1N4742A Fairchild Semiconductor, 1N4742A Datasheet
1N4742A
Manufacturer Part Number
1N4742A
Description
DIODE ZENER 12V 1W DO-41
Manufacturer
Fairchild Semiconductor
Specifications of 1N4742A
Voltage - Zener (nom) (vz)
12V
Current - Reverse Leakage @ Vr
5µA @ 1V
Tolerance
±5%
Power - Max
1W
Impedance (max) (zzt)
9 Ohm
Mounting Type
Through Hole
Package / Case
DO-204AL, DO-41, Axial
Operating Temperature
-65°C ~ 200°C
Zener Voltage
12 V
Voltage Tolerance
5 %
Zener Current
21 mA
Power Dissipation
1 W
Maximum Reverse Leakage Current
5 uA
Maximum Zener Impedance
9 Ohms
Maximum Operating Temperature
+ 200 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 65 C
Zener Voltage Vz Typ
12V
Operating Temperature Range
-65°C To +200°C
Diode Case Style
DO-41
No. Of Pins
2
Svhc
No SVHC (15-Dec-2010)
Power Dissipation Max
1W
Rohs Compliant
Yes
Power Dissipation Pd
1W
Breakdown Voltage
12V
Diode Type
Zener
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Forward (vf) (max) @ If
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
1N4742A
Manufacturer:
FSC
Quantity:
20 491
Company:
Part Number:
1N4742A
Manufacturer:
FAIRCHILD
Quantity:
9 618
Part Number:
1N4742A
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
1N4742A 12V
Manufacturer:
ST/先科
Quantity:
20 000
Part Number:
1N4742A(12V)
Manufacturer:
ST/先科
Quantity:
20 000
1N4728A - 1N4758A Rev. H3
© 2009 Fairchild Semiconductor Corporation
1N4728A - 1N4758A
Zener Diodes
Absolute Maximum Ratings *
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
Device
Symbol
T
J
, T
P
D
STG
Min.
3.135
3.705
4.085
4.465
4.845
7.125
8.645
10.45
3.42
5.32
5.89
6.46
7.79
11.4
Power Dissipation
@ TL 50C, Lead Length = 3/8”
Derate above 50C
Operating and Storage Temperature Range
9.5
V
Z
(V) @ I
Typ.
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
11
12
Z
(Note 1)
Max.
3.465
4.095
4.515
4.935
5.355
7.875
9.555
11.55
3.78
5.88
6.51
7.14
8.61
10.5
12.6
Parameter
Test Current
T
a
= 25°C unless otherwise noted
I
Z
(mA)
T
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
a
= 25°C unless otherwise noted
COLOR BAND DENOTES CATHODE
DO-41 Glass case
Tolerance = 5%
Z
Max. Zener Impedance
Z
()
3.5
4.5
10
10
@ I
9
9
8
7
5
2
4
5
7
8
9
1
Z
Z
I
ZK
ZK
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
()
@
(mA)
0.25
0.25
0.25
I
-65 to +200
0.5
0.5
0.5
ZK
1
1
1
1
1
1
1
1
1
Value
6.67
1.0
(A)
100
100
I
50
10
10
10
10
10
10
10
10
10
10
Leakage
5
5
Current
R
V
(V)
7.6
8.4
9.1
1
1
1
1
1
1
2
3
4
5
6
7
R
Non-Repetitive
I
Peak Reverse
ZSM
Units
mW/C
C
W
Current
www.fairchildsemi.com
(mA)
1380
1260
1190
1070
April 2009
970
890
810
730
660
605
550
500
454
414
380
(Note 2)
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1N4742A Summary of contents
Page 1
... Fairchild Semiconductor Corporation 1N4728A - 1N4758A Rev. H3 Tolerance = 5% DO-41 Glass case COLOR BAND DENOTES CATHODE T = 25°C unless otherwise noted a Parameter T = 25°C unless otherwise noted a Max ...
Page 2
... LOGO 1N4733A LOGO 1N4734A LOGO 1N4735A LOGO 1N4736A LOGO 1N4737A LOGO 1N4738A LOGO 1N4739A LOGO 1N4740A LOGO 1N4741A LOGO 1N4742A LOGO 1N4743A LOGO 1N4744A LOGO 1N4745A LOGO 1N4746A LOGO 1N4747A LOGO 1N4748A LOGO 1N4749A LOGO 1N4750A LOGO 1N4751A LOGO 1N4752A ...
Page 3
... FSC logo must 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. © 2009 Fairchild Semiconductor Corporation 1N4728A - 1N4758A Rev. H3 (Continued) st ...
Page 4
...