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
3A ULTRA FAST RECOVERY SURFACE MOUNT RECTIFIER
US3A THRU US3M
FEATURES
LOW PROFILE PACKAGE
PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY
94V-0
IDEAL FOR SURFACE MOUNTED APPLICATION
GLASS PASSIVATED CHIP JUNCTION
BUILT-IN STRAIN RELIEF DESIGN
ULTRA FAST RECOVERY TIME FOR HIGH EFFICIENT
HIGH TEMPERATURE SOLDERING 250°C/10 SECONDS AT
TERMINALS
MECHANICAL DATA
CASE: JEDEC DO-214AB MOLDED PLASTIC BODY,
DO-214AB (SMC), DIMENSIONS IN INCHES AND (MILLIMETERS)
TERMINAL: SOLDER PLATED, SOLDERABLE PER MIL-STD-
750 METHOD 2026
POLARITY: COLOR BAND DENOTES CATHODE
WEIGHT: 0.21GRAMS
CATHODE
.126(3.20)
.114(2.90)
.320(8.13)
.305(7.75)
.280(7.11)
.260(6.60)
.103(2.62)
.079(2.06)
.245(6.22)
.220(5.59)
.060(1.52)
.030(0.76)
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 T
L
=75°C
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD
TYPICAL JUNCTION CAPACITANCE (NOTE 1)
TYPICAL THERMAL RESISTANCE (NOTE 2)
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
R
θjL
T
STG
T
OP
US3A
50
35
50
US3B
100
70
100
US3D
200
140
200
US3G
400
280
400
3.0
100
75
15
-55 TO + 150
-55 TO + 150
US3J
600
420
600
US3K
800
560
800
US3M
1000
700
1000
UNITS
V
V
V
A
A
PF
℃/W
℃
℃
ELECTRICAL CHARACTERISTICS (A
T
T
A
=25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS
SYMBOL
US3A
US3B
US3D
US3G
US3J
US3K
US3M UNITS
1.85
V
μA
μA
nS
MAXIMUM FORWARD VOLTAGE AT I
O
DC
V
F
1.0
1.3
1.7
MAXIMUM DC REVERSE CURRENT AT TA=25°C
I
R
10
MAXIMUM DC REVERSE CURRENT AT TA=125°C
I
R
250
MAXIMUM REVERSE RECOVERY TIME (NOTE 3)
T
RR
50
75
MARKING
US3A US3B US3D US3G US3J US3K
NOTES: 1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS
2. THERMAL RESISTANCE FROM JUNCTION TO AMBIENT AND JUNCTION TO LEAD P.C.B. MOUNTED ON
0.3 x 0.3”(8.0 x 8.0mm) COPPER PAD AREAS
3. REVERSE RECOVERY TEST CONDITIONS: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
US3M
US3A THRU US3M
Page: 1
RATINGS AND CHARACTERISTIC CURVE US3A THRU US3M
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)
AVERAGE FORWARD
CURRENT (A)
+0.5A
3.0
2.0
1.0
P.C.B MOUNTED ON
0.3×0.3”(8.0×8.0mm)
COPPER PAD AREAS
SINGLE PHASE
HALF WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
0
-0.25A
(-)
(+)
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
-1.0A
1cm
0
0 20 40 60 80 100 120 140 160 180 200
LEAD TEMPERATURE (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)
100
10
US3A~US3D
US3G
10
T
J
=125
o
C
T
J
=80
o
C
T
J
=25
o
C
1.0
1.0
0.1
US3J~US3M
.01
.1
.01
0
20
40
60
80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
.001
.2 .4
.6
.8 1.0 1.2 1.4 1.6 1.8 2.0
INSTANTANEOUS FORWARD VOLTAGE (V)
PEAK FORWARD SURGE CURRENT (A)
FIG. 5-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
FIG. 6-TYPICAL JUNCTION CAPACITANCE
200
JUNCTION CAPACITANCE (pF)
100
80
60
40
20
0
0
10
NUMBER OF CYCLES AT 60H
Z
100
8.3 ms Single Half Sine Wave
(JEDEC Method)
100
40
20
10
6
4
2
1
.1 .2
.4
1.0
2
4
T
J
=25
o
C
10 20 40
100
REVERSE VOLTAGE (V)
US3A THRU US3M
Page: 2
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