OUTLINE DRAWING
Maximum Ratings
Approx Net Weight:1.18g
Rating
Symbol 31DQ03L Unit
Repetitive Peak Reverse Voltage
V
RRM
30
V
Without Fin or
P.C.Board
1.9 Ta=25
C
Average Rectified
Output Current
With Fin *1
I
O
3.0 Ta=53
C
Half Sine Wave Resistive Load A
RMS Forward Current
I
F(RMS)
4.71 A
Surge Forward Current
I
FSM
120 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
- - 3 mA
Peak Forward Voltage
V
FM
Tj= 25
C, I
FM
= 3 A
- - 0.45 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
DQ03L
Q03L
Q03L
Q03L
FEATURES
* Extremely 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
31DQ03L
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
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
0.4
0.8
1.2
1.6
AVERAGE FORWARD POWER DISSIPATION (W)
31DQ03L
0
180
CONDUCTION ANGLE
HALF SINE WAVE
D.C.
RECT 180
RECT 120
RECT 60
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
31DQ03L
Tj= 150 C
0
5
10
15
20
25
30
35
PEAK REVERSE VOLTAGE (V)
20
50
100
200
500
PEAK REVERSE CURRENT (mA)
AVERAGE REVERSE POWER DISSIPATION
31DQ03L
0
5
10
15
20
25
30
35
REVERSE VOLTAGE (V)
0
1
2
3
4
5
6
7
8
AVERAGE REVERSE POWER DISSIPATION (W)
D.C.
RECT 300
RECT 240
RECT 180
HALF SINE WAVE
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
31DQ03L
W ith o u t F in o r P .C . B o a r d ,V
R M
= 3 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.
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
31DQ03L
W ith C u Fin 2 (2 0 2 0 1 t,L =5 m m ,B o th S id e s) ,V
R M
= 3 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.
PDF 
ZIP