650V-80mW SiC Cascode
Rev. A, January 2019
DATASHEET
Description
UF3C065080K4S
CASE
CASE
D (1)
United Silicon Carbide's cascode products co-package its highperformance F3 SiC fast JFETs with a cascode optimized MOSFET to
produce the only standard gate drive SiC device in the market today.
This series exhibits very fast switching using a 4-terminal TO-247package and the best reverse recovery characteristics of any device
of similar ratings. These devices are excellent for switching inductive
loads, and any application requiring standard gate drive.
Features
w Typical on-resistance RDS(on),typ of 80mW
w Maximum operating temperature of 175°C
w Excellent reverse recovery
G (4)
w Low gate charge
w Low intrinsic capacitance
w ESD protected, HBM class 2
KS (3)
w TO-247-4L package for faster switching, clean gate waveforms
S (2)
1 2 34
Typical applications
w EV charging
Part Number
Package
Marking
UF3C065080K4S
TO-247-4L
UF3C065080K4S
w PV inverters
w Switch mode power supplies
w Power factor correction modules
w Motor drives
w Induction heating
Datasheet: UF3C065080K4S
Rev. A, January 2019
1
Maximum Ratings
Parameter
Symbol
VDS
VGS
Drain-source voltage
Gate-source voltage
Continuous drain current 1
ID
Pulsed drain current 2
Single pulsed avalanche energy 3
Power dissipation
Maximum junction temperature
Operating and storage temperature
IDM
EAS
Ptot
TJ,max
TJ, TSTG
Max. lead temperature for soldering,
1/8” from case for 5 seconds
TL
Test Conditions
DC
TC = 25°C
TC = 100°C
TC = 25°C
L=15mH, IAS =2.1A
TC = 25°C
Value
Units
650
-25 to +25
31
23
65
33
190
175
-55 to 175
V
V
A
A
A
mJ
W
°C
°C
250
°C
1. Limited by TJ,max
2. Pulse width tp limited by TJ,max
3. Starting TJ = 25°C
Thermal Characteristics
Parameter
Symbol
Thermal resistance, junction-to-case
RqJC
Datasheet: UF3C065080K4S
Test Conditions
Rev. A, January 2019
Value
Min
Typ
Max
0.61
0.79
Units
°C/W
2
Electrical Characteristics (TJ = +25°C unless otherwise specified)
Typical Performance - Static
Parameter
Drain-source breakdown voltage
Total drain leakage current
Total gate leakage current
Drain-source on-resistance
Gate threshold voltage
Gate resistance
Symbol
Test Conditions
BVDS
VGS=0V, ID=1mA
IDSS
IGSS
RDS(on)
VG(th)
RG
Value
Min
Typ
Max
650
V
VDS=650V,
VGS=0V, TJ=25°C
6
VDS=650V,
VGS=0V, TJ=175°C
40
VDS=0V, TJ=25°C,
VGS=-20V / +20V
6
20
VGS=12V, ID=20A,
TJ=25°C
80
100
VGS=12V, ID=20A,
TJ=175°C
VDS=5V, ID=10mA
Units
100
mA
mA
mW
141
4
f=1MHz, open drain
5
4.5
6
V
W
Typical Performance - Reverse Diode
Parameter
Diode continuous forward current 1
Diode pulse current
2
Forward voltage
Test Conditions
IS
TC=25°C
31
A
IS,pulse
TC=25°C
65
A
VFSD
Reverse recovery charge
Qrr
Reverse recovery time
trr
Reverse recovery charge
Qrr
Reverse recovery time
trr
Datasheet: UF3C065080K4S
Value
Symbol
Min
Typ
VGS=0V, IF=10A,
TJ=25°C
1.5
VGS=0V, IF=10A,
TJ=175°C
1.75
VR=400V, IF=20A,
VGS=-5V, RG_EXT=10W
di/dt=2200A/ms,
TJ=25°C
VR=400V, IF=20A,
VGS=-5V, RG_EXT=10W
di/dt=2200A/ms,
TJ=150°C
Rev. A, January 2019
Max
Units
2
V
119
nC
16
ns
73
nC
11
ns
3
Typical Performance - Dynamic
Parameter
Value
Symbol
Test Conditions
Ciss
Coss
Crss
VDS=100V, VGS=0V
f=100kHz
1500
104
2.6
pF
Effective output capacitance, energy
related
Coss(er)
VDS=0V to 400V,
VGS=0V
77
pF
Effective output capacitance, time
related
Coss(tr)
VDS=0V to 400V,
VGS=0V
176
pF
COSS stored energy
Eoss
VDS=400V, VGS=0V
6.2
mJ
Total gate charge
Gate-drain charge
Gate-source charge
QG
QGD
QGS
VDS=400V, ID=20A,
VGS = -5V to 12V
43
11
19
nC
Turn-on delay time
td(on)
Input capacitance
Output capacitance
