Introducing Standex Detect, a New Name in Precision Electronics

Standex Detect is part of the newly rebranded Standex Electronics family. Our focus remains on precision reed switches, sensors, and relays that deliver the right design, at the right time, at the optimal cost. Read our press release to learn more about how this change strengthens our global collaboration and innovation.

Read the Standex Electronics Rebrand Announcement

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  Standex Detect reed switches provide reliable, hermetically sealed switching for position, proximity, and sensing applications. Available in a wide range of sizes, power ratings, and configurations, they deliver durability, precision, and long operating life.
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- Proximity Sensors
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    Proximity Sensors
    Standex Detect proximity sensors use reed, Hall effect, and magnet detection for accurate, contactless sensing. From automotive and industrial equipment to appliances and security systems, they provide safe and seamless integration.
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    Position Sensors
    Standex Detect position sensors deliver accurate feedback for movement, rotation, and alignment using reed, Hall effect, and magnet detection. Designed in multiple mounting styles, they ensure reliable performance in automotive, industrial, and medical applications.
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  - Flange/Screw Mount Position Sensors
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    Liquid Level Sensors and Floats
    Standex Detect liquid level sensors provide single-point, multipoint, and continuous measurement using reed, conductive, and Hall effect technologies. They deliver reliable performance across water, fuel, chemical, and coolant applications.
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  - Single Point Liquid Level Sensors
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    Magnets and Actuators
    Standex Detect magnets and actuators deliver consistent magnetic strength and durability for sensing and actuation needs. Available in bare or packaged formats, they integrate with reed and Hall effect sensors across automotive, industrial, and medical applications.
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    Reed Relays
    Standex Detect reed relays combine hermetically sealed reed switch technology with optimized coils for high reliability and long life. Available in multiple configurations, they serve medical, telecom, and industrial applications.
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  - Intrinsically Safe Relays
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    Photo-MOSFET Relays
    Standex Detect Photo-MOSFET relays deliver compact solid-state switching with fast response, silent operation, and long life. Supporting high voltage and current handling, they provide durable, bounce-free performance in demanding environments.
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  - All Photo-MOSFET Relays
  - DIP Photo-MOSFET Relays
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  - High Current > 1A Photo-MOSFET Relays
  - High Voltage > 600V Photo-MOSFET Relays
  - High Voltage > 1.5kV Photo-MOSFET Relays
  - Low Capacitance Photo-MOSFET Relays
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    Optocouplers
    Standex Detect optocouplers provide galvanic isolation and solid-state switching for analog and digital signals. With fast response, low capacitance, and high insulation, they deliver reliable performance in medical, industrial, and hazardous environments.
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  - ATEX and IECEx Certified
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    Appliances
    The appliance industry is rapidly evolving with smart home integration, energy efficiency, and user-focused design. From high-efficiency washers and refrigerators to connected kitchen appliances, reed switches, sensors, and relays deliver reliable performance and safety.
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    Computing and Data Centers
    Data centers power cloud, AI, and global communications. Advanced reed switches, sensors, and relays support OEMs, integrators, and infrastructure providers in building systems that are smarter, safer, and more resilient.
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    Construction and Agriculture
    From construction sites to fields, rugged reed switches, sensors, and relays keep heavy equipment safe and efficient. Technologies support electrification, automation, and precision in demanding environments.
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    Consumer electronics demand performance, miniaturization, and reliability. From wearables and smart devices to next-gen gaming consoles, Reed switches, sensors, and relays ensure seamless, dependable digital experiences.
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    Industrial and Automation
    In the age of Industry 4.0, manufacturers need components that are smart, scalable, and rugged. Standex Detect partners with OEMs to deliver custom reed switches, sensors, and relays that optimize performance, reduce downtime, and enable intelligent control.
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  - Factory Automation
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    Medical Devices
    The medical industry requires precision, reliability, and compliance. From surgical robotics and imaging systems to monitoring and therapy equipment, reed switches, sensors, and relays support innovation and patient safety.
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    Renewable Energy
    The renewable energy market is expanding with decarbonization and distributed systems. From utility-scale batteries and solar inverters to wind turbines, reed switches, sensors, and relays enable efficient, safe, and reliable energy flow.
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    Safety and Security
    The security industry is advancing with smart infrastructure, automation, and real-time monitoring. From access control and intrusion detection to emergency response, reed switches, sensors, and relays safeguard people and property.
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  - Alarm and Security Systems
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    Test and measurement depend on precision, repeatability, and accuracy. From validating sensors and semiconductors to compliance and safety testing, reed switches, sensors, and relays deliver high-performance, reliable results.
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    Transportation
    Transportation is transforming through electrification, autonomy, and sustainability. From EVs and charging stations to aircraft, marine, and heavy vehicles, reed switches, sensors, and relays enable safer, smarter mobility.
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  - Buses, Trucks and Utility Vehicles
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    Utilities require reliability, safety, and fast responsiveness. From smart grids and water treatment systems to substation monitoring, reed switches, sensors, and relays keep critical infrastructure running efficiently and securely.
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    This is where you can find all of the frequently asked questions related to Reed Switches, Reed Sensors, Reed Relays, Magnets, etc. Select a category to get started.
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  - Switches FAQ
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    Reed Technology Academy
    Dive into our expertly curated Reed Technology Academy for comprehensive training and technical guides. Whether you’re an engineer, designer, or curious learner, gain practical insights into reed switch design, functionality, and applications.
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  - Reed Switch Characteristics
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    At Standex Detect, excellence is more than a standard, it’s a mindset. From how we collaborate with customers to the way we engineer and deliver solutions, we’re driven by a commitment to quality, innovation, and performance. Explore the principles and practices that define how we operate and differentiate us in the market.
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Home Products and Components Relays Photo-MOSFET Relays SMD Photo-MOSFET Relays

SMD Photo-MOSFET Relays

Surface-Mount Device (SMD) Photo-MOSFET relays optimized for automated assembly and compact designs. These relays provide high performance in signal integrity and are ideal for consumer electronics and instrumentation.

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Custom Relays

SMP-30 Photo-MOSFET Relay
SMP-31 Photo-MOSFET Relay
SMP-36 Photo-MOSFET Relay
SMP-37 Photo-MOSFET Relay
SMP-38 Photo-MOSFET Relay
SMP-40 Photo-MOSFET Relay
SMP-42 Photo-MOSFET Relay
SMP-45 Photo-MOSFET Relay
SMP-47 Photo-MOSFET Relay
SMP-58 Series Photo-MOSFET Relay
SMP-74 Photo-MOSFET Relay

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Fairfield, OH 45014
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