MMBZ5221BW - MMBZ5259BW
Document number: DS31037 Rev. 13 - 2 1 of 5
www.diodes.com April 2009
© Diodes Incorporated
MMBZ5221BW - MMBZ5259BW
200mW SURFACE MOUNT ZENER DIODE
Features
Planar Die Construction
Ultra-Small Surface Mount Package
General Purpose
Ideally Suited for Automated Assembly Processes
Lead Free/RoHS Compliant (Note 2)
Qualified to AEC-Q101 Standards for High Reliability
"Green" Device (Notes 3 and 4)
Mechanical Data
Case: SOT-323
Case Material: Molded Plastic, "Green" Molding Compound
(Note 4). UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020D
Terminals: Matte Tin Finish annealed over Alloy 42 leadframe
(Lead Free Plating). Solderable per MIL-STD-202, Method 208
Polarity: See Diagram
Marking Information: See Page 3
Ordering Information: See Page 3
Weight: 0.006 grams (approximate)
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 1) PD 200 mW
Thermal Resistance, Junction to Ambient Air (Note 1) R
θ
JA 625 °C/W
Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C
Notes: 1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead.
3. Diodes Inc.'s "Green" Policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
4. Product manufactured with date code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to date
code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
Top View Device Schematic
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MMBZ5221BW - MMBZ5259BW
Document number: DS31037 Rev. 13 - 2 2 of 5
www.diodes.com April 2009
© Diodes Incorporated
MMBZ5221BW - MMBZ5259BW
Electrical Characteristics @TA = 25°C unless otherwise specified
Type
Number Marking
Code
Zener Voltage Range (Note 5) Test Current Maximum Zener Impedance
(Note 6) Maximum Reverse
Leakage Current (Note 5)
VZ @ IZT IZT Z
ZT @ IZT ZZK @ IZK
= 0.25mA IR @ VR
Nom (V) Min (V) Max (V) mA Ω μA V
MMBZ5221BW KC1 2.4 2.28 2.52 20 30 1200 100 1.0
MMBZ5223BW KC3 2.7 2.57 2.84 20 30 1300 75 1.0
MMBZ5225BW KC5 3.0 2.85 3.15 20 30 1600 50 1.0
MMBZ5226BW KG1 3.3 3.14 3.47 20 28 1600 25 1.0
MMBZ5227BW KG2 3.6 3.42 3.78 20 24 1700 15 1.0
MMBZ5228BW KG3 3.9 3.71 4.10 20 23 1900 10 1.0
MMBZ5229BW KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0
MMBZ5230BW KG5 4.7 4.47 4.94 20 19 1900 5.0 2.0
MMBZ5231BW KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0
MMBZ5232BW KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0
MMBZ5233BW KE3 6 5.70 6.30 20 7.0 1600 5.0 3.5
MMBZ5234BW KE4 6.2 5.89 6.51 20 7.0 1000 5.0 4.0
MMBZ5235BW KE5 6.8 6.46 7.14 20 5.0 750 3.0 5.0
MMBZ5236BW KF1 7.5 7.13 7.88 20 6.0 500 3.0 6.0
MMBZ5237BW KF2 8.2 7.79 8.61 20 8.0 500 3.0 6.5
MMBZ5239BW KF4 9.1 8.65 9.56 20 10 600 3.0 7.0
MMBZ5240BW KF5 10 9.50 10.50 20 17 600 3.0 8.0
MMBZ5241BW KH1 11 10.45 11.55 20 22 600 2.0 8.4
MMBZ5242BW KH2 12 11.40 12.60 20 30 600 1.0 9.1
MMBZ5243BW KH3 13 12.35 13.65 9.5 13 600 0.5 9.9
MMBZ5245BW KH5 15 14.25 15.75 8.5 16 600 0.1 11
MMBZ5246BW KJ1 16 15.20 16.80 7.8 17 600 0.1 12
MMBZ5248BW KJ3 18 17.10 18.90 7.0 21 600 0.1 14
MMBZ5250BW KJ5 20 19.00 21.00 6.2 25 600 0.1 15
MMBZ5251BW KK1 22 20.90 23.10 5.6 29 600 0.1 17
MMBZ5252BW KK2 24 22.80 25.20 5.2 33 600 0.1 18
MMBZ5254BW KK4 27 25.65 28.35 5.0 41 600 0.1 21
MMBZ5255BW KK5 28 26.60 29.40 4.5 44 600 0.1 21
MMBZ5256BW KM1 30 28.50 31.50 4.2 49 600 0.1 23
MMBZ5257BW KM2 33 31.35 34.65 3.8 58 700 0.1 25
MMBZ5258BW KM3 36 34.20 37.80 3.4 70 700 0.1 27
MMBZ5259BW KM4 39 37.05 40.95 3.2 80 800 0.1 30
Notes: 5. Short duration pulse test used to minimize self-heating effect.
