® CT331/CS331 CotoMOS CT331/CS331 The CT331 and CS331 feature current switching capability to 110mA with a low on resistance of 24Ω Maximum. Designed for Security, Measurement and Instrumentation applications the CotoMOS® relay is capable of handling 350V load conditions. If your requirements are different please contact your Coto Applications Engineer for assistance through www.cotorelay.com. CT331/CS331 Features u Contact Form: 2a u Load Voltage: 350V Maximum u Operation LED Current: 3.0mA Maximum u Load Current: 110mA Maximum u On-Resistance: 24Ω Maximum u Low Off-State Leakage Current: 1.0μA Maximum u I/O Breakdown Voltage: 1500Vrms Minimum u Suffix -H for I/O Breakdown Voltage: 5000Vrms Minimum DIMENSIONS in Inches (Millimeters) CT331 CS331 0.398(10.1)Max. 0.398(10.1)Max. 0.047(1.2) IDENTIFIES PIN #1 0.020(0.5) 0.010(0.25) 0.100(2.54) IDENTIFIES PIN #1 0.051(1.3) 0.406(10.3)Max. 0.252(6.4) 0.010(0.25) 0.376(9.54)Max. 0.252(6.4) 0.310(7.87)Max. 0.047(1.2) 0.134(3.4) 0.004(0.1) 0.154(3.9)Max. 0.020(0.5) 0.162(4.1) 0.020(0.5) 0.300(7.62) .118(3.0) 0.100(2.54) 0.300(7.62) TERMINAL IDENTIFICATION 8 7 6 5 1 2 3 4 (+) (-) (+) (-) 1,3: Anode (LED) 2,4: Cathode (LED) 54 | page 5,6,7,8: Drain (MOSFET) tel: (401) 943.2686 | fax: (401) 942.0920 CT331/CS331 MAXIMUM RATINGS (Ambient Temperature: 25ºC) Parameters INPUT SPECIFICATIONS Symbol Units Value Continuous LED Current IF mA 50mA Peak LED Current IFP mA 500mA LED Reverse Voltage VR V 5V Input Power Dissipation Pin mW 75mW Load Voltage VL V 350V (AC peak or DC) Load Current IL A 110mA OUTPUT SPECIFICATIONS Peak Load Current IPeak A 0.6A Output Power Dissipation POut mW 600mW Total Power Dissipation PT mW 650mW I/O Breakdown Voltage VI/O V 1500Vrms Operating Temperature TOpr -40ºC ~ +85ºC Storage Temperature TStg -40ºC ~ +100ºC RELAY SPECIFICATIONS CT331/CS331 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC) Parameters INPUT LED Forward Voltage Symbol Test Conditions Units Min VF IF=10mA V 1.0 Operation LED Current IF On mA Recovery LED Voltage VF Off V Typ Max 1.5 0.9 3.0 17 24 0.5 OUTPUT On-Resistance Drain to Drain ROn IF=5mA, IL=Rating Time to flow is within 1 sec. Ω Off-State Leakage Current ILeak VL=350V μA Output Capacitance COut VL=0V, f=1MHz pF 115 ms 0.2 1.0 ms 0.05 1.0 1.0 TRANSMISSION Turn-On Time TOn Turn-Off Time TOff IF=10mA, IL=Rating COUPLED I/O Insulation Resistance RI/O I/O Capacitance CI/O Ω f=1MHz pF 109 1.3 Environmental Ratings: Operating Temp: -40°C to +85° C; Storage Temp: –40 to +100 C. All electrical parameters measured at 25° C unless otherwise specified. For most recent data visit www.cotorelay.com COTO TECHNOLOGY, INC. page | 55