US2A thru US2M
SURFACE MOUNT
ULTRA FAST RECTIFIERS
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
REVERSE VOLTAGE –
FORWARD CURRENT –
SMB
50
to
1000
Volts
2.0
Amperes
SMB
DIM.
A
B
C
D
MIN.
4.06
3.30
1.96
0.15
5.21
0.05
2.01
0.76
MAX.
4.57
3.94
2.21
0.31
5.59
0.20
2.40
1.52
MECHANICAL DATA
• Case: Molded plastic
• Polarity: Indicated by cathode band
• Weight:0.002 ounces, 0.064 grams
E
F
G
H
All Dimensions in millimeter
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
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
SYMBOL
V
RRM
V
RMS
VDC
I
AV
US2A
50
35
50
US2B
100
70
100
US2D
200
140
200
US2G
400
280
400
2.0
US2J
600
420
600
US2K
800
560
800
US2M
1000
700
1000
UNIT
V
V
V
A
@TL=95°C
Peak Forward Surge 8.3ms single half
sine-wave superimposed on rated load
Maximum Forward Voltage at 2.0A DC
Maximum DC Reverse Current @Tj=25°C
at Rated DC Blocking Voltage @Tj=100°C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Junction Temperature Range
Storage Temperature Range
Note :
(1)
(2)
(3)
I
FSM
V
F
I
R
1.0
50
1.3
5
100
1.7
A
V
uA
T
RR
Cj
R
Θ
JL
Tj
T
STG
50
30
22
-55 to +150
-55 to +150
75
ns
pF
°C/W
°C
°C
Reverse Recovery Test Condition :I
F
=0.5A,I
R
=1.0A,,I
RR
=0.25A.
Measured at 1MHz and applied reverse voltage of 4.0VDC.
Thermal Resistance junction to Ambient, Lead and Case
REV.0, Jul-2010, KSFB01
RATING AND CHARACTERISTIC CURVES
US2A thru US2
FIG.1- FORWARD CURRENT DERATING CURVE
2.5
FIG.2- MAXIMUM NON-REPETITIVE SURGE CURRENT
60
US2A to US2D
AVERAGE FORWARD CURRENT, (A)
2
US2G
1.5
PEAK FORWARD SURGE CURRENT, (A)
50
40
US2J to US2M
1
30
0.5
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.
20
10
8.3ms Single Half Sine-Wave
0
0
25
50
75
100
125
150
0
1
10
NUMBER OF CYCLES AT 60Hz
100
LEAD TEMPERATURE, (
℃
)
FIG.3- TYPICAL JUNCTION CAPACITANCE
100
100
FIG.4- TYPICAL FORWARD CHARACTERISTICS
US2A to US2D
INSTANTANEOUS FORWARD CURRENT, (A)
@25℃
@150℃
US2G
@25℃
@150℃
10
CAPACITANCE, (pF)
1
US2J to US2M
0.1
@25℃
@150℃
Tj=25℃, f=1MHz
PULSE WIDTH 300us
2% Duty Cycle
0.01
10
1
10
REVERSE VOLTAGE, VOLTAGES
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
FIG.5- TYPICAL REVERSE CHARACTERISTICS
10
INSTANTANEOUS REVERSE CURRENT, (mA)
1
0.1
Tj=150℃
0.01
0.001
0.0001
Tj=25℃
0.00001
0
20
40
60
80
100
120
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
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.
电子工程世界
综合技术交流
