Tactile Switch 4 Pin 12x12x7.3mm – Copper Yellow | Momentary Push Button Switch for PCB & Arduino
The go-to tact switch for engineers, students & DIY makers across India.
The Tactile Switch 4 Pin 12x12x7.3mm Copper Yellow is a high-quality momentary push button switch featuring copper-alloy contact pins for superior electrical conductivity and long-lasting performance. Whether you’re building a prototype on a breadboard, designing a custom PCB, or powering up your Arduino project, this switch delivers a satisfying tactile click with every press.
Key Specifications
| Parameter | Value |
|---|---|
| Dimensions | 12 x 12 x 7.3 mm |
| Pin Count | 4 Pin (Through-Hole DIP) |
| Pin Material | Copper Yellow (Copper Alloy) |
| Switch Type | Momentary (Self-Reset) |
| Rated Load | 50mA DC 12V |
| Contact Resistance | ≤ 100mΩ |
| Insulation Resistance | ≥ 100MΩ |
| Mechanical Life | 300,000 Cycles |
| Mounting Type | Through-Hole / PCB Mount |
| Operating Temperature | -10°C to +70°C |
Features & Benefits
- Copper Yellow Pins — Excellent conductivity, corrosion-resistant, and compatible with standard soldering.
- Crisp Tactile Feedback — Distinct audible click confirms every press — ideal for user interfaces.
- 4-Pin Stable Base — Anti-wobble design for secure PCB mounting and reliable circuit connection.
- Momentary Action — Circuit closes only while pressed; auto-returns on release. Perfect for reset, input, and trigger functions.
- 300,000 Cycle Lifespan — Built for durability in both prototyping and production environments.
- Breadboard & PCB Compatible — Standard 2.54mm pitch spacing fits all common PCBs and breadboards.
- Omron B3F-4055 Compatible — Drop-in replacement for the popular Omron tactile switch series.
Applications
- Arduino & Raspberry Pi input buttons
- Reset switches in microcontroller circuits
- Consumer electronics (remotes, toys, appliances)
- Industrial control panels
- Medical & testing instruments
- Custom PCB prototyping & robotics
- Printers, computers, calculators
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