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CHENMKO ENTERPRISE CO.,LTD
GLASS PASSIVATED
SUPER FAST RECTIFIER VOLTAGE RANGE 50 - 1000 Volts CURRENT 3.0 Amperes
FEATURES
* Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * High reliability * Low leakage * Low forward voltage * High current capability * Super fast switching speed * High surge capability * Good for switching mode circuit
SF31PT THRU SF38PT
DO-201AD
0.052(1.3) DIA. 0.048(1.2) 1.0(25.4) MIN.
MECHANICAL DATA
Case: JEDEC DO-201AD molded plastic Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 1.18 grams
0.375(9.5) 0.335(8.5) 0.220(5.6) DIA. 0.197(5.0) 1.0(25.4) MIN.
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%.
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Dimensions in inches and (millimeters)
DO-201AD
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 Current at TA = 55oC Peak Forward Surge Current 8.3 ms single half sine-wave IFSM superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 1) Operating and Storage Temperature Range CJ TJ, TSTG 50 -65 to +150 30 pF
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SYMBOL VRRM VRMS VDC IO
SF31PT SF32PT SF33PT SF34PT SF35PT SF36PT SF37PT SF38PT
50 35 50
100 70 100
200 140 200
300 210 300 3.0
400 280 400
600 420 600
800 560 800
1000 700 1000
125
Amps
C
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Maximum Instantaneous Forward Voltage at 3.0 A DC Maximum DC Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time (Note 2) NOTES : 1. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 2. Test Conditions : IF = 0.5 A, IR = -1.0 A, IRR = -0.25 A TA = 25oC TA = 125oC IR 50 trr 35 45 uAmps nSec 2001-6 SYMBOL VF
SF31PT SF32PT SF33PT SF34PT SF35PT SF36PT SF37PT SF38PT
UNITS Volts uAmps
0.95 5.0
1.27
1.75
RATING CHARACTERISTIC CURVES ( SF31PT THRU SF38PT )
50 NONINDUCTIVE
10 NONINDUCTIVE
trr +0.5A (-) 0 PULSE GENERATOR (NOTE 2) -0.25A
AVERAGE FORWARD CURRENT, ( A )
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE
3.0 2.5 2.0 1.5 1.0 0.5 0 0
Single Phase Half Wave 60Hz Resistive or Inductive Load
(+) 25 Vdc (approx) (-)
D.U.T
1 NONINDUCTIVE
OSCILLOSCOPE (NOTE 1)
(+) -1.0A
NOTES: 1. Rise Time = 7 ns max. Input Impedance = 1 megohm. 22 pF. 2. Rise Time = 10 ns max. Source Impedlance= 50 ohms.
1cm SET TIME BASE FOR 10 nS/cm
25 50 75 100 125 150 175
AMBIENT TEMPERATURE ( OC )
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 INSTANTANEOUS FORWARD CURRENT, ( A ) INSTANTANEOUS REVERSE CURRENT, (uA) 10
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
PT
~SF
PT
10
1.0
TJ =100oC
1.0
0.1
SF 31
.1
TJ =25oC
.01
.01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, ( % )
.001 0 .2 .4 .6 .8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, ( V ) 1.8
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT PEAK FORWARD SURGE CURRENT, ( A ) 175 JUNCTION CAPACITANCE, ( pF ) 150 125 100 75 50 25 0 1 2 5 10 20 NUMBER OF CYCLES AT 60 Hz 50 100
8.3ms Single Half Sine-Wave (JEDEC Method)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE 200 100 60 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 REVERSE VOLTAGE, ( V ) 40 100
TJ =25oC
SF31P T ~SF35 PT SF36P T~SF3 8PT
SF 35
PT
TJ =125oC
Pulse Width = 300uS 1% Duty Cycle
36 SF
~ PT
38 SF
34P
TJ =25oC
T

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