©2004 Fairchild Semiconductor Corporation BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Electrical Characteristics
T
A
=25°C unles s otherwise noted
Device Zener Voltage
(Note 1)
Z
Z
@ I
Z
(Ω) Leakage Current T
C
(mV / °C) C (pF)
Min. Max. I
Z
(mA)
Max. I
R
(µA) V
R
(V)
Min. Max. V
Z
= 0, f = 1MHz
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
2.2
2.5
2.8
3.1
3.4
2.6
2.9
3.2
3.5
3.8
5
5
5
5
5
100
100
95
95
90
100
75
50
25
15
1
1
1
1
1
-3.5
-3.5
-3.5
-3.5
-3.5
0
0
0
0
0
255
230
215
200
185
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
3.7
4
4.4
4.8
5.2
4.1
4.6
5
5.4
6
5
5
5
5
5
90
90
80
60
40
10
5
3
2
1
1
1
2
2
2
-3.5
-3.5
-3.5
-2.7
-2
+0.3
+1
+0.2
+1.2
+2.5
175
160
130
110
95
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
5.8
6.4
7
7.7
8.5
6.6
7.2
7.9
8.7
9.6
5
5
5
5
5
10
15
15
15
15
3
2
1
0.7
0.5
4
4
5
5
6
0.4
1.2
2.5
3.2
3.8
3.7
4.5
5.3
6.2
7
90
85
80
75
70
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C14
9.4
10.4
11.4
12.4
13.8
10.6
11.6
12.7
14.1
15.6
5
5
5
5
5
20
20
25
30
30
0.2
0.1
0.1
0.1
0.05
7
8
8
8
10.5
4.5
5.4
6
7
9.2
8
9
10
11
13
70
65
65
60
55
BZX79C16
BZX79C18
BZX79C20
BZX79C22
BZX79C24
15.3
16.8
18.8
20.8
22.8
17.1
19.1
21.2
23.3
25.6
5
5
5
5
5
40
45
55
55
70
0.05
0.05
0.05
0.05
0.05
11.2
12.6
14
15.4
16.8
10.4
12.9
14.4
16.4
18.4
14
16
18
20
22
52
47
36
34
33
BZX79C27
BZX79C30
BZX79C33
BZX79C36
BZX79C39
25.1
28
31
34
37
28.9
32
35
38
41
2
2
2
2
2
80
80
80
90
130
0.05
0.05
0.05
0.05
0.05
18.9
21
23.1
25.2
27.3
-
-
-
-
-
23.5
26
29
31
34
30
27
25
23
21
Zeners
BZX79C2V4 - BZX79C180
Absolute Maximum Ratings *
T
A
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Symbol Parameter Value Units
P
D
Power Dissipation
@ TL ≤ 75°C, Lead Length = 3/8” 500 mW
Derate above 75°C4.0mW/°C
T
J
, T
STG
Operating and Storage Temperature Range -65 to +200 °C
Tolerance = 5%
DO-35 Glass case
COLOR BAND DENOTES CATHODE
©2004 Fairchild Semiconductor Corporation BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Electrical Characteristics
(Continued) T
A
=25°C unles s otherwise noted
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.
Device Zener Voltage
(Note 1)
Z
Z
@ I
Z
(Ω) Leakage Current T
C
(mV / °C) C (pF)
Min. Max. I
Z
(mA)
Max. I
R
(µA) V
R
(V)
Min. Max. V
Z
= 0, f = 1MHz
BZX79C43
BZX79C47
BZX79C51
BZX79C56
BZX79C62
40
44
48
52
58
46
50
54
60
66
2
2
2
2
2
150
170
180
200
215
0.05
0.05
0.5
0.05
0.05
30.1
32.9
35.7
39.2
43.4
-
-
-
-
-
37
40
44
47
51
21
19
19
18
17
BZX79C68
BZX79C75
BZX79C82
BZX79C91
BZX79C100
64
70
77
85
94
72
79
87
96
106
2
2
2
2
1
240
255
280
300
500
0.05
0.05
0.1
0.1
0.1
47.6
52.5
62
69
76
-
-
46
51
57
56
60
95
107
119
17
16.5
29
28
27
BZX79C110
BZX79C120
BZX79C130
BZX79C150
BZX79C160
104
114
124
138
153
116
127
141
156
171
1
1
1
1
1
650
800
950
1250
1400
0.1
0.1
0.1
0.1
0.1
84
91
99
115
122
63
69
75
87
93
131
144
158
185
200
26
24
23
21
20
BZX79C180 168 191 1 1700 0.1 137 105 228 18
V
F
Forward Voltage = 1.5V Max @ I
F
= 100mA
©2004 Fairchild Semiconductor Corporation BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Top Mark Information
Device Line 1 Line 2 Line 3 Line 4
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
2V4
2V7
3V0
3V3
3V6
XY
XY
XY
XY
XY
BZX79C3V9
BZX79C4V3
BZX79C4V7
BZX79C5V1
BZX79C5V6
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
3V9
4V3
4V7
5V1
5V6
XY
XY
XY
XY
XY
BZX79C6V2
BZX79C6V8
BZX79C7V5
BZX79C8V2
BZX79C9V1
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
6V2
6V8
7V5
8V2
9V1
XY
XY
XY
XY
XY
BZX79C10
BZX79C11
BZX79C12
BZX79C13
BZX79C14
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
10
11
12
13
14
XY
XY
XY
XY
XY
BZX79C16
BZX79C18
BZX79C20
BZX79C22
BZX79C24
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
16
18
20
22
24
XY
XY
XY
XY
XY
BZX79C27
BZX79C30
BZX79C33
BZX79C36
BZX79C39
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
27
30
33
36
39
XY
XY
XY
XY
XY
BZX79C43
BZX79C47
BZX79C51
BZX79C56
BZX79C62
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
43
47
51
56
62
XY
XY
XY
XY
XY
BZX79C68
BZX79C75
BZX79C82
BZX79C91
BZX79C100
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
68
75
82
91
100
XY
XY
XY
XY
XY
BZX79C110
BZX79C120
BZX79C130
BZX79C150
BZX79C160
LOGO
LOGO
LOGO
LOGO
LOGO
79C
79C
79C
79C
79C
110
120
130
150
160
XY
XY
XY
XY
XY
BZX79C180 LOGO 79C 180 XY
©2004 Fairchild Semiconductor Corporation BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Top Mark Information
(Continued)
General Requirements:
1.0 Cathod Band
2.0 First Line: F - Fairchild Logo
3.0 Second Line: Device name - For 1Nxx series: 3
rd
to 5th characters of the device name.
For BZxx series: 4
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 Fourth Line: XY or XYL - Two Digit - Six Weeks Date Code
Where: X represents the last digit of the calendar year
Y represents the Six weeks numeric code
L represents the Large die identification
6.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec).
7.0 Maximum no. of marking lines: 4
8.0 Maximum no. of digits per line: 3
9.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line.
10.0 Marking Font: Arial (Except FSC Logo)
11.0 First character of each marking line must be aligned vertically
F
522
9B
XY
1
st
line: F - Fairchild Logo
2
nd
line: Device Name - 3
rd
to 5
th
characters of the device name.
or 4
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
4
th
line: Device Co de or - Two Digit - Six Weeks Date Code.
Date code plus or Two Digit - Six Weeks Date Code
Large die identification plus Large die identifi cation, “L”
DISCLAIMER
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 APPLICA TION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEY ANY LICENSE UNDER ITS P ATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
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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.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROV AL 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 ST A TUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. 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 discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
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In Design
First Production
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