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BZX85C3V3 - BZX85C56 Zener Diodes
June 2007
BZX85C3V3 - BZX85C56
Zener Diodes
Tolerance = 5%
DO-41 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings *
Symbol
P
D
T
J
, T
STG
T
A
= 25°C unless otherwise noted
Parameter
Power Dissipation @ TL
≤
50°C, Lead Length = 3/8”
Derate above 50°C
Operating and Storage Temperature Range
Value
1.0
6.67
-65 to +200
Units
W
mW/°C
°C
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
Device
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
V
Z
(Volts)
Min.
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
Max.
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
*
T
A
=25°C unless otherwise noted
Zener Impedance
Z
Z
@ I
Z
(Ω)
20
15
15
13
13
10
7
4
3.5
3
5
5
7
8
9
10
15
15
20
24
Z
ZK
@ I
ZK
(Ω)
400
500
500
500
600
500
400
300
300
200
200
200
200
300
350
400
500
500
500
600
(mA)
μA
Max.
Zener Voltage
(Note 1)
I
Z
mA
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
Leakage Current
I
R
@ V
R
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
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
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
BZX85C3V3 - BZX85C56 Zener Diodes
Zener Voltage
(Note 1)
Device
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
V
Z
(Volts)
Min.
20.8
22.8
25.1
28
31
34
37
40
44
48
52
Max.
23.3
25.6
28.9
32
35
38
41
46
50
54
60
I
Z
mA
10
10
8
8
8
8
6
6
4
4
4
(Ω)
25
25
30
30
35
40
45
50
90
115
120
Zener Impedance
Z
Z
@ I
Z
Z
ZK
@ I
ZK
(Ω)
600
600
750
1000
1000
1000
1000
1000
1500
1500
2000
(mA)
Leakage Current
I
R
@ V
R
μA
Max.
Volts
0.5
0.5
0.25
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
0.5
15.5
17
19
21
23
25
27
30
33
36
39
V
F
Forward Voltage = 1.2V Max @ I
F
= 200mA
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
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
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
Line 2
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
85C
Line 3
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
Line 4
Line 5
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
XY
2
BZX85C3V3 - BZX85C56 Rev. F1
www.fairchildsemi.com
BZX85C3V3 - BZX85C56 Zener Diodes
Top Mark Information
(Continued)
47
36
A
XY
F
1
st
line: F - Fairchild Logo
2
nd
line: Device Name - 3
rd
to 4
th
characters of device name for 1Nxx series
or 4
th
to 6
th
characters for BZXyy series
3
rd
line: Device Name - 5
th
to 6
th
characters of device name for 1Nxx series
or Voltage rating for BZXyy series
4
th
line: Device Name - 7
th
to 8
th
characters of device name for 1Nxx series
or Large Die identification only for BZXyy series
th
5 line: Date Code - Two Digit - Six Weeks Date Code
F
General Requirements:
1.0 Cathode Band
2.0 First Line: F - Fairchild Logo
3.0 Second Line: Device name - For 1Nxx series: 3
rd
to 4
th
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: 5
th
to 6
th
characters of the device name.
For BZXyy series: Voltage rating
5.0 Third Line: Device name - For 1Nxx series: 7
th
to 8
th
characters of the device name.
(the 8th character is the large die identification)
For BZXyy series: Large Die Identification character
6.0 Fourth Line: Date Code - Two Digit - Six Weeks Date Code
Where: X represents the last digit of the calendar year
Y represents the Six weeks numeric code
7.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec).
8.0 Maximum no. of marking lines: 5
9.0 Maximum no. of digits per line: 3
10.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line.
11.0 Marking Font: Arial (Except FSC Logo)
12.0 First character of each marking line must be aligned vertically
13.0 All device markings must be based on Fairchild device specification.
3
BZX85C3V3 - BZX85C56 Rev. F1
www.fairchildsemi.com
BZX85C3V3 - BZX85C56 Zener Diodes
BZX85C3V3 - BZX85C56 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
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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
BZX85C3V3 - BZX85C56 Rev. F1
www.fairchildsemi.com
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