Fairchild BZX85C3V3, BZX85C56 service manual
BZX85C3V3 - BZX85C56
Zener Diodes
COLOR BAND DENOTES CATHODE
Tolerance = 5%
DO-41 Glass case
BZX85C3V3 - BZX85C56 Zener Diodes
June 2007
Absolute Maximum Ratings * T
Symbol Parameter Value Units
P
D
TJ, T
STG
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Power Dissipation @ TL ≤ 50°C, Lead Length = 3/8” 1.0 W
Derate above 50°C 6.67 mW/°C
Operating and Storage Temperature Range -65 to +200 °C
Electrical Characteristics * T
Zener Voltage (Note 1) Zener Impedance Leakage Current
Device
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
VZ (Volts) I
Min. Max. mA (Ω) (Ω)
3.1
3.4
3.7
4.0
4.4
4.8
5.2
5.8
6.4
7.0
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
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
= 25°C unless otherwise noted
A
=25°C unless otherwise noted
A
Z
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
ZZ @ I
20
15
15
13
13
10
7
4
3.5
3
5
5
7
8
9
10
15
15
20
24
Z
ZZK @ I
400
500
500
500
600
500
400
300
300
200
200
200
200
300
350
400
500
500
500
600
ZK
(mA) μA Max. Volts
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
IR @ V
60
30
5
3
3
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
R
1
1
1
1
1.5
2
2
3
4
4.5
5
6.5
7
7.7
8.4
9.1
10.5
11
12.5
14
©2007 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com
BZX85C3V3 - BZX85C56 Rev. F1
Zener Voltage (Note 1) Zener Impedance Leakage Current
Device
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
VZ (Volts) I
Z
ZZ @ I
Z
Min. Max. mA (Ω) (Ω)
20.8
22.8
25.1
28
31
34
37
40
44
48
23.3
25.6
28.9
32
35
38
41
46
50
54
10
10
25
25
8
8
8
8
6
6
4
4
30
30
35
40
45
50
90
115
600
600
750
1000
1000
1000
1000
1000
1500
1500
ZZK @ I
ZK
(mA) μA Max. Volts
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
IR @ V
R
BZX85C56 52 60 4 120 2000 0.25 0.5 39
VF Forward Voltage = 1.2V Max @ IF = 200mA
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.
Top Mark Information
Device Line 1 Line 2 Line 3 Line 4 Line 5
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56 LOGO 85C 56 XY
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
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
85C
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
BZX85C3V3 - BZX85C56 Zener Diodes
15.5
17
19
21
23
25
27
30
33
36
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
BZX85C3V3 - BZX85C56 Rev. F1
2 www.fairchildsemi.com
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