MMSZ5221B Series
Maximum Ratings and Electrical Characteristics
Characteristics
Total Power Dissipation on FR-5 Board
@T
L
=75 C
Thermal Resistance Junction to Ambient Air
Forward Voltage @ IF=10mA
Junction and Storage Temperature Range
-
-
(2)
(1)
WEITRON
(TA=25 C Unless Otherwise Noted)
Symbol
PD
R JA
VF
Tj,TSTG
Value
500
340
0.9
-65 to+150
Unit
mW
C/W
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
(T
A
= 25 C unles s otherwis e noted, V
F
= 0.9 V Max. @ I
F
= 10 mA)
I
I
F
Symbol
V
Z
I
ZT
Z
ZT
I
R
V
R
I
F
V
F
Izk
Zzk
R evers e C urrent
Parameter
R evers e Zener Voltage @ I
ZT
Maximum Zener Impedance @ I
ZT
R evers e Leakage C urrent @ V
R
R evers e Voltage
F orward C urrent
F orward Voltage @ I
F
R evers e C urrent
Maximun Zener Impedance @ Izk
V
Z
V
R
I
R
V
F
I
ZT
V
Zener V
oltage Regulator
Device Marking
Item
MMSZ5221B
Series
Marking
XX=Specific Device Code
(See Table on page3)
Equivalent Circuit Diagram
1
2
Cathode
Anode
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