DIODE
(NON-ISOLATED TYPE)
MDF(R)250A
(Applications)
Various Rectifiers
Welding Power Supply
φ8.5
45±0.4
62
45±0.4
62
24
8
42 max
46
4
19
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
4-
φ7
32
2
MDF
MDR
Unit:a
■Maximum
Ratings
Symbol
V
RRM
V
RSM
V
R
(DC)
Symbol
(
I
F AV)
(
I
F RMS)
(Tj=25℃
unless otherwise specified)
Item
MDF(R)200A30
300
360
240
Conditions
Single phase, half wave, 180 conduction, Tc:92℃
。
Single phase, half wave, 180 conduction, Tc:92℃
。
1
cycle,
/
2
Ratings
MDF(R)200A40
400
480
320
MDF(R)200A50
500
600
400
Ratings
250
390
4000/4500
84000
−30
to
+150
−30
to
+125
4.7(48)
170
Unit
V
V
V
Unit
A
A
A
A
2
S
℃
℃
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
It
2
I
FSM
It
2
50Hz/60Hz, peak value, non-repetitive
Value for one cycle of surge current
Tj
Tstg
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)
N�½�m
11(115)
(㎏f�½�B)
g
■Electrical
Characteristics
Symbol
I
RRM
V
FM
Item
Repetitive Peak Reverse Current, max.
Forward Voltage Drop, max.
Conditions
at V
DRM
, single phase, half wave, Tj=150℃
Foward current 800A, Tj=25℃, Inst. measurement
Junction to case
Ratings
15
1.15
0.2
Unit
mA
V
℃/W
Rth j-c) Thermal Impedance, max.
(
SanRex
®
50 Seaview Blvd. Port Washington, NY 11050-4618 PH.(516)625-1313 FAX(516)625-8845 E-mail: semi@sanrex.com