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BZX79C2V4 - BZX79C56 Zener Diodes
July 2007
BZX79C2V4 - BZX79C56
Zener Diodes
Tolerance = 5%
DO-35 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings *
Symbol
P
D
T
A
= 25°C unless otherwise noted
Parameter
Power Dissipation
@ TL
≤
75°C, Lead Length = 3/8”
Derate above 75°C
Operating and Storage Temperature Range
Value
500
4.0
-65 to +200
Units
mW
mW/°C
°C
T
J
, T
STG
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
Device
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C15
BZX79C16
BZX79C18
BZX79C20
BZX79C22
BZX79C24
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
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
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
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
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
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
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
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
©2007 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
BZX79C2V4 - BZX79C56 Rev. C1
BZX79C2V4 - BZX79C56 Zener Diodes
Device
BZX79C27
BZX79C30
BZX79C33
BZX79C36
BZX79C39
BZX79C43
BZX79C47
BZX79C51
BZX79C56
Zener Voltage
(Note 1)
Min.
25.1
28
31
34
37
40
44
48
52
Max.
28.9
32
35
38
41
46
50
54
60
I
Z
(mA)
2
2
2
2
2
2
2
2
2
Z
Z
@ I
Z
(Ω)
Max.
Leakage Current
I
R
(μA)
V
R
(V)
T
C
(mV /
°C)
Min.
-
-
-
-
-
-
-
-
-
Max.
23.5
26
29
31
34
37
40
44
47
C (pF)
V
Z
= 0, f = 1MHz
30
27
25
23
21
21
19
19
18
80
80
80
90
130
150
170
180
200
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.5
0.05
18.9
21
23.1
25.2
27.3
30.1
32.9
35.7
39.2
V
F
Forward Voltage = 1.5V Max @ I
F
= 100mA
Notes:
1. Zener Voltage (V
Z
)
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T
L
) at 30°C ± 1°C and 3/8” lead length.
Top Mark Information
Device
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C15
BZX79C16
BZX79C18
BZX79C20
BZX79C22
BZX79C24
BZX79C27
BZX79C30
BZX79C33
BZX79C36
BZX79C39
BZX79C43
BZX79C47
BZX79C51
BZX79C56
Line 1
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
Line 2
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
9C
Line 3
2V4
2V7
3V0
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
2
BZX79C2V4 - BZX79C56 Rev. C1
www.fairchildsemi.com
BZX79C2V4 - BZX79C56 Zener Diodes
Top Mark Information
(Continued)
1
st
line: F - Fairchild Logo
2
nd
line: Device Name - 4
th
to 5
th
characters of the device name.
or 5
th
to 6
th
characters for BZXyy series
3
rd
line: Device Name - 6
th
to 7
th
characters of the device name.
or Voltage rating for BZXyy series
General Requirements:
1.0 Cathode Band
2.0 First Line: F - Fairchild Logo
3.0 Second Line: Device name - For 1Nxx series: 4
th
to 5
th
characters of the device name.
For BZxx series: 5
th
to 6
th
characters of the device name.
4.0 Third Line: Device name - For 1Nxx series: 6
th
to 7
th
characters of the device name.
For BZXyy series: Voltage rating
5.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec).
6.0 Maximum no. of marking lines: 3
7.0 Maximum no. of digits per line: 2
8.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line.
9.0 Marking Font: Arial (Except FSC Logo)
10.0 First character of each marking line must be aligned vertically.
11.0 All device markings must be based on Fairchild device specification.
3
BZX79C2V4 - BZX79C56 Rev. C1
www.fairchildsemi.com
BZX79C2V4 - BZX79C56 Zener Diodes
BZX79C2V4 - BZX79C56 Zener Diodes
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to
be an exhaustive list of all such trademarks.
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FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO
IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE
OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE
RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPE-
CIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
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FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT
THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which, (a) are
intended for surgical implant into the body, or (b) support or sustain life, or
(c) whose failure to perform when properly used in accordance with
instructions for use provided in the labeling, can be reasonably expected
to result in significant injury to the user.
2. A critical component is any component of a life support device or system
whose failure to perform can be reasonably expected to cause the failure
of the life support device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Preliminary
Product Status
Formative or In Design
First Production
Definition
This datasheet contains the design specifications for product develop-
ment. Specifications may change in any manner without notice.
This datasheet contains preliminary data, and supplementary data will
be published at a later date.Fairchild Semiconductor reserves the right
to make changes at any time without notice in order to improve design.
This datasheet contains final specifications. Fairchild Semiconductor
reserves the right to make changes at any time without notice in order
to improve design.
This datasheet contains specifications on a product that has been dis-
continued by Fairchild semiconductor.The datasheet is printed for ref-
erence information only.
Rev. I23
No Identification Needed
Full Production
Obsolete
Not In Production
4
BZX79C2V4 - BZX79C56 Rev. C1
www.fairchildsemi.com
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