MT-series Metal Dome
Shan yo Triangle metal dome
In the realm of electronic device manufacturing, Sanyo stands out as a renowned producer of tactile metal dome switches, which play a pivotal role in the interaction systems of electronic devices. Unlike traditional silicone buttons, the conductive film employed by Sanyo offers an enhanced tactile experience and superior durability. This not only elevates user satisfaction but also boosts overall product productivity.
The metal dome of the switch is positioned on the conductive section of the printed circuit board (PCB), typically above the gold finger. When the switch is pressed, the center of the dome collapses, making contact with the circuit and forming an electrical loop. This mechanism enables the seamless operation of the electronic device.
The T - Series metal dome is particularly notable. With a diameter ranging from 4mm to 12mm and a force range of 100g to 5000g, it surpasses the standard actuation force of 600g for domes of the same diameter. Most triangular snap domes feature two legs, allowing for effortless insertion into circuit board holes for secure fixation. This design significantly reduces production time and costs. However, it is advisable not to solder these domes to the PCB, as this can compromise their service life and tactile feedback.
metal dome switches:
Shan yo T - Series Metal Domes: Core to Electronic Interaction
T - Series Metal Domes are vital in electronic device interaction. Unlike traditional silicone buttons, their conductive film offers better touch, higher durability, and increased production efficiency. Placed on the PCB's conductive part, typically above the gold finger, they complete an electrical circuit when pressed, powering the product.
The triangular T - Series metal dome suits various electronics, from toys and phones to medical devices. It can be mounted on PCBs, curved circuits, or membrane switch panels. Its shape ensures excellent tactile feedback and reliable activation.
Key Features and Uses
Flexible Mounting: Triangular design allows easy installation on double - sided PCBs, flexible circuits, and panels, ideal for many devices.
Tactile Feedback: Clear, precise touch response helps users confirm actions, improving user experience.
Durable: Built to withstand frequent use, ensuring long - term reliability.
Wide Application: Used in consumer electronics, automotive, industrial, and other sectors.
Easy Integration: Fits well into electronic assemblies, enhancing device function and usability.
In short, T - Series snap domes are versatile and crucial for tactile and functional aspects of electronics across industries. Their reliability and tactile quality make them a top choice.
metal dome tactile switch fabricators
Legged Design: These metal domes typically feature two legs (feet) that can be inserted into holes in the circuit board. This design ensures secure fixation without the need for adhesive tape. It also allows them to withstand high temperatures, making them suitable for environments where heat resistance is required. They are sometimes referred to as "metal domes with legs."
The T-series snap domes are categorized into four types:
NT-series: No legs
These domes do not have any legs. They are typically designed for applications where adhesive tape or another method of secure attachment is used to fix the dome in place on the circuit board or membrane.
ST-series: Two short legs (0.8 mm x 0.8 mm)
Snap domes in this series feature two short legs, each measuring 0.8mm in width and 0.8mm in length. These short legs are designed to be inserted into corresponding holes on the circuit board, providing a secure mechanical attachment without the need for adhesive. The ST-series is suitable for applications where a compact size and secure fixation are important.
MT-series: Two medium legs (0.8 mm x 1.5 mm)
This series includes snap domes with two middle legs. The legs in the MT-series are 0.8mm wide and 1.5mm long. These dimensions offer a balance between secure attachment and stability. The MT-series is commonly used in applications where moderate force and durability are required.
LT-series: Two long legs (0.8 mm x 3.0 mm)
Snap domes in the LT-series feature two long legs, each measuring 0.8mm in width and 3.0mm in length. The longer legs provide a more robust mechanical attachment, making them suitable for applications where the snap dome may be subjected to higher forces or where additional stability is needed. The LT-series is often chosen for devices that require a strong tactile response and durability.
Each series within the Tactile snap domes offers specific advantages based on the length and type of legs, catering to different mounting requirements and force applications. Designers can select the appropriate series based on factors such as space constraints, required force sensitivity, and environmental conditions to optimize the performance and reliability of electronic assemblies and devices.
metal domes manufacturer
A snap dome, also known as a metal dome or tactile metal dome switch, stands out compared to traditional silicone keys. The conductive film it uses provides a more satisfying tactile experience and a longer service life. Moreover, it can indirectly enhance the production efficiency of various switches that incorporate conductive films.
The metal snap domes in a snap dome switch are situated on the conductive part of the printed circuit board (PCB), usually above the gold finger. When pressed, the center of the dome depresses and touches the circuit on the PCB, forming an electrical loop. This allows the current to flow, ensuring the product operates smoothly. This mechanism defines how snap domes work.
