- 230 - REV.1 Oct.-2003
MR850 THRU MR858
3.0 AMPS. Fast Recovery Rectifiers
Voltage Range
50 to 800 Volts
Current
3.0 Amperes
F
eatures
a Low forward voltage drop
a High current capability
a High reliability
a
High surge current capability
M
echanical Data
a Cases: Molded plastic
a Epoxy: UL 94V-0 rate flame retardant
a Lead: Axial leads, solderable per MIL-
STD-202, Method 208 guaranteed
a Polarity: Color band denotes cathode end
a High temperature soldering guaranteed:
260/10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
a
Weight: 1.2 grams
DO-201AD
Dimensions in inches and (millimeters)
M
aximum Ratings and Electrical Characteristics
Rating at 25ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number Symbol
MR
850
MR
851
MR
852
MR
854
MR
856
MR
858
Unit
s
Maximum Recurrent Peak Reverse Voltage
VRRM
50 100
200
400
600
800
V
Maximum RMS Voltage VRMS
35 70 140
280
420
560
V
Maximum DC Blocking Voltage VDC 50 100
200
400
600
800
V
Maximum Average Forward Rectified
Current .375”(9.5mm) Lead Length
@TA = 55 I(AV) 3.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method ) IFSM 150 A
Maximum Instantaneous Forward Voltage
@ 3.0A VF 1.25 1.3 V
Maximum DC Reverse Current @ TA=25
at Rated DC Blocking Voltage @ TA=100 IR 10
200 uA
uA
Maximum Reverse Recovery Time ( Note 1 )
Trr 100 150 nS
Typical Junction Capacitance ( Note 2 ) Cj 80 pF
Operating Temperature Range TJ -65 to +150
Storage Temperature Range TSTG -65 to +150
Notes:1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C.
.
- 231-
FIG.5- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W
NONINDUCTIVE
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10W
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm SET TIME BASE FOR
5/ 10ns/ cm
RATINGS AND CHARACTERISTIC CURVES (MR850 THRU MR858)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT. (A)
1.6 1.80.4 0.6 0.8 1.0 1.2 1.4
.03
0.1
0.3
1.0
10
20
3.0
.01
FORWARD VOLTAGE. (V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
FIG.4- TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE.(pF)
1 2 4 6 10 100604020
20
0
40
60
90
80
REVERSE VOLTAGE. (V)
Tj=25 C
0
FIG.2- MAXIMUM NON-REPETITIVE PEAK SURGE
CURRENT
PEAK FORWARD SURGE CURRENT. (A)
1051 50 100
100
150
50
10
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
Tj=25 C
0
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT AMPERES
250 50 75 100 125 150 175
2
0
1
3
4
AMBIENT TEMPERATURE. ( C)
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)
Lead Length
