Formosa MS
1N5221B~1N5267B
Zener diode
Features
1.
2.
3.
4.
High reliability
Very sharp reverse characteristic
Low reverse current level
V
Z
-tolerance± 5%
Applications
Voltage stabilization
Absolute Maximum Ratings
T
j
=25?
Parameter
Power dissipation
Z-current
Junction temperature
Storage temperature range
Test Conditions
T
amb
=
75?
Type
Symbol
P
V
I
Z
T
j
T
stg
Value
500
P
V
/V
Z
200
-65~+200
Unit
mW
mA
?
?
Maximum Thermal Resistance
T
j
=25?
Parameter
Junction ambient
Test Conditions
I=9.5mm(3/8”) T
L
=constant
Symbol
R
thJA
Value
300
Unit
K/W
Electrical Characteristics
T
j
=25?
Parameter
Forward voltage
Test Conditions
I
F
=200mA
Type
Symbol
V
F
Min
Typ
Max
1.1
Unit
V
Formosa MS
1
Formosa MS
1N5221B~1N5267B
Type
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
1) Based
V
Znom
I
ZT
for
r
zjT
r
zjK
at
I
K
I
R
at
V
TK
VZ
Z
R
V
mA
O
O
mA
µ
A
V
%/K
2.4
20
<30
<1200
0.25
<100
1.0
<-0.085
2.5
20
<30
<1250
0.25
<100
1.0
<-0.085
2.7
20
<30
<1300
0.25
<75
1.0
<-0.080
2.8
20
<30
<1400
0.25
<75
1.0
<-0.080
3.0
20
<29
<1600
0.25
<50
1.0
<-0.075
3.3
20
<28
<1600
0.25
<25
1.0
<-0.070
3.6
20
<24
<1700
0.25
<15
1.0
<-0.065
3.9
20
<23
<1900
0.25
<10
1.0
<-0.060
4.3
20
<22
<2000
0.25
<5
1.0
<+0.055
4.7
20
<19
<1900
0.25
<5
2.0
<+0.030
5.1
20
<17
<1600
0.25
<5
2.0
<+0.030
5.6
20
<11
<1600
0.25
<5
3.0
<+0.038
6.0
20
<7
<1600
0.25
<5
3.5
<+0.038
6.2
20
<7
<1000
0.25
<5
4.0
<+0.045
6.8
20
<5
<750
0.25
<3
5.0
<+0.050
7.5
20
<6
<500
0.25
<3
6.0
<+0.058
8.2
20
<8
<500
0.25
<3
6.5
<+0.062
8.7
20
<8
<600
0.25
<3
6.5
<+0.065
9.1
20
<10
<600
0.25
<3
7.0
<+0.068
10
20
<17
<600
0.25
<3
8.0
<+0.075
11
20
<22
<600
0.25
<2
8.4
<+0.076
12
20
<30
<600
0.25
<1
9.1
<+0.077
13
9.5
<13
<600
0.25
<0.5
9.9
<+0.079
14
9.0
<15
<600
0.25
<0.1
10
<+0.082
15
8.5
<16
<600
0.25
<0.1
11
<+0.082
16
7.8
<17
<600
0.25
<0.1
12
<+0.083
17
7.4
<19
<600
0.25
<0.1
13
<+0.084
18
7.0
<21
<600
0.25
<0.1
14
<+0.085
19
6.6
<23
<600
0.25
<0.1
15
<+0.086
20
6.2
<25
<600
0.25
<0.1
16
<+0.086
22
5.6
<29
<600
0.25
<0.1
17
<+0.087
24
5.2
<33
<600
0.25
<0.1
18
<+0.088
25
5.0
<35
<600
0.25
<0.1
19
<+0.089
27
4.6
<41
<600
0.25
<0.1
21
<+0.090
28
4.5
<44
<600
0.25
<0.1
21
<+0.091
30
4.2
<49
<600
0.25
<0.1
23
<+0.091
33
3.8
<58
<700
0.25
<0.1
25
<+0.092
36
3.4
<70
<700
0.25
<0.1
27
<+0.093
39
3.2
<80
<800
0.25
<0.1
30
<+0.094
43
3.0
<93
<900
0.25
<0.1
33
<+0.095
47
2.7
<105
<1000
0.25
<0.1
36
<+0.095
51
2.5
<125
<1100
0.25
<0.1
39
<+0.096
56
2.2
<150
<1300
0.25
<0.1
43
<+0.096
60
2.1
<170
<1400
0.25
<0.1
46
<+0.097
62
2.0
<185
<1400
0.25
<0.1
47
<+0.097
68
1.8
<230
<1600
0.25
<0.1
52
<+0.097
75
1.7
<270
<1700
0.25
<0.1
58
<+0.098
on DC-measurement at thermal equilibrium while maintaining the lead temperature(T
L
)at 30? ,
1)
9.5mm(3/8”) from the diode body.
Formosa MS
2
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