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  Datasheet File OCR Text:
 FRD
T y p e : KSF25A120B F25A
OULINE DRAWING
FEATURES * Similar to TO-247AC(TO-3P)Case * Ultra-Fast Recovery * Low Forward Voltage Drop * Low Power Loss,High Efficiency * High Surge Current Capability * High Voltage
Maximum Ratings
Rating Repetitive Peak Reverse Voltage
Average Rectified Output Current *1 RMS Forward Current Surge Forward Current Operating JunctionTemperature Range Storage Temperature Range Mounting torque *1:Anode Terminals 1 and 3 Connected
Approx Net Weight: 5.55g
Symbol VRRM
IO IF(RMS) IFSM Tjw Tstg Ftor 400 25
KSF25A120B 1200 50 Hz half Sine Wave Tc=32C Resistive Load 39 50Hz Half Sine Wave ,1cycle Non-repetitive -40 to +150 -40 to +150 recommended torque = 0.5
Unit V A A A
C C N*m
Electrical * Thermal Characteristics
Characteristics Peak Reverse Current Peak Forward Voltage *1 Reverse Recovery Time Thermal Resistance *1:Anode Terminals 1 and 3 Connected Symbol IRM VFM Conditions Min. Typ. Max. 5 2.5 200 1.5 Unit mA V ns C /W Tj= 25C, VRM= VRRM Tj= 25C, IFM= 25 A IFM= 25A, trr -di/dt=200A/s, Ta=25C Rth(j-c) Junction to Case
KSF25A120B OUTLINE DRAWING (Dimentions in mm)
FORWARD CURRENT VS. VOLTAGE
KSF25A120B
200
INSTANTANEOUS FORWARD CURRENT (A)
100
50
20 Tj=25C Tj=150C 10
5
2 0 1 2 3 4 5 6
INSTANTANEOUS FORWARD VOLTAGE (V)
0
180
CONDUCTION ANGLE
AVERAGE FORWARD POWER DISSIPATION
KSF25A120B
D.C.
100
AVERAGE FORWARD POWER DISSIPATION (W)
80
RECT 180 HALF SINE WAVE RECT 120 RECT 60
60
40
20
0 0 10 20 30 40
AVERAGE FORWARD CURRENT (A)
0
180
CONDUCTION ANGLE
AVERAGE FORWARD CURRENT VS. CASE TEMPERATURE
KSF25A120B
D.C.
40
AVERAGE FORWARD CURRENT (A)
30
RECT 180 HALF SINE WAVE RECT 120
20
RECT 60
10
0 0 25 50 75 100 125 150
CASE TEMPERATURE (C)
SURGE CURRENT RATINGS
f=50Hz,Half Sine Wave,Non-Repetitive,No Load KSF25A120B
160
SURGE FORWARD CURRENT (A)
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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