US1A - US1M SURFACE MOUNT
ULTRA FAST RECTIFIERS
PRV : 50 ~ 1000 Volts
Io : 1.0 Am
p
ere
FEATURES :
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
* Pb / RoHS Free
MECHANICAL DATA
:
* Case : SMA Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.060 gram (Approximately)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTIC
S
Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V
Maximum Continuous Reverse Voltage VR50 100 200 400 600 800 1000 V
Maximum Average Forward Current IF(AV) 1.0 A
Maximum non-repetitive peak forward current
8.3ms Single half sine wave,
Maximum Instantaneous Forward Voltage at IF = 1.0 A VF1.1 1.7 V
Maximum DC Reverse Current Ta = 25 °CIR10 μA
at Rated DC Blocking Voltage Ta = 100 °CIR(H) 50 μA
Maximum Reverse Recovery Time (1) Trr 50 75 ns
Typical Junction Capacitance (2) CJ15 10 pF
Junction Temperature Range TJ - 65 to + 175 °C
Storage Temperature Range TSTG - 65 to + 175 °C
Notes :
(1) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
(2) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
Page 1 of 2 Rev. 06 : September 23, 2008
RATING
IFSM A30
2.3 ± 0.2
SMA
1.6 ± 0.25
5.3 ± 0.35
4.2 ± 0.25
2.6 ± 0.15
Dimensions in millimeters
1
.
3
±
0
.
2
1.6 ± 0.25
IATF 0060636
SGS TH07/1033
TW00/17276EM
TH97/10561QM
RATING AND CHARACTERISTIC CURVES ( US1A - US1M )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
+
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
LEAD TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3
FORWARD VOLTAGE, (V)
Page 2 of 2 Rev. 06 : September 23, 2008
60Hz RESISTIVE OR INDUCTIVE LOAD
0.8
0.6
0.4
0.2
1.0
100 10
1.0
24
0
30
0
18
12
6
0.1
10
80
0.01
0.01
1.0 0.1
100 140
0
20 40 60 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, (A)
AVERAGE FORWARD OUTPUT
CURRENT, (A)
FORWARD CURRENT , (A)
REVERSE CURRENT , (µA)
TJ = 25 °C
TJ = 100 °C
TJ = 25 °C
Pulse Width = 300 μs
1% Duty Cycle
8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C
US1A - US1G
US1J - US1M
50 Vdc
(approx)
D.U.T.
OSCILLOSCOPE
( NOTE 1 )
1 Ω
50 Ω10 Ω
PULSE
GENERATOR
( NOTE 2 )
Trr
+ 0.5
0
- 0.25
- 1.0
1 cm
SET TIME BASE FOR 25-35 ns/cm
IATF 0060636
SGS TH07/1033
TW00/17276EM
TH97/10561QM