SF51 - SF59
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
SUPER FAST RECTIFIER DIODES
DO-201AD
0.21 (5.33)
0.19 (4.82)
1.00 (25.4)
MIN.
0.375 (9.52)
0.285 (7.24)
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
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
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%.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current
0.375"(9.5mm) Lead Length
Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Peak Forward Voltage at I
F
= 5.0 A.
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Ta = 25
°C
Ta = 100
°C
Ta = 55
°C
SYMBOL SF51 SF52 SF53 SF54 SF55 SF56 SF57 SF58 SF59 UNITS
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
100
70
100
150
105
150
200
140
200
300
210
300
5.0
400
280
400
600
420
600
800
560
800
1000
700
1000
Volts
Volts
Volts
Amps.
I
FSM
V
F
I
R
I
R(H)
Trr
135
0.95
5
50
35
50
- 65 to + 150
- 65 to + 150
1.4
1.7
Amps.
Volts
µA
µA
ns
pf
°C
°C
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Junction Temperature Range
Storage Temperature Range
C
J
T
J
T
STG
Notes :
( 1 ) Reverse Recovery Test Conditions : I
F
= 0.5 A, I
R
= 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
DC
UPDATE : APRIL 23, 1998
RATING AND CHARACTERISTIC CURVES ( SF51 - SF59 )
FIG.1 - REVERSE RECOVERY TIM E CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
Ω
10
Ω
+ 0.5 A
D.U.T.
0
PULSE
GENERATOR
( NOTE 2 )
1
Ω
OSCILLOSCOPE
( NOTE 1 )
- 0.25
Trr
+
50 Vdc
(approx.)
- 1.0 A
SET TIME BASE FOR 15 ns/cm
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.
1 cm
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
5.0
150
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
CURRENT, AMPERES
8.3 ms SINGLE HALF SINE
Ta = 50
°
C
120
4.0
3.0
90
2.0
60
1.0
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0
25
50
75
100
125
150
175
30
0
1
2
4
6
10
20
40
60 100
AMBIENT TEMPERATURE, (
°
C)
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
REVERSE CURRENT, MICROAMPERES
NUMBER OF CYCLES AT 60Hz
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
10
T
J
= 100
°
C
FORWARD CURRENT, AMPERES
Pulse Width = 300
µ
s
2% Duty Cycle
T
J
= 25
°
C
10
1.0
SF55 - SF56
SF51 - SF54
1.0
SF57 - SF59
0.1
T
J
= 25
°
C
0.1
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE, VOLTS
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