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MDF(R)250A-L/M
DIODE MODULE F.R.D.
MDF(R)250A-L/M are high speed diode with flat mounting base which is designed for
switching application of high power.
IFAV 250A VRRM=400V
Easy Construction with Anode F Type and Cathode RType
Reverse Recovery Time trr L Type: 450ns, M Type: 550ns
High Reliability by Glass passivated Chips
Applications
Switching Power Supply.
Inverter Welding Power Supply
Maximum Ratings
Symbol Item Ratings
MDF(R)250A20L/M
200
240
160
MDF(R)250A30L/M
300
360
240
Unit
VRRM
VRSM
VRDC
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Reverse Voltage
D.C. Reverse Voltage
MDF(R)250A40L/M
400
480
320
V
V
V
Symbol Item
Average Forward Current
Conditions Ratings Unit
AIFAV
Single phase, half wave, 180 conduction, Tc:L/M 83 /85
250
IFRSM R.M.S. Forward Current
Single phase, half wave, 180 conduction, Tc:L/M 83 /85
390 A
IFSM Surge Forward Current 12cycle, 50/60HZ, peak value, non-repetitive 4000/4500 A
I2tI2t Value for one cycle of surge cureent 84000 A2S
Tj
Operating Junction Temperature
30 150
Tstg Storage Temperature
Mounting
Torque
30 125
Mounting
M6
Terminal M8
Mass
Recommended Value 2.5 3.9 25 40
Recommended Value 8.8 10 90 105
4.7 48
11 115
N m
fB
gTypical Value 170
Unit
Tj25 IF2A di/dt 20A/s
Electrical Characteristics
Symbol
IRRM
VFM
Item
Repetitive Peak Reverse Current max
Forward Voltage Drop max
Conditions
at VDRM, single phase, half wave, Tj150
Ratings
60
1.4
1.3
0.2
450
550
Unit
mA
V
Rth j-c Thermal Impedance max Junction to case
L
M
Foward current 800A, Tj25
Inst, measurement
L
M
/W
trr Reverse Recovery Time max ns
MDRMDF
