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CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 - 60 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
SBM32PT THRU SBM36PT
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 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%.
o
Dimensions in inches and (millimeters)
SMB
SBM36PT 60 42 60 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 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 1) Operating Temperature Range Storage Temperature Range SYMBOL VRRM VRMS VDC IO IFSM CJ R
JL
SBM32PT 20 14 20
SBM33PT 30 21 30
SBM34PT 40 28 40 3.0 80 250 17
SBM35PT 50 35 50
C/W
o o
TJ TSTG
-65 to +125 -65 to +150
-65 to +150
C C
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C
o
SYMBOL VF
SBM32PT
SBM33PT 0.55
SBM34PT
SBM35PT
SBM36PT
UNITS Volts mAmps mAmps 2002-5
0.75 0.5 30
NOTES : 1. Thermal Resistance ( Junction to Lead ) : PC Board Mounted on 0.31 X 0.31" ( 8 X 8mm ) copper pad area. 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts.
RATING CHARACTERISTIC CURVES ( SBM32PT THRU SBM36PT )
INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 3.0 2.5
SBM
FIG. 2 - INSTANTANEOUS FORWARD CURRENT, (A) 20 10
SBM T~ 35P
2.0 1.5 1.0 0.5 0 0 25 50 75
Single Half Wave 60HZ Resistive or Inductive Load
LEAD TEMPERATURE, ( C ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 50 INSTANTANEOUS REVERSE CURRENT, (mA) 20 10 5 2 1 .5 .2 .10 .05 .02 0 10 20 30 40 50 INSTANTANEOUS REVERSE VOLTAGE, (V) 60
C TJ = 100
o
PEAK FORWARD SURGE CURRETN(A)
JUNCTION CAPACITANCE, ( pF )
32PT
SBM32PT~SBM34PT
SBM
100
~SBM
o C TJ = 125
1.0
SBM35PT~SBM36PT
T 36P
34PT
125
o
150
175
0.1
TJ =25oC Pulse Width=300us 1% Duty Cycle
.2
.3
.4
.5
.6
.7
.8
.9
INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 140
120
8.3ms Single Half Sine-Wave (JEDEC Method)
100
o TJ = 75 C
80
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 500
TJ =25oC
200 100
50
20 10 5 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V )

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