SBD
T y p e :
FCH20B04
FCH20B
20B04
OUTLINE DRAWING
FEATURES
*TO-220AB Case
*Fully Molded
*Dual Diodes – Cathode Common
*Low Forward Voltage Drop
*High Surge Capability
*Tj=150
°C
operation
Maximum Ratings
Rating
Repetitive Peak Reverse Voltage
Repetitive Peak Surge Reverse Voltage
Average Rectified Output Current
RMS Forward Current
Surge Forward Current
Operating JunctionTemperature Range
Storage Temperature Range
Mounting torque
Approx Net Weight:
1.75g
Symbol
V
RRM
V
RRSM
I
O
I
F(RMS)
I
FSM
T
jw
T
stg
Ftor
Symbol
I
RM
FCH20B04
40
45(pulse width
≤
1µs duty
≤
1/50)
50 Hz Full Sine Wave
20
Tc=113°C
Resistive Load
22.2
50Hz Full Sine Wave ,1cycle
180
Non-repetitive
-40 to +150
-40 to +150
recommended torque = 0.5
Conditions
Min.
-
-
-
-
Typ. Max.
-
-
-
-
1
0.65
2.3
1.5
Unit
V
V
A
A
A
°C
°C
N
•
m
Unit
mA
V
°C
/W
°C
/W
Electrical
•
Thermal Characteristics
Characteristics
Peak Reverse Current
Peak Forward Voltage
Thermal Resistance
Tj= 25°C, V
RM
= V
RRM
per Arm
Tj= 25°C, I
FM
= 10 A
V
FM
per Arm
Rth(j-c) Junction to Case
Rth(c-f) Cace to Fin
FCH_B_ OUTLINE DRAWING (Dimensions in mm)
FORWARD CURRENT VS. VOLTAGE
FCH20B04 (per Arm)
50
INSTANTANEOUS FORWARD CURRENT (A)
20
Tj=25°C
Tj=150°C
10
5
2
1
0
0.2
0.4
0.6
0.8
1.0
1.2
INSTANTANEOUS FORWARD VOLTAGE (V)
0°
θ
180°
CONDUCTION ANGLE
AVERAGE FORWARD POWER DISSIPATION
FCH20B04 (Total)
AVERAGE FORWARD POWER DISSIPATION (W)
16
RECT 180°
SINE WAVE
12
8
4
0
0
4
8
12
16
20
24
AVERAGE FORWARD CURRENT (A)
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
Tj= 150 °C
50
FCH20B04 (per Arm)
PEAK REVERSE CURRENT (mA)
20
10
5
0
10
20
30
40
PEAK REVERSE VOLTAGE (V)
AVERAGE REVERSE POWER DISSIPATION
FCH20B04 (Total)
1.4
AVERAGE REVERSE POWER DISSIPATION (W)
1.2
RECT 180°
1.0
0.8
SINE WAVE
0.6
0.4
0.2
0
0
10
20
30
40
REVERSE VOLTAGE (V)
0°
θ
180°
CONDUCTION ANGLE
AVERAGE FORWARD CURRENT VS. CASE TEMPERATURE
V
RM
=40 V
FCH20B04 (Total)
RECT 180°
24
AVERAGE FORWARD CURRENT (A)
20
SINE WAVE
16
12
8
4
0
0
25
50
75
100
125
150
CASE TEMPERATURE (°C)
SURGE CURRENT RATINGS
f=50Hz,Sine Wave,Non-Repetitive,No Load
200
FCH20B04
SURGE FORWARD CURRENT (A)
160
120
80
40
I FSM
0.02s
0
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)
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