Z
V , ZENER VOLTAGE (V)
Figure 2 Typical Zener Breakdown Characteristics
Z
0
10
20
30
0
I , ZENER CURRENT (mA)
Z
V , ZENER VOLTAGE (V)
Figure 3 Typical Zener Breakdown Characteristics
Z
10 20 30 40
T = 25°C
J
Test current IZ
10
12
18
22
27
33 36
15
39
Nominal Zener Voltage
C , TOTAL CAPACITANCE (pF)
T
10
100
1,000
10 100
1V , NOMINAL ZENER VOLTAGE (V)
Figure 4 Typical Total Capacitance vs. Nominal Zener Voltage
Z
1
10
100
1,000
110 100
V , ZENER VOLTAGE (V)
Figure 5 Typical Zener Impedance Characteristics
Z
Z , ZENER IMPEDANCE ( )
Z
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0 5 10 15 20 25 30 35 40
V , ZENER VOLTAGE (V)
Z
Figure 6 Typical Temperature Coefficient of Zener Voltage
vs. Zener Voltage (MMSZ5227B - MMSZ5258B)
TC OF V , TEMPERATURE COEFFICIENT
OF ZENER VOLTAGE (%/°C)
Z
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
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October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOD123
c
He
E
bD
All 7°
All R0.100
a
L
A
A1
All R0.100
All 7°
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
--
All Dimensions in mm
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOD123
Y
X
X1
Dimensions
Value (in mm)
X
0.900
X1
4.050
Y
0.950
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 28 - 2
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October 2017
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
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final and determinative format released by Diodes Incorporated.
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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
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labeling can be reasonably expected to result in significant injury to the user.
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failure of the life support device or to affect its safety or effectiveness.
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