US4A
THRU
US4M
4.0
AMP HIGH EFFICIENCY RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* High surge current capability
CURRENT
4.0
Amperes
DO-214AB(SMC)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Terminals: Solder plated, solderable per MIL-STD-202F,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.063 grams
.108(2.75)
.128(3.25)
.220(5.59)
.245(6.22)
.260(6.60)
.280(7.11)
.006(0.152)
.012(0.305)
.079(2.00)
.103(2.62)
.030(0.76)
.050(1.27)
.008
MAX.
(.203)
.
.305(7.75)
.320(8.13)
* Both normal and Pb free product are available:
* Normal:80~95%Sn,5~20%Pb
* Pb free:99 Sn above can meet Rohs enviroment substance
directive request
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at
4.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range Tj, TSTG
NOTES:
US4A US4B US4D US4G
50
35
50
100
70
100
200
140
200
400
280
400
4.0
240
1.3
5
150
50
US4J US4K US4M
UNITS
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
V
mA
mA
nS
pF
C
1.0
1.65
70
75
-65 +150
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
RATING AND CHARACTERISTIC CURVES (US4A THRU RS4M)
FIG.1-TYPICAL FORWARD
10
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
4.8
4.0
3.2
2.4
1.6
0.8
0
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
D
S
4
~U
INSTANTANEOUS FORWARD CURRENT,(A)
4
A
US
4
G
1.0
US
U
S
4
J~
U
S
4
M
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
.1
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE ( C)
.01
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
.001
.4
.6
.8
1.0
1.2
1.4
1.6
1.8
300
FORWARD VOLTAGE,(V)
240
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
180
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
120
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
( )
60
D.U.T.
PULSE
GENERATOR
(NOTE 2)
(+)
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
FIG.5-TYPICAL JUNCTION CAPACITANCE
175
trr
+0.5A
|
|
|
|
|
|
|
|
JUNCTION CAPACITANCE,(pF)
150
125
100
75
50
25
0
0
-0.25A
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
单片机
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