OUTLINE DRAWING
Maximum Ratings Approx Net Weight:1.18g
Rating Symbol 31DQ09 Unit
Repetitive Peak Reverse Voltage VRRM 90 V
Without Fin or
P.C.Board 1.7 Ta=33°C
Average Rectified
Output Current With Fin *1 IO 3.0 Ta=62°C Half Sine Wave Resistive Load A
RMS Forward Current IF(RMS) 4.71 A
Surge Forward Current IFSM 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 IRM Tj= 25°C, VRM= VRRM - - 1 mA
Peak Forward Voltage VFM Tj= 25°C, IFM= 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
3131
31D
DD
DQ09
Q09Q09
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
00.2 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=25°C
Tj=150°C
AVERAGE FORWARD POWER DISSIPATION
012345
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°
θ
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
Without Fin or P.C. Board,VRM=90V
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°
θ
CONDUCTION ANGLE
HALF SINE WAVE.
D.C.
RECT 180°.
RECT 120°.
RECT 60°.
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
31DQ09
With Cu Fin(20×20×1t,L=5mm,Both Side s),VRM=90V
0 25 50 75 100 125 150
AMBIENT TEMPERATURE (°C)
0
1
2
3
4
5
AVERAGE FORWARD CURRENT (A)
0° 180°
θ
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
IFSM
JUNCTION CAPACITANCE VS. REVERSE VOLTAGE
31DQ09
Tj=25°C,Vm=20mVRMS,f=100kHz,Typical Value
0.5 1 2 5 10 20 50 100
REVERSE VOLTAGE (V)
20
50
100
200
500
JUNCTION CAPACITANCE (pF)
