MSC050SDA120BCT Zero Recovery Silicon Carbide Schottky Dual Diode
Product Overview
The silicon carbide (SiC) power Schottky barrier diodes (SBD) product line from Microsemi increases your
performance over silicon diode solutions while lowering your total cost of ownership for high-voltage
applications. The MSC050SDA120BCT is a 1200 V, 50 A SiC dual common cathode SBD in a three-lead TO-247
package shown below.
Features
The following are key features of the MSC050SDA120BCT device:
• No reverse recovery
• Low forward voltage
• Low leakage current
• Avalanche energy rated
• RoHS compliant
Benefits
The following are benefits of the MSC050SDA120BCT device:
• High switching frequency
• Low switching losses
• Low noise (EMI) switching
• Higher reliability systems
• Increased system power density
Applications
The MSC050SDA120BCT device is designed for the following applications:
• Power factor correction (PFC)
• Anti-parallel diode
◦ Switch-mode power supply
◦ Inverters/converters
◦ Motor controllers
• Freewheeling diode
◦ Switch-mode power supply
◦ Inverters/converters
• Snubber/clamp diode
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Device Specifications
Device Specifications
This section details the specifications for the MSC050SDA120BCT device. All ratings are per leg.
Absolute Maximum Ratings
The following table shows the absolute maximum ratings for the MSC050SDA120BCT device. All ratings at
TC = 25 °C unless otherwise specified.
Table 1 • Absolute Maximum Ratings
Symbol
Parameter
Ratings
Unit
VR
Maximum DC reverse voltage
1200
V
VRRM
Maximum peak repetitive reverse voltage
VRWM
Maximum working peak reverse voltage
IF
Maximum DC forward current
TC = 25 °C
109
A
TC = 135 °C
49
TC = 145 °C
41
IFRM
Repetitive peak forward surge current (TC = 25 °C, tp = 8.3 ms, half sine wave)
154
IFSM
Non-repetitive forward surge current (TC = 25 °C, tp = 8.3 ms, half sine wave)
290
Ptot
Power dissipation
TJ , TST-
TC = 25 °C
429
TC = 110 °C
186
Operating junction and storage temperature range
–55 to 175
TL
Lead temperature for 10 seconds
300
EAS
Single-pulse avalanche energy (starting TJ = 25 °C, L = 0.08 mH, peak IL = 50
A)
100
W
°C
G
mJ
The following table shows the thermal and mechanical characteristics of the MSC050SDA120BCT device.
Table 2 • Thermal and Mechanical Characteristics
Symbol
Characteristic
RθJC
WT
Min
Typ
Max
Unit
Junction-to-case
thermal resistance
0.24
0.35
°C/W
Package weight
0.22
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Device Specifications
Symbol
Characteristic
Min
Typ
Max
Unit
5.9
g
Maximum mounting torque
10
lbf-in
1.1
N-m
Electrical Performance
The following table shows the static characteristics of the MSC050SDA120BCT device.
Table 3 • Static Characteristics
Symbol
Characteristic/Test Conditions
VF
Forward voltage
IRM
Reverse leakage current
Min
Typ
Max
Unit
IF = 50 A, TJ = 25 °C
1.5
1.8
V
IF = 50 A, TJ = 175 °C
2.1
VR = 1200 V, TJ = 25 °C
15
200
μA
VR = 1200 V, TJ = 175 °C
250
QC
Total capacitive charge VR = 600 V, TJ = 25 °C
224
nC
CJ
Junction capacitance VR = 400 V, TJ = 25 °C, ƒ = 1 MHz
246
pF
Junction capacitance VR = 800 V, TJ = 25 °C, ƒ = 1 MHz
182
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Device Specifications
Performance Curves
This section shows the typical performance curves for the MSC050SDA120BCT device.
Figure 1 • Maximum Transient Thermal Impedance
Figure 2 • Forward Current vs. Forward Voltage
Figure 3 • Max Forward Current vs. Case Temp
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Device Specifications
Figure 4 • Max Power Dissipation vs. Case Temp
Figure 6 • Total Capacitive Charge vs. VR
Figure 5 • Reverse Current vs. Reverse Voltage
Figure 7 • Junction Capacitance vs. VR
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Package Specification
Package Specification
This section outlines the package specification for the MSC050SDA120BCT device.
Package Outline Drawing
This section details the TO-247 package drawing of the MSC050SDA120BCT device. Dimensions are in
millimeters and (inches).
Figure 8 • Package Outline Drawing
The following table shows the TO-247 dimensions and should be used in conjunction with the package
outline drawing.
Table 4 • Dimensions
Symbol
Min. (mm)
Max. (mm)
Min. (in.)
Max (in.)
A
4.69
5.31
0.185
0.209
B
1.49
2.49
0.059
0.098
C
2.21
2.59
0.087
0.102
D
0.40
0.79
0.016
0.031
E
5.38
6.20
0.212
0.244
F
3.50
3.81
0.138
0.150
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Package Specification
Symbol
Min. (mm)
Max. (mm)
Min. (in.)
Max (in.)
G
6.15 BSC
H
20.80
21.46
0.819
0.845
I
19.81
20.32
0.780
0.800
J
4.00
4.50
0.157
0.177
K
1.01
1.40
0.040
0.055
L
2.87
3.12
0.113
0.123
M
1.65
2.13
0.065
0.084
N
15.49
16.26
0.610
0.640
O
13.50
14.50
0.531
0.571
P
16.50
17.50
0.650
0.689
Q
5.45 BSC
R
2.00
2.75
0.079
0.108
S
7.10
7.50
0.280
0.295
Terminal 1
Anode 1
Terminal 2
Common cathode
Terminal 3
Anode 2
Terminal 4
Common cathode
0.242 BSC
0.215 BSC
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053-4116 | February 2020 | Released
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