3×4 Tact Switch with Locating Pin for Compact Electronic PCB Applications

3x4 Tact Switch with Locating Pin is a compact momentary tactile push button switch engineered for stable PCB mounting, responsive tactile feedback, and long operational durability in consumer electronics, smart devices, industrial control systems, and portable electronic products.

Product Name3×4 Tact Switch with Locating Pin
Part NumberTS-1185T2A
Switch TypeMomentary Tactile Switch
Size3mm x 4mm
Mounting TypeSurface Mount (SMT)

3×4 Tact Switch Overview

The 3×4 tact switch is a miniature momentary push button switch specifically designed for compact electronic devices requiring reliable tactile feedback, stable PCB installation, and long mechanical operating life. This high-performance tact switch with locating pin provides precise switching response for modern electronic control applications while improving assembly alignment during PCB manufacturing.

The switch structure incorporates durable stainless steel dome contacts and precision-engineered terminals to ensure stable electrical conductivity and responsive tactile operation. Its compact 3x4mm footprint makes it ideal for high-density PCB layouts in portable and space-constrained electronic devices.

This SMD tact switch supports automated surface-mount assembly processes while the locating pin enhances PCB positioning stability during soldering and product operation. The switch is optimized for low-current signal control applications requiring consistent actuation force and reliable user interaction.

Widely used in consumer electronics, wearable devices, industrial control panels, IoT systems, smart home products, and communication equipment, the switch provides dependable switching performance while supporting miniaturized product designs.

The tactile feedback mechanism offers clear operational confirmation for end users, improving interface usability and operational precision in compact electronic systems. High-temperature resistant housing materials support reflow soldering and long-term environmental reliability.

For industry standards and electronic switch reference information, engineers may review
IEC International Standards and
Electronics Notes Switch Technology Guide.

The 3×4 tact switch with locating pin combines compact PCB integration, responsive tactile operation, stable mounting performance, and long-term durability for modern electronic product development.

Technical Specifications

Tact Switch with Locating Pin Specifications

ParameterSpecification
Product Name3×4 Tact Switch with Locating Pin
Part NumberTS-1185T2A
Switch TypeMomentary Tactile Switch
Size3mm x 4mm
Mounting TypeSurface Mount (SMT)
Actuation TypeTop Push
Locating PinYes
Contact Rating50mA 12V DC
Contact Resistance100mΩ Max
Insulation Resistance100MΩ Min
Operating Force160±50gf
Travel Distance0.20±0.1mm
Mechanical Life100,000 Cycles
Operating Temperature-20°C to +70°C
Housing MaterialHigh Temperature LCP
Terminal MaterialCopper Alloy
ComplianceRoHS & REACH
ApplicationCompact PCB Signal Switching

Key Features

SMD Tact Switch Key Features

📐

Ultra Compact 3x4mm Design

Miniature footprint supports high-density PCB layouts and compact electronic device integration.

📍

Locating Pin Stability

Integrated locating pin improves PCB positioning accuracy and assembly reliability during SMT production.

Responsive Tactile Feedback

Provides clear actuation confirmation for enhanced user interaction and operational precision.

🔁

100,000 Cycle Durability

Long mechanical lifespan supports repeated switching operations in demanding applications.

🔥

Reflow Soldering Compatible

High-temperature housing materials support automated SMT manufacturing processes.

🛡️

Stable Electrical Contact

Precision dome structure ensures reliable conductivity and low contact resistance.

🏭

Industrial Application Ready

Designed for consumer, industrial, and embedded electronic control systems.

🌍

RoHS & REACH Compliant

Environmentally compliant materials meet international manufacturing standards.

Applications

Momentary Tactile Switch Applications

📱 Consumer Electronics Smartphones, tablets, remote controls, and portable multimedia devices.
⌚ Wearable Devices Smart watches, health monitoring equipment, and compact wearable electronics.
🏭 Industrial Controllers Control panels, embedded systems, and industrial electronic interfaces.
🌐 Smart IoT Devices Smart home products, wireless modules, and IoT control systems.
🎮 Gaming Equipment Game controllers, handheld gaming devices, and input control modules.
📡 Communication Hardware Networking equipment, portable communication devices, and RF systems.

Mini Tactile Push Button Switch Advantages

The mini tactile push button switch offers significant advantages for compact electronic products requiring responsive user interaction and stable PCB installation. Compared with larger switch structures, miniature tact switches help reduce device size while maintaining reliable operational performance.

This compact switch architecture is widely used in portable electronics, smart wearable devices, industrial control systems, and embedded hardware where efficient space utilization and precise tactile response are essential.

Frequently Asked Questions

What is a 3×4 tact switch used for?
A 3×4 tact switch is used for momentary signal input and user interface control in compact electronic devices and PCB systems.
What is the function of the locating pin?
The locating pin improves PCB positioning accuracy and enhances assembly stability during SMT soldering.
Is this switch compatible with automated SMT assembly?
Yes. The switch is designed for automated pick-and-place and reflow soldering production processes.
What industries commonly use tact switches?
Tact switches are widely used in consumer electronics, wearable devices, industrial controls, gaming hardware, and IoT products.
How long is the operational lifespan?
This tact switch supports up to 100,000 mechanical operating cycles under normal usage conditions.
Where can I learn more about electronic switch technology?
You can review additional switch technology resources at Electronics Notes.
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