CMHZ5221B THRU CMHZ5267B
SURFACE MOUNT
SILICON ZENER DIODE
2.4 VOLTS THRU 75 VOLTS
500mW, 5% TOLERANCE
w w w. c e n t r a l s e m i . c o m
DESCRIPTION:
The CENTRAL SEMICONDUCTOR CMHZ5221B
Series Silicon Zener Diode is a high quality voltage
regulator, manufactured in a surface mount
package, designed for use in industrial, commercial,
entertainment and computer applications.
MARKING CODE: SEE MARKING CODE ON
ELECTRICAL CHARACTERISTIC TABLE
SOD-123 CASE
MAXIMUM RATINGS:
Power Dissipation (@TL=75°C)
Maximum Operating Junction Temperature
Storage Temperature
Thermal Resistance
SYMBOL
PD
TJ
Tstg
Θ
JL
UNIT
mW
°C
°C
°C/W
500
+150
-65 to +175
150
ELECTRICAL CHARACTERISTICS:
(TA=25°C), VF=0.9V MAX @ IF=10mA (for all types)
ZENER
VOLTAGE
VZ @ IZT
MIN
CMHZ5221B
CMHZ5222B
CMHZ5223B
CMHZ5224B
CMHZ5225B
CMHZ5226B
CMHZ5227B
CMHZ5228B
CMHZ5229B
CMHZ5230B
CMHZ5231B
CMHZ5232B
CMHZ5233B
CMHZ5234B
CMHZ5235B
CMHZ5236B
CMHZ5237B
CMHZ5238B
CMHZ5239B
CMHZ5240B
CMHZ5241B
CMHZ5242B
CMHZ5243B
CMHZ5244B
CMHZ5245B
CMHZ5246B
CMHZ5247B
CMHZ5248B
CMHZ5249B
CMHZ5250B
CMHZ5251B
CMHZ5252B
CMHZ5253B
V
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
16.15
17.10
18.05
19.00
20.90
22.80
23.75
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
15
16
17
18
19
20
22
24
25
MAX
V
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
17.85
18.90
19.95
21.00
23.10
25.20
26.25
TEST
CURRENT
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
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
MAXIMUM ZENER
IMPEDANCE
ZZT @ IZT ZZK @
Ω
Ω
30
1200
30
1250
30
1300
30
1400
30
1600
28
1600
24
1700
23
1900
22
2000
19
1900
17
1600
11
1600
7.0
1600
7.0
1000
5.0
750
6.0
500
8.0
500
8.0
600
10
600
17
600
22
600
30
600
13
600
15
600
16
600
17
600
19
600
21
600
23
600
25
600
29
600
33
600
35
600
IZK
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
MAXIMUM
REVERSE
CURRENT
IR
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
0.1
0.1
0.1
0.1
0.1
0.1
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
11
12
13
14
14
15
17
18
19
MAX.
TEMP.
COEFF.
Θ
VZ
%/°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
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.087
+0.089
CC1
CC2
CC3
CC4
CC5
CD1
CD2
CD3
CD4
CD5
CE1
CE2
CE3
CE4
CE5
CF1
CF2
CF3
CF4
CF5
CH1
CH2
CH3
CH4
CH5
CJ1
CJ2
CJ3
CJ4
CJ5
CK1
CK2
CK3
MARKING
CODE
TYPE
R9 (12-August 2010)
CMHZ5221B THRU CMHZ5267B
SURFACE MOUNT
SILICON ZENER DIODE
2.4 VOLTS THRU 75 VOLTS
500mW, 5% TOLERANCE
ELECTRICAL CHARACTERISTICS:
(TA=25°C), VF=0.9V MAX @ IF=10mA (for all types)
ZENER
VOLTAGE
VZ @ IZT
MIN
V
CMHZ5254B
CMHZ5255B
CMHZ5256B
CMHZ5257B
CMHZ5258B
CMHZ5259B
CMHZ5260B
CMHZ5261B
CMHZ5262B
CMHZ5263B
CMHZ5264B
CMHZ5265B
CMHZ5266B
CMHZ5267B
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
53.20
57.00
58.90
64.60
71.25
NOM
V
27
28
30
33
36
39
43
47
51
56
60
62
68
75
MAX
V
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
58.80
63.00
65.10
71.40
78.75
TEST
CURRENT
IZT
mA
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
MAXIMUM ZENER
IMPEDANCE
ZZT@IZT
Ω
41
44
49
58
70
80
93
105
125
150
170
185
230
270
ZZK @
Ω
600
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
IZK
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
MAXIMUM
REVERSE
CURRENT
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
@
VR
V
21
21
23
25
27
30
33
36
39
43
46
47
52
56
MAX.
TEMP.
COEFF.
ΘV
Z
%/°C
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
+0.096
+0.097
+0.097
+0.097
+0.098
CK4
CK5
CM1
CM2
CM3
CM4
CM5
CN1
CN2
CN3
CN4
CN5
CP1
CP2
MARKING
CODE
TYPE
Higher Zener voltages may be available upon request. Please consult factory.
SOD-123 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Cathode
2) Anode
R9 (12-August 2010)
w w w. c e n t r a l s e m i . c o m
嵌入式系统
