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
DIODE MODULE
（F.R.D.）
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.
●IF（AV）250A VRRM=200/300/400V
●
Easy 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
（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
VR（DC）
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
AIF（AV）
Single phase, half wave, 180゜conduction, Tc:L/M 83゜/85℃
250
IF（RSM）R.M.S. Forward Current
Single phase, half wave, 180゜conduction, Tc:L/M 83゜/85℃
390 A
IFMS Surge Forward Current 1
／
2cycle, 50/60HZ, peak value, non-repetitive 4000/4500 A
I2tI2t Value for one cycle of surge cureent 84000 A2S
Tj
Operating Junction Temperature
−30 to ＋150 ℃
Tstg Storage Temperature
Mounting
Torque
−30 to ＋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
（㎏f･B）
gTypical Value 170
4-φ7
45±0.4
62
24
46
φ8.5
8
19
4
42max
32
2
62
45±0.4
Unit：㎜
Tj＝25℃，IF＝2A，ーdi/dt＝20A/μs
■Electrical Characteristics
Symbol
IRRM
VFM
Item
Repetitive Peak Reverse Current（max.）
Forward Voltage Drop（max.）
Conditions
at VRRM, single phase, half wave, Tj＝150℃
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, Tj＝25℃
Inst. measurement L
M
℃/W
trr
Reverse Recovery Time（max.）
ns
MDRMDF
SanRex
®
SanRex 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
MaximumForwardCharacteristics
ForwardVoltageDrop（V）
５
５
２
５
２
0１．０ ２．０
１０
３
１０
２
ForwardCurrent（A）
MType
AverageForwardCurrentvs.
PowerDissipation
AverageForwardCurrent（A）
５００
４００
３００
２００
１００
０
０ １００ ２００ ３００ ４００
PowerDissipation（W）
D.C.
SinglePhase
ThreePhase
SixPhase
AverageForwardCurrentvs.
AllowableCaseTemperature
AverageForwardCurrent（A）
１５０
１３０
１１０
９０
７０
５０
０
５０ １００ １５０ ２００ ２５０ ３００ 4００
３５０
AllowableCaseTemperatureTc（℃）
ThreePhase
SinglePhase
D.C.
CycleSurgeCurrentRating
（Non-Repetitive）
Time（Cycles）
５０００
４５００
４０００
３５００
３０００
２５００
２０００
５２ ２０ ５０１ １０ １００
SurgeForwardCurrent（A）
Peroneelement
Tj＝25℃start
60Hz
０．４
０．３
０．２
０．１
０
TransientThermalImpedance
Timet（sec）
２ ２５ ５ ２ ５ ２ ５
１０
-３ １０
-２ １０
-１ １０
０ １０
１
TransientThermalImpedanceθj-c（℃/W）
JunctiontoCase
MaximumForwardCharacteristics
LType
ForwardVoltageDrop（V）
５
２
５
２
５
１０
３
１０
２
０．５ １．５ ２．００ １．０
ForwardCurrent（A）
４００
３００
１００
２００
５００
０
AverageForwardCurrentvs.
PowerDissipation
０ １００ ４００３００２００
AverageForwardCurrent（A）
PowerDissipationPav（W）
SixPhase
ThreePhase
SinglePhase
D.C.
AverageForwardCurrent（A）
AverageForwardCurrentvs.
AllowableCaseTemperature
１１０
７０
９０
５０
１５０
１３０
０ １００ ２００ ３００ ４００
AllowableCaseTemperatureTc（℃）
SixPhase ThreePhase SinglePhase D.C.