6. f = 1KHz.
0
0.1
0.2
0.3
0.4
2505075
100 125 150
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (W)
D
T , AMBIENT TEMPERA TURE ( C)
Fig. 1 Power Derating Curve
A
°
0
10
20
30
40
50
012345678910
I, ZENE
R
C
U
R
R
EN
T
(mA)
Z
V , Z ENER VOL TAGE (V)
Fig . 2 Typical Zener Brea kdown Charact er i stics
Z
MMBZ5221BW - MMBZ5259BW
Document number: DS31037 Rev. 13 - 2 3 of 5
www.diodes.com April 2009
© Diodes Incorporated
MMBZ5221BW - MMBZ5259BW
0
10
20
30
0
I, ZENE
R
C
U
R
R
EN
T
(mA)
Z
V , ZENER VOLT AGE (V)
Fig. 3 Typical Zener Breakdown Characteristics
Z
10 20 30 40
T = 25°C
j
Test current I
Z
Nominal Zener Voltage
10
12
18
22
27
33 36
15
39
C , TOTAL CAPACITANCE (pF)
T
10
100
1,000
10 1001V , NOMINAL ZENER VOLTAGE (V)
Fig. 4 Typical Total Capacitance vs. Nominal Zener V oltage
Z
T= 25 °C
f = 1MHz
j
V = 1V
R
V = 2V
R
1
10
100
1,000
110100
V , ZENER VOLTAGE (V)
Fig. 5 Typical Zener Impedence Characteristics
Z
Z , ZENER IMPEDANCE ( )
Z
Ω
1
10
100
110 100
P
,
P
EAK S
U
R
G
E
P
O
WE
R
(W)
PK
PULSE WIDT H (ms)
Fig. 6 Maximum Non-repetit iv e Surge Power
1,000
Ordering Information (Notes 4 & 7)
Device Packaging Shipping
(Type Number)-7-F* SOT-323 3000/Tape & Reel
* Add “-7-F” to the appropriate type number in Electrical Characteristics Table from Page 2. Example: 6.2V Zener = MMBZ5234BW-7-F.
Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Code J K L M N P R S T U V W X Y Z
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
xxx = Product Type Marking Code
(See Electrical Characteristics Table)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
xxx
YM
MMBZ5221BW - MMBZ5259BW
Document number: DS31037 Rev. 13 - 2 4 of 5
www.diodes.com April 2009
© Diodes Incorporated
MMBZ5221BW - MMBZ5259BW
Package Outline Dimensions
Suggested Pad Layout
SOT-323
Dim Min Max Typ
A 0.25 0.40 0.30
B 1.15 1.35 1.30
C 2.00 2.20 2.10
D - - 0.65
G 1.20 1.40 1.30
H 1.80 2.20 2.15
J 0.0 0.10 0.05
K 0.90 1.00 1.00
L 0.25 0.40 0.30
M 0.10 0.18 0.11
α 0° 8° -
All Dimensions in mm
Dimensions Value (in mm)
Z 2.8
X 0.7
Y 0.9
C 1.9
E 1.0
A
M
JL
D
BC
H
K
G
XE
Y
C
Z
MMBZ5221BW - MMBZ5259BW
Document number: DS31037 Rev. 13 - 2 5 of 5
www.diodes.com April 2009
© Diodes Incorporated
MMBZ5221BW - MMBZ5259BW
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