1N5221B THRU 1N5281B
www.centralsemi.com
SILICON ZENER DIODE
2.4 VOLTS THRU 200 VOLTS
500mW, 5% TOLERANCE
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 1N5221B Series
Silicon Zener Diode is a high quality voltage regulator
designed for use in industrial, commercial, entertainment
and computer applications.
DO-35 CASE
MAXIMUM RATINGS: (T =75°C)
Power Dissipation
Operating and Storage Junction Temperature
SYMBOL
UNITS
mW
°C
%
%
%
L
P
T , T
500
-65 to +200
D
J
stg
V
V
V
Tolerance: Part number with “B” suffix
Tolerance: Part number with “C” suffix
Tolerance: Part number with “D” suffix
5
2
1
Z
Z
Z
ELECTRICAL CHARACTERISTICS: (T =25°C) V =1.1V MAX @ I =200mA (for all types)
A
F
F
ZENER
MAXIMUM
REVERSE
CURRENT
MAXIMUM
TEMPERATURE
COEFFICIENT
TEST
MAXIMUM ZENER
IMPEDANCE
VOLTAGE
CURRENT
V
@ I
ZT
TYPE
Z
MIN
NOM
MAX
I
Z
@ I
Z
@
I
I
@
V
ΘV
ZT
ZT
ZT
ZK
ZK
R
R
Z
V
V
V
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
Ω
Ω
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
μA
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
V
%/°C
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
0.055
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
2.280
2.375
2.565
2.660
2.850
3.135
3.420
3.705
4.085
4.465
4.845
5.320
5.700
5.890
6.460
7.125
7.790
8.265
8.645
9.500
10.45
11.40
12.35
13.30
14.25
15.20
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
2.520
2.625
2.835
2.940
3.150
3.465
3.780
4.095
4.515
4.935
5.355
5.880
6.300
6.510
7.140
7.875
8.610
9.135
9.555
10.50
11.55
12.60
13.65
14.70
15.75
16.80
30
30
30
30
29
28
24
23
22
19
17
11
7.0
7.0
5.0
6.0
8.0
8.0
10
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
0.030
0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.062
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.082
+0.083
17
22
30
13
15
16
17
11
12
13
14
15
16
600
600
600
11
12
R2 (20-October 2011)