RECTRON SF44

RECTRON
SF44
SEMICONDUCTOR
TECHNICAL SPECIFICATION
GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE 200 Volts CURRENT 4.0 Amperes
FEATURES
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High reliability
Low leakage
Low forward voltage
High current capability
Super fast switching speed
High surge capability
Good for switching mode circuit
DO-201AD
MECHANICAL DATA
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Case: Molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 1.18 grams
1.0 (25.4)
MIN.
.052 (1.3)
DIA.
.048 (1.2)
.375 (9.5)
.335 (8.5)
.220 (5.6)
.197 (5.0)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified.
DIA.
1.0 (25.4)
MIN.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At TA = 25oC unless otherwise noted)
SYMBOL
SF44
UNITS
Maximum Recurrent Peak Reverse Voltage
VRRM
200
Volts
Maximum RMS Volts
VRMS
140
Volts
VDC
200
Volts
IO
4.0
Amps
I FSM
125
Amps
RATINGS
Maximum DC Blocking Voltage
Maximum Average Forward Current
at T A = 55 oC
Peak Forward Surge Current I FM (surge):8.3 ms single half
sine-wave superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
CJ
50
T J , T STG
-55 to + 175
pF
0
C
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted)
CHARACTERISTICS
Maximum Forward Voltage at 4.0A DC
SYMBOL
VF
Maximum DC Reverse Current
@T A = 25 o C
at Rated DC Blocking Voltage
@T A =150 o C
Maximum Reverse Recovery Time (Note 1)
NOTES : 1. Test Conditions: IF=0.5A, IR=-1.0A, IRR=-0.25A.
2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts.
IR
SF44
0.95
UNITS
Volts
5.0
uAmps
50
trr
20
nSec
2005-8
REV:A
RATING AND CHARACTERISTIC CURVES ( SF44 )
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
10
NONINDUCTIVE
AVERAGE FORWARD CURENT, (A)
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
NONINDUCTIVE
trr
+0.5A
(-)
D.U.T
(+)
25 Vdc
(approx)
(-)
0
PULSE
GENERATOR
(NOTE 2)
1
NONINDUCTIVE
OSCILLOSCOPE
(NOTE 1)
-0.25A
(+)
-1.0A
1cm
NOTES:1 Rise Time = 7ns max. Input Impedance =
SET TIME BASE FOR
10 ns/cm
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS REVERSE CURRENT, (uA)
TJ = 150
10
TJ = 100
1.0
TJ = 25
.1
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
5.0
4.0
3.0
2.0
1.0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE (
10
1.0
TJ = 25
.1
Pulse Width = 300uS
1% Duty Cycle
.01
.001
.01
0
20
40
60
80
100
120
0
140
JUNCTION CAPACITANCE, (pF)
150
8.3ms Single Half Sine-Wave
(JEDEC Method)
125
100
75
50
25
0
1
2
5
10
20
50
NUMBER OF CYCLES AT 60Hz
100
.4
.6
.8
1.0
1.2
1.4
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
175
.2
INSTANTANEOUS FORWARD VOLTAGE, (V)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
PEAK FORWARD SURGE CURRENT, (A)
6.0
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
100
7.0
200
100
60
40
20
10
TJ = 25
6
4
2
1
.1
.2
.4
1.0
2
4
10
20 40 100
REVERSE VOLTAGE, ( V )
RECTRON
)