Click to expand full text
LH1540
HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER
FEATURES • Normally Open, Single Pole Single Throw Operation • Control 350 VAC or DC Voltage • Switch 150 mA Loads • LED Control Current, 1 mA, Typical • Low ON-Resistance, 20 Ω Typ. at 50 mA • Isolation Test Voltage, 3750 VACRMS • Current Limit Protection • Underwriters Lab File # E52744 APPLICATIONS • Telephone Switch Hook • High Voltage Test Equipment • TRIAC Driver • Motor Control • Industrial Control Systems DESCRIPTION The LH1540 is a single pole single throw (SPST), normally open (NO), solid state relay. The relay can control AC or DC loads currents up to 100 mA, with a supply voltage up to 350 V. The device is packaged in a six pin 0.3 inch dual-in line package.