US2A thru US2M
SURFACE MOUNT
ULTRA FAST RECTIFIERS
REVERSE VOLTAGE –
50
to
1000
Volts
FORWARD CURRENT –
2.0
Amperes
FEATURES
• Glass passivated chip
• Ultra fast switching for high efficiency
• For surface mounted applications
• Low forward voltage drop and Hi current capability
• Low reverse leakage current
• Plastic material has UL flammability classification 94V-0
MECHANICAL DATA
• Case: Molded plastic
• Polarity: Indicated by cathode band
• Weight:0.002 ounces, 0.064 grams
SMB
All Dimensions in millimeter
SMB
DIM. MIN. MAX.
A
C
D
E
F
G
H
B
4.06 4.57
3.94 3.30
1.96 2.21
0.31 0.15
5.21 5.59
0.05 0.20
2.01 2.40
0.76 1.52
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
°C
ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
CHARACTERISTICS SYMBOL
US2A
US2B
US2D
US2G
US2J
US2K
US2M
UNIT
Maximum Repetitive Peak Reverse Voltage V
RRM
50 100 200 400 600 800 1000 V
Maximum RMS Voltage V
RMS
35 70 140 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V
Maximum Average Forward
Rectified Current @TL=95°C I
AV
2.0 A
Peak Forward Surge 8.3ms single half
sine-wave superimposed on rated load I
FSM
50 A
Maximum Forward Voltage at 2.0A DC V
F
1.0 1.3 1.7 V
Maximum DC Reverse Current @Tj=25°C
at Rated DC Blocking Voltage @Tj=100°C I
R
5
100 u
A
Maximum Reverse Recovery Time (Note 1)
T
RR
50 75
ns
Typical Junction Capacitance (Note 1)
Cj 30 pF
Typical Thermal Resistance (Note 2) R
Θ
JL
22 °C/W
Operating Junction Temperature Range Tj -55 to +150 °C
Storage Temperature Range T
STG
-55 to +150 °C
REV.0, Jul-2010, KSFB01
Note :
(1) Reverse Recovery Test Condition :I
F
=0.5A,I
R
=1.0A,,I
RR
=0.25A.
(2) Measured at 1MHz and applied reverse voltage of 4.0VDC.
(3) Thermal Resistance junction to Ambient, Lead and Case
RATING AND CHARACTERISTIC CURVES
US2A thru US2
Note: LSC and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections
or other changes, to this document, and the products and services described herein at anytime, without notice.
FIG.1- FORWARD CURRENT DERATING CURVE
0
0.5
1
1.5
2
2.5
0 25 50 75 100 125 150
LEAD TEMPERATURE, ( ℃)
AVERAGE FORWARD CURRENT, (A)
FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT
0
10
20
30
40
50
60
1 10 100
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURG E CURRENT, (A)
FIG.3- TYPICAL JUNCTION CAPACITANCE
10
100
1 10 100
REVERSE VOLTAGE, VOLTAGES
CAPACITANCE, (pF)
FIG.4- TYPICAL FORWARD CHARACTERISTICS
0.01
0.1
1
10
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
INSTANTANEOUS FORWARD CURRENT, (A)
FIG.5- TYPICAL REVERSE CHARACTERISTICS
0.00001
0.0001
0.001
0.01
0.1
1
10
0 20 40 60 80 100 120
PERCENT OF RAT ED PEAK REVERSE VOLTAGE, (%)
INSTANTANEOUS REVERSE CURRENT, (mA)
Tj=150℃
Tj=25℃
PULSE WIDTH 300us
2% Duty Cycle
Tj=25℃, f=1MHz
8.3ms Single Half Sine-Wave
Mounted on glass-epoxy substrate with
1oz/ft
2
_US2A to US2D / 7x5 mm, US2G /
10 x 10 mm, US2J to US2M / 15 x 15
mm copper pad.
US2J to US2M @25℃
@150℃
US2G @25℃
@150℃
US2A to US2D @25℃
@150℃
US2A to US2D
US2G
US2J to US2M
