1. Reed Relays - Key benefits - Provide galvanic isolation between control circuits and loads - Compact form factor suitable for space constrained designs - Glass sealed reed contacts deliver reliable switching and low leakage - Low coil power requirements support battery powered and portable use - Fast actuation with repeatable performance and long life - Low contact resistance and good insulation resistance - Key attributes - Function: magnetic actuation to switch electrical loads with electrical isolation - Configuration and compatibility: available in SPST, SPDT, DPDT configurations; coil voltages and load ratings vary by model; suitable for PCB mounting and socket mounting - Size and construction: compact glass envelope with metal reeds; coil wound around ferrite core; encapsulated assembly - Material: reed contacts typically silver alloy; glass envelope; epoxy encapsulation - Performance: fast switching, low bounce, high isolation, long mechanical life; operate over broad temperature ranges depending on model - Environmental: sealed for dust and moisture resistance; compatible with standard circuit environments - Applications and use scenarios - Scenario 1: Instrumentation and data acquisition systems routing low level control signals while maintaining isolation between the control logic and the measurement circuit - Scenario 2: Medical devices and portable equipment requiring compact relays with safe isolation in compact form factors - Scenario 3: Automotive instrumentation and consumer electronics where space is limited and reliable signal switching is needed - Model guidance - Availability varies by model; consult specific datasheet for coil voltage, contact configuration, material, load ratings, and life expectancy