WEITRON
MMBZ5221B Series
Maximum Ratings and Electrical Characteristics
(TA=25 C Unless Otherwise Noted)
Characteristics
Symbol
Unit
Value
Total Power Dissipation on FR-5 Board(1)
mW
225
PD
@T =25 C
A
Thermal Resistance Junction to Ambient Air(1)
556
0.9
C/W
V
R JA
VF
Forward Voltage @ IF=10mA
Junction and Storage Temperature Range
Tj,TSTG
C
-65 to+150
NOTES:1.FR-5=1.0*0.75*0.62in
CHARACTERISTICS
ELECTRICAL
(P inout: 1-Anode, 2-No C onnection, 3-C athode) (T = 25 C
A
I
unless otherwise noted, V = 0.9V Max. @ I = 10 mA)
F
F
I
F
Symbol
Parameter
V
R everse Zener Voltage @ I
Z
ZT
I
R everse C urrent
ZT
Z
I
Maximum Zener Impedance @ I
ZT
ZT
R
V
V
R
Z
V
I
I
V
R
ZT
F
R everse Leakage C urrent @ V
R everse Voltage
R
V
R
I
Forward C urrent
F
V
Forward Voltage @ I
R everse C urrent
F
F
I ZK
Maximum Zener Impedance@
I ZK
Z ZK
Zener Voltage Regulator
Device Marking
Equivalent Circuit Diagram
Item
Marking
1
3
XX=Specific Device Code
(See Table on page3)
MMBZ5221B
Series
Cathode
Anode
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