Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web: http://www.frontierusa.com
1A SURFACE MOUNT ULTRA FAST RECOVERY RECTIFIERS
US1A-LFR THRU US1M-LFR
SOLDERING PAD
FEATURES
z FOR SURFACE MOUNTED APPLICATIONS
z LOW PROFILE PACKAGE
CATHODE
.087(2.2)
z BUILT-IN STRAIN RELIEF
z EASY PICK AND PLACE
.065(1.65)
.040(1.25)
z PLASTIC MATERIAL USED CARRIES UNDERWRITERS
LABORATORY CLASSIFICATION 94 V-0
z ULTRA FAST SWITCHING
z GLASS PASSIVATED CHIP JUNCTION
z HIGH TEMPERATURE SOLDERING 250°C/10 SECONDS AT
TERMINALS
.071(1.8)
.177(4.5)
.220(5.6)
.192(4.9)
.110(2.8)
.090(2.3)
.190(4.8)
.157(4.0)
z ROHS
.100(2.6)
.080(2.0)
MECHANICAL DATA
z CASE: MOLDED PLASTIC, DO-214AC (SMA),
DIMENSIONS IN INCHES AND (MILLIMETERS)
z TERMINALS: SOLDER PLATED
z POLARITY: INDICATED BY CATHODE BAND
z WEIGHT: 0.064 GRAMS
.071(1.8)
.035(0.9)
.080(2.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS 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%
US1A-LF
US1D-LF US1G-LF US1J-LF US1K-LF US1M-LF
RATINGS
SYMBOL
US1B-LFR
UNITS
R
R
R
R
R
R
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
V
V
V
MAXIMUM DC BLOCKING VOLTAGE
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
AT TL=90°C
MAXIMUM OVERLOAD SURGE
8.3ms SINGLE HALF SINE-WAVE
100
1000
IO
1.0
30
A
A
IFSM
TYPICAL JUNCTION CAPACITANCE (NOTE 1)
TYPICAL THERMAL RESISTANCE (NOTE 2)
CJ
20
15
PF
θJL
30
°C/W
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
TSTG
TOP
-55 TO + 150
℃
℃
-55 TO + 125
ELECTRICAL CHARACTERISTICS (AT TA =25°C UNLESS OTHERWISE NOTED)
US1A-LF
US1D-LF US1G-LF US1J-LF US1K-LF US1M-LF
CHARACTERISTICS
SYMBOL
VF
US1B-LFR
UNITS
V
R
R
R
R
R
R
MAXIMUM FORWARD VOLTAGE AT 1.0A AND 25℃
MAXIMUM REVERSE CURRENT AT 25℃
1.0
1.3
1.7
IR
10
μA
MAXIMUM REVERSE RECOVERY TIME (NOTE 3)
MARKING
TRR
50
75
nS
US1A
US1B
US1D
US1G
US1J
US1K
US1M
NOTE: 1. MEASURED AT 1.0 MHZ AND APPLIED REVERSE VOLTAGE OF 4.0 V
2. THERMAL RESISTANCE FROM JUNCTION TO TERMINAL 5.0mm2 (.013 mm THICK) LAND AREAS
3. REVERSE RECOVERY TEST CONDITIONS: IF=0.5A, IR=1.0A, IRR=0.25 A
US1A-LFR THRU US1M-LFR
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