Fairchild BZX79C2V4, BZX79C2V7, BZX79C3V0, BZX79C3V3, BZX79C3V6 service manual
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Zeners
BZX79C2V4 - BZX79C180
Zeners BZX79C2V4 - BZX79C180
Absolute Maximum Ratings *
Symbol Parameter Value Units
P
D
, T
T
J
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Power Dissipation
@ TL ≤ 75°C, Lead Length = 3/8”
Derate above 75°C4.0mW/°C
Operating and Storage Temperature Range -65 to +200 °C
STG
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
Zener Voltage
Min. Max. I
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
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
(Note 1)
(mA)
Z
TA = 25°C unless otherwise noted
500 mW
TA=25°C unless otherwise noted
ZZ @ IZ (Ω) Leakage Current TC (mV / °C) C (pF)
Max. IR (µA) VR (V)
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
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
10.5
11.2
12.6
15.4
16.8
18.9
23.1
25.2
27.3
14
21
Tolerance = 5%
DO-35 Glass case
COLOR BAND DENOTES CATHODE
Min. Max. VZ = 0, f = 1MHz
1
1
1
1
1
1
1
2
2
2
4
4
5
5
6
7
8
8
8
-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
-
-
-
-
-
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
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
©2004 Fairchild Semiconductor Corporation BZX79C2V4 - BZX79C180, Rev. B1
Zeners BZX79C2V4 - BZX79C180
Electrical Characteristics
Device
BZX79C43
BZX79C47
BZX79C51
BZX79C56
BZX79C62
BZX79C68
BZX79C75
BZX79C82
BZX79C91
BZX79C100
BZX79C110
BZX79C120
BZX79C130
BZX79C150
BZX79C160
Zener Voltag e
Min. Max. I
40
44
48
52
58
64
70
77
85
94
104
114
124
138
153
46
50
54
60
66
72
79
87
96
106
116
127
141
156
171
(Continued) TA=25°C unless otherwise noted
(Note 1)
(mA)
Z
ZZ @ IZ (Ω) Leakage Current TC (mV / °C) C (pF)
Max. IR (µA) VR (V)
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
150
170
180
200
215
240
255
280
300
500
650
800
950
1250
1400
0.05
0.05
0.5
0.05
0.05
0.05
0.05
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
30.1
32.9
35.7
39.2
43.4
47.6
52.5
62
69
76
84
91
99
115
122
Min. Max. VZ = 0, f = 1MHz
-
37
-
40
-
44
-
47
-
51
-
56
46
51
57
63
69
75
87
93
60
95
107
119
131
144
158
185
200
BZX79C180 168 191 1 1700 0.1 137 105 228 18
Forward Volt age = 1.5V Max @ IF = 100mA
V
F
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.
21
19
19
18
17
17
16.5
29
28
27
26
24
23
21
20
©2004 Fairchild Semiconductor Corporation BZX79C2V4 - BZX79C180, Rev. B1
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