SF51 - SF59
SUPER FAST RECTIFIER DIODES
PRV : 50 - 1000 Volts
Io : 5.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Super fast recovery time
MECHANICAL DATA :
* Case : DO-201AD Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 1.21 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 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%.
SYMBOL SF51 SF52 SF53 SF54 SF55 SF56 SF57 SF58 SF59 UNITS
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 150 200 300 400 600 800 1000 Volts
Maximum RMS Voltage VRMS 35 70 105 140 210 280 420 560 700 Volts
Maximum DC Blocking Voltage VDC 50 100 150 200 300 400 600 800 1000 Volts
Maximum Average Forward Current
0.375"(9.5mm) Lead Length Ta = 55 °CIF(AV) 5.0 Amps.
Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method) IFSM 135 Amps.
Maximum Peak Forward Voltage at IF = 5.0 A. VF0.95 1.4 1.7 Volts
Maximum DC Reverse Current Ta = 25 °CIR5µA
at Rated DC Blocking Voltage Ta = 100 °CIR(H) 50 µA
Maximum Reverse Recovery Time ( Note 1 ) Trr 35 ns
Typical Junction Capacitance ( Note 2 ) CJ50 pf
Junction Temperature Range TJ - 65 to + 150 °C
Storage Temperature Range TSTG - 65 to + 150 °C
Notes :
( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR
= 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
UPDATE : APRIL 23, 1998
RATING
DO-201AD
0.21 (5.33)
0.19 (4.82)
0.375 (9.52)
0.285 (7.24)
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
RATING AND CHARACTERISTIC CURVES ( SF51 - SF59 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
+
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.2 - DERATING CURVE FOR OUTPUT FIG.3 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75
100
125
150
175 1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS FIG.5 - TYPICAL REVERSE CHARACTERISTICS
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
SF57 - SF59
60Hz RESISTIVE OR INDUCTIVE LOAD
4.0
3.0
2.0
1.0
5.0
100
10
1.0
120
0
150
0
90
60
30
0.1
10
80
0.01
0.01
1.0 0.1
100 140
0
20
40
60
120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FORWARD CURRENT, AMPERES
REVERSE CURRENT, MICROAMPERES
TJ = 25 °C
TJ = 100 °C
TJ = 25 °C
Pulse Width = 300 µs
2% Duty Cycle
8.3 ms SINGLE HALF SINE
Ta = 50 °C
+ 0.5 A
0
- 0.25
- 1.0 A
Trr
1 cm
SET TIME BASE FOR 15 ns/cm
SF51 - SF54 SF55 - SF56
D.U.T.
50 Vdc
(approx.)
OSCILLOSCOPE
( NOTE 1 )
1 Ω
50 Ω10 Ω
PULSE
GENERATOR
( NOTE 2 )
