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US1A THRU US1M
1.0 Amps. Surface Mount Ultrafast Rectifiers
Voltage Range 50 to 1000 Volts Current 1.0 Amperes
Features
Glass passivated junction chip For surface mounted application Low profile package Built-in strain relief Ideal for automated placement Easy pick and place Ultrafast recovery time for high efficiency Low forward voltage, low power loss High temperature soldering guaranteed: O 260 C/10 seconds on terminals Plastic material used carries Underwriters Laboratory Classification 94V-O
.062(1.58) .050(1.27)
SMA/DO-214AC
.111(2.83) .090(2.29)
.187(4.75) .160(4.06)
.091(2.30) .078(1.99)
Mechanical Data
Cases: Molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Weight: 0.064 gram
.056(1.41) .035(0.90) .008(.20) .004(.10) .210(5.33) .195(4.95)
.012(.31) .006(.15)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, 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 @ TL=110 Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 1.0A Maximum DC Reverse Current @ TA =25 at Rated DC Blocking Voltage @ TA=100 Maximum Reverse Recovery Time ( Note 1 ) Typical Junction Capacitance ( Note 2 ) Maximum Thermal Resistance (Note 3) Operating Temperature Range
Symbol US1A US1B US1D US1G US1J US1K US1M Units
VRRM VRMS VDC I(AV) IFSM VF IR Trr Cj RJA RJL TJ TSTG
50 35 50
100 70 100
200 140 200
400 280 400 1.0 30
600 420 00
800 560 800
1000 700 1000
V V V A A
1.0 10 50 50 15 75 27 -55 to +150 -55 to + 150
1.7
V uA uA nS pF /W
75 10
Storage Temperature Range Notes: 1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1 MHz and Applied VR=4.0 Volts 3. P.C.B. Mounted on 0.2 x 0.2" (5.0 x 5.0mm) Copper Pad Area.
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RATINGS AND CHARACTERISTIC CURVES (US1A THRU US1M)
FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE
1.2
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
50
PEAK FORWARD SURGE CURRENT. (A)
AVERAGE FORWARD CURRENT. (A)
1.0
40
TL=90 0C 8.3ms Single Half Sine Wave JEDEC Method
RESISTIVE OR INDUCTIVE LOAD
30
0.5
20
P.C.B. MOUNTED ON 0.2 X 0.2" (5.0X5.0mm) COPPER PAD AREAS
0 0 20 40 60 80 100 120
o
10
0 140 160 180 1 10 NUMBER OF CYCLES AT 60Hz 100 LEAD TEMPERATURE. ( C)
FIG.3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
10
INSTANTANEOUS FORWARD CURRENT. (A)
FIG.4- TYPICAL REVERSE CHARACTERISTICS
100
US1A - US1G 1
INSTANTANEOUS REVERSE CURRENT. (mA)
10 Tj=100 0C
US1J - US1M 0.1
1
Tj=25 0C 0.1
0.01
Pulse Width=300 s 1% Duty Cycle 0.001 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0.01 0 20 40 60 80 100 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FORWARD VOLTAGE. (V)
FIG.5- TYPICAL JUNCTION CAPACITANCE
TRANSIENT THERMAL IMPEDANCE, ( OC/W)
100
Tj=25 0C f=1.0MHz Vsig=50mVp-p
FIG.6- TYPICAL TRANSIENT THERMAL IMPEDANCE
100
JUNCTION CAPACITANCE.(pF)
US1A - US1G
10
10
US1J - US1M
1
1 0.1 1 REVERSE VOLTAGE. (V) 10 100
0.1 0.01
0.1
1 T, PULSE DURATION, sec.
10
100
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