H12CD4850

H12C Series Ratings from 25A to 125A 48-660 VAC SCR output for heavy industrial loads AC or DC control Zero-crossing (resistive loads) or random-fire (inductive loads) output PRODUCT SELECTION Control Voltage 25A 50A 90A 4-15 VDC H12CD4825 H12CD4850 H12CD4890 90-140 Vrms H12CA4825 H12CA4850 H12CA4890 AVAILABLE OPTIONS OUTPUT SPECIFICATIONS (1) Description 25A 50A 90A Operating Voltage (47-63Hz) Vrms 48-660 48-660 48-660 Transient Overvoltage Vpk 1200 1200 1200 Maximum Off-State Leakage Current Rated Voltage mArms 1.0 1.0 1.0 Minimum Off-State dv/dt Maximum Rated Voltage V/sec (2) 500 500 500 Maximum Load Current (3) Arms 25 50 90 Minimum Load Current mArms 150 150 150 Maximum Surge Current (16.6ms) Apk 250 625 1200 Maximum On-State Voltage Drop Rated Current Vpk 1.6 1.6 1.6 Thermal Resistance Junction to Case (Rjc) C/W 1.02 0.63 0.28 Maximum I t for Fusing (8.3 msec) A sec 260 1620 6000 Minimum Power Factor (with Maximum Load) 0.5 0.5 0.5 ObsoleteINPUT SPECIFICATIONS (1) Description H12CD H12CA Control Voltage Range 4-15 VDC 90-140 Vrms Minimum Turn-On Voltage 4.0 VDC 90 VAC Minimum Turn-Off Voltage 1.0 VDC 10.0 VAC Typical Input Current 15 mA 15 mA Nominal Input Impedance 300 Ohm 8K Ohm Maximum Turn-On Time msec (4) 1/2 Cycle 10 Maximum Turn-Off Time msec 1/2 Cycle 40 GENERAL SPECIFICATIONS Description Parameters Dielectric Strength, Input/Output/Base (50/60Hz) 4000 Vrms 9 Minimum Insulation Resistance ( 500 V DC) 10 Ohm Maximum Capacitance, Input/Output 8 pF Ambient Operating Temperature Range -40 to 80 C Ambient Storage Temperature Range -40 to 125 C Weight (typical) 3 oz (86.5 g) Encapsulation Thermally conductive Epoxy Terminals Screw and saddle Clamps Furnished, Unmounted Recommended Terminal Screw Torque Range: 6-32 Screws - 10 in/lbs. 8-32 & 10-32 Screws - 20 in. lbs. (Screws dry without grease) Fastons: Double pair* (50A model only) Caution: User must connect to both pairs GENERAL NOTES 1) All parameters at 25C unless otherwise specified. 2) Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1 3) Heat sinking required, for derating curves see page 2. 4) Turn-on time for DC random turn-on versions is 0.02 msec (DC Control Models). Obsolete