©2005 Fairchild Semiconductor Corporation 1www.fairchildsemi.com
January 2005
1N483B Rev. A
1N483B Small Signal Diode
1N483B
Small Signal Diode
Absolute Maximum Ratings *
T
a
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of the diode may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Thermal Charac t eris tics
Electrical Characteristics
T
C
= 25°C unless otherwise noted
Symbol Parameter Value Unit
V
RRM
Maximum Repetitive Reverse Voltage 80 V
I
F(AV)
Average Rectified Forward Current 200 mA
I
FSM
Non-repetitive Peak Forward Surge Current
Pulse Width = 1.0 second
Pulse Width = 1.0 microsecond 1.0
4.0 A
A
T
STG
St orage Temperature Range -65 to +200 °C
T
J
Operating Junction Temperature 175 °C
Symbol Parameter Value Unit
P
D
Power Dissipation 500 mW
R
θJA
Thermal Resistance, Junction to Ambient 300 °C/W
Symbol Parameter Conditions Min. Max Units
V
R
Breakdown Voltage I
R
= 100µA80V
V
F
Forward Voltage I
F
= 100mA 1.0 V
I
R
Reverse Leakage V
R
= 60V
V
R
= 60V, T
A
= 150°C25
5nA
µA
DO-35
Color Band Denotes Cathode
TRADEMARKS
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be an exhaustive list of all such trademarks.
2www.fairchildsemi.com
1N483B Rev. A
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.
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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 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.
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Rev. I15
1N483B Small Signal Diode1N483B Small Signal Diode
