Surface Mount Zener Diodes
Surface Mount Zener Diodes
Features: *500mw Power Dissipation *Ideal for Surface Mountted Application *Zener Breakdown V...
Description
Surface Mount Zener Diodes
Features: *500mw Power Dissipation *Ideal for Surface Mountted Application *Zener Breakdown Voltage Range 2.4V to 110V
Mechanical Data: *Case : SOD-123 Molded plastic *Terminals: Solderable per MIL-STD-202, Method 208 *Polarity: Cathode Indicated by Polarity Band *Marking: Marking Code (See Table on Page 3) *Weigh: 0.01grams(approx)
SOD-123 Outline Dimensions
MMSZ5221B Series
SMALL SIGNAL ZENER DIODES
500m WATTS
1 2
SOD-123
Unit:mm
SOD-123
Dim Min
Max
A 2.55 2.85
B 1.40 1.80
C 0.95 1.35
D 0.50 0.70
E 0.30 REF
H - 0.10
J - 0.15
K 3.55 3.85
PIN 1. CATHODE 2. ANODE
WEITRON
http://www.weitron.com.tw
MMSZ5221B Series
WEITRON
Maximum Ratings and Electrical Characteristics (TA=25 C Unless Otherwise Noted)
Characteristics
Symbol
Value
Unit
Total Power Dissipation on FR-5 Board (1)
@TL =75 C Thermal Resistance Junction to Ambient Air(2)
PD R JA
500 340
mW C/W
Forward Voltage @ IF=10mA Junction and Storage Temperature Range
VF Tj,TSTG
0.9 -65 to+150
V C
-
-
NOTES:1. FR-5=3.5 1.5inches, using the on minimum recommedned footprint. 2.Thermal Resistance measurement obtained via infrared scan method.
ELECTRICAL CHARACTERISTICS
(TA = 25 C unles s otherwis e noted, V F = 0.9 V Max. @ IF = 10 mA)
Symbol
Parameter
V Z R evers e Zener Voltage @ IZT
IZT R evers e C urrent
ZZT Maximum Zener Impedance @ IZT
IR R evers e Leakage C urrent @ VR
V R R evers e Voltage
IF F orward C urrent
V F F orward Voltage @ IF
Izk R evers e C ur...
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