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 THRU US1M
FEATURES
FOR SURFACE MOUNTED APPLICATIONS
LOW PROFILE PACKAGE
BUILT-IN STRAIN RELIEF
EASY PICK AND PLACE
PLASTIC MATERIAL USED CARRIES UNDERWRITERS
LABORATORY CLASSIFICATION 94 V-0
ULTRA FAST SWITCHING
GLASS PASSIVATED CHIP JUNCTION
HIGH TEMPERATURE SOLDERING 250°C/10 SECONDS AT
TERMINALS
MECHANICAL DATA
CASE: MOLDED PLASTIC, DO-214AC (SMA),
DIMENSIONS IN INCHES AND (MILLIMETERS)
TERMINALS: SOLDER PLATED
POLARITY: INDICATED BY CATHODE BAND
WEIGHT: 0.064 GRAMS
SOLDERING PAD
CATHODE
.087(2.2)
.065(1.65)
.040(1.25)
.071(1.8)
.220(5.6)
.192(4.9)
.190(4.8)
.157(4.0)
.177(4.5)
.110(2.8)
.090(2.3)
.100(2.6)
.080(2.0)
.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%
RATINGS
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
MAXIMUM DC BLOCKING VOLTAGE
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
AT TL=90°C
MAXIMUM OVERLOAD SURGE
8.3ms SINGLE HALF SINE-WAVE
TYPICAL JUNCTION CAPACITANCE (NOTE 1)
TYPICAL THERMAL RESISTANCE (NOTE 2)
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
SYMBOL US1A
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
θ
JL
T
STG
T
OP
20
30
-55 TO + 150
-55 TO + 125
50
35
50
US1B
100
70
100
US1D
200
140
200
US1G
400
280
400
1.0
30
15
US1J
600
420
600
US1K
800
560
800
US1M
1000
700
1000
UNITS
V
V
V
A
A
PF
°C/W
℃
℃
ELECTRICAL CHARACTERISTICS (A
T
T
A
=25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS
MAXIMUM FORWARD VOLTAGE AT 1.0A AND 25℃
MAXIMUM REVERSE CURRENT AT 25℃
SYMBOL
V
F
I
R
US1A
US1B
1.0
US1D
US1G
1.3
10
US1J
75
US1K
US1M
US1J
US1K
1.7
US1M
UNITS
V
μA
nS
MAXIMUM REVERSE RECOVERY TIME (NOTE 3)
T
RR
50
MARKING
US1A
US1B US1D
US1G
NOTES: 1. MEASURED AT 1.0 MHZ AND APPLIED REVERSE VOLTAGE OF 4.0 V
2. THERMAL RESISTANCE FROM JUNCTION TO TERMINAL 5.0mm
2
(.013 mm THICK) LAND AREAS
3. REVERSE RECOVERY TEST CONDITIONS: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25 A
US1A THRU US1M
Page: 1
RATINGS AND CHARACTERISTIC CURVE US1A THRU US1M
FIG. 1-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
50Ω
NO INDUCTIVE
10Ω
NO INDUCTIVE
Trr
FIG. 2-TYPICAL FORWARD
CURRENT DERATING CURVE
(-)
D.U.T.
(+)
25 V
dc
(Approx)
PULSE
GENERATOR
(NOTE 2)
1Ω
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
+0.5A
AVERAGE FORWARD
CURRENT (A)
2.0
Single Phase Half Wave
60 Hz Resistive or Inductive Load
0
-0.25A
1.0
P.C.B MOUNTED ON
0.3×0.3”(8.0×8.0mm)
COPPER PAD
(-)
(+)
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
-1.0A
1cm
0
25 50 75 100 125 150 175
LEAD TEMPERATURE (
o
C)
SET TIME BASE
FOR 10/20 ns/cm
FIG. 3-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT (uA)
FIG. 4-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT (A)
1000
100
100
US1A~US1D
10
10
T
J
=100
o
C
T
J
=80
o
C
1
US1G
1
T
J
=25
o
C
0.1
20
40
60
80
100
120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
.1
US1J~US1M
.01
.2 .4
.6
.8
1.0
1.2 1.4 1.6 1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE (V)
FIG. 5-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
FIG. 6-TYPICAL JUNCTION CAPACITANCE
50
PEAK FORWARD SURGE CURRENT (A)
200
T
J
=25
o
C
JUNCTION CAPACITANCE (pF)
40
30
8.3 ms Single Half Sine Wave
(JEDEC Method)
100
40
20
10
6
4
2
1
US1J~US1M
US1A~US1G
20
10
0
0
1 2
4 6
10
20
40 60
100
NUMBER OF CYCLES AT 60 Hz
.1 .2
.4
1.0 2
4
10 20 40
100
REVERSE VOLTAGE (V)
US1A THRU US1M
Page: 2
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