MR850, MR851, MR852,
MR854, MR856
Axial Lead Fast
Recovery Rectifiers
Axial lead mounted fast recovery power rectifiers are designed for
special applications such as dc power supplies, inverters, converters,
MR850, MR851, MR852, MR854, MR856
MAXIMUM RATINGS
Rating Symbol MR850 MR851 MR852 MR854 MR856 Unit
Peak Repetitive Reverse Voltage V 50 100 200 400 600 V
RRM
Working Peak Reverse Voltage V
RWM
DC Blocking Voltage V
R
NonRepetitive Peak Reverse Voltage V 75 150 250 450 650 V
RSM
RMS Reverse Voltage V 35 70 140 280 420 V
R(RMS)
Average Rectified Forward Current I 3.0 A
O
(Single phase resistive load, T = 80C)
A
NonRepetitive Peak Surge Current I 100 A
FSM
(Surge Applied at Rated Load Conditions) (one cycle)
Operating and Storage Junction Temperature Range T , T 65 to +125 C
J stg
65 to +150
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, JunctiontoAmbient (Note 1) R 28 C/W
JA
Thermal Resistance, JunctiontoLead (Note 1) 5.5 C/W
R
JL
1. Mounted with minimum recommended pad size, PC board FR4.
ELECTRICAL CHARACTERISTICS
Characteristic Symbol Min Typ Max Unit
Forward Voltage V 1.04 1.25 V
F
(I = 3.0 A, T = 25C)
F J
Reverse Current (rated DC voltage) T = 25C I 2.0 10 A
J R
MR850 150
MR851 60 150
MR852 200
T = 80C
J
MR854 250
MR856 100 300
REVERSE RECOVERY CHARACTERISTICS
Characteristic Symbol Min Typ Max Unit
Reverse Recovery Time t ns
rr
(I = 1.0 A to V = 30 Vdc) 100 200
F R
150 300
(I = 15 A, di/dt = 10 A/s)
F
Reverse Recovery Current I 2.0 A
RM(REC)
(I = 1.0 A to V = 30 Vdc)
F R