
SBD Type : FCH
FCH20
FCHFCH
20AAAA06
2020
06         OUTLINE DRAWING 
0606
FEATURES
FEATURES  
FEATURESFEATURES 
*TO-220AB Case   
*Fully Molded   
*Dual Diodes – Cathode Common 
*Low Forward Voltage Drop 
*High Surge Capability 
*Tj=150 °C
operation 
Maximum Ratings                  Approx Net Weight: 1.75g 
Rating Symbol FCH20A06 Unit
Repetitive Peak Reverse Voltage 
Repetitive Peak Surge Reverse Voltage 
Average Rectified Output Current  IO 20 
RMS Forward Current  I 
Surge Forward Current  I
Operating JunctionTemperature Range  Tjw  -40 to +150 
Storage Temperature Range  T 
Mounting torque  Ftor  recommended torque = 0.5  N•m
V
 60 
RRM
V
RRSM
F(RMS)
 180 
FSM
  -40 to +150 
stg
65(pulse width ≤ 1µs duty ≤ 1/50) 
Tc=124°C 
50Hz Full Sine Wave ,1cycle  
Non-repetitive 
50 Hz Full Sine Wave 
Resistive Load  
22.2 
V 
V 
A 
A 
A 
°C 
°C
Electrical • Thermal Characteristics 
Characteristics Symbol Conditions Min. Typ. Max. Unit
Peak Reverse Current  IRM 
Peak Forward Voltage  VFM 
Thermal Resistance 
R th ( j - c) Junction to Case  -  -  1. 5  
Rth(c-f) Cace to Fin  -  -  1.5 
Tj= 25°C, V 
per arm 
Tj= 25°C, I 
per arm 
= V
RM
= 10 A 
FM
RRM 
- - 1 mA 
- - 0.68 V 
/W
°C
/W
°C

FCH20A06 OUTLINE DRAWING (Dimentions in mm)