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CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 40 Volts CURRENT 8.0 Amperes
PROVISIONAL SPEC.
SPL840LAPT
APPLICATION
* DC to DC Converters * Switch- Mode Power Supplies * Notbook PC
FEATURE
* Sm al l S u r f ac e M o u n t i n g T y p e. (SMP) * Low Power Loss, High Efficiency . * Low Reverse Current *. Peak F o r w ar d S u r g e C u r ren t I s 80A . * Schottky Diode Ar ray .
0.081 (2.05) 0.077 (1.95) (3) 0.170 (4.31) 0.163 (4.15)
SMP
WEIGHT
0.077 (1.95) 0.073 (1.85)
(1)
(2) 0.019 (0.50 Min.) 0.045 (1.16) 0.042 (1.07)
MARKING
0.005 (0.15 Min.) 0.019 (0.50 Min.) 0.264 (6.70) 0.254 (6.46) 0.212 (5.38) 0.208 (5.29)
CIRCUIT
2
1
0.055 (1.40) 0.051 (1.30)
3
Dimensions in inches and (millimeters)
SMP
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
SPL840LAPT 40 28 40 8.0 80 210 15 -65 to +125 -65 to +150
C/W
o o
TJ TSTG
C C
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 8.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25oC IR @ TA = 100 C
o
SYMBOL VF
SPL840LAPT 0.385 1.0 20
UNITS Volts mAmps mAmps 2004-8
NOTES : 1. P.C.B. mounted 0.31 x 0.31" ( 8 x 8mm) copper pad areas 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts
RATING CHARACTERISTIC CURVES ( SPL840LAPT )
INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 10 8 6 4
Single Half Wave 60HZ Resistive or Inductive Load
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10
1.0
2 0 0
0.1
TJ =25oC Pulse Width=300us 1% Duty Cycle
25
50
75
100
125
150
0
.1
.2
.3
.4
.5
.6
.7
.8
.9
1.0
CASE TEMPERATURE, ( oC ) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 90 80
8.3ms Single Half Sine-Wave (JEDEC Method)
INSTANTANEOUS REVERSE CURRENT, (mA)
20 10 5 2 1 .5 .2 .10 .05 .02 0 5 10 15 20 25 INSTANTANEOUS REVERSE VOLTAGE, (V) 30
o C TJ = 125
PEAK FORWARD SURGE CURRETN(A)
50
60
40
o C TJ = 100
20
o C TJ = 25
0 1 2 4 6 8 10 20 40 80 100 NUMBER OF CYCLES AT 60 Hz

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