DIODES SF23

SF21 - SF29
SUPER FAST RECTIFIER DIODES
D2
PRV : 50 - 1000 Volts
Io : 2.0 Amperes
FEATURES :
*
*
*
*
*
*
1.00 (25.4)
MIN.
0.161 (4.1)
0.154 (3.9)
High current capability
High surge current capability
High reliability
Low reverse current
Low forward voltage drop
Super fast recovery time
0.284 (7.2)
0.268 (6.8)
1.00 (25.4)
MIN.
0.034 (0.86)
0.028 (0.71)
MECHANICAL DATA :
* Case : D2 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 : 0.465 gram
Dimensions in inches and ( millimeters )
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%.
RATING
SYMBOL SF21 SF22 SF23 SF24 SF25 SF26 SF27 SF28 SF29 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 °C
IF(AV)
2.0
Amps.
IFSM
75
Amps.
Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Peak Forward Voltage at IF = 2.0 A.
Maximum DC Reverse Current
at Rated DC Blocking Voltage
VF
IR
1.7
0.95
5.0
2.2
Volts
20
µA
Maximum Reverse Recovery Time ( Note 1 )
Trr
35
ns
Typical Junction Capacitance ( Note 2 )
CJ
50
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 : MARCH 8, 2002
RATING AND CHARACTERISTIC CURVES ( SF21 - SF29 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 Ω
10 Ω
Trr
+ 0.5 A
0
D.U.T.
+
PULSE
GENERATOR
( NOTE 2 )
50 Vdc
(approx)
1Ω
- 0.25 A
OSCILLOSCOPE
( NOTE 1 )
- 1.0 A
SET TIME BASE FOR 15 ns/cm
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
1 cm
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
75
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
2.5
2.0
1.5
1.0
0.5
8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C
60
45
30
15
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0
25
50
75
100
125
150
0
175
1
2
AMBIENT TEMPERATURE, ( °C)
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
6
10
20
40
60 100
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
100
TJ = 100 °C
REVERSE CURRENT,
MICROAMPERES
FORWARD CURRENT, AMPERES
4
NUMBER OF CYCLES AT 60Hz
SF21 - SF24
10
SF28 - SF29
1.0
SF25 - SF27
10
0.1
0.1
Pulse Width = 300 µs
2% Duty Cycle
0.01
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
FORWARD VOLTAGE, VOLTS
0
20
40
60
80
100
120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
TJ = 25 °C
0
TJ = 25 °C
1
3.6
4.0
140