DIODES MMBZ5258BW, MMBZ5259BW, MMBZ5257BW, MMBZ5255BW, MMBZ5254BW Datasheet
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MMBZ5221BW - MMBZ5259BW
200mW SURFACE MOUNT ZENER DIODE
Features
· Planar Die Construction
· Ultra-Small Surface Mount Package
· General Purpose
· Ideally Suited for Automated Assembly
Processes
Mechanical Data
· Case: SOT-323, Molded Plastic
· Case Material - UL Flammability Rating
Classification 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Solderable per MIL-STD-202,
Method 208
· Polarity: See Diagram
· Marking: See Table on Page 2
· Weight: 0.006 grams (approx.)
SOT-323
A
C
B
G
H
K
J
L
ED
M
Dim Min Max
A
0.25 0.40
B
1.15 1.35
C
2.00 2.20
D
0.65 Nominal
E
0.30 0.40
G
1.20 1.40
H
1.80 2.20
J
0.0 0.10
K
0.90 1.00
L
0.25 0.40
M
0.10 0.18
a
All Dimensions in mm
0° 8°
Maximum Ratings
Characteristic Symbol Value Unit
Forward Voltage @ IF = 10mA
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Ordering Information
Device
(Type Number)-7*
* Add “-7” to the appropriate type number in Table 1 from Sheet 2 example: 6.2V Zener = MMBZ5234BW-7.
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. Short duration test pulse used to minimize self-heating effect.
3. f = 1KHz.
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
@ TA = 25°C unless otherwise specified
(Note 4)
Packaging Shipping
V
F
P
d
R
qJA
Tj,T
STG
SOT-323 3000/Tape & Reel
0.9 V
200 mW
625 °C/W
-65 to +150 °C
DS31037 Rev. 5 - 2 1 of 3 MMBZ5221BW - MMBZ5259BW
www.diodes.com
Electrical Characteristics Table 1
@ TA = 25°C unless otherwise specified
Zener Voltage Range (Note 2)
Type
Number
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
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
Marking
Code
VZ @ I
ZT
Nom (V) Min (V) Max (V) mA
Test
Current
I
ZT
Maximum Zener
Impedance (Note 3)
Z
ZT @IZTZZK
@ I
= 0.25mA
WmA
Maximum Reverse
Leakage Current (Note 2)
ZK
I
R
@V
V
R
Notes: 2. Short duration test pulse used to minimize self-heating effect.
3. f = 1KHz.
Marking Information
XXX = Product Type Marking Code (See Table 1)
YM = Date Code Marking
XXX
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004
Code
Month Jan Feb March Apr May Jun Jul
Code
DS31037 Rev. 5 - 2 2 of 3 MMBZ5221BW - MMBZ5259BW
JKLMNPR
1234567
Y = Year ex: N = 2002
YM
M = Month ex: 9 = September
www.diodes.com
2005 2006 2007 2008 2009
ST U VW
Aug Sep Oct Nov Dec
89 OND
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