BILIN 31DF3

BL
GALAXY ELECTRICAL
31DF3 --- 31DF4
VOLTAGE RANGE: 300 --- 400 V
CURRENT: 1.5 A
SUPER FAST RECTIFIERS
FEATURES
DO - 27
Low cost
Diffused junction
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with alcohol,Isopropanol and
sim ilar solvents
MECHANICAL DATA
Case:JEDEC DO--27,m olded plastic
Terminals: Axial lead ,solderable per
MIL-STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.041ounces,1.15 gram s
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
am bient tem perature unless otherwise specified.
Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%.
31DF3
31DF4
UNITS
Maximum recurrent peak reverse voltage
V RRM
300
400
V
Maximum RMS voltage
VRMS
210
280
V
Maximum DC blocking voltage
V DC
300
400
V
Maximum average forw ard rectified current
9.5mm lead length,
@TA =75
IF(AV)
1.5
A
IFSM
125.0
A
VF
1.25
V
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@TJ =125
Maximum instantaneous forw ard voltage
@ IF=3A
Maximum reverse current
at rated DC blocking voltage
@TA =25
@TA =100
5.0
IR
50.0
A
Maximum reverse recovery time
(Note1)
t rr
30
ns
Typical junction capacitance
(Note2)
CJ
90
pF
Typical thermal resistance
(Note3)
RθJA
34
TJ
- 55 ----- + 150
TSTG
- 55 ----- + 150
Operating junction temperature range
Storage temperature range
/W
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NOTE: 1. Measured with I F =0.5A, I R=1A, I rr=0.25A.
2. Measured at 1.0MH Z and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
Document Number 0264017
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
31DF3 --- 31DF4
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
N 1.
10
N 1.
t rr
+ 0 .5A
D.U.T.
PULSE
GENERATOR
(NOTE2)
(+)
25VDC
(approx)
(-)
0
-0.25 A
OSCILLOSCOPE
(NOTE 1)
1
NONINDUCTIVE
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE =1M . 22pF. JJJJ
2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIMEBASEFOR10 ns/cm
10
4
2
1
0.4
0.2
0.1
0.04
TJ=25
Pulse Width=300µs
0.02
0.01
0.6
0.8
1.0
1.2
1.4
1.6
FIG.3 -- FORWARD DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
INSTANTANEOUS FORWARD CURRENT
AMPERES
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
1.8
2.0
1.5
1.0
Single Phase
Half Wave 60HZ
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
0.5
0
0
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
200
100
60
40
TJ=25
f=1.0MHz
20
10
0.1 0.2
0.4
1
2
4
10
20
40
REVERSE VOLTAGE, VOLTS
100
75
100
125
150
FIG.5-- PEAK FORWORD SURGE CURRENT
PEAKFORWORDSURGECURRENT
AMPERES
JUNCTION CAPACITANCE, pF
600
400
50
AMBIENT TEMPERATURE,
FIG.4-- TYPICAL JUNCTION CAPACITANCE
1000
25
150
125
100
75
50
8.3ms Single Half
Sine - Wave
25
0
1
5
10
50
100
NUMBER OF CYCLES AT 60HZ
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Document Number 0264017
BLGALAXY ELECTRICAL
2.