Zeners 1N4370A - 1N4372A 1N746A - 1N759A
Zeners
1N4370A - 1N4372A
1N746A - 1N759A
Absolute Maximum Ratings *
Symbol
P
D
Parameter
Power Dissipation
@ TL
≤
75°C, Lead Length = 3/8”
Derate above 75°C
T
J
, T
STG
Operating and Storage Temperature Range
T
A
= 25°C unless otherwise noted
Tolerance = 5%
Units
mW
mW/°C
°C
Value
500
4.0
-65 to +200
* 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
Device
1N4370A
1N4371A
1N4372A
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
Min.
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
11.40
Typ.
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
12
T
A
=25°C unless otherwise noted
V
Z
(V) @ I
Z
= 20mA
(Note 1)
Max.
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.5
12.6
Z
Z
(Ω) @ I
Z
= 20mA
30
30
29
28
24
23
22
19
17
11
7
5
6
8
10
17
30
I
ZM
(mA)
(Note 2)
I
R
(µA) @ V
R
= 1V
Ta = 25°C
100
75
50
10
10
10
2
2
1
1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Ta = 125°C
200
150
100
30
30
30
30
30
20
20
20
20
20
20
20
20
20
150
135
120
110
100
95
85
75
70
65
60
55
50
45
40
35
30
V
F
Forward Voltage = 1.5V 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.
2. Maximum Zener Current Ratings (I
ZM
)
The maximum current handling capability on a worst case basis is limited by the actual zener voltage at the operation point and the power derating curve.
©2004 Fairchild Semiconductor Corporation
1N4370A - 1N4372A 1N746A - 1N759A, Rev. C1
Zeners 1N4370A - 1N4372A 1N746A - 1N759A
Top Mark Information
Device
1N4370A
1N4371A
1N4372A
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
Line 1
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
Line 2
437
437
437
746
747
748
749
750
751
752
753
754
755
756
757
758
759
Line 3
0A
1A
2A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Line 5
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
©2004 Fairchild Semiconductor Corporation
1N4370A - 1N4372A 1N746A - 1N759A, Rev. C1
Zeners 1N4370A - 1N4372A 1N746A - 1N759A
Top Mark Information
(Continued)
F
1
st
line: F - Fairchild Logo
2
nd
line: Device Name - 3
rd
to 5
th
characters of the device name.
or 4
th
to 6
th
characters for BZXyy series
3
rd
line: Device Name - 6
th
to 7
th
characters of the device name.
or Voltage rating for BZXyy series
4
th
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”
522
9B
XY
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 5th 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: 6
th
to 7
th
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
1N4370A - 1N4372A 1N746A - 1N759A, Rev. C1
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PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or
In Design
Definition
This datasheet contains the design specifications for
product development. 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
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Rev. I10
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