ASSR-4118-003E Solid State Relay, Photovoltaic Output, Panel Mount Package

ASSR-4118-003E Overview

The ASSR-4118-003E is a high-performance digital solid-state relay designed for industrial applications demanding precise switching and robust isolation. This device integrates an optical coupler with a MOSFET output stage, providing a reliable interface between low-voltage control signals and high-voltage loads. Its compact SMD package supports efficient PCB layout and thermal management, making it ideal for automated machinery and power control systems. With low input current requirements and high surge capability, the ASSR-4118-003E ensures enhanced operational safety and longevity. For detailed specifications and sourcing, visit IC-Hersteller.

ASSR-4118-003E Technical Specifications

Parameter	Spezifikation
Input Control Current (IF)	3 mA (typical)
Output Load Voltage (VDS)	60 V (maximum)
Load Current (ID)	0.18 A (maximum continuous)
Isolation Voltage (VISO)	3750 Vrms (typical)
Betriebstemperaturbereich	-40 ??C to +100 ??C
Turn-On Time	0.1 ms (typical)
Turn-Off Time	0.1 ms (typical)
Paket Typ	SMD (Surface Mount Device), 6-pin

ASSR-4118-003E Key Features

• High Isolation Voltage: Offers 3750 Vrms isolation between input and output, ensuring robust protection against high voltage surges and enhancing system safety.
• Low Input Current: Requires just 3 mA to activate, minimizing the load on control circuitry and improving overall energy efficiency in control systems.
• Fast Switching Times: Typical turn-on and turn-off times of 0.1 ms allow for precise timing control in automated applications, reducing latency and improving system responsiveness.
• Compact SMD Package: The small 6-pin surface mount design facilitates easy integration into densely populated PCBs, aiding in space-saving and thermal management.

ASSR-4118-003E Advantages vs Typical Alternatives

This device provides superior isolation and lower input current requirements compared to traditional electromechanical relays and many solid-state relay alternatives. Its fast switching speed and high surge voltage tolerance enhance operational reliability, while the compact SMD form factor simplifies integration into modern industrial electronics. Together, these features deliver improved energy efficiency, reduced electromagnetic interference, and longer service life in demanding industrial environments.

Typische Anwendungen

• Industrial automation systems requiring reliable isolation and control of high-voltage loads, such as motor drives and conveyor controls, benefit from its fast switching and compact design.
• Power supply switching circuits that need low input power and high voltage isolation for safety and efficiency.
• Signal isolation in measurement and instrumentation equipment to protect sensitive control electronics from voltage spikes and noise.
• Consumer appliance control boards where space constraints and energy savings are critical, enabling compact and efficient designs.

ASSR-4118-003E Brand Info

The ASSR-4118-003E is a product line from a recognized semiconductor manufacturer specializing in optoelectronic components. This solid-state relay series is designed to meet rigorous industrial standards for isolation, durability, and performance. Backed by extensive quality control and advanced manufacturing processes, the device supports a wide range of industrial applications requiring safe and efficient switching solutions. Its reputation for reliability and compliance with safety certifications makes it a preferred choice among engineers and system designers.

FAQ

What is the maximum load voltage that this solid-state relay can handle?

The maximum load voltage rating for this device is 60 V. This ensures it can safely switch and control loads up to this voltage level without risk of damage or breakdown, making it suitable for many industrial and automation applications.

How much input current is required to activate the relay?

The input control current needed to turn on the relay is typically 3 mA. This low input current allows easy interfacing with microcontrollers or logic circuits without placing a heavy current load on the control side.

What is the isolation voltage rating, and why is it important?

The isolation voltage is rated at 3750 Vrms. This high level of electrical isolation protects sensitive control electronics from high voltage spikes and noise on the load side, enhancing system safety and reliability.

What package type is used, and how does it benefit PCB design?

This relay comes in a compact 6-pin surface-mount device (SMD) package. The small size facilitates efficient PCB layout, saves board space, and improves thermal dissipation, which is critical in densely packed industrial electronics.

Can this relay be used in high-temperature environments?

Yes, it is rated to operate within a temperature range from -40 ??C to +100 ??C. This wide range allows use in harsh industrial and outdoor conditions without performance degradation.