1N4742A [FAIRCHILD]
One Watt Zeners; 一瓦齐纳二极管
| 型号： | 1N4742A |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | One Watt Zeners |
| 文件： | 总2页 (文件大小：25K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1N4728A - 1N4752A Series One Watt Zeners
Tolerance: A = 5%
Absolute Maximum Ratings*
TA = 25°C unless otherwise noted
Param eter
Value
U nits
S torage Tem perature R ange
-65 to +200
+ 200
°C
°C
°C
M axim um Junction O perating Tem perature
Lead Tem perature (1/16” from case for 10 seconds)
+ 230
Total D evice D issipation
D erate above 50°C
Therm al resistance Junction to Lead
1.0
6.67
53.5
100
10
W
m W /°C
°C /W
Therm al resistance Junction to A m bient
S urge P ower**
°C /W
W
*These ratings are limiting values above which the serviceability of the diode may be impaired.
**Non-recurrent square wave PW= 8.3 ms, TA= 55 degrees C.
DO-41
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed
or low duty cycle operations.
Electrical Characteristics
TA = 25°C unless otherwise noted
VZ
(V)
ZZ
(Ω)
IZT
(mA)
ZZK
(Ω)
IZK
(mA)
VR
(V)
IR
(µA)
ISURGE
(mA)
IZM
(mA)
@
@
@
Device
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
1N4751A
1N4752A
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
13
15
16
18
20
22
10
10
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1,000
1,000
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
100
100
50
10
10
10
10
10
10
10
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1,380
1,260
1,190
1,070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
14
16
20
22
23
25
35
40
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
24
27
30
33
38
34
30
27
45
Foward Voltage = 1.2 V Maximum @ IF = 200 mA for all 1N4700 series
VF
1997 Fairchild Semiconductor Corporation
1N4700A Rev. B
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.
ACEx™
CoolFET™
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
FAST®
FASTr™
GTO™
HiSeC™
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
Obsolete
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.
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.
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