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Электронный компонент: 1N4934

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1N4933-1N4937
1N4933-1N4937, Rev.
C
2001 Fairchild Semiconductor Corporation
1N4933 - 1N4937
Fast Rectifiers
Absolute Maximum Ratings*
T
A
= 25C unless otherwise noted
*
These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Electrical Characteristics
T
A
= 25C unless otherwise noted
Features
Low forward voltage drop.
High surge current capability.
High reliability.
High current capability.
Symbol
Parameter
Device
Units
4933 4934
4935
4936
4937
V
F
Forward Voltage @ 1.0 A
1.2
V
t
rr
Reverse Recovery Time
I
F
= 0.5 A, I
R
= 1.0 A, I
rr
= 0.25 A
150 ns
I
R
Reverse Current @ rated V
R
T
A
= 25
C
T
A
= 125
C
5.0
100
A
A
C
T
Total
Capacitance
V
R
= 4.0 V, f = 1.0 MHz
12 pF
DO-41
COLOR BAND DENOTES CATHODE
Symbol
Parameter
Value
Units
4933 4934
4935
4936
4937
V
RRM
Maximum Repetitive Reverse Voltage
50
100
200
400
600
V
I
F(AV)
Average Rectified Forward Current,
.375 " lead length @ T
A
= 50
C
1.0 A
I
FSM
Non-repetitive Peak Forward Surge Current
8.3 ms Single Half-Sine-Wave
30 A
T
stg
Storage Temperature Range
-50 to +150
C
T
J
Operating Junction Temperature
-50 to +150
C
Symbol
Parameter
Value
Units
P
D
Power
Dissipation
2.5
W
R
JA
Thermal Resistance, Junction to Ambient
50
C/W
Thermal Characteristics
1N4933-1N4937
1N4933-1N4937, Rev.
C
2001 Fairchild Semiconductor Corporation
Typical Characteristics
0
25
50
75
100
125
150
175
0
0.2
0.4
0.6
0.8
1
Ambient Temperature [C]
Average Rectified Forward Current, I
F
[A]
SINGLE PHASE
HALF WAVE
60HZ
RESISTIVE OR
INDUCTIVE LOAD
.375" 9.0 mm LEAD
LENGTHS
1
2
5
10
20
50
100
0
10
20
30
40
Number of Cycles at 60Hz
Peak Forward Surge Current, I
FSM
[A]
1
2
5
10
20
50
100
1
2
5
10
20
Reverse Voltage, V
R
[V]
Total Capacitance, C
T
[pF]
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0.01
0.03
0.1
0.3
1
3
10
20
Forward Voltage, V
F
[V]
Forward Current, I
F
[A]
Pulse Width = 200



S
2% Duty Cycle
T = 25 C
J
Pulse Width = 300



S
2% Duty Cycle
T = 25 C
A
Pulse
Generator
(Note 2)
50
NONINDUCTIVE
50
NONINDUCTIVE
DUT
(-)
(+)
OSCILLOSCOPE
(Note 1)
50
NONINDUCTIVE
50V
(approx)
NOTES:
1. Rise time = 7.0 ns max; Input impedance = 1.0 megaohm 22 pf.
2. Rise time = 10 ns max; Source impedance = 50 ohms.
Reverse Recovery Time Characterstic and Test Circuit Diagram
0
20
40
60
80
100
120
140
0.1
1
10
100
Percent of Rated Peak Reverse Voltage [%]
Reverse Current, I
R
[mA]
T = 25 C
J
T = 25 C
A
T = 100 C
A
1.0cm SET TIME BASE FOR
trr
+0.5A
0
-0.25A
-1.0A
5/ 10 ns/ cm
Figure 1. Forward Current Derating Curve Figure 2. Forward Voltage Characteristics
Figure 3. Non-Repetitive Surge Current
Figure 5. Total Capacitance
Figure 4. Reverse Current vs Reverse Voltage
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.
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.
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
Preliminary
No Identification Needed
Obsolete
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
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
First Production
Full Production
Not In Production
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