ND431825 TM Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK www.pwrx.com Dual SCR Isolated Module 250 Amperes / 1800 Volts Description: OUTLINE DRAWING Powerex Dual SCR Modules are T - M8 THD. (3 TYP.) M K designed for use in applications U - DIA. (4 TYP.) requiring phase control and isolated A AK K1 packaging. The modules are isolated G1 G J N G2 for easy mounting with other K2 K components on a common heatsink. TM POW-R-BLOK has been tested and C S B A recognized by the Underwriters W V Q Laboratories. P W ND431825 D E F H Features: L Dual SCR Isolated TM Electrically Isolated Heatsinking R POW-R-BLOK Module Aluminum Nitride Insulator 250 Amperes / 1800 Volts Compression Bonded Elements K1 SCR 1 Metal Baseplate G1 K AK Low Thermal Impedance SCR 2 for Improved Current Capability A G2 Quick Connect Gate Terminal K2 with Provision for Keyed Mating Plug CONNECTION DIAGRAM UL Recognized ND43 Outline Dimensions Ordering Information: Benefits: Select the complete eight digit Dimension Inches Millimeters No Additional Insulation module part number from the table A 4.57 116 Components Required below. B 3.66 93 Easy Installation Example: ND431825 is a 1800Volt, No Clamping Components 250 Ampere Dual SCR Isolated C 3.15 80.0 TM Required POW-R-BLOK Module D 2.17 55.1 Reduce Engineering Time E 2.06 52.3 F 2.07 52.0 Current Voltage G 1.97 50.0 Amperes Volts Type Applications: H 1.90 48.3 (x 10) (x100) Bridge Circuits J 1.50 38.1 AC & DC Motor Drives ND43 18 25 K 1.38 35.0 Battery Supplies L 1.26 32.0 Power Supplies M 1.122 28.5 Large IGBT Circuit Front Ends N .71 18.0 P .57 14.5 Q .625 15.9 R .394 10.00 S .350 8.9 T M8 Metric M8 U .250 Dia. 6.35 Dia. V .110 x .032 2.8 x 0.8 W .12 3.0 Note: Dimensions are for reference only. Revision Date: 05/17/2010 ND431825 TM Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK www.pwrx.com Dual SCR Isolated Module 250 Amperes / 1800 Volts Absolute Maximum Ratings Characteristics Conditions Symbol Units Repetitive Peak Forward and Reverse Blocking V & V 1800 V DRM RRM Voltage Non-Repetitive Peak Reverse Blocking Voltage V 1900 V RSM (t < 5 msec) RMS Forward Current 180 Conduction, T=84C I 393 A C T(RMS) Average Forward Current 180 Conduction, T=84C I 250 A C T(AV) Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V reapplied I 8800 A RRM TSM Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100%V reapplied I 4685 A RRM TSM Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V reapplied I 4040 A RRM TSM 2 2 2 I t for Fusing for One Cycle, 8.3 milliseconds It 322,000 A sec Maximum Rate-of-Rise of On-State Current, di/dt 800 A/s T =25C, I =500mA, j G (Non-Repetitive) V =0.67 V I = I , D DRM (Rated), TM T(AV) T < 0.5s, t > 6s r p Peak Gate Power Dissipation P 16 W GM Average Gate Power Dissipation P 3 W G(AV) Peak Forward Gate Current I 4 A GFM Peak Forward Gate Voltage V 10 V GFM Peak Reverse Gate Voltage V 5 V GRM Operating Temperature T -40 to +130 C J Storage Temperature T -40 to +150 C stg Max. Mounting Torque, M6 Mounting Screw 45 in.-Lb. 5 Nm Max. Mounting Torque, M8 Terminal Screw 110 in.-Lb. 12 Nm Module Weight, Typical 840 g 1.85 lb V Isolation 25C V 2500 V rms Revision Date: 05/17/2010