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BZX55CT20

Description
Zener Diode, 20V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, GLASS PACKAGE-2
CategoryDiscrete semiconductor    diode   
File Size74KB,3 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
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BZX55CT20 Overview

Zener Diode, 20V V(Z), 5%, 0.5W, Silicon, Unidirectional, DO-35, GLASS PACKAGE-2

BZX55CT20 Parametric

Parameter NameAttribute value
MakerFairchild
Parts packaging codeDO-35
package instructionO-LALF-W2
Contacts2
Reach Compliance Codeunknown
ECCN codeEAR99
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
Maximum dynamic impedance55 Ω
JEDEC-95 codeDO-35
JESD-30 codeO-LALF-W2
Number of components1
Number of terminals2
Maximum operating temperature200 °C
Package body materialGLASS
Package shapeROUND
Package formLONG FORM
polarityUNIDIRECTIONAL
Maximum power dissipation0.5 W
Certification statusNot Qualified
Nominal reference voltage20 V
surface mountNO
technologyZENER
Terminal formWIRE
Terminal locationAXIAL
Maximum voltage tolerance5%
Working test current5 mA
Zeners BZX55C2V4 - BZX55C91
Zeners
BZX55C2V4 - BZX55C91
Absolute Maximum Ratings *
Symbol
P
D
Parameter
Power Dissipation
@ TL
75°C, Lead Length = 3/8”
Derate above 75°C
T
J
, T
STG
Operating and Storage Temperature Range
T
A
= 25°C unless otherwise noted
Tolerance = 5%
Units
mW
mW/°C
°C
Value
500
4.0
-65 to +200
* These ratings are limiting values above which the serviceability of the diode may be impaired.
DO-35 Glass case
COLOR BAND DENOTES CATHODE
Electrical Characteristics
Device
BZX55C2V4
BZX55C2V7
BZX55C3V0
BZX55C3V3
BZX55C3V6
BZX55C3V9
BZX55C4V3
BZX55C4V7
BZX55C5V1
BZX55C5V6
BZX55CT6V2
BZX55CT6V8
BZX55CT7V5
BZX55CT8V2
BZX55CT9V1
BZX55CT10
BZX55CT11
BZX55CT12
BZX55CT13
BZX55CT15
BZX55CT16
BZX55CT18
BZX55CT20
BZX55C22
BZX55C24
BZX55C27
BZX55C30
BZX55C33
BZX55C36
BZX55C39
V
Z
(V) @ I
Z
(Note 1)
Min.
2.28
2.50
2.8
3.1
3.4
3.7
4.0
4.4
4.8
5.2
5.8
6.4
7.0
7.7
8.5
9.5
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28.0
31.0
34.0
37.0
Max.
2.56
2.9
3.2
3.5
3.8
4.1
4.6
5.0
5.4
6.0
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.1
23.3
25.6
28.9
32.0
35.0
38.0
41.0
T
A
=25°C unless otherwise noted
Z
Z
@ I
Z
(Ω)
85
85
85
85
85
85
75
60
35
25
10
8
7
7
10
15
20
20
26
30
40
50
55
55
80
80
80
80
80
90
Test Current
I
Z
(mA)
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
2.5
I
R
(µA) @ V
R
µ
Ta = 25°C
°
50
10
4
2
2
2
1
0.5
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
Ta = 125°C
°
100
50
40
40
40
40
40
10
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
5
V
R
(V)
1
1
1
1
1
1
1
1
1
1
2
3
5
6
7
7.5
8.5
9
10
11
12
14
15
17
18
20
22
24
27
28
I
ZM
(mA)
(Note 2)
155
135
125
115
105
95
90
85
80
70
64
58
53
47
43
40
36
32
29
27
24
21
20
18
16
14
13
12
11
10
©2003 Fairchild Semiconductor Corporation
BZX55C2V4 - BZX55C91, Rev. A

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Parts packaging code DO-35 DO-35 DO-35 DO-35 DO-35 DO-35 DO-35
package instruction O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2
Contacts 2 2 2 2 2 2 2
Reach Compliance Code unknown unknown unknown unknown unknown unknown unknown
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Shell connection ISOLATED ISOLATED ISOLATED ISOLATED ISOLATED ISOLATED ISOLATED
Configuration SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE
Diode component materials SILICON SILICON SILICON SILICON SILICON SILICON SILICON
Diode type ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE ZENER DIODE
Maximum dynamic impedance 55 Ω 50 Ω 8 Ω 7 Ω 7 Ω 10 Ω 15 Ω
JEDEC-95 code DO-35 DO-35 DO-35 DO-35 DO-35 DO-35 DO-35
JESD-30 code O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2 O-LALF-W2
Number of components 1 1 1 1 1 1 1
Number of terminals 2 2 2 2 2 2 2
Maximum operating temperature 200 °C 200 °C 200 °C 200 °C 200 °C 200 °C 200 °C
Package body material GLASS GLASS GLASS GLASS GLASS GLASS GLASS
Package shape ROUND ROUND ROUND ROUND ROUND ROUND ROUND
Package form LONG FORM LONG FORM LONG FORM LONG FORM LONG FORM LONG FORM LONG FORM
polarity UNIDIRECTIONAL UNIDIRECTIONAL UNIDIRECTIONAL UNIDIRECTIONAL UNIDIRECTIONAL UNIDIRECTIONAL UNIDIRECTIONAL
Maximum power dissipation 0.5 W 0.5 W 0.5 W 0.5 W 0.5 W 0.5 W 0.5 W
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Nominal reference voltage 20 V 18 V 6.8 V 7.5 V 8.2 V 9.1 V 10 V
surface mount NO NO NO NO NO NO NO
technology ZENER ZENER ZENER ZENER ZENER ZENER ZENER
Terminal form WIRE WIRE WIRE WIRE WIRE WIRE WIRE
Terminal location AXIAL AXIAL AXIAL AXIAL AXIAL AXIAL AXIAL
Maximum voltage tolerance 5% 5% 5% 5% 5% 5% 5%
Working test current 5 mA 5 mA 5 mA 5 mA 5 mA 5 mA 5 mA
Maker Fairchild - Fairchild Fairchild Fairchild Fairchild Fairchild

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