OUTLINE DRAWING
Maximum Ratings
Approx Net Weight:1.18g
Rating
Symbol 31DQ09 Unit
Repetitive Peak Reverse Voltage
V
RRM
90
V
Without Fin or
P.C.Board
1.7 Ta=33
C
Average Rectified
Output Current
With Fin *1
I
O
3.0 Ta=62
C
Half Sine Wave Resistive Load A
RMS Forward Current
I
F(RMS)
4.71 A
Surge Forward Current
I
FSM
100 Half Sine Wave,1cycle,Non-repetitive
A
Operating JunctionTemperature Range
Tjw
- 40 to + 150
C
Storage Temperature Range
Tstg
- 40 to + 150
C
Electrical
Thermal Characteristics
Characteristics
Symbol
Conditions Min
Typ
Max
Unit
Peak Reverse Current
I
RM
Tj= 25
C, V
RM
= V
RRM
- - 1 mA
Peak Forward Voltage
V
FM
Tj= 25
C, I
FM
= 3 A
- - 0.85 V
Without Fin or P.C.Board
80
Thermal Resistance(Junction to Ambient) Rth(j-a)
With Fin *1
- -
34
C/W
*1 :20x20x1t(mm) Copper plates, L=5mm, Both Sides
SBD
Type :
Type :
Type :
Type :
31
31
31
31D
D
D
DQ09
Q09
Q09
Q09
FEATURES
* Low Forward Voltage Drop
* Low Power Loss, High Efficiency
* High Surge Capability
* 30volts trough 100volts Types Available
31DQ_ OUTLINE DRAWING (Dimensions in mm)
FORWARD CURRENT VS. VOLTAGE
31DQ09
0
0.2
0.4
0.6
0.8
1.0
1.2
INSTANTANEOUS FORWARD VOLTAGE (V)
0.2
0.5
1
2
5
10
20
INSTANTANEOUS FORWARD CURRENT (A)
Tj=25C
Tj=150C
AVERAGE FORWARD POWER DISSIPATION
0
1
2
3
4
5
AVERAGE FORWARD CURRENT (A)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
AVERAGE FORWARD POWER DISSIPATION (W)
31DQ09
0
180
CONDUCTION ANGLE
HALF SINE WAVE
D.C.
RECT 180
RECT 120
RECT 60
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
31DQ09
Tj= 150 C
0
20
40
60
80
100
PEAK REVERSE VOLTAGE (V)
2
5
10
20
PEAK REVERSE CURRENT (mA)
AVERAGE REVERSE POWER DISSIPATION
31DQ09
0
20
40
60
80
100
REVERSE VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1.0
AVERAGE REVERSE POWER DISSIPATION (W)
D.C.
RECT 300
RECT 240
RECT 180
HALF SINE WAVE
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
31DQ09
W ith o u t F in o r P .C . B o a r d ,V
R M
= 9 0 V
0
25
50
75
100
125
150
AMBIENT TEMPERATURE (C)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
AVERAGE FORWARD CURRENT (A)
0
180
CONDUCTION ANGLE
HALF SINE WAVE.
D.C.
RECT 180.
RECT 120.
RECT 60.
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
31DQ09
W ith C u F in ( 2 0 2 0 1 t,L = 5 m m ,B o th S id e s),V
R M
=9 0 V
0
25
50
75
100
125
150
AMBIENT TEMPERATURE (C)
0
1
2
3
4
5
AVERAGE FORWARD CURRENT (A)
0
180
CONDUCTION ANGLE
HALF SINE WAVE
D.C.
RECT 180
RECT 120.
RECT 60.
SURGE CURRENT RATINGS
31DQ09
f=50Hz,Half Sine Wave,Non-Repetitive,No Load
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)
0
20
40
60
80
100
120
SURGE FORWARD CURRENT (A)
0.02s
I FSM
JUNCTION CAPACITANCE VS. REVERSE VOLTAGE
31DQ09
T j= 2 5 C ,V m = 2 0 m V
R M S
,f= 1 0 0 k H z ,T yp ica l V a lu e
0.5
1
2
5
10
20
50
100
REVERSE VOLTAGE (V)
20
50
100
200
500
JUNCTION CAPACITANCE (pF)
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