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LH1550

Part Number	LH1550
Manufacturer	Siemens Semiconductor Group
Description	HIGH VOLTAGE/ SOLID STATE RELAY OPTOCOUPLER
Published	Mar 22, 2005
Detailed Description	LH1550 HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER FEATURES • Normally Open, Single Pole Single Throw Operation • Contro...
Datasheet	LH1550 PDF File

Overview

LH1550 HIGH VOLTAGE, SOLID STATE RELAY OPTOCOUPLER FEATURES • Normally Open, Single Pole Single Throw Operation • Control 350 VAC or DC Voltage • Switch 100 mA Loads • LED Control Current, 2.
5 mA • Low ON-Resistance, 37 Ω Typ.
at 100 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 LH1550 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 dualin line package.
This package offers an insulation dielectric withstand of 3750 VRMS.
The coupler consists of a AlGaAs LED that is optically coupled to a dielectrically isolated photodiode array which drives two series connected high voltage MOS transistors.
The typical ON-Resistance is 37 Ω a...

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