CMSZ5255B Central Semiconductor, CMSZ5255B Datasheet - Page 2

• Manufacturer Part Number: CMSZ5255B
• Description: Zener Diodes 250mW 5% Tolerance
• Manufacturer: Central Semiconductor

Specifications of CMSZ5255B

• Product Category: Zener Diodes
• Zener Voltage: 28 V
• Voltage Tolerance: 5 %
• Voltage Temperature Coefficient: 0.091 % / C
• Zener Current: 4.5 mA
• Power Dissipation: 250 mW
• Maximum Reverse Leakage Current: 0.1 uA
• Maximum Zener Impedance: 44 Ohms
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-323
• Configuration: Single
• Minimum Operating Temperature: - 65 C
• Factory Pack Quantity: 3000

w w w. c e n t r a l s e m i . c o m
ELECTRICAL CHARACTERISTICS - Continued: (T A =25°C) V F =0.9V MAX @ I F =10mA (for all types)
CMSZ5245B
CMSZ5246B
CMSZ5247B
CMSZ5248B
CMSZ5249B
CMSZ5250B
CMSZ5251B
CMSZ5252B
CMSZ5253B
CMSZ5254B
CMSZ5255B
CMSZ5256B
CMSZ5257B
CMSZ5258B
CMSZ5259B
CMSZ5260B
CMSZ5261B
CMSZ5262B
CMSZ5263B
CMSZ5264B
CMSZ5265B
CMSZ5266B
CMSZ5267B
TYPE
CMSZ5221B THRU CMSZ5267B
275mW, 2.4 THRU 75 VOLTS
SILICON ZENER DIODE
SURFACE MOUNT
5% TOLERANCE
14.25
15.20
16.15
17.10
18.05
20.90
22.80
23.75
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
MIN
19
V
ZENER VOLTAGE
V Z @ I ZT
NOM
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
V
15.75
16.80
17.85
18.90
19.95
23.10
25.20
26.25
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
MAX
21
V
SOT-323 CASE - MECHANICAL OUTLINE
CURRENT
TEST
I ZT
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
2.5
2.2
2.1
2.0
1.8
1.7
IMPEDANCE
MAXIMUM
Z ZT @ I ZT
ZENER
105
125
150
170
185
230
270
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
Ω
1000
1100
1300
1400
1400
1600
1700
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
IMPEDANCE
Z ZK @ I ZK
Ω
MAXIMUM
ZENER
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
mA
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
0.1
0.1
0.1
0.1
0.1
0.1
I R
MAXIMUM
CURRENT
REVERSE
@ V R
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
V
R5 (12-December 2012)
TEMPERATURE
COEFFICIENT
LEAD CODE:
1) Anode
2) No Connection
3) Cathode
MAXIMUM
+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
+0.096
+0.096
+0.097
+0.097
+0.097
+0.098
%/°C
ΘV Z
MARKING
CODE
8WC
8VC
8XC
8YC
8ZC
1C8
1D8
1G8
1H8
1M8
1N8
1R8
1U8
1A8
1B8
1E8
1F8
1K8
1L8
1P8
1S8
1T8
1J8