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54 | page tel: (401) 943.2686 | fax: (401) 942.0920 DIMENSIONS in Inches (Millimeters) 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 Instrumenta - tion 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 Ma ximum u Low Off-State Leakage Current: 1.0 μA Maximum u I/O Breakdown Voltage: 1500Vrms Minimum u Suffix -H for I/O Breakdown Voltage: 5000Vrms Minimum CS331CT331 TERMINAL IDENTIFICATION 8 76 5 1 23 4 (+) (-) (+) (-) 1,3: Anode (LED) 2,4: Cathode (LED) 5,6,7,8: Drain (MOSFET) CT331/CS331 0.020(0.5) 0.100(2.54) 0.300(7.62) 0.020(0.5) 0.162(4.1) .118(3.0) 0.310(7.87)Max. 0.376(9.54)Max. 0.010(0.25) 0.047(1.2) 0.252(6.4) 0.398(10.1)Max. IDENTIFIES PIN #1 0.134(3.4) 0.154(3.9)Max. 0.004(0.1) 0.051(1.3) 0.010(0.25) 0.406(10.3)Max. 0.047(1.2) 0.252(6.4) 0.398(10.1)Max. 0.020(0.5) 0.100(2.54) 0.300(7.62) IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 55 CT331/CS331 MAXIMUM RATINGS (Ambient Temperature: 25ºC) Parameters Symbol Units Value INPUT SPECIFICATIONS Continuous LED Current IF mA 50mA Peak LED Current IFP mA 500mA LED Reverse Voltage VR V 5V Input Power Dissipation Pin mW 75mW OUTPUT SPECIFICATIONS Load Voltage VL V 350V (AC peak or DC) Load Current IL A 110 mA Peak Load Current IPeak A 0.6A Output Power Dissipation POut mW 600mW RELAY SPECIFICATIONS Total Power Dissipation PT mW 650mW I/O Breakdown Voltage VI/O V 1500Vrms Operating Temperature TOpr -40ºC ~ +85ºC Storage Temperature TStg -40ºC ~ +100ºC CT331/CS331 ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC) Parameters Symbol Test Conditions Units Min Typ Max INPUT LED Forward Voltage VF IF=10mA V 1.0 1.5 Operation LED Current IF On mA 0.9 3.0 Recovery LED Voltage VF Off V 0.5 OUTPUT On-Resistance Drain to Drain ROn IF=5mA, IL=Rating Time to flow is within 1 sec. Ω 17 24 Off-State Leakage Current ILeak VL=350V μA 1.0 Output Capacitance COut VL=0V, f=1MHz pF 115 TRANSMISSION Turn-On Time TOn IF=10mA, IL=Rating ms 0.2 1.0 Turn-Off Time TOff ms 0.05 1.0 COUPLED I/O Insulation Resistance RI/O Ω 109 I/O Capacitance CI/O f=1MHz pF 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.