1N4933-1N4937
1N4933 - 1N4937
Features
•
•
•
•
Low forward voltage drop.
High surge current capability.
High reliability.
High current capability.
DO-41
COLOR BAND DENOTES CATHODE
Fast Rectifiers
Absolute Maximum Ratings*
Symbol
V
RRM
I
F(AV)
I
FSM
T
stg
T
J
T
A
= 25°C unless otherwise noted
Parameter
4933
Maximum Repetitive Reverse Voltage
Average Rectified Forward Current,
.375 " lead length @ T
A
= 50°C
Non-repetitive Peak Forward Surge Current
8.3 ms Single Half-Sine-Wave
Storage Temperature Range
Operating Junction Temperature
50
4934
100
Value
4935
200
1.0
30
-50 to +150
-50 to +150
4936
400
4937
600
Units
V
A
A
°C
°C
*
These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics
Symbol
P
D
R
θJA
Parameter
Power Dissipation
Thermal Resistance, Junction to Ambient
Value
2.5
50
Units
W
°C/W
Electrical Characteristics
Symbol
V
F
t
rr
I
R
C
T
T
A
= 25°C unless otherwise noted
Parameter
4933
Forward Voltage @ 1.0 A
Reverse Recovery Time
I
F
= 0.5 A, I
R
= 1.0 A, I
rr
= 0.25 A
Reverse Current @ rated V
R
T
A
= 25°C
T
A
= 125°C
Total Capacitance
V
R
= 4.0 V, f = 1.0 MHz
Device
4934
4935
1.2
150
5.0
100
12
4936
4937
Units
V
ns
µA
µA
pF
2001
Fairchild Semiconductor Corporation
1N4933-1N4937, Rev. C
1N4933-1N4937
Typical Characteristics
Average Rectified Forward Current, I
F
[A]
1
20
10
Forward Current, I
F
[A]
0.8
3
1
0.3
0.1
0.03
0.01
0.6
0.8
T
J
= 25
º
C
A
Pulse Width = 200µS
300µ
µ
2% Duty Cycle
0.6
SINGLE PHASE
HALF WAVE
60HZ
RESISTIVE OR
INDUCTIVE LOAD
.375" 9.0 mm LEAD
LENGTHS
0.4
0.2
0
0
25
50
75
100
125
Ambient Temperature [ºC]
150
175
1
1.2
1.4
1.6
Forward Voltage, V
F
[V]
1.8
2
Figure 1. Forward Current Derating Curve
Peak Forward Surge Current, I
FSM
[A]
40
Figure 2. Forward Voltage Characteristics
100
T
A
= 100
º
C
30
Reverse Current, I
R
[mA]
10
20
10
1
T
J
= 25
º
C
A
0
1
2
5
10
20
Number of Cycles at 60Hz
50
100
0.1
0
20
40
60
80
100
120
140
Percent of Rated Peak Reverse Voltage [%]
Figure 3. Non-Repetitive Surge Current
20
Total Capacitance, C
T
[pF]
Figure 4. Reverse Current vs Reverse Voltage
10
5
2
1
1
2
5
10
20
Reverse Voltage, V
R
[V]
50
100
Figure 5. Total Capacitance
50Ω
NONINDUCTIVE
50Ω
NONINDUCTIVE
+0.5A
(-)
trr
DUT
50V
(approx)
50Ω
NONINDUCTIVE
Pulse
Generator
(Note 2)
(+)
OSCILLOSCOPE
(Note 1)
0
-0.25A
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.
-1.0A
1.0cm
SET TIME BASE FOR
5/ 10 ns/ cm
Reverse Recovery Time Characterstic and Test Circuit Diagram
2001
Fairchild Semiconductor Corporation
1N4933-1N4937, Rev. C
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™
Bottomless™
CoolFET™
CROSSVOLT™
DenseTrench™
DOME™
EcoSPARK™
E
2
CMOS
TM
EnSigna
TM
FACT™
FACT Quiet Series™
DISCLAIMER
FAST
®
FASTr™
FRFET™
GlobalOptoisolator™
GTO™
HiSeC™
ISOPLANAR™
LittleFET™
MicroFET™
MicroPak™
MICROWIRE™
OPTOLOGIC™
OPTOPLANAR™
PACMAN™
POP™
Power247™
PowerTrench
®
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SILENT SWITCHER
®
SMART START™
STAR*POWER™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
TruTranslation™
UHC™
UltraFET
®
VCX™
STAR*POWER is used under license
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
2. A critical component is any component of a life
systems which, (a) are intended for surgical implant into
support device or system whose failure to perform can
the body, or (b) support or sustain life, or (c) whose
be reasonably expected to cause the failure of the life
failure to perform when properly used in accordance
support device or system, or to affect its safety or
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
user.
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
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.
Preliminary
First Production
No Identification Needed
Full Production
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.
Rev. H4
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
