SMD Type
Zener Diodes
ZMM5221B - ZMM5267B
Diodes
Features
500mW Power Dissipation
Hemetic Glass Package
Absolute Maximum Ratings (Ta = 25 )
Parameter
Power dissipation
Thermal Resistance, Junction to Ambient Air
Forward Voltage
@ I
F
= 200mA
R
Symbol
P
JA
Rating
500
300
1.5
175
-65 to +175
Unit
mW
/W
V
V
F
T
j
T
stg
Jumction temperature
Storage temperature
Electrical Characteristics (Ta = 25 )
Zener voltage
V
Z
(V)
Type
Nom.
ZMM5221B
ZMM5222B
ZMM5223B
ZMM5224B
ZMM5225B
ZMM5226B
ZMM5227B
ZMM5228B
ZMM5229B
ZMM5230B
ZMM5231B
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
Min.
2.28
2.38
2.57
2.66
2.85
3.14
3.42
3.71
4.09
4.47
4.85
Max.
2.52
2.63
2.84
2.94
3.15
3.47
3.78
4.10
4.52
4.94
5.36
I
Z
(mA)
20
20
20
20
20
20
20
20
20
20
20
Z
ZT
@ I
ZT
( )
30
30
30
30
29
28
24
23
22
19
17
Z
ZK
@ I
ZK
=0.25mA
( )
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
I
R
( A)
100
100
75
75
50
25
15
10
5.0
5.0
5.0
@ V
R
(V)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
Maximum Zener
Impedance
Maximum Reverse
Current
Typical
Temperature
Coefficient @ I
ZT
%/
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
-0.055
0.030
0.030
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