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MDF(R)250A
DIODE
(
NON-ISOLATED TYPE
)
MDF R 250A is a diode with flat mounting base which is designed for use in various
rectifier applications.
I
F AV
250A, V
RRM
500V
Easy Construction with Anode F Type and Cathode R type.
High reliability by glass passivation
Applications
Various Rectifiers
Welding Power Supply
Unit a
Symbol Item
Ratings
MDF(R)200A30 MDF(R)200A40 MDF(R)200A50
300 400 500
360
240
480
320
600
400
Unit
VRRM
VRSM
VR DC
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Reverse Voltage
D.C. Reverse Voltage
V
V
V
Symbol Item
Average Forward Current
Conditions
Ratings
Unit
AI
F AV
Single phase, half wave, 180 conduction, Tc 92
250
I
F RMS
I
FSM
R.M.S. Forward Current
Surge Forward Current
Single phase, half wave, 180 conduction, Tc 92
1
2
cycle, 50Hz/60Hz, peak value, non-repetitive
390
4000/4500
A
A
I
2
t
I2t Value for one cycle of surge current 84000 A2S
Tj Junction Temperature
30 150
Tstg Storage Temperature
30 125
Mounting
Torque
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
f B
g170
Electrical Characteristics
Symbol
IRRM
Item
Repetitive Peak Reverse Current, max.
Conditions
at V
DRM
, single phase, half wave, Tj 150
Ratings
15
1.15
0.2
Unit
mA
VFM Forward Voltage Drop, max.
Foward current 800A, Tj 25 , Inst. measurement
V
Rth j-c
Thermal Impedance, max. Junction to case
/W
MDRMDF
Maximum Ratings
Tj 25
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MDF(R)250A
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