（F.R.D.）
DIODE MODULE
MDF(R)250A-L/M
MDF(R)250A-L/M and MDR150-L/M
are high speed（fast recovery）diode with flat
mounting base which is designed for switching application of high power.
●
I
F AV）
250A
（
●
Easy
4-
φ7
[
V
RRM
=200/300/400V
Construction with Anode F）
（
Type and Cathode R）
（
Type
MDF:anode to terminal
（normal
polarity）
MDR:cathode to terminal
●
Reverse Recovery Time trr）L Type: 450ns, M Type: 550ns
（
●
High Reliability by Glass passivated Chips
●
Non isolated type
]
45±0.4
62
φ8.5
24
8
42 max
MDF
MDR
46
4
19
（Applications）
Switching Power Supply.
Inverter Welding Power Supply
■Maximum
Ratings
Symbol
V
RRM
V
RSM
V
R
（DC）
Symbol
I
F AV）
（
I
F RSM）
（
I
FMS
I
2
t
Tj
Tstg
Item
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Reverse Voltage
D.C. Reverse Voltage
Item
Average Forward Current
R.M.S. Forward Current
Surge Forward Current
I
2
t
Operating Junction Temperature
Storage Temperature
Mounting
Torque
Mass
Mounting M6） Recommended Value 2.5-3.9（25-40）
（
Terminal
（M8）
Recommended Value 8.8-10
（90-105）
Typical Value
MDF(R)250A20L/M
200
240
160
Conditions
Single phase, half wave, 180゜
conduction, Tc:L/M 83゜
/85℃
Single phase, half wave, 180゜
conduction, Tc:L/M 83゜
/85℃
1
／
2
Ratings
MDF(R)250A30L/M
300
360
240
45±0.4
62
32
2
Unit：㎜
MDF(R)250A40L/M
400
480
320
Ratings
250
390
4000/4500
84000
−30
to
＋150
−30
to
＋125
4.7（48）
11（115）
170
Unit
V
V
V
Unit
A
A
A
A
2
S
℃
℃
N½m
（㎏f½B）
g
cycle, 50/60H
Z
, peak value, non-repetitive
Value for one cycle of surge cureent
■Electrical
Characteristics
Symbol
I
RRM
V
FM
Item
Conditions
Foward current 800A, T
j
＝25℃
Inst. measurement
Junction to case
T
j
＝25℃，I
F
＝2A，ーdi/dt＝20A/
μs
L
M
L
M
Ratings
60
1.4
1.3
0.2
450
550
Unit
mA
V
℃/W
ns
Repetitive Peak Reverse Current（max.） at V
RRM
, single phase, half wave, T
j
＝150℃
Forward Voltage Drop
（max.）
Rth j-c） Thermal Impedance（max.）
（
trr
Reverse Recovery Time（max.）
50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: semi@sanrex.com
MDF(R)250A-L/M
M Type
Maximum Forward Characteristics
５
５０
０
Average Forward Current vs.
Power Dissipation
D.C.
Single Phase
Forward Current
（A）
２
１
３
０
５
２
１
２
０
５
0
１０
．
２０
．
Power Dissipation
（W）
４０
０
３０
０
Three Phase
Six Phase
２０
０
１０
０
０
０
１０
０
２０
０
３０
０
４０
０
Forward Voltage Drop
（V）
Average Forward Current
（A）
Allowable Case Temperature Tc
（℃）
１０
５
１０
３
１０
１
９
０
７
０
５
０
Average Forward Current vs.
Allowable Case Temperature
５０
００
Cycle Surge Current Rating
（Non-Repetitive）
Per one element
Surge Forward Current
（A）
４０
５０
４０
００
Tj＝25℃ start
３０
５０
60Hz
３０
００
２０
５０
２０
００
１
２
５
１
０
２
０
５
０
１０
０
Single Phase
Three Phase
D.C.
０
５
０
１０
０
１０
５
２０
０
２０
５
３０
０
３０
５
4０
０
Average Forward Current
（A）
Time
（Cycles）
L Type
Transient Thermal Impedance
θ
（℃/W）
j-c
０４
．
Transient Thermal Impedance
Forward Current
（A）
５
２
Maximum Forward Characteristics
０３
．
１
３
０
５
０２
．
Junction to Case
２
０１
．
０
１
-３
２
０
５ １
-２
２
０
５ １
-１
２
０
５ １
０
２
０
５ １
１
０
１
２
０
５
０
０５
．
１０
．
１５
．
２０
．
Time
t
sec）
（
Forward Voltage Drop
（V）
Allowable Case Temperature Tc
（℃）
Average Forward Current vs.
Power Dissipation
５０
０
１０
５
１０
３
１０
１
Average Forward Current vs.
Allowable Case Temperature
Power Dissipation Pav W）
（
D.C.
４０
０
Single Phase
Three Phase
３０
０
Six Phase
９
０
７
０
５
０
２０
０
１０
０
０
０
Six Phase
Three Phase
Single Phase
D.C.
１０
０
２０
０
３０
０
４０
０
０
１０
０
２０
０
３０
０
４０
０
Average Forward Current
（A）
Average Forward Current
（A）
SanRex 50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: semi@sanrex.com
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