SF31 - SF39
SUPER FAST RECTIFIER DIODES
PRV : 50 - 1000 Volts
Io : 3.0 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 SF31 SF32 SF33 SF34 SF35 SF36 SF37 SF38 SF39 UNITS
Maximum Recurrent Peak Reverse Voltage
V
RRM
50
100
150
200
300
400
600
800
1000 Volts
Maximum RMS Voltage
V
RMS
35
70
105
140
210
280
420
560
700
Volts
Maximum DC Blocking Voltage
V
DC
50
100
150
200
300
400
600
800
1000 Volts
Maximum Average Forward Current
0.375"(9.5mm) Lead Length Ta = 55
C
I
F(AV)
3.0
Amps.
Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
I
FSM
125
Amps.
Maximum Peak Forward Voltage at I
F
= 3.0 A.
V
F
0.95
1.4
1.7
Volts
Maximum DC Reverse Current Ta = 25
C
I
R
5
A
at Rated DC Blocking Voltage Ta = 100
C
I
R(H)
50
A
Maximum Reverse Recovery Time ( Note 1 )
Trr
35
ns
Typical Junction Capacitance ( Note 2 )
C
J
50
pf
Junction Temperature Range
T
J
- 65 to + 150
C
Storage Temperature Range
T
STG
- 65 to + 150
C
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
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 ( SF31 - SF39 )
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
60Hz RESISTIVE OR INDUCTIVE LOAD
2.4
1.8
1.2
0.6
3.0
100
10
1.0
100
0
125
0
75
50
25
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
T
J
= 25
C
T
J
= 100
C
T
J
= 25
C
Pulse Width = 300
s
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
SF31 - SF34
SF35 - SF36
SF37 - SF39
50 Vdc
(approx)
D.U.T.
OSCILLOSCOPE
( NOTE 1 )
1
50
10
PULSE
GENERATOR
( NOTE 2 )
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