CMSZ5221B THRU CMSZ5261B
SURFACE MOUNT
SILICON ZENER DIODE
275mW, 2.4 THRU 47 VOLTS
5% TOLERANCE
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR CMSZ5221B
Series Silicon Zener Diode is a high quality
voltage regulator for use in industrial, commercial,
entertainment and computer applications. Higher
voltage devices are available on special order.
MARKING CODE: SEE MARKING CODES ON
ELECTRICAL CHARACTERISTICS TABLE
SOT-323 CASE
• Device is
Halogen Free
by design
MAXIMUM RATINGS:
(TA=25°C)
Power Dissipation
Operating and Storage Junction Temperature
Thermal Reistance
SYMBOL
PD
TJ, Tstg
Θ
JA
275
-65 to +150
455
UNITS
mW
°C
°C/W
ELECTRICAL CHARACTERISTICS:
(TA=25°C) VF=0.9V MAX @ IF=10mA (for all types)
ZENER VOLTAGE
TYPE
VZ @ IZT
MIN
V
CMSZ5221B
CMSZ5222B
CMSZ5223B
CMSZ5224B
CMSZ5225B
CMSZ5226B
CMSZ5227B
CMSZ5228B
CMSZ5229B
CMSZ5230B
CMSZ5231B
CMSZ5232B
CMSZ5233B
CMSZ5234B
CMSZ5235B
CMSZ5236B
CMSZ5237B
CMSZ5238B
CMSZ5239B
CMSZ5240B
CMSZ5241B
CMSZ5242B
CMSZ5243B
CMSZ5244B
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
NOM
V
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
11
12
13
14
MAX
V
2.520
2.625
2.835
2.940
3.150
3.465
3.780
4.095
4.515
4.935
5.335
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
IZT
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
ZZT @ IZT
Ω
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
17
22
30
13
15
ZZK @ IZK
Ω
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
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
IR
μA
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
@ VR
V
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
TEST
CURRENT
MAXIMUM
ZENER
IMPEDANCE
MAXIMUM
ZENER
IMPEDANCE
MAXIMUM
REVERSE
CURRENT
MAXIMUM
TEMPERATURE
COEFFICIENT
ΘV
Z
%/°C
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
±0.055
±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
8A1
8B1
8C1
8D1
8E1
8AC
8BC
8CC
8DC
8EC
8FC
8GC
8HC
8JC
8KC
8LC
8MC
8NC
8PC
8QC
8RC
8SC
8TC
8UC
MARKING
CODE
R4 (9-February 2010)
CMSZ5221B THRU CMSZ5261B
SURFACE MOUNT
SILICON ZENER DIODE
275mW, 2.4 THRU 47 VOLTS
5% TOLERANCE
ELECTRICAL CHARACTERISTICS - Continued:
(TA=25°C) VF=0.9V MAX @ IF=10mA (for all types)
ZENER VOLTAGE
TYPE
VZ @ IZT
MIN
V
CMSZ5245B
CMSZ5246B
CMSZ5247B
CMSZ5248B
CMSZ5249B
CMSZ5250B
CMSZ5251B
CMSZ5252B
CMSZ5253B
CMSZ5254B
CMSZ5255B
CMSZ5256B
CMSZ5257B
CMSZ5258B
CMSZ5259B
CMSZ5260B
CMSZ5261B
14.25
15.20
16.15
17.10
18.05
19
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
NOM
V
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
MAX
V
15.75
16.80
17.85
18.90
19.95
21
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
IZT
mA
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
ZZT @ IZT
Ω
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
105
ZZK @ IZK
Ω
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
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
IR
μA
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
@ VR
V
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
TEST
CURRENT
MAXIMUM
ZENER
IMPEDANCE
MAXIMUM
ZENER
IMPEDANCE
MAXIMUM
REVERSE
CURRENT
MAXIMUM
TEMPERATURE
COEFFICIENT
ΘV
Z
%/°C
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.088
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
8VC
8WC
8XC
8YC
8ZC
1A8
1B8
1C8
1D8
1E8
1F8
1G8
1H8
1J8
1K8
1L8
1M8
MARKING
CODE
SOT-323 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Anode
2) No Connection
3) Cathode
R4 (9-February 2010)
w w w. c e n t r a l s e m i . c o m
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