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ND42__25 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com POW-R-BLOKTM Dual SCR/Diode Isolated Module 250 Amperes / Up to 1600 Volts Description: OUTLINE DRAWING Powerex Dual SCR/Diode Modules are designed for use in applications requiring phase control and isolated packaging. The modules are isolated for easy mounting with other components on a common heatsink. TM POW-R-BLOK has been tested and recognized by the Underwriters Laboratories. T - M8 THD. (3 TYP.
ND42__25 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.
ND42__25 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com POW-R-BLOKTM Dual SCR/Diode Isolated Module 250 Amperes / Up to 1600 Volts Electrical Characteristics, TJ=25°C unless otherwise specified Characteristics Symbol Test Conditions Repetitive Peak Forward Leakage Current IDRM Up to 1600V, TJ=130°C 50 mA Repetitive Peak Reverse Leakage Current IRRM Up to 1600V, TJ=130°C 50 mA Peak On-State Voltage Min. Max. Units VTM /VFM ITM /IFM =625A 1.
ND42__25 POW-R-BLOKTM Dual SCR/Diode Isolated Module 250 Amperes / Up to 1600 Volts Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com Maximum On-State Forward Voltage Drop Maximum Transient Thermal Impedance ( Tj = 130 °C ) (Junction to Case, Per Junction) 5.00 0.14 Thermal Impedance - Rjc - °C/W On-State Voltage - Vtm - Volts 0.12 4.00 3.00 2.00 1.00 0.1 0.08 0.06 0.04 0.02 0.00 10 100 1000 0 10000 0.001 0.01 0.
ND42__25 POW-R-BLOKTM Dual SCR/Diode Isolated Module 250 Amperes / Up to 1600 Volts Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com Total Power Dissipation vs Maximum Rated Output Current Powerex ND42--25 Pow-R-Blok 6-Pulse Bridge 2000 2000 2000 1800 1800 1600 1600 1400 1400 1200 0.06 1200 1200 1000 1000 1000 0.02 1800 0.015 0.01 Rth S-A (C/W) 0.025 0.03 1600 1400 0.05 800 0.08 0.10 800 800 600 600 400 400 200 200 0.12 600 0.