Reverse transfer capacitance
Rise time
Turn-off delay time
Fall time
tr
td(off)
tf
Turn-on energy
EON
Turn-off energy
EOFF
Total switching energy
Turn-on delay time
Rise time
Turn-off delay time
Fall time
ETOTAL
td(on)
tr
td(off)
tf
Turn-on energy
EON
Turn-off energy
EOFF
Total switching energy
Datasheet: UF3C065080K4S
ETOTAL
VDS=400V, ID=20A,
Gate Driver =-5V to
+12V,
Turn-on RG,EXT=8.5W,
Turn-off RG,EXT=20W
Inductive Load,
FWD: same device with
VGS = -5V, RG = 10W,
TJ=25°C
VDS=400V, ID=20A,
Gate Driver =-5V to
+12V,
Turn-on RG,EXT=8.5W,
Turn-off RG,EXT=20W
Inductive Load,
FWD: same device with
VGS = -5V, RG = 10W,
TJ=150°C
Rev. A, January 2019
Min
Typ
Max
Units
21
20
37
ns
8
121
41
mJ
162
17
18
36
ns
7
107
31
mJ
138
4
60
60
50
50
Drain Current, ID (A)
Drain Current, ID (A)
Typical Performance Diagrams
40
30
Vgs = 15V
Vgs = 8V
Vgs = 7.5V
Vgs = 7V
Vgs = 6.5V
20
10
30
Vgs = 15V
Vgs = 8V
20
Vgs = 7V
Vgs = 6.5V
10
0
Vgs = 6V
0
0
1
2 3 4 5 6 7 8 9
Drain-Source Voltage, VDS (V)
10
Figure 1. Typical output characteristics at TJ = 55°C, tp < 250ms
0
1
2
3
4
5
6
7
8
9
Drain-Source Voltage, VDS (V)
10
Figure 2. Typical output characteristics at TJ = 25°C,
tp < 250ms
60
2.0
40
30
On Resistance, RDS_ON (P.U.)
Vgs = 15V
Vgs = 7V
Vgs = 6.5V
Vgs = 6V
Vgs = 5.5V
Vgs = 5V
50
Drain Current, ID (A)
40
20
10
1.5
1.0
0.5
0.0
0
0
1
2
3
4
5 6
7 8
9
Drain-Source Voltage, VDS (V)
Figure 3. Typical output characteristics at TJ = 175°C,
tp < 250ms
Datasheet: UF3C065080K4S
-75 -50 -25 0 25 50 75 100 125 150 175
Junction Temperature, TJ (°C)
10
Figure 4. Normalized on-resistance vs. temperature
at VGS = 12V and ID = 20A
Rev. A, January 2019
5
40
Tj = -55°C
Tj = 175°C
Tj = 25°C
Tj = - 55°C
250
200
Drain Current, ID (A)
On-Resistance, RDS(on) (mW)
300
150
100
50
Tj = 175°C
20
10
0
0
0
10
20
30
40
Drain Current, ID (A)
50
60
Figure 5. Typical drain-source on-resistances at VGS =
12V
0
2 3 4 5 6 7 8
Gate-Source Voltage, VGS (V)
9
10
Gate-Source Voltage, VGS (V)
20
5
4
3
2
1
0
-100
1
Figure 6. Typical transfer characteristics at VDS = 5V
6
Threshold Voltage, Vth (V)
Tj = 25°C
30
15
10
5
0
-5
-50
0
50
100
150
Junction Temperature, TJ (°C)
Figure 7. Threshold voltage vs. junction temperature
at VDS = 5V and ID = 10mA
Datasheet: UF3C065080K4S
0
200
10
20
30
40
Gate Charge, QG (nC)
50
60
Figure 8. Typical gate charge at VDS = 400V and ID =
20A
Rev. A, January 2019
6
0
0
Vgs = -5V
Vgs = 0V
Vgs = 5V
-10
Vgs = - 5V
-5
Drain Current, ID (A)
Drain Current, ID (A)
-5
Vgs = 8V
-15
-20
-25
Vgs = 0V
Vgs = 5V
-10
Vgs = 8V
-15
-20
-25
-30
-30
-4
-3
-2
-1
Drain-Source Voltage, VDS (V)
0
Figure 9. 3rd quadrant characteristics at TJ = -55°C
-4
-3
-2
-1
Drain-Source Voltage, VDS (V)
0
Figure 10. 3rd quadrant characteristics at TJ = 25°C
0
15
10
-10
EOSS (mJ)
Drain Current, ID (A)
-5
-15
Vgs = - 5V
-20
5
Vgs = 0V
Vgs = 5V
-25
Vgs = 8V
0
-30
-4
-3
-2
-1
Drain-Source Voltage, VDS (V)
Figure 11. 3rd quadrant characteristics at TJ = 175°C
Datasheet: UF3C065080K4S
0
0
100 200 300 400 500
Drain-Source Voltage, VDS (V)
600
Figure 12. Typical stored energy in COSS at VGS = 0V
Rev. A, January 2019
7
10,000
35
DC Drain Current, ID (A)
Capacitance, C (pF)
Ciss
1,000
Coss
100
10
Crss
30
25
20
15
10
5
0
1
0
100 200 300 400 500
Drain-Source Voltage, VDS (V)
-75 -50 -25 0 25 50 75 100 125 150 175
Case Temperature, TC (°C)
600
Figure 13. Typical capacitances at f = 100kHz and
VGS = 0V
Figure 14. DC drain current derating
Thermal Impedance, ZqJC (°C/W)
Power Dissipation, Ptot (W)
200
150
100
50
0
-75 -50 -25 0 25 50 75 100 125 150 175
Case Temperature, TC (°C)
