DIODES MMSZ5251B, MMSZ5258B, MMSZ5248B, MMSZ5242B, MMSZ5247B Datasheet
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MMSZ5221B - MMSZ5259B
500mW SURFACE MOUNT ZENER DIODE
Features
Planar Die Construction
500mW Power Dissipation
General Purpose, Medium Current
Ideally Suited for Automated Assembly Processes
Mechanical Data
Case: SOD-123, Plastic
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: See Below
Weight: 0.01grams (approx.)
Ordering Information: See Page 2
H |
D |
J |
G
A
B
C 
E
SOD-123
Dim |
Min |
Max |
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A |
3.55 |
3.85 |
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B |
2.55 |
2.85 |
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C |
1.40 |
1.70 |
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D |
— |
1.35 |
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E |
0.55 Typical |
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G |
0.25 |
— |
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H |
0.11 Typical |
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J |
— |
0.10 |
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0 |
8 |
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All Dimensions in mm
Maximum Ratings @ TA = 25 C unless otherwise specified
Characteristic |
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Symbol |
Value |
Unit |
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Forward Voltage (Note 2) |
@ IF = 10mA |
VF |
0.9 |
V |
Power Dissipation |
(Note 1) |
Pd |
500 |
mW |
Thermal Resistance, Junction to Ambient Air |
(Note 1) |
R JA |
350 |
C/W |
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Operating and Storage Temperature Range |
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Tj, TSTG |
-65 to +150 |
C |
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Notes: 1. Device mounted on ceramic PCB; 7.6 mm x 9.4 mm x 0.87 mm with pad areas 25 mm2. 2. Short duration test pulse used to minimize self-heating effect.
Marking Information
XX
YM
XX = Product Type Marking Code (See Page 2) YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Date Code Key
Year |
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1998 |
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1999 |
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2000 |
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2001 |
2002 |
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2003 |
2004 |
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2005 |
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Code |
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J |
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K |
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L |
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M |
N |
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P |
R |
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S |
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Month |
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Jan |
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Feb |
March |
Apr |
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May |
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Jun |
Jul |
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Aug |
Sep |
Oct |
Nov |
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Dec |
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Code |
1 |
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2 |
3 |
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4 |
5 |
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6 |
7 |
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8 |
9 |
O |
N |
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D |
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DS18010 Rev. 7 - 2 |
1 of 3 |
MMSZ5221B - MMSZ5259B |
www.diodes.com
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