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.
MAXIMUM RATINGS:
SYMBOL
UNIT
Power Dissipation (@TL=75°C)
PD
500
mW
Storage Temperature Range
Tstg
-65 to +175
°C
Maximum Junction Temperature
TJ
+150
°C
Thermal Resistance
JL
150
°C/W
ELECTRICAL CHARACTERISTICS: (TA=25°C), VF=0.9V MAX @ IF=10mA FOR ALL TYPES
CMHZ5221B THRU CMHZ5281B
SURFACE MOUNT ZENER DIODE
2.4 VOLTS THRU 200 VOLTS
500mW, 5% TOLERANCE
SOD-123 CASE
Central
Semiconductor Corp.
TM
R3 ( 2-November 2001)
ZENER
TEST
MAXIMUM ZENER
MAXIMUM
MAX.
MARKING
TYPE NO.
VOLTAGE
CURRENT
IMPEDANCE
REVERSE
TEMP.
CODE
VZ @ IZT
IZT
CURRENT
COEFF.
MIN
NOM
MAX
ZZT@IZT
ZZK
@IZK
IR
@VR
VZ
VOLTS
VOLTS
VOLTS
mA
mA
µ
A
VOLTS
%/°C
CMHZ5221B
2.280
2.4
2.520
20
30
1200
0.25
100
1.0
-0.085
CC1
CMHZ5222B
2.375
2.5
2.625
20
30
1250
0.25
100
1.0
-0.085
CC2
CMHZ5223B
2.565
2.7
2.835
20
30
1300
0.25
75
1.0
-0.080
CC3
CMHZ5224B
2.660
2.8
2.940
20
30
1400
0.25
75
1.0
-0.080
CC4
CMHZ5225B
2.850
3.0
3.150
20
30
1600
0.25
50
1.0
-0.075
CC5
CMHZ5226B
3.135
3.3
3.465
20
28
1600
0.25
25
1.0
-0.070
CD1
CMHZ5227B
3.420
3.6
3.780
20
24
1700
0.25
15
1.0
-0.065
CD2
CMHZ5228B
3.705
3.9
4.095
20
23
1900
0.25
10
1.0
-0.060
CD3
CMHZ5229B
4.085
4.3
4.515
20
22
2000
0.25
5.0
1.0
±0.055
CD4
CMHZ5230B
4.465
4.7
4.935
20
19
1900
0.25
5.0
2.0
±0.030
CD5
CMHZ5231B
4.845
5.1
5.355
20
17
1600
0.25
5.0
2.0
±0.030
CE1
CMHZ5232B
5.320
5.6
5.880
20
11
1600
0.25
5.0
3.0
+0.038
CE2
CMHZ5233B
5.700
6.0
6.300
20
7.0
1600
0.25
5.0
3.5
+0.038
CE3
CMHZ5234B
5.890
6.2
6.510
20
7.0
1000
0.25
5.0
4.0
+0.045
CE4
CMHZ5235B
6.460
6.8
7.140
20
5.0
750
0.25
3.0
5.0
+0.050
CE5
CMHZ5236B
7.125
7.5
7.875
20
6.0
500
0.25
3.0
6.0
+0.058
CF1
CMHZ5237B
7.790
8.2
8.610
20
8.0
500
0.25
3.0
6.5
+0.062
CF2
CMHZ5238B
8.265
8.7
9.135
20
8.0
600
0.25
3.0
6.5
+0.065
CF3
CMHZ5239B
8.645
9.1
9.555
20
10
600
0.25
3.0
7.0
+0.068
CF4
CMHZ5240B
9.500
10
10.50
20
17
600
0.25
3.0
8.0
+0.075
CF5
CMHZ5241B
10.45
11
11.55
20
22
600
0.25
2.0
8.4
+0.076
CH1
CMHZ5242B
11.40
12
12.60
20
30
600
0.25
1.0
9.1
+0.077
CH2
CMHZ5243B
12.35
13
13.65
9.5
13
600
0.25
0.5
9.9
+0.079
CH3
CMHZ5244B
13.30
14
14.70
9.0
15
600
0.25
0.1
10
+0.082
CH4
CMHZ5245B
14.25
15
15.75
8.5
16
600
0.25
0.1
11
+0.082
CH5
CMHZ5246B
15.20
16
16.80
7.8
17
600
0.25
0.1
12
+0.083
CJ1
CMHZ5247B
16.15
17
17.85
7.4
19
600
0.25
0.1
13
+0.084
CJ2
CMHZ5248B
17.10
18
18.90
7.0
21
600
0.25
0.1
14
+0.085
CJ3
CMHZ5249B
18.05
19
19.95
6.6
23
600
0.25
0.1
14
+0.086
CJ4
CMHZ5250B
19.00
20
21.00
6.2
25
600
0.25
0.1
15
+0.086
CJ5
CMHZ5251B
20.90
22
23.10
5.6
29
600
0.25
0.1
17
+0.087
CK1
CMHZ5252B
22.80
24
25.20
5.2
33
600
0.25
0.1
18
+0.087
CK2
CMHZ5253B
23.75
25
26.25
5.0
35
600
0.25
0.1
19
+0.089
CK3
Central
Semiconductor Corp.
