SMD Zener Diode
Formosa MS
MMSZ5221B THRU MMSZ5267B
500mW Surface Mount
Zener Diodes - 2.4V-75V
Package outline
Features
• Up to 500mW power dissipation.
• Silicon epitaxial planar chip structure.
• Wide Zener Voltage Range Selection, 2.4V to 75V.
• 5% tolerance of Zener voltage for suffix "B" ex: ΜΜSΖ5221Β
• Small Package Size for High Density Applications.
• Ideally suited for automated assembly processes.
• We declare that the material of product compliance with
RoHS requirements.
• Suffix "-H" indicates Halogen free parts, ex. MMSZ5221B-H.
SOD-123F
0.110(2.80)
0.098(2.50)
0.053(1.35)
0.037(0.95)
Mechanical data
• Epoxy:UL94-VO rated flame retardant
• Case : Molded plastic, SOD-123F
• Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
• Polarity : Indicated by cathode band
• Mounting Position : Any
• Weight : Approximated 0.010 gram
0.154(3.90)
0.141(3.60)
Dimensions in inches and (millimeters)
Maximum ratings (at TA=25oC unless otherwise noted)
Parameter
Conditions
Forward voltage
Power Dissipation (Note 1)
Thermal Resistance (Note 2)
IF = 10 mA
On FR-5 Board @TL=75°C
Junction to ambient
Junction to lead
Junction to case
Operating junction temperature range
Storage temperature range
1. FR−5 = 3.5 X 1.5 inches, using the minimum recommended footprint.
2. Thermal Resistance measurement obtained via infrared Scan Method.
Symbol MIN.
VF
PD
RθJA
RθJL
RθJC
TJ
TSTG
-55
-55
TYP.
340
150
200
MAX. Unit
0.9 V
500
+150
mW
OC/W
OC/W
OC/W
oC
+150 oC
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 2
Document ID
DS-221715
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
C
Page.
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