FAIRCHILD BZX79C18

Absolute Maximum Ratings *
Tolerance = 5%
TA = 25°C unless otherwise noted
Symbol
PD
Parameter
Power Dissipation
@ TL ≤ 75°C, Lead Length = 3/8”
TJ, TSTG
Operating and Storage Temperature Range
Value
500
Units
mW
4.0
mW/°C
-65 to +200
°C
Derate above 75°C
* 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
TA=25°C unless otherwise noted
Leakage Current
TC (mV / °C)
Max.
2.6
2.9
3.2
3.5
3.8
IZ (mA)
5
5
5
5
5
Max.
IR (µA)
VR (V)
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
Min.
2.2
2.5
2.8
3.1
3.4
100
100
95
95
90
100
75
50
25
15
1
1
1
1
1
Min.
-3.5
-3.5
-3.5
-3.5
-3.5
Max.
0
0
0
0
0
VZ = 0, f = 1MHz
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
Device
Zener Voltage (Note 1)
©2004 Fairchild Semiconductor Corporation
ZZ @ IZ (Ω)
C (pF)
BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Zeners
BZX79C2V4 - BZX79C180
A
Leakage Current
TC (mV / °C)
Max.
46
50
54
60
66
IZ (mA)
2
2
2
2
2
Max.
IR (µA)
VR (V)
BZX79C43
BZX79C47
BZX79C51
BZX79C56
BZX79C62
Min.
40
44
48
52
58
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
Min.
-
Max.
37
40
44
47
51
VZ = 0, f = 1MHz
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
Device
Zener Voltage (Note 1)
ZZ @ IZ (Ω)
C (pF)
VF Forward Voltage = 1.5V Max @ IF = 100mA
Notes:
1. Zener Voltage (VZ)
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C ± 1°C and 3/8” lead length.
©2004 Fairchild Semiconductor Corporation
BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Electrical Characteristics (Continued) T =25°C unless otherwise noted
Device
BZX79C2V4
BZX79C2V7
BZX79C3V0
BZX79C3V3
BZX79C3V6
Line 1
LOGO
LOGO
LOGO
LOGO
LOGO
Line 2
79C
79C
79C
79C
79C
Line 3
2V4
2V7
3V0
3V3
3V6
Line 4
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
F
522
9B
XY
1st line: F - Fairchild Logo
2nd line: Device Name - 3rd to 5th characters of the device name.
or 4th to 6th characters for BZXyy series
3rd line: Device Name - 6th to 7th characters of the device name.
or Voltage rating for BZXyy series
4th line: Device Code or - Two Digit - Six Weeks Date Code.
Date code plus or Two Digit - Six Weeks Date Code
Large die identification plus Large die identification, “L”
General Requirements:
1.0 Cathod Band
2.0 First Line: F - Fairchild Logo
3.0 Second Line: Device name - For 1Nxx series: 3rd to 5th characters of the device name.
For BZxx series: 4th to 6th characters of the device name.
4.0 Third Line: Device name - For 1Nxx series: 6th to 7th 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
©2004 Fairchild Semiconductor Corporation
BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Top Mark Information (Continued)
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PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or
In Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
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.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. I9