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| Semitronics Features * * * * * * Current Limiting Optical Isolation 500V min Thermal Shutdown Compact Hermetic Package Custom Option Available. Available to Military Y Level Solid-State Relays CT501 0.2 Amp 70 Volt DC Solid State Relay CT501 1 ** 6 2 5 Applications * * * * Aircraft Power Switching Process Controls Automatic Test Equipment Automotive Applications 3 4 ** Current Limiting and Thermal Shutdown Description The CT-501 is a single pole DC solid-state relay featuring current limiting and thermal shutdown. The input is a single LED, typical control current is 20 mA. The main intended application is in 28V aircraft systems. When used in this application the relay can withstand a direct short on the output. The thermal shutdown will then keep the output in the off state until the temperature drops. The output will then attempt to turn back on. There is no need to re-cycle the input. The relay is packaged in a 6 pin hermetic package, with a 4 pin half size crystal can package as an option. Additional options of ON resistance and output voltage are also available as well as commercial grade relays. Please consult our sales department for further information regarding specific requirements. Full custom solid-state relay design services are also available. 0302 TOP VIEW BOTTOM VIEW SEMITRONICS CT-501 SOLID-STATE RELAY USA Semitronics, 64 Commercial St. Freeport, NY 11520 Tel (516) 623-9400 / Fax (516) 623-6954 Page 1 of 2 Semitronics Absolute Maximum Ratings Parameter LED Forward Current LED Forward Current LED Reverse Voltage Output Voltage Output Current Operating Temperature Storage Temperature Isolation Voltage Steady State Peak 10% Duty Cycle Reverse Current -10A Open Circuit I LED = 20 mA Solid-State Relays CT501 Limits Min Max 50 75 5 70 0.3 +100 +150 Units mA mA V V A C C Vrms -55 -55 500 Electrical Characteristics @25C unless otherwise specified Parameter LED Forward Voltage LED Reverse Current Minimum LED Current Off State Leakage On Resistance Turn-on Time Turn-off Time Isolation Resistance Power Dissipation Input to Output Capacitance Symbol Vf LED Ir LED I min Voff Ron Ton Toff Riso Pd Cio Test Conditions I LED = 20 mA Vr = -5 V Rated Load I LED = 10 A, Vo = 60 V I LED = 20 mA, Io = 200 mA I LED = 20 mA, Rated Load I LED = 0 mA Input to Output 500 Vrms 1 kHz, 1 Vrms Limits Min 1.1 -5.0 10.0 1.0 2.0 1.0 2.0 1000 1.0 5.0 Max V A mA A mS mS M W pf Units Ordering Information: CT501 Semitronics Standard Testing and Screening for Industrial Applications. CT501M Testing and Screening for Military Applications. See MIL-PRF-28750D. Semitronics, 64 Commercial St. Freeport, NY 11520 Tel (516) 623-9400 / Fax (516) 623-6954 Page 2 of 2 |
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