3A Avg.
Item
く り 返 し ピ ー ク 逆 電 圧
Repetitive Peak Reverse Voltage
非 く り 返 し ピ ー ク 逆 電 圧
Non-repetitive Peak Reverse Voltage
平
均
整
流
電
流
Average Rectified Forward Current
実
効
順
電
流
R.M.S. Forward Current
サ
ー
ジ
順
電
流
Surge Forward Current
動 ½ 接 合 温 度 範 囲
Operating Junction Temperature Range
保
存
温
度
範
囲
Storage Temperature Range
400 Volts
Symbol
V
RRM
V
RSM
I
O
I
F(RMS)
I
FSM
T
jw
T
stg
60
50Hz、正弦半波通電抵抗負荷
50Hz Half Sine Wave Resistive Load
FRED
Conditions
400
440
Ta＝29℃
＊1
Ta＝40℃
＊2
4.71
50Hz正弦半波，１サイクル，非くり返し
50Hz Half Sine Wave,1cycle, Non-repetitive
31DF4
■OUTLINE DRAWING(mm)
Unit
V
V
1.5
3.0
A
A
A
A
℃
℃
■APPROX. NET WEIGHT:1.19g
■最大定格 Maximum Ratings
−40∼＋150
−40∼＋150
■電気的・熱的特性 Electrical/ Thermal Characteristics
Item
ピ
ー
ク
逆
電
Peak Reverse Current
ピ
ー
ク
順
電
Peak Forward Voltage
逆
回
復
時
Reverse Recovery Time
熱
抵
Thermal Resistance
流
圧
間
抗
Symbol
I
RM
V
FM
trr
R
th(j-a)
Conditions
T
j
＝25℃, V
RM
＝V
RRM
T
j
＝25℃, I
FM
＝3A
I
FM
＝3A, −di/dt＝50 A/μs, T
j
＝25℃
接合部・周囲間
Junction to Ambient
Min.
−
−
−
−
−
Typ.
−
−
−
−
−
Max.
20
1.25
30
80
34
Unit
μA
V
ns
℃/W
℃/W
単½フイン無し
＊1
銅版フイン付き
＊2
＊1：単½フイン無し / Without Fin or P.C. Board
＊2：銅版フイン付き(両側) / With Cu Fin (20×20×1t, L=5mm, Both Sides)
■定格・特性曲線
FIG.1
0°
FIG.2
θ
180°
0°
FIG.3
θ
180°
CONDUCTION ANGLE
FORWARD CURRENT VS. VOLTAGE
50
31DF4
CONDUCTION ANGLE
AVERAGE FORWARD POWER DISSIPATION
31DF4
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
Without Fin or P.C.Board
31DF4
6
AVERAGE FORWARD POWER DISSIPATION (W)
2.4
D.C.
INSTANTANEOUS FORWARD CURRENT (A)
AVERAGE FORWARD CURRENT (A)
20
10
5
5
D.C.
2.0
RECT 180°
RECT 120°
4
RECT 180
°
HALF SINE WAVE
RECT 120
°
RECT 60
°
1.6
RECT 60°
HALF SINE WAVE
3
1.2
2
1
0.5
Tj=25°C
Tj=150°C
2
0.8
1
0.4
0.2
0
0
0.4
0.8
1.2
1.6
2.0
2.4
0
1
2
3
4
5
0
0
25
50
75
100
125
150
INSTANTANEOUS FORWARD VOLTAGE (V)
AVERAGE FORWARD CURRENT (A)
AMBIENT TEMPERATURE (
°C)
FIG.4
0°
FIG.5
SURGE CURRENT RATINGS
f=50Hz,Half Sine Wave,Non-Repetitive,No Load
31DF4
70
60
31DF4
θ
180°
CONDUCTION ANGLE
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
With Cu Fin(20×20×1t,L=5mm,Both Sides)
5
AVERAGE FORWARD CURRENT (A)
4
RECT 180°
SURGE FORWARD CURRENT (A)
D.C.
50
40
3
HALF SINE WAVE
RECT 120°
2
RECT 60°
30
20
I FSM
0.02s
1
10
0
0.02
0
0
25
50
75
100
125
150
0.05
0.1
0.2
0.5
1
2
AMBIENT TEMPERATURE (
°C)
TIME (s)
46
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