MBR2045CT, MBRF2045CT
SWITCHMODE]
Power Rectifier
Features and Benefits
•
•
•
•
•
•
Low Forward Voltage
Low Power Loss / High Efficiency
High Surge Capacity
175°C Operating Junction Temperature
20 A Total (10 A Per Diode Leg)
Pb−Free Package is Available*
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SCHOTTKY BARRIER
RECTIFIER
20 AMPERES, 45 VOLTS
1
2, 4
3
Applications
•
Power Supply
−
Output Rectification
•
Power Management
•
Instrumentation
Mechanical Characteristics
•
•
•
•
Case: Epoxy, Molded
Epoxy Meets UL 94, V−0 @ 0.125 in
Weight: 1.9 Grams (Approximately)
Finish: All External Surfaces Corrosion Resistant and Terminal
Leads are Readily Solderable
•
Lead Temperature for Soldering Purposes:
260°C Max. for 10 Seconds
•
ESD Rating:
Human Body Model = 3B
Machine Model = C
1
2
3
MARKING
DIAGRAMS
4
TO−220AB
CASE 221A
STYLE 6
AYWW
MBR2045CTG
AKA
AYWW
B2045G
AKA
TO−220 FULLPAK
CASE 221D
STYLE 3
2
3
A
Y
WW
G
AKA
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
= Assembly Location
= Year
= Work Week
= Pb−Free Package
= Diode Polarity
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
©
Semiconductor Components Industries, LLC, 2008
May, 2008
−
Rev. 8
1
Publication Order Number:
MBR2045CT/D
MBR2045CT, MBRF2045CT
MAXIMUM RATINGS
Rating
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Average Rectified Forward Current
Per Device
Per Diode (T
C
= 165°C)
Peak Repetitive Forward Current
per Diode Leg (Square Wave, 20 kHz, T
C
= 163°C)
Non−Repetitive Peak Surge Current
(Surge Applied at Rated Load Conditions Halfwave, Single Phase, 60 Hz)
Peak Repetitive Reverse Surge Current (2.0
ms,
1.0 kHz)
See Figure 13
Storage Temperature Range
Operating Junction Temperature (Note 1)
Voltage Rate of Change (Rated V
R
)
Symbol
V
RRM
V
RWM
V
R
I
F(AV)
Value
45
Unit
V
20
10
20
150
1.0
−65
to +175
−65
to +175
10,000
A
I
FRM
I
FSM
I
RRM
T
stg
T
J
dv/dt
A
A
A
°C
°C
V/ms
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.
1. The heat generated must be less than the thermal conductivity from Junction−to−Ambient: dP
D
/dT
J
< 1/R
qJA
.
THERMAL CHARACTERISTICS
Characteristic
Maximum Thermal Resistance
(MBR2045CT)
(MBRF2045CT)
−
Junction−to−Case
−
Junction−to−Ambient
−
Junction−to−Case
−
Junction−to−Ambient
Symbol
R
qJC
R
qJA
R
qJC
R
qJA
Value
2.0
60
4.75
75
Unit
°C/W
ELECTRICAL CHARACTERISTICS
Characteristic
Instantaneous Forward Voltage (Note 2)
(i
F
= 10 Amps, T
J
= 125°C)
(i
F
= 20 Amps, T
J
= 125°C)
(i
F
= 20 Amps, T
J
= 25°C)
Instantaneous Reverse Current (Note 2)
(Rated dc Voltage, T
J
= 125°C)
(Rated dc Voltage, T
J
= 25°C)
2. Pulse Test: Pulse Width = 300
ms,
Duty Cycle
≤
2.0%.
