MMSZ5221B - MMSZ5259B
500mW SURFACE MOUNT ZENER DIODE
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Features
Mechanical Data
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500mW Power Dissipation
General Purpose, Medium Current
Ideally Suited for Automated Assembly Processes
Lead, Halogen and Antimony Free, RoHS Compliant (Note 3)
"Green" Device (Note 4)
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Case: SOD-123
Case Material: Molded Plastic, “Green” Molding Compound.
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
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Qualified to AEC-Q101 Standards for High Reliability
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Polarity: Cathode Band
Ordering Information: See Page 3
Marking Information: See Page 3
Weight: 0.01 grams (approximate)
Top View
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
0.9
V
Forward Voltage
@ IF = 10mA
VF
Thermal Characteristics
Characteristic
Power Dissipation (Note 1) @TL = 75°C
Symbol
PD
Value
500
Unit
mW
Thermal Resistance, Junction to Ambient Air (Note 1)
Thermal Resistance, Junction to Lead (Note 2)
Operating and Storage Temperature Range
350
°C/W
°C/W
°C
Rθ
Rθ
TJ, TSTG
JA
150
JL
-65 to +150
Notes:
1. Device mounted on FR-4 substrate, single-sided, PC boards, with minimum recommended pad layout.
2. Thermal Resistance measurement obtained via infrared scan method.
3. No purposefully added lead. Halogen and Antimony Free.
4. Product manufactured with Data 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.
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www.diodes.com
May 2009
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 23 - 2