Document
SF31 THRU SF35
Elektronische Bauelemente
VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers
RoHS Compliant Product A suffix of "-C" specifies halogen-free
DO-27
FEATURES
* Low forward voltage drop * High current capability * High reliability * High surge current capability * Good for switching mode application
MECHANICAL DATA
* Case: Molded plastic * Epoxy: UL 94V-0 rate flame retardant * Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed * Polarity: Color band denotes cathode end * Mounting position: Any * Weight: 1.10 grams
.220(5.6)
.197(5.0) DIA.
1.0(25.4) MIN.
.375(9.5) .285(7.2)
.052(1.3) .048(1.2)
DIA.
1.0(25.4) MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature unless otherwies specified. Single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at Ta=55 C
Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current at Rated DC Blocking Voltage
Ta=25 C Ta=100 C
Maximum Reverse Recovery Time (Note 1) Typical Junction Capacitance (Note 2) Operating and Storage Temperature Range TJ, TSTG
SF31
50 35 50
NOTES:
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A 2. Measured at 1MHz and applied reverse voltage of 4.0V D.C
SF32
100 70 100
SF33
200 105 200
3.0
SF34
400 140 400
SF35
600 210 600
UNITS
V V V
A
75
0.95 5.0 50
35 50
-65 ~ +150
50 1.30 1.70
50
A
V A A nS pF C
http://www.SeCoSGmbH.com
01-Jun-2007 Rev. C
Any changing of specification will not be informed individual
Page 1 of 2
Elektronische Bauelemente
SF31 THRU SF35
VOLTAGE 50V ~ 600V 3.0AMP Super Fast Rectifiers
RATING AND CHARACTERISTIC CURVES (SF31 THRU SF35)
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50W NONINDUCTIVE
10W NONINDUCTIVE
+0.5A
(+)
25Vdc (approx.)
()
D.U.T.
1W NONINDUCTIVE
OSCILLISCOPE (NOTE 1)
()
PULSE GENERATOR
(NOTE 2)
(+)
0 -0.25A
trr
| | | | | | | |
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF. 2. Rise Time= 10ns max., Source Impedance= 50 ohms.
-1.0A
1cm SET TIME BASE FOR
50 / 10ns / cm
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
3.0 2.5 2.0 1.5 1.0 0.5
0 0
Single Phase Half Wave 60Hz Resistive Or Inductive Load 0.375"(9.5mm) Lead Length
25 50 75 100 125 150 AMBIENT TEMPERATURE,( C)
175
FIG.3-TYPICAL FORWARD CHARACTERISTICS
FIG.4-TYPICAL REVERSE CHARACTERISTICS
50 50
10 3.0 1.0
0.1
Tj=25 C
Pulse Width 300us 1% Duty Cycle
10 3.0 1.0
0.1
Tj=100 C Tj=25 C
REVERSE LEAKAGE CURRENT, ( A)
INSTANTANEOUS FORWARD CURRENT,(A)
SF35SF31~SF34
PEAK FORWARD SURGE CURRENT,(A)
.01 .4
.6 .8 1.0 1.2 1.4 1.6 1.8
FORWARD VOLTAGE,(V)
FIG.5-MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
75
50
T j=25 C
8.3ms Single Half
Sine Wave
25 JEDEC method
0
1
5 10
50 100
NUMBE R OF C YC LE S AT 60Hz
JUNCTION CAPACITANCE,(pF)
.01 0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
175
150 125 100
75 50 25
0 .01
FIG.6-TYPICAL JUNCTION CAPACITANCE
.05 .1
.5 1
5
REVERSE VOLTAGE,(V)
10
50 100
http://www.SeCoSGmbH.com
01-Jun-2007 Rev. C
Any changing of specification will not be informed individual
Page 2 of 2
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