©2005 Fairchild Semiconductor Corporation 1www.fairchildsemi.com
UF4001 - UF4007 Rev. C3
UF4001 - UF4007 Fast Rectifiers
UF4001 - UF4 007
Fast Rectifiers
• Low forward voltage drop
• High surge current capability
• High reliability
• High current capability
Absolute Maximum Ratings*
T
a
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Charac t eris tics
Electrical Characteristics
T
a
= 25°C unless otherwise noted
Symbol Parameter Value Units
4001 4002 4003 4004 4005 4006 4007
V
RRM
Maximum Repetitive Reverse Voltage 50 100 200 400 600 800 1000 V
I
F(AV)
Average Rectified Forward Current,
.375” lead length @ T
A
= 75°C1.0 A
I
FSM
Non-Repetitive Peak Forward Surge Current
8.3ms Single Half-Sine-Wave 30 A
T
STG
Storage Temperature Range -65 to +150 °C
T
J
Operating Junction Temperature -65 to +150 °C
Symbol Parameter Value Units
P
D
Power Dissipation 2.08 W
R
θJA
Thermal Resistance, Junction to Ambient 60 °C/W
R
θJL
Thermal Resistance, Junction to Lead 30 °C/W
Symbol Parameter Value Units
4001 4002 4003 4004 4005 4006 4007
V
F
Forward Voltage @ 1.0A 1.0 1.7 V
t
rr
Reverse Recovery Time
I
F
= 0.5 A, I
R
= 1.0A, I
RR
= 0.25A 50 75 ns
I
R
Reverse Current @ Rated V
R
T
A
= 25°C
T
A
= 100°C10
50 µA
µA
C
T
Total Capacitance
V
R
= 4.0V, f = 1.0MHz 17 pF
DO-41 (Plastic)
COLOR BAND DENOTES CATHODE
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UF4001 - UF4007 Rev. C3
UF4001 - UF4007 Fast Rectifiers
Typ ical Perf orman ce C hara cteri stics
Forward Characteri stics
0255075100125150175
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
AMBIENT TEMPERATURE ( C)
SINGL E PHASE
HALF WAVE
60HZ
RESI STIVE OR
INDUC TIVE LOAD
.375" (9. 00mm) LOAD
LE NGTH S
º
Forward Characteristics
0.2 0.4 0.6 0.8 1 1.2 1.4
0.001
0.01
0.1
1
10
FORWARD VOLTA GE (V)
T = 25 C
º
J
Puls e W i dth = 300µ
µµ
µS
2% Duty Cycle
T = 25 C
º
A
U F4001- UF4003 UF4005-UF4007
UF4004
Non-Repetitive Surge Current
12 51020 50100
0
10
20
30
40
NUMBER OF CYC LES AT 60Hz
Reverse Characteristics
0 20406080100120140
0.1
1
10
100
1000
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
T = 25 C
º
J
T = 25 C
º
A
T = 125 C
º
A
Typical Juncti on Capacitance
0.1 0.5 1 2 5 10 20 50 100 500
0
10
20
30
40
50
60
REVER SE VOLTAGE (V)
UF4004- U F4007
UF4001-UF4003
Pulse
Generator
(Note 2)
50
Ω
NONINDUCTIVE 50
Ω
NONINDUCTIVE
DUT
(-)
(+)
OSCILLOSCOPE
(Note 1)
50
Ω
NONINDUCTIVE
50V
(approx)
1.0 cm SE T T IME BASE FOR
trr
+0. 5A
0
-0.25A
-1.0A
5 / 10 ns/ cm
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.
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UF4001 - UF4007 Rev. C3
UF4001 - UF4007 Fast Rectifiers
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 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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