ELM 1-920

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ELMs, also known as spacers and standoffs, are engineered plastic parts that range in shape and size. They are commonly used to add rigidity and strength to electronic packages. Through their application, the printed circuit boards (PCB) can be accurately and safely mounted onto a chassis or enclosure. They also provide an accurate mounting base and keep the PCB away from contacts and components of the chassis. This article will cover the application fields and working principle of ELM 1-920.

ELM 1-920, also known as standoffs, is a polystyrene-based foam that is used to provide mounting strength and rigidity to an enclosure. Its dimensions are 6.35 mm (1/4") across and 9.53 mm (25/64") in length. It is designed to support a wide range of applications and offers an effective way to mount and secure PCBs in place. From its design, it is evident that its purpose is to hold the circuit board and chassis firmly apart. This ensures that the PCB is securely held in place and also prevents any kind of damage to the board due to contact with the chassis.

Depending on the specific application requirements and the desired effect, ELM 1-920 is available in three different versions such as low-strengthened, medium-strengthened, and high-strengthened adhesive. The low-strengthened adhesive offers a tight bond between the PCB and the chassis. The medium-strengthened adhesive offers a stronger binding force between the two materials. The high-strengthened adhesive is the most expensive of the three, but offers the highest level of strength and durability. All three adhesives are designed to offer a secure grip and a strong bond between the PCB and the chassis.

ELM 1-920 is a very effective solution for mounting and securing PCBs. It can support a variety of components such as active and passive components, connectors and socket, potentiometers, screws, nuts, and much more. It is also suitable for use in a wide range of applications such as automotive, consumer electronics, medical instrumentation, security, and industrial automation systems. Not only does it provide a secure fit and a strong bond, but it also offers added protection from EMI and RFI interference.

The working principle of ELM 1-920 is simple yet effective. The adhesive is applied directly to the back of the PCB and then attached to the chassis by using bolts, nuts, screws, or adhesive. Once the adhesive is applied, the adhesive then forms a strong bond that holds the PCB firmly in place. This prevents any movement of the PCB and allows it to be safely installed into a socket or enclosure.

In conclusion, ELM 1-920 is a versatile and highly effective solution for securing and mounting PCBs in place. It offers a range of features and benefits that make it an ideal choice for many applications. From automotive, consumer electronics, medical instrumentation, security, and industrial automation systems, ELM 1-920 is highly recommended for its strength, durability, and ease of installation. Not only does it offer a secure mounting and a strong bond, but it also helps reduce EMI and RFI interference.

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