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 4-15 VDC 90-140 Vrms 25A 50A 90A H12CD4825 H12CA4825 H12CD4850 H12CA4850 H12CD4890 H12CA4890 AVAILABLE OPTIONS OUTPUT SPECIFICATIONS (1) Description Operating Voltage (47-63Hz) [Vrms] Transient Overvoltage [Vpk] Maximum Off-State Leakage Current @ Rated Voltage [mArms] Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec] (2) Maximum Load Current (3) [Arms] Minimum Load Current [mArms] Maximum Surge Current (16.6ms) [Apk] Maximum On-State Voltage Drop @ Rated Current [Vpk] Thermal Resistance Junction to Case (Rjc) [°C/W] Maximum I² t for Fusing (8.3 msec) [A² sec] Minimum Power Factor (with Maximum Load) 25A 50A 90A 48-660 1200 1.0 500 25 150 250 1.6 1.02 260 0.5 48-660 1200 1.0 500 50 150 625 1.6 0.63 1620 0.5 48-660 1200 1.0 500 90 150 1200 1.6 0.28 6000 0.5 INPUT SPECIFICATIONS (1) Description H12CD H12CA Control Voltage Range Minimum Turn-On Voltage Minimum Turn-Off Voltage Typical Input Current Nominal Input Impedance Maximum Turn-On Time [msec] (4) Maximum Turn-Off Time [msec] 4-15 VDC 4.0 VDC 1.0 VDC 15 mA 300 Ohm 1/2 Cycle 1/2 Cycle 90-140 Vrms 90 VAC 10.0 VAC 15 mA 8K Ohm 10 40 GENERAL SPECIFICATIONS Description Dielectric Strength, Input/Output/Base (50/60Hz) Minimum Insulation Resistance (@ 500 V DC) Maximum Capacitance, Input/Output Ambient Operating Temperature Range Ambient Storage Temperature Range Weight (typical) Encapsulation Terminals Recommended Terminal Screw Torque Range: Fastons: Parameters 4000 Vrms 109 Ohm 8 pF -40 to 80 °C -40 to 125 °C 3 oz (86.5 g) Thermally conductive Epoxy Screw and saddle Clamps Furnished, Unmounted 6-32 Screws - 10 in/lbs. 8-32 & 10-32 Screws - 20 in. lbs. (Screws dry without grease) Double pair* (50A model only) Caution: User must connect to both pairs GENERAL NOTES 1) 2) 3) 4) All parameters at 25°C unless otherwise specified. Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1 Heat sinking required, for derating curves see page 2. Turn-on time for DC random turn-on versions is 0.02 msec (DC Control Models). MECHANICAL SPECIFICATIONS THERMAL DERATE INFORMATION AGENCY APPROVALS UL E116949 CSA LR81689 VDE 10143 UG Rev. 020309 ANNEX - ENVIROMENTAL INFORMATION