Figure 15. Total power dissipation
Datasheet: UF3C065080K4S
1
0.1
0.01
D = 0.5
D = 0.3
D = 0.1
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
Pulse Time, tp (s)
Figure 16. Maximum transient thermal impedance
Rev. A, January 2019
8
300
100
VDD = 400V, VGS = -5V/12V
RG_ON = 8.5W, RG_OFF = 20W
FWD: same device with VGS =
-5V, RG = 10W
10
10ms
100ms
1
1ms
DC
Switching Energy (mJ)
Drain Current, ID (A)
1ms
250
200
Etot
Eon
Eoff
150
100
50
10ms
0
0.1
1
0
10
100
1000
Drain-Source Voltage, VDS (V)
Figure 17. Safe operation area at TC = 25°C, D = 0,
Parameter tp
5
10
15
20
Drain Current, ID (A)
25
30
Figure 18. Clamped inductive switching energy vs.
drain current at TJ = 25°C
200
100
Turn-Off Energy, EOFF (mJ)
Turn-on Energy, EON (mJ)
90
150
100
VDD = 400V, VGS = -5V/12V
ID = 20A, TJ = 25°C
FWD: same device with VGS - 5V,
RG = 10W
50
80
70
60
50
40
VDD = 400V, VGS = -5V/12V
ID = 20A, TJ =25°C
FWD: same device with VGS = -5V,
RG = 10W
30
20
10
0
0
0
5
10
15
Total External RG, RG,EXT_ON (W)
Figure 19. Clamped inductive switching turn-on
energy vs. RG,EXT_ON
Datasheet: UF3C065080K4S
0
20
20
40
60
80
Total External RG, RG,EXT_OFF (W)
100
Figure 20. Clamped inductive switching turn-off
energy vs. RG,EXT_OFF
Rev. A, January 2019
9
140
Etot
Eon
Eoff
150
120
100
100
VGS = -5V/12V, RG_ON =
8.5W, RG_OFF = 20W, FWD:
same device with VGS = -5V,
RG = 10W
50
Qrr (nC)
Switching Energy (mJ)
200
80
60
VDD = 400V, IS = 20A,
di/dt = 2200A/ms,
VGS = -5V, RG =10W
40
20
0
0
0
25
50
75 100 125 150
Junction Temperature, TJ (°C)
175
Figure 21. Clamped inductive switching energy vs.
junction temperature at VDS = 400V and ID = 20A
0
25
50
75 100 125 150
Junction Temperature, TJ (°C)
175
Figure 22. Reverse recovery charge Qrr vs. junction
temperature
Applications Information
SiC cascodes are enhancement-mode power switches formed by a
high-voltage SiC depletion-mode JFET and a low-voltage silicon
MOSFET connected in series. The silicon MOSFET serves as the
control unit while the SiC JFET provides high voltage blocking in the
off state. This combination of devices in a single package provides
compatibility with standard gate drivers and offers superior
performance in terms of low on-resistance (RDS(on)), output
capacitance (Coss), gate charge (QG), and reverse recovery charge
(Qrr) leading to low conduction and switching losses. The SiC
cascodes also provide excellent reverse conduction capability
eliminating the need for an external anti-parallel diode.
Information on all products and contained herein is intended for
description only. No license, express or implied, to any intellectual
property rights is granted within this document.
United Silicon Carbide, Inc. assumes no liability whatsoever relating
to the choice, selection or use of the United Silicon Carbide, Inc.
products and services described herein.
Like other high performance power switches, proper PCB layout
design to minimize circuit parasitics is strongly recommended due to
the high dv/dt and di/dt rates. An external gate resistor is
recommended when the cascode is working in the diode mode in
order to achieve the optimum reverse recovery performance. For
more information on cascode operation, see www.unitedsic.com.
Disclaimer
United Silicon Carbide, Inc. reserves the right to change or modify
any of the products and their inherent physical and technical
specifications without prior notice. United Silicon Carbide, Inc.
assumes no responsibility or liability for any errors or inaccuracies
within.
Datasheet: UF3C065080K4S
Rev. A, January 2019
10