TM
SOD-123 CASE - MECHANICAL OUTLINE
CMHZ5221B THRU CMHZ5281B
SURFACE MOUNT ZENER DIODE
2.4 VOLTS THRU 200 VOLTS
500mW, 5% TOLERANCE
MIN
MAX
MIN
MAX
A
0.037
0.053
0.95
1.35
B
-
0.005
-
0.12
C
-
0.008
-
0.20
D
0.055
0.071
1.40
1.80
E
0.098
0.112
2.50
2.84
F
0.140
0.154
3.55
3.90
G
0.010
-
0.25
-
H
0.020
0.028
0.50
0.70
SOD-123 (REV:R3)
DIMENSIONS
SYMBOL
INCHES
MILLIMETERS
A
B
C
D
F
E
H
G
1
2
R3
R3 ( 2-November 2001)
ELECTRICAL CHARACTERISTICS: (TA=25°C), VF=0.9V MAX @ IF=10mA FOR ALL TYPES
ZENER
TEST
MAXIMUM ZENER
MAXIMUM
MAX.
MARKING
TYPE NO.
VOLTAGE
CURRENT
IMPEDANCE
REVERSE
TEMP.
CODE
VZ @ IZT
IZT
CURRENT
COEFF.
MIN
NOM
MAX
ZZT@IZT
ZZK
@IZK
IR
@VR
VZ
VOLTS
VOLTS
VOLTS
mA
mA
µ
A
VOLTS
%/°C
CMHZ5254B
25.65
27
28.35
4.6
41
600
0.25
0.1
21
+0.090
CK4
CMHZ5255B
26.60
28
29.40
4.5
44
600
0.25
0.1
21
+0.091
CK5
CMHZ5256B
28.50
30
31.50
4.2
49
600
0.25
0.1
23
+0.091
CM1
CMHZ5257B
31.35
33
34.65
3.8
58
700
0.25
0.1
25
+0.092
CM2
CMHZ5258B
34.20
36
37.80
3.4
70
700
0.25
0.1
27
+0.093
CM3
CMHZ5259B
37.05
39
40.95
3.2
80
800
0.25
0.1
30
+0.094
CM4
CMHZ5260B
40.85
43
45.15
3.0
93
900
0.25
0.1
33
+0.095
CM5
CMHZ5261B
44.65
47
49.35
2.7
105
1000
0.25
0.1
36
+0.095
CN1
CMHZ5262B
48.45
51
53.55
2.5
125
1100
0.25
0.1
39
+0.096
CN2
CMHZ5263B
53.20
56
58.80
2.2
150
1300
0.25
0.1
43
+0.096
CN3
CMHZ5264B
57.00
60
63.00
2.1
170
1400
0.25
0.1
46
+0.097
CN4
CMHZ5265B
58.90
62
65.10
2.0
185
1400
0.25
0.1
47
+0.097
CN5
CMHZ5266B
64.60
68
71.40
1.8
230
1600
0.25
0.1
52
+0.097
CP1
CMHZ5267B
71.25
75
78.75
1.7
270
1700
0.25
0.1
56
+0.098
CP2
CMHZ5268B
77.90
82
86.10
1.5
330
2000
0.25
0.1
62
+0.098
CP3
CMHZ5269B
82.65
87
91.35
1.4
370
2200
0.25
0.1
68
+0.099
CP4
CMHZ5270B
86.45
91
95.55
1.4
400
2300
0.25
0.1
69
+0.099
CP5
CMHZ5271B
95.00
100
105.00
1.3
500
2600
0.25
0.1
76
+0.11
CR1
CMHZ5272B
104.50
110
115.50
1.1
750
3000
0.25
0.1
84
+0.11
CR2
CMHZ5273B
114.00
120
126.00
1.0
900
4000
0.25
0.1
91
+0.11
CR3
CMHZ5274B
123.50
130
136.50
0.95
1100
4500
0.25
0.1
99
+0.11
CR4
CMHZ5275B
133.00
140
147.00
0.90
1300
4500
0.25
0.1
106
+0.11
CR5
CMHZ5276B
142.50
150
157.50
0.85
1500
5000
0.25
0.1
114
+0.11
CS1
CMHZ5277B
152.00
160
168.00
0.80
1700
5500
0.25
0.1
122
+0.11
CS2
CMHZ5278B
161.50
170
178.50
0.74
1900
5500
0.25
0.1
129
+0.11
CS3
CMHZ5279B
171.00
180
189.00
0.68
2200
6000
0.25
0.1
137
+0.11
CS4
CMHZ5280B
180.50
190
199.50
0.66
2400
6500
0.25
0.1
144
+0.11
CS5
CMHZ5281B
190.00
200
210.00
0.65
2500
7000
0.25
0.1
152
+0.11
CT1
Lead Code:
1) Cathode
2) Anode
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