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BZX79C51

Description
51 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-35
CategoryDiscrete semiconductor    diode   
File Size46KB,5 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Environmental Compliance
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BZX79C51 Overview

51 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-35

BZX79C51 Parametric

Parameter NameAttribute value
Brand NameFairchild Semiconduc
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerFairchild
Parts packaging codeDO-35
package instructionGLASS PACKAGE-2
Contacts2
Manufacturer packaging codeAXIAL LEADED; GLASS; JEDEC DO204 ; VARIATION AH
Reach Compliance Codecompli
ECCN codeEAR99
Shell connectionISOLATED
ConfigurationSINGLE
Diode component materialsSILICON
Diode typeZENER DIODE
Maximum dynamic impedance180 Ω
JEDEC-95 codeDO-35
JESD-30 codeO-LALF-W2
JESD-609 codee3
Number of components1
Number of terminals2
Maximum operating temperature200 °C
Minimum operating temperature-65 °C
Package body materialGLASS
Package shapeROUND
Package formLONG FORM
Peak Reflow Temperature (Celsius)NOT SPECIFIED
polarityUNIDIRECTIONAL
Maximum power dissipation0.5 W
Certification statusNot Qualified
Nominal reference voltage51 V
surface mountNO
technologyZENER
Terminal surfaceMatte Tin (Sn)
Terminal formWIRE
Terminal locationAXIAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance5%
Working test current2 mA
Zeners BZX79C2V4 - BZX79C180
Zeners
BZX79C2V4 - BZX79C180
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
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C14
BZX79C16
BZX79C18
BZX79C20
BZX79C22
BZX79C24
BZX79C27
BZX79C30
BZX79C33
BZX79C36
BZX79C39
Min.
2.2
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28
31
34
37
Max.
2.6
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32
35
38
41
T
A
=25°C unless otherwise noted
Zener Voltage
(Note 1)
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
2
2
2
2
2
Z
Z
@ I
Z
(Ω)
Max.
Leakage Current
I
R
(µA)
V
R
(V)
T
C
(mV /
°C)
Min.
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-3.5
-2.7
-2
0.4
1.2
2.5
3.2
3.8
4.5
5.4
6
7
9.2
10.4
12.9
14.4
16.4
18.4
-
-
-
-
-
Max.
0
0
0
0
0
+0.3
+1
+0.2
+1.2
+2.5
3.7
4.5
5.3
6.2
7
8
9
10
11
13
14
16
18
20
22
23.5
26
29
31
34
C (pF)
V
Z
= 0, f = 1MHz
255
230
215
200
185
175
160
130
110
95
90
85
80
75
70
70
65
65
60
55
52
47
36
34
33
30
27
25
23
21
100
100
95
95
90
90
90
80
60
40
10
15
15
15
15
20
20
25
30
30
40
45
55
55
70
80
80
80
90
130
100
75
50
25
15
10
5
3
2
1
3
2
1
0.7
0.5
0.2
0.1
0.1
0.1
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
10.5
11.2
12.6
14
15.4
16.8
18.9
21
23.1
25.2
27.3
©2004 Fairchild Semiconductor Corporation
BZX79C2V4 - BZX79C180, Rev. B1
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