BL
GALAXY ELECTRICAL
DUAL
SCHOTTKY RECTIFIERS
FEATURES
High surge capacity.
For use in low voltage, high frequency inverters, free
111
wheeling, and polarity protection applications.
Metal silicon junction, majority carrier conduction.
High current capacity, low forward voltage drop.
Guard ring for over voltage protection.
MBR2070CT - - - MBR20100CT
VOLTAGE RANGE:
70
-
100
V
CURRENT: 20 A
TO-220AB
MECHANICAL DATA
Case:JEDEC TO-220AB,molded plastic body
Terminals:Leads, solderable per MIL-STD-750,
11
Method 2026
Polarity: As marked
Weight: 0.08 ounce, 2.24 grams
Position: Any
½½
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
MBR2070CT MBR2080CT MBR2090CT MBR20100CT UNITS
Maximum recurrent peak reverse voltage
Maximum w orking peak reverse voltage
Maximum DC blocking voltage
Maximum average forw ard total device1
111rectified
current
@ T
C
= 133
Peak forw ard surge current 8.3 ms single half
b
sine-w ave superimposed on rated load
Maximum forw ard
voltage per leg
(NOTE 1)
(I
F
=10A,T
C
=25 )
(I
F
=10A,T
C
=125 )
(I
F
=20A,T
C
=25 )
(I
F
=20A,T
C
=125 )
Maximum reverse current
at rated DC blocking voltage
@T
A
=25
@T
A
=125
V
RRM
V
RWM
V
DC
I
F(AV)
I
FSM
70
49
70
80
56
80
20.0
90
63
90
100
70
100
V
V
V
A
150.0
0.85
A
V
F
0.70
0.95
0.85
V
I
R
C
T
T
J
T
STG
0.1
6.0
400
-
55
---- + 150
-
55
---- + 175
mA
pF
Maximum junction capacitance
(NOTE2)
Operating junction temperature range
Storage temperature range
NOTE: 1. Pulse test:300μs pulse width,1% duty cy cle.
2.
V
R
=5V
DC
,(test signal range 100KHz to 1MHz
www.galaxycn.com
Document Number 0267014
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- FORWARD CURRENT DERATING CURVE
25
MBR2070CT -
-
- MBR20100CT
cc
PEAK FORWARD SURGE
CURRENT,AMPERES
FIG.2 -- MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT PERLEG
175
T
J
=T
J
max
8.3ms Single Half Sine Wave
(JEDEC Method)
AVERAGE FORWARD
CURRENT,AMPERES
Resistive or inductive Load
20
15
150
125
100
75
50
10
5
0
0
50
100
150
25
1
10
1 00
CASE TEMPERATURE
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
11111vCHARACTERISTICS
PER LEG
INSTANTANEOUS FORWARD
CURRENT,AMPERES
INSTANTANEOUS REVERSE
CURRENT,MILLIAMPERES
NUMBER OF CYCLES AT 60Hz
FIG.4 -- TYPICAL REVERSE CHARACTERISTICS
bn
PER LEG
111
40
10
T
J
=125
40
10
T
J
=125
Pulse Width=300
µ
s
1% Duty Cycle
T
J
=25
1
1
0.1
T
J
=75
0.1
0.01
T
J
=25
0.01
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
0.001
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE,
1FIG.5--TYPICAL
JUNCTION CAPACITANCE PER LEG
4000
T
J
=25
f=1.0MHz
Vsig=50MVp-p
JUNCTION CAPACITANCE, pF
1000
100
10
0.1
1
10
100
REVERSE VOLTAGE,VOLTS
www.galaxycn.com
Document Number 0267014
BL
GALAXY ELECTRICAL
2.
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