Datasheet

SiC Schottky Diode
LFUSCD20065B, 650 V, 20 A, TO-247 3-lead
LFUSCD20065B
RoHS
Pb
Description
The LFUSCD series of silicon carbide (SiC) Schottky diodes has near-zero recovery current, high surge capability,
and a maximum operating junction temperature of 175 °C.
The diode series is ideal for applications where improvements in efficiency, reliability, and thermal management
are desired.
Features
• E
xtremely fast,
temperature-independent
switching behavior
• P
ositive temperature
coefficient for safe
operation and ease of
paralleling
• D
ramatically reduced
switching losses
compared to Si bipolar
diodes
• 1
75 °C maximum
operating junction
temperature
• Enhanced surge capability
Circuit Diagram
Applications
4
Case
4
1
2
• B
oost diodes in power
factor correction
• U
ninterruptible power
supplies
• S
witch-mode power
supplies
• Solar inverters
• Industrial motor drives
3
1
2
3
Maximum Ratings
Characteristics
DC Blocking Voltage
Symbol
Conditions
Max.
Unit
VR
-
650
V
Repetitive Peak Reverse Voltage, Tj
= 25 °C
VRRM
650
V
Surge Peak Reverse Voltage
VRSM
650
V
TC = 125 °C
20
A
Maximum DC Forward Current
IF
Non-Repetitive Forward Surge
Current
IFSM
TC = 25 °C, 8.3 ms, half sine pulse
90
A
Non-Repetitive Peak Forward Current
IF,MAX
TC = 25 °C, 10 µS
910
A
Non-Repetitive Avalanche Energy
EAS
Tj = 25 °C, L = 5 mH, Ipk = 7.8 A,
168
mJ
Power Dissipation
PTot
TC = 25 °C
136
TC = 125 °C
45
Maximum Operating Junction
Temperature
Storage Temperature
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/19/16
W
TJ,MAX
175
°C
TSTG
-55 to 175
°C
SiC Schottky Diode
LFUSCD20065B, 650 V, 20 A, TO-247 3-lead
Electrical Characteristics
Characteristics
Symbol
Forward Voltage
Value
Conditions
VF
Min.
Typ.
Max.
IF = 20 A, TJ = 25 °C
-
1.5
1.7
IF = 20 A, TJ = 150 °C
-
1.8
2.1
IF = 20 A, TJ = 175 °C
-
1.95
2.25
VR = 650 V , TJ = 25 °C
-
50
500
VR = 650 V , TJ = 175 °C
-
100
1600
QC
VR = 400 V, IF = 20 A, di/dt = 250 A/µs
-
32
-
VR = 1 V, f =1 MHz
-
580
-
C
VR = 300 V, f = 1 MHz
-
62
-
VR = 600 V, f = 1 MHz
-
56
-
Reverse Current
IR
Total Capacitive Charge
Total Capacitance
Unit
V
μA
nC
pF
Footnote: TJ = +25 °C unless otherwise specified
Thermal Characteristics
Characteristics
Thermal Resistance
Symbol
Conditions
RθJC
-
Figure 1: Typical Reverse Characteristics
Value
Max.
-
-
1.1
Unit
°C/W
40
- 55 °C
35
25 °C
175 °C
10-6
1.E-06
10-7
1.E-07
10-8
1.E-08
Forward Current, IF (A)
Reverse Current, IR (A)
Typ.
Figure 2: Typical Foward Characteristics
1.E-04
10-4
1.E-05
10-5
Min.
30
25
20
- 55 °C
15
25 °C
100 °C
10
150 °C
5
10-9
1.E-09
200 250 300 350 400 450 500 550 600 650
Reverse Voltage, VR (V)
0
175 °C
0
1
2
3
Forward Voltage, VF (V)
4
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/19/16
SiC Schottky Diode
LFUSCD20065B, 650 V, 20 A, TO-247 3-lead
Figure 3: Power Disipation
Figure 4: D
iode Foward Current
150
160
D = 0.1
D = 0.3
D = 0.5
D = 0.7
D = 1.0
Forward Current,IF (A)
Power Disspiation, PTot (W)
140
100
50
120
100
80
60
40
20
0
25
50
75
100
TC (±C)
125
150
0
175
Figure 5: Capacitance vs. Reverse Voltage
25
50
75
100
TC (±C)
125
150
175
Figure 6: Transient Thermal Impedance
800
(±C/W)
500
400
300
200
100
0
1
θJC
600
Thermal Impedance, Z
Capacitance, C (pF)
700
0.1
1
10
100
Reverse Voltage, VR (V)
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/19/16
1000
0.1
D = 0.5
D = 0.3
D = 0.1
0.01
D = 0.05
D = 0.02
D = 0.01
Single Pulse
0.001
1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01
Time , t (s)
SiC Schottky Diode
LFUSCD20065B, 650 V, 20 A, TO-247 3-lead
Part Marking System
LFUSCD
20065B
PYWXX ZZZ
LFU
SCD
20
065
B
PYWXX
ZZZ
Packing Options
= Littelfuse
= SiC diode
= Current Rating (20A)
= Voltage Rating (650V)
= TO-247-3 package
= Lot Number
= Date Code
Part Number
Marking
Packing Mode
M.O.Q
LFUSCD20065B
LFUSCD20065B
30 pcs / Tube
240
Dimensions-Package TO-247 3-lead
Symbol
A
A1
A2
b
b2
b4
C
D
D1
D2
E
E1
E2
E2/2
e
L
L1
øP
øP1
Q
S
Inches
Min
0.193
0.900
0.073
0.042
0.075
0.113
0.022
0.820
0.684
0.042
0.621
0.547
0.135
0.081
0.789
0.164
0.140
0.278
0.216
0.238
Nom
0.198
0.950
0.078
0.047
0.080
0.118
0.024
0.825
0.690
0.047
0.626
0.552
0.146
0.088
0.215 BSC
0.794
0.170
0.142
0.283
0.221
0.243
Max
0.203
0.100
0.083
0.052
0.094
0.133
0.027
0.830
0.696
0.052
0.631
0.557
0.157
0.095
0.799
0.176
0.144
0.288
0.226
0.248
Mounting
M3/M3.5
1Nm
Torque
Screw
8.8 lbf-in
Packing Specification ( Tube for TO-247 3-lead )
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/19/16
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