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CHENMKO ENTERPRISE CO.,LTD
SCHOTTKY BARRIER RECTIFIER
VOLTAGE RANGE 20 - 60 Volts
FEATURES
* Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Low switching noise * Low forward voltage drop * High current capability * High switching capability * High reliability * High surge capability * High temperature soldering guaranteed : 260oC/10 seconds , 0.375" (9.5mm) lead length, 5lbs. (2.3kg) tension
.787 (20.0) MIN.
SR020PT THRU SR060PT
CURRENT 1.0 Ampere
R-1
.025 (0.65) DIA. .021 (0.55)
MECHANICAL DATA
Case: JEDEC R-1 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.19 gram
.126 (3.2) .106 (2.7)
.102 (2.6) DIA. .091 (2.3)
.787 (20.0) MIN.
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)
R-1
SR060PT 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 0.375" (9.5mm) lead length (SEE FIG.1) Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Operating Temperature Range Storage Temperature Range
o
SYMBOL VRRM VRMS VDC IO IFSM CJ R
JA
SR020PT 20 14 20
SR030PT 30 21 30
SR040PT 40 28 40 1.0 30 110 80
SR050PT 50 35 50
C/W
o o
TJ TSTG
-65 to +125 -65 to +150
-65 to +150
C C
ELECTRICAL CHARACTERISTICS ( At TA = 25 C unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 1.0 A DC Maximum Average Reverse Current at Rated DC Blocking Voltage @ TA = 25 C IR @ TA = 100oC 10 mAmps 2001-6
o
SYMBOL VF
SR020PT
SR030PT 0.55
SR040PT
SR050PT
SR060PT
UNITS Volts mAmps
0.70 1.0
NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 2. Thermal Resistance ( Junction to Ambient ) : Vertical PC Board Mounting, 0.5" (12.7mm) Lead Length.
RATING CHARACTERISTIC CURVES ( SR020PT THRU SR060PT )
INSTANTANEOUS FORWARD CURRENT, ( A ) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE AVERAGE FORWARD CURRENT, (A) 1.0 FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10
SR020PT~SR040PT
.75
SR
SR 020
0 50
.50
SR PT~
1.0
SR050PT~SR060PT
PT~ SR 040
060
.25
Single Half Wave 60HZ Resistive or Inductive Load
PT
PT
0 0 25 50 75 100 125
o
150
175
0.1
TJ =25oC Pulse Width=300us 1% Duty Cycle
.1
.3
.5
.7
.9
1.1
1.3
1.5
1.7
1.9
2.1
LEAD TEMPERATURE, ( C ) FIG. 3A - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS REVERSE CURRENT, (mA)
INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 3B - TYPICAL REVERSE CHARACTERISTICS 100
10
TJ = 125oC
INSTANTANEOUS REVERSE CURRENT, (mA)
SR020PT~SR040PT
SR050PT~SR060PT
10
1.0
TJ = 75oC
1.0
TJ = 150oC
TJ = 125oC
.10
.10
TJ = 75oC
.01
TJ = 25oC
.01
TJ = 25oC
.001
0
20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) FIG. 4 - TYPICAL JUNCTION CAPACITANCE
.001
0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % ) FIG. 5 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT
400 JUNCTION CAPACITANCE, ( pF ) 200 100 80 60 40 20 10 .1 .4 1.0 4 10 40 80 REVERSE VOLTAGE, ( V )
PEAK FORWARD SURGE CURRETN(A)
50 40
8.3ms Single Half Sine-Wave (JEDEC Method)
TJ = 25oC
30 20 10 0 1 2 4 6 8 10 20 40 80 100 NUMBER OF CYCLES AT 60 Hz

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