FRD
FEATURES
Type
:
20NFA40
OUTLINE DRAWING
* Ultra – Fast Recovery
* Low Forward Voltage Drop
* Low Power Loss, High Efficiency
* High Surge Capability
* 400 Volts and 600 Volts Types Available
Maximum Ratings
Rating
Repetitive Peak Reverse Voltage
Average Rectified Output Current
RMS Forward Current
Surge Forward Current
Operating JunctionTemperature Range
Storage Temperature Range
Symbol
V
RRM
I
O
I
F(RMS)
I
FSM
Tjw
Tstg
50
2.0
1.15
Apporox Net Weight:1.19g
20NFA40
400
Tl=114°C
Tl: Lead Temperature
Unit
V
50HzHalf Sine
Wave Resistive Load
A
A
A
°C
°C
Ta=25°C
∗1
3.14
50Hz Half Sine Wave,1cycle,
Non-repetitive
- 40 to + 150
- 40 to + 150
Electrical/Thermal
•
Characteristics
Characteristics
Peak Reverse Current
Peak Forward Voltage
Reverse Recovery Time
Symbol
Conditions
Tj= 25°C, V
RM
= V
RRM
Tj= 25°C, I
FM
= 2A
Ta= 25°C, I
FM
=2A –di/dt=50A/µs
Junction to Lead
Junction to Ambient
Min. Typ. Max.
-
-
-
-
-
-
-
-
10
1.28
35
15
90
Unit
µA
V
ns
°C/W
I
RM
V
FM
trr
Rth(j-l)
Thermal Resistance
Rth(j-a)
∗1:
Without Fin or P.C. Board
20NFA_ OUTLINE DRAWING (Dimensions in mm)
FORWARD CURRENT VS. VOLTAGE
20NFA40
20
INSTANTANEOUS FORWARD CURRENT (A)
10
5
2
Tj=25°C
Tj=150°C
1
0.5
0.2
0
0.4
0.8
1.2
1.6
2.0
INSTANTANEOUS FORWARD VOLTAGE (V)
0°
θ
180°
CONDUCTION ANGLE
AVERAGE FORWARD POWER DISSIPATION
20NFA40
D.C.
3.5
AVERAGE FORWARD POWER DISSIPATION (W)
3.0
RECT 180°
2.5
HALF SINE WAVE
RECT 120°
2.0
RECT 60°
1.5
1.0
0.5
0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
AVERAGE FORWARD CURRENT (A)
0°
θ
180°
CONDUCTION ANGLE
AVERAGE FORWARD CURRENT VS. AMBIENT TEMPERATURE
Without Fin or P.C.Board
20NFA40
2.0
D.C.
AVERAGE FORWARD CURRENT (A)
1.6
RECT 180°
RECT 120°
RECT 60°
HALF SINE WAVE
1.2
0.8
0.4
0
0
25
50
75
100
125
150
AMBIENT TEMPERATURE (°C)
0°
θ
180°
CONDUCTION ANGLE
AVERAGE FORWARD CURRENT VS. LEAD TEMPERATURE
20NFA40
D.C.
3.5
AVERAGE FORWARD CURRENT (A)
3.0
2.5
RECT 180°
HALF SINE WAVE
RECT 120°
2.0
1.5
RECT 60°
1.0
0.5
0
0
25
50
75
100
125
150
LEAD TEMPERATURE (°C)
SURGE CURRENT RATINGS
f=50Hz,Half Sine Wave,Non-Repetitive,No Load
60
20NFA40
SURGE FORWARD CURRENT (A)
50
40
30
20
10
0.02s
I FSM
0
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)