MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 26 - 2 1 of 5
www.diodes.com November 2011
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
500mW SURFACE MOUNT ZENER DIODE
Features
• 500mW Power Dissipation
• General Purpose, Medium Current
• Ideally Suited for Automated Assembly Processes
• Lead, Halogen and Antimony Free, RoHS Compliant (Note 1)
• "Green" Device (Note 2)
• 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 3)
Part Number Qualification Case Packaging
(Type Number)-7-F* Commercial SOD123 3000/Tape & Reel
(Type Number)Q-7-F* Automotive SOD123 3000/Tape & Reel
(Type Number)-13-F* Commercial SOD123 10000/Tape & Reel
(Type Number)Q-13-F* Automotive SOD123 10000/Tape & Reel
*For (Type Number), please see the Electrical Characteristics Table. Example: 6.2V Zener = MMSZ5234B-7-F.
Notes: 1. No purposefully added lead. Halogen and Antimony Free.
2. 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.
3. For packaging details, go to our website at http://www.diodes.com.
Marking Information
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code J K L M N P R S T U V W X Y Z A B C
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: N = 2002)
M = Month (ex: 9 = September)
XX
YM
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 26 - 2 2 of 5
www.diodes.com November 2011
© 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
Thermal Resistance, Junction to Ambient Air (Note 4) R
θ
JA 350 °C/W
Thermal Resistance, Junction to Lead (Note 5) R
θ
JL 150 °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 Z
ZT @ IZT ZZK @ IZK
= 0.25mA IR @ VR
Nom (V) Min (V) Max (V) mA Ω
μ
A V
MMSZ5221B C1 2.4 2.28 2.52 20 30 1200 100 1.0
MMSZ5223B C3 2.7 2.57 2.84 20 30 1300 75 1.0
MMSZ5225B C5 3.0 2.85 3.15 20 30 1600 50 1.0
MMSZ5226B G1 3.3 3.14 3.47 20 28 1600 25 1.0
MMSZ5227B G2 3.6 3.42 3.78 20 24 1700 15 1.0
MMSZ5228B G3 3.9 3.71 4.10 20 23 1900 10 1.0
MMSZ5229B G4 4.3 4.09 4.52 20 22 2000 5.0 1.0
MMSZ5230B G5 4.7 4.47 4.94 20 19 1900 5.0 2.0
MMSZ5231B E1 5.1 4.85 5.36 20 17 1600 5.0 2.0
MMSZ5232B E2 5.6 5.32 5.88 20 11 1600 5.0 3.0
MMSZ5233B E3 6.0 5.70 6.30 20 7 1600 5.0 3.5
MMSZ5234B E4 6.2 5.89 6.51 20 7 1000 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. Device mounted on FR-4 substrate, single-sided, PC boards, with minimum recommended pad layout.
5. Thermal Resistance measurement obtained via infrared scan method.
6. Short duration pulse test used to minimize self-heating effect.
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 26 - 2 3 of 5
www.diodes.com November 2011
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
0
0.1
0.2
0.3
0.4
0.5
25050
75 100 125 150
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N
(W)
D
T, TEMPERA TURE ( C)
Fig. 1 Power Derating Curve
°
0.6
Note 4
P vs.
D
T
L
P vs.T
DA
0
10
20
30
40
50
012345678910
I, ZENE
R
C
U
R
R
EN
T
(mA)
Z
V , ZENER VOLTAGE (V)
Fig. 2 Typical Zener Breakdown Characteristics
Z
0
10
20
30
0
I, ZENE
R
C
U
R
R
EN
T
(mA)
Z
V , ZENER VOLTAGE (V)
Fig. 3 Typical Zene r Br eakdown C haracteris tics
Z
10 20 30 40
T = 25°C
J
Test current I
Z
10
12
18
22
27
33 36
15
39
Nominal Zener Voltage
C , T OTAL CAPACITANCE (pF)
T
10
100
1,000
10 100
1V , NOMINAL ZENER VOLTAGE (V)
Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage
Z
1
10
100
1,000
110100
V , ZENER VOLTAGE (V)
Fig. 5 Typi cal Zener Impedan ce Char acter istics
Z
Z , ZENER IMPEDANCE ( )
Z
Ω
-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 , Z ENER VOLTAGE (V)
Z
Fig . 6 Typical Temperatur e C oeffici ent of Zener Voltage
vs . Z ener Voltag e ( M M SZ5 227B - M M SZ5258B)
T
C
O
F
V,
T
EM
P
E
R
A
T
U
R
E
C
O
E
F
F
I
C
IEN
T
OF ZENER VOL TAGE (%/°C)
Z
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 26 - 2 4 of 5
www.diodes.com November 2011
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
Package Outline Dimensions
Suggested Pad Layout
SOD123
Dim Min Max
A 0.55 Typ
B 1.40 1.70
C 3.55 3.85
H 2.55 2.85
J 0.00 0.10
K 1.00 1.35
L 0.25 0.40
M 0.10 0.15
α 0 8°
All Dimensions in mm
Dimensions Value (in mm)
Z 4.9
G 2.5
X 0.7
Y 1.2
C 3.7
K
L
M
C
H
BA
Z
X
C
G
Y
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 26 - 2 5 of 5
www.diodes.com November 2011
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
IMPORTANT NOTICE
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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).
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written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
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