Symbol
v
F
Min
−
−
−
−
−
Typ
0.50
0.67
0.71
10.4
0.02
Max
0.57
0.72
0.84
mA
15
0.1
Unit
V
i
R
DEVICE ORDERING INFORMATION
Device Order Number
MBR2045CT
MBR2045CTG
MBRF2045CTG
Package Type
TO−220
TO−220
(Pb−Free)
TO−220FP
(Pb−Free)
Shipping
†
50 Units / Rail
50 Units / Rail
50 Units / Rail
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2
MBR2045CT, MBRF2045CT
100
70
50
100
70
50
T
J
= 150°C
125°C
25°C
30
20
iF, INSTANTANEOUS FORWARD CURRENT (AMPS)
T
J
= 150°C
iF, INSTANTANEOUS FORWARD CURRENT (AMPS)
0.8 0.9
1.0 1.1 1.2
30
20
10
7.0
5.0
125°C
3.0
2.0
25°C
10
7.0
5.0
3.0
2.0
1.0
0.7
0.5
0.3
0.2
1.0
0.7
0.5
0.3
0.2
0.1
0.0
0.1
0.1
0.2
0.3
0.4 0.5 0.6 0.7
0.2
0.4
0.6
0.8
1.0
1.2
1.4
v
F
, INSTANTANEOUS VOLTAGE (VOLTS)
v
F
, INSTANTANEOUS VOLTAGE (VOLTS)
Figure 1. Typical Forward Voltage
Figure 2. Maximum Forward Voltage
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3
MBR2045CT, MBRF2045CT
100
T
J
= 150°C
IR , REVERSE CURRENT (mA)
125°C
1.0
100°C
0.1
0.01
25°C
0.001
IR , REVERSE CURRENT (mA)
10
10
100
T
J
= 150°C
125°C
100°C
1.0
75°C
0.1
25°C
0.01
0.001
0
5.0
10
15
20
25
30
35
40
45
50
0
5.0
10
15
20
25
30
35
40
45
50
V
R
, REVERSE VOLTAGE (VOLTS)
V
R
, REVERSE VOLTAGE (VOLTS)
0.0001
Figure 3. Typical Reverse Current
Figure 4. Maximum Reverse Current
IF(AV) , AVERAGE FORWARD CURRENT (AMPS)
200
IFSM , PEAK HALF-WAVE CURRENT (AMPS)
18
16
14
12
10
8.0
6.0
4.0
2.0
0
140
145
150
155
160
165
170
175
180
SQUARE
WAVE
dc
100
70
50
30
20
1.0
2.0
3.0
5.0 7.0 10
20
30
50
70 100
NUMBER OF CYCLES AT 60 Hz
T
C
, CASE TEMPERATURE (°C)
Figure 5. Maximum Surge Capability
PF(AV) , AVERAGE FORWARD POWER DISSIPATION (WATTS)
Figure 6. Current Derating, Case, Per Leg
IF(AV) , AVERAGE FORWARD CURRENT (AMPS)
20
18
16
14
12
10
8.0
6.0
4.0
2.0
0
0
25
50
75
100
125
150
175
T
A
, AMBIENT TEMPERATURE (°C)
dc
SQUARE WAVE
dc
R
qJA
= 16°C/W
(With TO-220 Heat Sink)
R
qJA
= 60°C/W
(No Heat Sink)
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
T
J
= 175°C
SQUARE
WAVE
dc
0
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30
I
F(AV)
, AVERAGE FORWARD CURRENT (AMPS)
Figure 7. Current Derating, Ambient, Per Leg
Figure 8. Forward Power Dissipation
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4
MBR2045CT, MBRF2045CT
r(t), TRANSIENT THERMAL RESISTANCE
(NORMALIZED)
1.0
0.7
0.5
0.3
0.2
t
p
0.1
0.07
0.05
0.03
0.02
0.01
0.01
0.1
1.0
t, TIME (ms)
TIME
t
1
P
pk
P
pk
DUTY CYCLE, D = t
p
/t
1
PEAK POWER, P
pk
, is peak of an
equivalent square power pulse.
DT
JL
= P
pk
•
R
qJL
[D + (1 - D)
•
r(t
1
+ t
p
) + r(t
p
) - r(t
1
)] where:
DT
JL
= the increase in junction temperature above the lead temperature.
r(t) = normalized value of transient thermal resistance at time, t, i.e.:
r(t
1
+ t
p
) = normalized value of transient thermal resistance at time,
t
1
+ t
p
, etc.
10
100
1000
Figure 9. Thermal Response for MBR2045CT
R(t), TRANSIENT THERMAL RESISTANCE
100
D = 0.5
0.2
0.1
0.05
0.02
0.01
10
1.0
0.1
P
(pk)
0.01
SINGLE PULSE
t
1
t
2
DUTY CYCLE, D = t
1
/t
2
0.001
0.000001
0.00001
0.0001
0.001
0.01
t
1
, TIME (sec)
0.1
1.0
10
100
1000
Figure 10. Thermal Response Junction−to−Ambient for MBRF2045CT
10
D = 0.5
1.0
0.2
0.1
0.05
0.02
0.01
0.01
SINGLE PULSE
P
(pk)
t
1
t
2
DUTY CYCLE, D = t
1
/t
2
0.001
0.000001
0.00001
0.0001
0.001
0.01
t
1
, TIME (sec)
0.1
1.0
10
100
1000
R(t), TRANSIENT THERMAL RESISTANCE
0.1
Figure 11. Thermal Response Junction−to−Case for MBRF2045CT
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