PRX C770__
Fast Switching Thyristor
Powerex, Inc., 173 Pavilion Lane, Youngwood, PA 15697-1800 724-925-7272 WWW.PWRX.COM 2100 Amperes 2000 Volts
FEATURES:
Fast Turn-Off Time
High di/dt Capability
High dv/dt Capability
Hermetic Ceramic Package
Excellent Surge and I2t Ratings
APPLICATIONS:
DC-AC Inverters
ORDERING INFORMATION Pulse Power Switches
Select the complete Part Number using the table below.
EXAMPLE: PRX C770PN is a 1800V - 2100A SCR with 250ma
IGT and 12 inch gate and cathode potential leads.
PART
Voltage
Rating
Voltage
Code
Current
Rating
Turn-Off Gate Leads
VDRM-VRRM Itavg Tq IGT
PRX C770__ 2000 L2100 60us 250ma 12"
1800
PN
1600
PM
1400
PD
Revised: 7/24/2012
The PRX C770 is a high voltage, high current disc
pack SCR employing a high di/dt, distributed gate
structure to optimize turn-on speed. This gate
design allows the SCR to be reliably operated at
high di/dt and dv/dt conditions in inverter
applications to 1KHz operating frequency.
Page 1 of 4
PRX C770__
Fast Switching Thyristor
Powerex, Inc., 173 Pavilion Lane, Youngwood, PA 15697-1800 724-925-7272 WWW.PWRX.COM 2100 Amperes 2000 Volts
Absolute Maximum Ratings
Characteristic Symbol Rating Units
Repetitive Peak Voltage
VDRM-VRRM 1400 - 2000 Volts
Average On-State Current, TC=70°C IT(Avg.) 2100 A
RMS On-State Current, TC=70°C IT(RMS) 3299 A
Average On-State Current, TC=50°C IT(Avg.) 2600 A
RMS On-State Current, TC=50°C IT(RMS) 4084 A
Peak One Cycle Surge Current, 60Hz, VR=0V ITSM 35,000 A
Peak One Cycle Surge Current, 50Hz, VR=0V ITSM 32,998 A
Fuse Coordination I2t, 60Hz I2t5.10E+06 A2s
Fuse Coordination I2t, 50Hz I2t5.44E+06 A2s
Critical Rate-of-Rise of On-State Current di/dt 300 A/us
Repetitive .67•VDRM
Critical Rate-of-Rise of On-State Current di/dt 500 A/us
Non-Repetitive .67•VDRM
Peak Gate Power, 100us
PGM 44 Watts
Average Gate Power
PG(avg) 12 Watts
Operating Temperature Tj -40 to+125 °C
Storage Temperature
TStg. -50 to+150 °C
Approximate Weight 3.5 lb
1.6 Kg
Mounting Force 9000-10000 lbs
40 - 44.5 KNewtons
Information presented is correct to the knowledge and capabilities of the
manufacturer. This information is subject to change without notice. The
manufacturer makes no claim as to suitability for use, reliability, capability or
future availability of this product.
Page 2 of 4
PRX C770__
Fast Switching Thyristor
Powerex, Inc., 173 Pavilion Lane, Youngwood, PA 15697-1800 724-925-7272 WWW.PWRX.COM 2100 Amperes 2000 Volts
Electrical Characteristics, Tj=25°C unless otherwise specified
Rating
Characteristic Symbol Test Conditions min typ max Units
Repetitive Peak Forward
Leakage Current
IDRM Tj=125°C, VDRM=Rated 150 ma
Repetitive Peak Reverse
Leakage Current
IRRM Tj=125°C, VRRM=Rated 150 ma
Peak On-State Voltage
VTM Tj=125°C, ITM=2000A 1.85 V
VTM Model, Low Level V0Tj=125°C 1.271 V
VTM = VO + r•ITM r15% ITM - π•ITM 0.255 mΩ
4-Term A Tj=125°C
-1.657
VTM=A + B•Ln(ITM) + B15%ITM - ITSM 0.527
C•(ITM) + D•(ITM)½C0.000243
D
-0.02197
Turn-On Delay Time
tdVD = 0.5•VDRM 2us
Gate Drive: 40V - 20Ω
Turn-Off Time tq Tj=125°C 60 us
dv/dt = 400V/us to 80% VDRM
Reverse Recovery Current
IR(Rec)
Tj=125°C
1500A -10A/us A
Reverse Recovery Charge
QRR uCoul
dv/dt(Crit) dv/dt Tj=125°C Exp. Waveform 1000 V/us
VD =80% Rated
Gate Trigger Current
IGT Tj=25°C VD = 12V 30 150 250 ma
Gate Trigger Voltage
VGT 0.8 2.0 4.0 V
Peak Reverse Gate Voltage
VGRM 10 V
Thermal Characteristics
Rating
Characteristic Symbol Test Conditions min typ max Units
Thermal Resistance
Junction to Case
RΘjc Double side cooled 0.009 0.010 °C/Watt
Case to Sink
RΘcs Double side cooled 0.0015 0.002 °C/Watt
Thermal Impedance Model
ZΘjc Double side cooled
Σ(A(N)•(1-exp(-t/Tau(N)))) where: N = 1 2 3 4
A(N) = 1.13E-04 7.51E-04 3.53E-03 5.61E-03
Tau(N) = 6.54E-04 1.48E-02 1.89E-01 1.20E+00
Page 3 of 4
PRX C770__
Fast Switching Thyristor
Powerex, Inc., 173 Pavilion Lane, Youngwood, PA 15697-1800 724-925-7272 WWW.PWRX.COM 2100 Amperes 2000 Volts
0.0
1.0
2.0
3.0
4.0
5.0
6.0
100 1000 10000 100000
VTM (V)
ITM (A)
Maximum On-State Voltage Drop
Tj = 125°C
0.0E+00
2.0E-03
4.0E-03
6.0E-03
8.0E-03
1.0E-02
1.2E-02
0.001 0.01 0.1 1 10
Thermal Impedance (°C/Watt)
Time (sec)
MAXIMUM TRANSIENT THERMAL
IMPEDANCE
Page 4 of 4