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CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 70 - 100 Volts CURRENT 3.0 Amperes
FEATURES
* Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * For surface mounted applications * Low profile package * Built-in strain relief * Metal silicon junction, majority carrier conduction * Low power loss, high efficiency * High current capability, low forward voltage drop * High surge capability * For use in low voltage high frequency inverters, free wheeling, and polarity protection applications * High temperature soldering guaranteed : 260oC/10 seconds at terminals
SCM37PT THRU SCM310PT
SMC
0.245(6.22) 0.220(5.59)
0.125(3.17) 0.115(2.92)
MECHANICAL DATA
Case: JEDEC SMC molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.007 ounce 0.25 gram
(1)
0.280(7.11) 0.260(6.60)
(2)
0.012(0.305) 0.006(0.152) 0.103(2.62) 0.079(2.06) 0.060(1.52) 0.030(0.76) 0.008(0.203)(max)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%.
0.320(8.13) 0.305(7.75)
Dimensions in inches and (millimeters)
SMC
SCM310PT 100 70 100 UNITS Volts Volts Volts Amps Amps pF
o
MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TL (SEE FIG.1)(Note 3) Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 3) Operating and Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ R
JL
SCM37PT 70 49 70
SCM38PT 80 56 80 3.0 100 250 15
SCM39PT 90 63 90
C/W
o
TJ,TSTG
-65 to +150
C
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0 A DC (Note 1) Maximum Average Reverse Current (Note 1) at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C
o
SYMBOL VF
SCM37PT 0.75
SCM38PT
SCM39PT 0.80 0.5 20
SCM310PT
UNITS Volts mAmps mAmps 2002-5
NOTES : 1. Pulse test : 300 us pulse width, 1% duty cycle 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 3. P.C.B. mounted 0.31 x 0.31" ( 8 x 8mm) copper pad areas
RATING CHARACTERISTIC CURVES ( SCM37PT THRU SCM310PT )
INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 3.0 2.5 2.0 1.5 1.0 0.5 0 50 60 70 80 90 100 110 120 130 140 150 160
o
FIG. 2 - INSTANTANEOUS FORWARD CURRENT, (A) 20 10
RESISTIVE OR INDUCTIVE LOAD
M SC CM T~S 37P
P.C.B. MOUNTED on 0.55 x 0.55" (14 x 14mm) COPPER PAD AREAS
SCM37PT~SCM37PT
LEAD TEMPERATURE, ( C ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 50 INSTANTANEOUS REVERSE CURRENT, (mA)
M3 SC T~ 9P M3 SC 10 PT
1.0
SCM39PT~SCM310PT
T 38P
0.1
TJ =25oC Pulse Width=300us 1% Duty Cycle
.2
.3
.4
.5
.6
.7
.8
.9
1.0
1.1
INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 120
20 PEAK FORWARD SURGE CURRETN(A) 10 5 2 1 .5 .2 .10 .05 .02 0 5 10 15 20 25 INSTANTANEOUS REVERSE VOLTAGE, (V) 30
C TJ = 125
o
100
8.3ms Single Half Sine-Wave (JEDEC Method)
80
o C TJ = 100
60
o C TJ = 25
40
20
0 1 2 5 10 20 50 NUMBER OF CYCLES AT 60 Hz 100
FIG. 5 - TYPICAL JUNCTION CAPACITANCE 1000 JUNCTION CAPACITANCE, ( pF )
TJ =25oC
100
10 5 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V )

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