A snap dome, also known as a metal dome or tactile metal dome switch, stands out compared to traditional silicone keys. The conductive film it uses provides a more satisfying tactile experience and a longer service life. Moreover, it can indirectly enhance the production efficiency of various switches that incorporate conductive films.
The metal snap domes in a snap dome switch are situated on the conductive part of the printed circuit board (PCB), usually above the gold finger. When pressed, the center of the dome depresses and touches the circuit on the PCB, forming an electrical loop. This allows the current to flow, ensuring the product operates smoothly. This mechanism defines how snap domes work.
How to choose types of metal dome switches
Round Metal Domes
The circular design of round metal domes offers a major benefit: a compact size, making them perfect for space - constrained electronic devices. They balance tactile rebound and strength, and are highly durable, withstanding over a million actuations. This makes them a top choice for mobile phones and control panels of critical equipment.
Oblong Metal Domes
Oblong metal domes are versatile, suitable for most applications where round domes are used. Shaped like a waist - circle, formed by trimming the sides of a round dome, they shine in designs with limited space in one direction. Oval and rectangular variants of oblong domes also provide excellent tactile feedback.
Four - Leg Series Metal Domes
Four - leg metal domes, identifiable by their four protrusions, offer a long stroke and a distinct click sound when pressed. Ideal for PCBs with ample space, large button areas, and high - stroke requirements, they're commonly found in handheld devices, medical equipment, and large banking machines.
Triangular Metal Domes
When dealing with tight spaces but needing good tactile feel and higher pressing force, triangular metal domes are the go - to option. Available with or without legs, the choice depends on PCB thickness and assembly needs.
Special - Shaped Custom Metal Domes
While round, oval, triangular, and four - leg domes form the main categories, all other unique designs fall under special - shaped metal domes. As custom - made products, we can tailor any metal dome to your specific shape, size, and strength requirements. For customized solutions, reach out to Shanyo.
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metal domes suppliers comparison of product parameters
| Contact Configuration | SPST, Normally Open |
| Contact Bounce (on) | <.3ms |
| Contact Bounce (off) | <6ms |
| Operating voltage | -55 C to 125 C |
| Storage Temperature | -55 C to 125 C |
| Humidity | 0-97% (no condensation) |
| Contact Resistance | <100 ohms |
| With gold or silver plating | <1 ohm |
| Voltage/Current Maximum | 12 ma @ 24 volts DC, RL |
| Breakdown Voltage | Over 200 volts |
custom metal dome fabricators TABLE OF CONTENTS
Part Number Introduce
| Product | Shape | Dimple | Length of legs | Length of legs |
 |
Triangle | four dimple |
no legs
|
4-8mm |
 |
Triangle | four dimple | no legs | 9-11.5mm |
|
Triangle | four dimple | no legs | 12-15.2mm |
 |
Triangle | four dimple | 0.8mm legs | 4-7mm |
|
Triangle | four dimple | 0.8mm legs | 8-12mm |
 |
Triangle | four dimple | 1.5mm legs | 4-8mm |
 |
Triangle | four dimple | 1.5mm legs | 9-12mm |
 |
Triangle | four dimple | 3.0mm legs | 4-8mm |
 |
Triangle | four dimple | 3.0mm legs | 9-12mm |
performance of metal domes
Manufacturers use printing or coating to add visual designs to snap domes, improving the user experience while keeping functionality intact. C - series snap domes are highly versatile, compatible with various substrates. This makes them suitable for many applications, including consumer electronics, medical devices, and automotive controls.
C - series snap domes, with their unique design and reliable performance, are key to enhancing user interaction. They remain a popular choice in modern electronic engineering.
package method for metal domes
Based on the information provided, it seems you're detailing the packaging options available for these snap domes and metal domes:
Bulk Packaging by Bag
Snap domes or metal domes are packaged in bulk within a bag. This is a straightforward packaging method suitable for general use and storage.
Metal Dome Array with Adhesive Tape
Metal domes are arranged and fixed onto a sheet or array using adhesive tape. This method allows for easy handling and placement onto printed circuit boards (PCBs). Users can peel off individual domes from the array and attach them to the designated locations on the PCBs.
Taped Reel Packaging for Snap Domes
Snap domes are packaged on a reel with tape. This type of packaging is designed specifically for high-speed pick-and-place machines used in automated assembly processes. The reel format ensures efficient handling and application during PCB assembly.
These packaging options cater to different needs and preferences in terms of ease of handling, suitability for automated assembly processes, and general convenience in storing and using snap domes and metal domes in electronic manufacturing.
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