(
)
NON-ISOLATED TYPE
DIODE
( )
MDF R 250A
MDF(R)250A is a diode with flat mounting base which is designed for use in various
rectifier applications.
4-φ7
●
F(AV)
RRM
I
=250A, V =500V
● Easy Construction with Anode(F)Type and Cathode(R)type.
● High reliability by glass passivation
(Applications)
Various Rectifiers
Welding Power Supply
45±0.4
62
φ8.5
24
46
Unit:a
MDF
MDR
■Maximum Ratings
(Tj=25℃ unless otherwise specified)
Ratings
Symbol
Item
Unit
( )
( )
( )
MDF R 200A30
MDF R 200A40
MDF R 200A50
VRRM
VRSM
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Reverse Voltage
D.C. Reverse Voltage
300
360
240
400
480
320
500
600
400
V
V
V
VR(DC)
Ratings
250
Symbol
Item
Conditions
Unit
A
F(AV)
I
Average Forward Current
R.M.S. Forward Current
Surge Forward Current
Single phase, half wave, 180。conduction, Tc:92℃
F(RMS)
I
390
A
Single phase, half wave, 180。conduction, Tc:92℃
1
FSM
I
A
/cycle, 50Hz/60Hz, peak value, non-repetitive
4000/4500
84000
2
2
2
2
I
I t
Value for one cycle of surge current
A S
t
Tj
Junction Temperature
Storage Temperature
-30 to +150
-30 to +125
4.7(48)
11(115)
170
℃
℃
Tstg
Mounting(M6) Recommended Value 2.5-3.9(25-40)
Mounting
Torque
N・m
(㎏f・B)
Termina
(l
M8) Recommended Value 8.8-10 (90-105)
Mass
g
■Electrical Characteristics
Ratings
15
Symbol
IRRM
Item
Conditions
Unit
mA
V
Repetitive Peak Reverse Current, max.
Forward Voltage Drop, max.
Thermal Impedance, max.
DRM
at V , single phase, half wave, Tj=150℃
VFM
1.15
0.2
Foward current 800A, Tj=25℃, Inst. measurement
Junction to case
Rth(j-c)
℃/W
SanRex
®
50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: semi@sanrex.com