SIR2B20B4

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One of the more popular and versatile Solid State Relays (SSRs) on the market today is the SIR2B20B4 SSR. It offers a premium performance design for applications where a simple, compact, and reliable switching device is needed. The SSR is designed for use in high-power, high-voltage applications ranging from 0V to 70V, with a load current up to 500 amps, and a temperature range of -40°C to +85°C.

The SIR2B20B4 SSR is essentially a three-terminal solid-state switching device, where one terminal is power input and the second is power output, with the third serving as a control terminal. It is constructed from a combination of silicon bipolar technology and advanced power switch technology, which ensures consistent switching action, and low on-state resistance. The SSR’s design also provides excellent thermal dielectric strength, resulting in exceptional performance when exposed to high-voltage and high-power applications.

The SIR2B20B4 SSR is well-suited for applications such as induction heating, autoclave, wave soldering, welding, and other applications involving high power levels. It can also be used to control DC motors, transformers, and contactors, as well as to support the control of mid-high power loads such as incandescent bulbs, fluorescent lamps, heaters, and air conditioning units. It is widely used in many of the industrial, commercial, and residential applications where a reliable and cost-effective switch is required.

The SIR2B20B4 SSR is designed to be a two-stage, dual-mode, and bidirectional switching device, which makes it a perfect choice for interfacing directly with low power dc sensors and controllers, as well as providing load control in many applications. It employs either a transistor-transistor logic (TTL) or open collector logic, which makes it suitable for integrated circuit and microcontroller-based systems. It also provides built-in protections such as voltage, current, and thermal overload protection, as well as surge and short-circuit protection.

The SIR2B20B4 SSR is available in a variety of package and terminal types, allowing for increased design flexibility and application versatility. It has a 0.25″ mounting height, and utilizes a slotless construction for minimal complexity in terms of installation and maintenance. The SSR is also designed to provide extremely fast switching times, with a maximum on-state resistance of 0.5 ohms, and a peak on-state current rating of up to 500 amps. The SSR also features diode suppressers to reduce voltage spikes, and comes with a 6 pin DIP connector for secure connection of both power input and output.

The SIR2B20B4 SSR is UL and CSA approved for residential and commercial use, and is backed by a 24-month warranty. It is an excellent choice for many of the high-power, high-voltage switching applications that require premium performance, reliability, and affordability.

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