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DS18011 Rev. 8 - 2 1 of 3 MMBZ5221B - MMBZ5259B
www.diodes.com
ã Diodes Incorporated
MMBZ5221B - MMBZ5259B
350mW SURFACE MOUNT ZENER DIODE
· Planar Die Construction
· 350mW Power Dissipation on FR-4 PCB
· General Purpose, Medium Current
· Ideally Suited for Automated Assembly
Processes
· Also Available in Lead Free Version
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Forward Voltage @ I
F
= 10mA
V
F
0.9 V
Power Dissipation (Note 1)
P
d
350 mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
qJA
357 °C/W
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +150 °C
· Case: SOT-23, 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
· Also Available in Lead Free Plating (Matte Tin
Finish). Please see Ordering Information,
Note 5, on Page 1
· Polarity: See Diagram
· Marking: Marking Code (See Table on Page 2)
· Weight: 0.008 grams (approx.)
Mechanical Data
A
E
J
L
M
B
C
H
G
D
K
SOT-23
Dim Min Max
A
0.37 0.51
B
1.20 1.40
C
2.30 2.50
D
0.89 1.03
E
0.45 0.60
G
1.78 2.05
H
2.80 3.00
J
0.013 0.10
K
0.903 1.10
L
0.45 0.61
M
0.085 0.180
a
0° 8°
All Dimensions in mm
* Add “-7” to the appropriate type number in Table, Sheet 2 example: 6.2V Zener = MMBZ5234B-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. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
5. For Lead Free version (with Lead Free terminal finish) part number, please add "-F" suffix to part number above.
Example: MMBZ5259B-7-F.
Device
Packaging Shipping
(Type Number)-7*
SOT-23 3000/Tape & Reel
(Note 2)
Ordering Information
Features
SPICE MODELS: MMBZ5221B MMBZ5223B MMBZ5225B MMBZ5226B MMBZ5227B MMBZ5228B MMBZ5229B
MMBZ5230B MMBZ5231B MMBZ5232B MMBZ5233B MMBZ5234B MMBZ5235B MMBZ5236B MMBZ5237B MMBZ5238B
MMBZ5239B MMBZ5240B MMBZ5241B MMBZ5242B MMBZ5243B MMBZ5245B MMBZ5246B MMBZ5248B MMBZ5250B
MMBZ5251B MMBZ5252B MMBZ5254B MMBZ5255B MMBZ5256B MMBZ5257B MMBZ5258B MMBZ5259B
