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42 | page tel: (401) 943.2686 | fax: (401) 942.0920 DIMENSIONS in Inches (Millimeters) CotoMOS C237S/C337S When small size and high performance are needed, the SOP package, such as the C237S or C337S, is the industry choice. Both the C237S and the C337S feature low on resistance fast turn on time. In addition, the C337S offers two fully-independent form A channels for further space savings. Both relays are ideally suited to the needs of Test and Measurement, Industrial, and Telecommunications. C237S/C337S Features u Contact Form: C237S: 1a / C337S: 2a u Load Voltage: 60V Maximum u Operation LED Current: 3.0mA Maximum u Load Current: C237S: 350mA Maximum / C337S: 320mA Maximum u On-Resistance: 1.6Ω Ma ximum u Output Capacitance: 195pF Typical u Low Off-State Leakage Current: 1.0 mA Maximum C337SC237S TERMINAL IDENTIFICATION 1 2 (+) (-) 1: Anode (LED) 2: Cathode (LED) 3,4: Drain (MOSFET) TERMINAL IDENTIFICATION 8 76 5 1 23 4 (+) (-) (+) (-) 1,3: Anode (LED) 2,4: Cathode (LED) 5,6,7,8: Drain (MOSFET) C237S/C337S 0.016(0.4) 0.173(4.4) 0.100(2.54) 0.181(4.6) Max. 0.079(2.0) 0.100(2.55)Max. 0.200(0.5) 0.006(0.15) 0.280(7.1)Max. 0.006(0.15) IDENTIFIES PIN #1 0.100(2.54) 0.016(0.4) 0.300(7.62) 0.173(4.4) 0.382(9.7) Max. 0.079(2.0) 0.100(2.55)Max. 0.006(0.15) 0.200(0.5) 0.006(0.15) 0.280(7.1)Max. IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com page | 43 C237S/C337S 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 60V (AC peak or DC) Load Current IL A 350mA (1Ch) / 320mA (2Ch) Peak Load Current IPeak A 2.0A Output Power Dissipation POut mW 200mW (1Ch) / 400mW (2Ch) RELAY SPECIFICATIONS Total Power Dissipation PT mW 225mW (1Ch) / 450mW (2Ch) I/O Breakdown Voltage VI/O V 1500Vrms Operating Temperature TOpr -40ºC ~ +85ºC Storage Temperature TStg -40ºC ~ +100ºC C237S/C337S 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 0.8 1.6 Off-State Leakage Current ILeak VL=60V mA 1.0 Output Capacitance COut VL=0V, f=1MHz pF 195 TRANSMISSION Turn-On Time TOn IF=5mA, IL=Rating ms 0.35 1.5 Turn-Off Time TOff ms 0.05 0.2 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.