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2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
1N4728A - 1N4764A Rev. G2
1N
47
28
A
-
1N
47
64
A
Zene
rs
January 2005
1N4728A - 1N4764A
Zeners
Absolute Maximum Ratings *
T
a
= 25C unless otherwise noted
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
T
a
= 25C unless otherwise noted
Symbol
Parameter
Value
Units
P
D
Power Dissipation
@ TL
50
C, Lead Length = 3/8"
1.0
W
Derate above 50
C
6.67
mW/
C
T
J
, T
STG
Operating and Storage Temperature Range
-65 to +200
C
Device
V
Z
(V) @ I
Z
(Note 1)
Test Current
I
Z
(mA)
Max. Zener Impedance
Leakage Current
Min.
Typ.
Max.
Z
Z
@ I
Z
(
)
Z
ZK
@
I
ZK
(
)
I
ZK
(mA)
I
R
(
A)
V
R
(V)
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
3.315
3.42
3.705
4.085
4.465
3.3
3.6
3.9
4.3
4.7
3.465
3.78
4.095
4.515
4.935
76
69
64
58
53
10
10
9
9
8
400
400
400
400
500
1
1
1
1
1
100
100
50
10
10
1
1
1
1
1
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
4.845
5.32
5.89
6.46
7.125
5.1
5.6
6.2
6.8
7.5
5.355
5.88
6.51
7.14
7.875
49
45
41
37
34
7
5
2
3.5
4
550
600
700
700
700
1
1
1
1
0.5
10
10
10
10
10
1
2
3
4
5
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
7.79
8.645
9.5
10.45
11.4
8.2
9.1
10
11
12
8.61
9.555
10.5
11.55
12.6
31
28
25
23
21
4.5
5
7
8
9
700
700
700
700
700
0.5
0.5
0.25
0.25
0.25
10
10
10
5
5
6
7
7.6
8.4
9.1
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
12.35
14.25
15.2
17.1
19
13
15
16
18
20
13.65
15.75
16.8
18.9
21
19
17
15.5
14
12.5
10
14
16
20
22
700
700
700
750
750
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
9.9
11.4
12.2
13.7
15.2
DO-41 Glass case
COLOR BAND DENOTES CATHODE
2
www.fairchildsemi.com
1N4728A - 1N4764A Rev. G2
1N
47
28
A
-
1N
47
64
A
Zene
rs
Electrical Characteristics
T
C
= 25C unless 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
V
Z
(V) @ I
Z
(Note 1)
Test Current
I
Z
(mA)
Max. Zener Impedance
Leakage Current
Min.
Typ.
Max.
Z
Z
@ I
Z
(
)
Z
ZK
@
I
ZK
(
)
I
ZK
(mA)
I
R
(
A)
V
R
(V)
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
20.9
22.8
25.65
28.5
31.35
22
24
27
30
33
23.1
25.2
28.35
31.5
34.65
11.5
10.5
9.5
8.5
7.5
23
25
35
40
45
750
750
750
1000
1000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
16.7
18.2
20.6
22.8
25.1
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
34.2
37.05
40.85
44.65
48.45
36
39
43
47
51
37.8
40.95
45.15
49.35
53.55
7
6.5
6
5.5
5
50
60
70
80
95
1000
1000
1500
1500
1500
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
27.4
29.7
32.7
35.8
38.8
1N4758A
1N4759A
1N4760A
1N4761A
1N4762A
53.2
58.9
64.6
71.25
77.9
56
62
68
75
82
58.8
65.1
71.4
78.75
86.1
4.5
4
3.7
3.3
3
110
125
150
175
200
2000
2000
2000
2000
3000
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
42.6
47.1
51.7
56
62.2
1N4763A
1N4764A
86.45
95
91
100
95.55
105
2.8
2.5
250
350
3000
3000
0.25
0.25
5
5
69.2
76
3
www.fairchildsemi.com
1N4728A - 1N4764A Rev. G2
1N
47
28
A
-
1N
47
64
A
Zene
rs
Top Mark Information
Device
Line 1
Line 2
Line 3
Line 4
Line 5
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
28
29
30
31
32
A
A
A
A
A
XY
XY
XY
XY
XY
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
33
34
35
36
37
A
A
A
A
A
XY
XY
XY
XY
XY
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
38
39
40
41
42
A
A
A
A
A
XY
XY
XY
XY
XY
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
43
44
45
46
47
A
A
A
A
A
XY
XY
XY
XY
XY
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
48
49
50
51
52
A
A
A
A
A
XY
XY
XY
XY
XY
1N4753A
1N4754A
1N4755A
1N4756A
1N4757A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
53
54
55
56
57
A
A
A
A
A
XY
XY
XY
XY
XY
1N4758A
1N4759A
1N4760A
1N4761A
1N4762A
LOGO
LOGO
LOGO
LOGO
LOGO
47
47
47
47
47
58
59
60
61
62
A
A
A
A
A
XY
XY
XY
XY
XY
1N4763A
1N4764A
LOGO
LOGO
47
47
63
64
A
A
XY
XY
4
www.fairchildsemi.com
1N4728A - 1N4764A Rev. G2
1N
47
28
A
-
1N
47
64
A
Zene
rs
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 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


F
47
36
A
F
XY
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
5
th
line: Date Code - Two Digit - Six Weeks Date Code
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.
5
www.fairchildsemi.com
1N4728A - 1N4764A Rev. G2
1N
47
28
A
-
1N
47
64
A
Zene
rs
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 APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
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
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.
FAST
FASTrTM
FPSTM
FRFETTM
GlobalOptoisolatorTM
GTOTM
HiSeCTM
I
2
CTM
i-LoTM
ImpliedDisconnectTM
IntelliMAXTM
ISOPLANARTM
LittleFETTM
MICROCOUPLERTM
MicroFETTM
MicroPakTM
MICROWIRETM
MSXTM
MSXProTM
OCXTM
OCXProTM
OPTOLOGIC
OPTOPLANARTM
PACMANTM
POPTM
Power247TM
PowerEdgeTM
PowerSaverTM
PowerTrench
QFET
QSTM
QT OptoelectronicsTM
Quiet SeriesTM
RapidConfigureTM
RapidConnectTM
SerDesTM
SILENT SWITCHER
SMART STARTTM
SPMTM
StealthTM
SuperFETTM
SuperSOTTM-3
SuperSOTTM-6
SuperSOTTM-8
SyncFETTM
TinyLogic
TINYOPTOTM
TruTranslationTM
UHCTM
UltraFET
UniFETTM
VCXTM
A
CExTM
ActiveArrayTM
BottomlessTM
CoolFETTM
CROSSVOLTTM
DOMETM
EcoSPARKTM
E
2
CMOSTM
EnSignaTM
FACTTM
FACT Quiet SeriesTM
Across the board. Around the world.TM
The Power Franchise
Programmable Active DroopTM
Rev. I15