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CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 40 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
SBM5820PT THRU SBM5822PT
SMB
0.155 (3.94) 0.130 (3.30)
(1) (2)
0.083 (2.11) 0.077 (1.96)
MECHANICAL DATA
Case: JEDEC SMB molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.003 ounce 0.093 gram
0.190 (4.75) 0.160 (4.06) 0.012 (0.305) 0.006 (0.152) 0.096 (2.44) 0.084 (2.13) 0.060 (1.52) 0.030 (0.76) 0.008 (0.203)(max) 0.220 (5.59) 0.205 (5.21)
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%.
Dimensions in inches and (millimeters)
SMB
SBM5822PT 40 28 40 UNITS Volts Volts Volts Amps
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 = 95oC Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) TL = 75oC Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Storage and Operating Temperature Range IFSM 80 Amps SYMBOL VRRM VRMS VDC IO SBM5820PT 20 14 20 SBM5821PT 30 21 30 3.0
CJ R
JA
250 28 -65 to +125
o
pF C/W
o
TJ, TSTG
C
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0 A DC Maximum Instantaneous Forward Voltage at 9.4 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage (Note 3) @ TA = 25oC IR @ TA = 100oC 20 mAmps 2001-6 SYMBOL VF VF SBM5820PT 0.475 0.850 SBM5821PT 0.500 0.900 2.0 SBM5822PT 0.525 0.950 UNITS Volts Volts mAmps
NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 2. Thermal Resistance ( Junction to Ambient ) : P.C.B. mounted 0.31 x 0.31" ( 8 x 8mm) copper pad areas 3. Measured at Pulse Width 300 us, Duty Cycle 2%.
RATING CHARACTERISTIC CURVES ( SBM5820 THRU SBM5822 )
INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 4 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARCTERISTICS 20
SBM5820
10
3
2
Single Half Wave 60HZ Resistive or Inductive Load
SBM5821
SBM5822
1.0
1
TJ =125oC Pulse Width = 300us 1% Duty Cycle
0
0
20
40
60
80
100
120
140
0.1
0
.1
.2
.3
.4
.5
.6
.7
.8
.9
1.0
LEAD TEMPERATURE, ( oC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 10 INSTANTANEOUS REVERSE CURRENT, (mA)
INSTANTANEOUS FORWARD VOLTAGE, (V) FIG. 4 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
80 PEAK FORWARD SURGE CURRENT, (A) 70 60 50
1.0
TJ = 100 C
o
8.3 ms Single Half Sine-Wave (JEDEC Method)
TJ = 75oC
.10
40 30
TJ = 25oC
.01
20
.001 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
10 1 2 5 10 20 50 100 NUMBER OF CYCLES AT 60HZ
FIG. 5 - TYPICAL JUNCTION CAPACITANCE 1000 JUNCTION CAPACITANCE, (pF) 600 400
TJ = 25oC
200 100 60
20 10 .1 .4 1.0 4 10 REVERSE VOLTAGE, (V) 40

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