SURFACE MOUNT HIGH EFFICIENCY RECTIFIER
US3A THRU US3M
FEATURES
•
•
•
•
•
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
3.0 Ampere
Plastic package has underwrites laboratory flammability
Classification 94V-0
Glass passivated chip junction
Built-in strain relief,
Fast switching speed for high efficiency
High temperature soldering guaranteed:
250℃/10 seconds
DO-214AB(SMC)
MECHANICAL DATA
•
•
•
Case: JEDED DO-214AB transfer molded plastic
Terminals: Solder plated, solderable per
MIL-STD-750, method 2026
Polarity: Color band denotes cathode end
Weight: 0.007 ounce, 0.25 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load derate current by 20%.
SYMBOLS US3A US3B
Maximum Repetitive Peak Reverse Voltage
V
RRM
50
100
Maximum RMS Voltage
V
RMS
35
70
Maximum DC Blocking Voltage
V
DC
50
100
Maximum Average Forward Rectified Current
At T
L
=105℃(NOTE 1)
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
at rated DC Blocking Voltage at
T
A
= 25℃
T
A
= 125℃
•
•
•
US3D
200
140
200
US3G
400
280
400
3.0
100
US3J
600
420
600
US3K
800
560
800
US3M
1000
700
1000
UNIT
Volts
Volts
Volts
Amps
Amps
I
(AV)
I
FSM
V
F
I
R
t
rr
C
J
R
θJA
R
θJL
T
J
T
STG
50
80
1.0
1.3
10
200
1.7
Volts
µA
Maximum Reverse Recovery Time
Test conditions I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
Typical Junction Capacitance
(Measured at 1.0MHz and applied reverse voltage of 4.0V)
Typical Thermal Resistance (Note 1)
Operating Junction Temperature
Storage Temperature Range
100
50
55
17
(-55 to +150)
(-55 to +150)
nS
pF
℃
/W
℃
℃
Notes:
1. Thermal resistance from Junction to ambient and from junction to lead mounted on
P.C.B. with 0.3×0.3″(8.0
×
8.0mm) copper pad areas.
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SURFACE MOUNT HIGH EFFICIENCY RECTIFIER
US3A THRU US3M
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
3.0 Ampere
RATING AND CHRACTERISTIC CURVES US3A THRU US3M
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,
3.0
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
150
2.0
CURRENT, (A)
8.3ms Single Half Sine-Wave
(JEDEC Method) T
j
= T
jmax
100
(A)
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375″(9.5mm) Lead Length
50
1 Cycle
0
0
25
50
75
100
125
150
175
0
1
2
4
6
8 10
20
40
60
100
AMBIENT TEMPERATURE, (° C)
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
(μA)
100
INSTANTANEOUS FORWARD CURRENT,
/ 20
1 00
0 -4
00
V
10
0V
0V
60
30
00
V
5 0/
(A)
1.0
80
0V
-1
10
T
J
=100° C
1.0
0.1
T
J
=25℃
T
J
=25° C
Pulse Width=300us
1% Duty Cycle
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.1
0
20
40
60
80
100
120
140
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
1000
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
JUNCTION CAPACITANCE,(pF)
F1G.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
Trr
50Ω
10Ω
NONINDUCTIVE NONINDUCTIVE
+0.5A
(-)
100
US
3A -
US3
G
(+)
25 Vdc
(approx.)
(-)
D.U.T.
PULSE
GENERATIOR
(NOTE 2)
(+)
OSCILLOSCOPE
(NOTE 1)
0
-0.25A
US
T
J
=25° C
f=1MHz
Vsig=50mVp-p
1 3J
-U S
3M
1Ω
NON
INDUCTIVE
-1.0A
1cm
10
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
NOTES : 1.Rise Time=7ns max. Input Impedance=
1 megohm. 22pF
2.Rise time=10ns max. Source Impedance=
50 ohms
SET TIME BASE FOR
50/100ns/cm
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
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