
Product Brief Description
The KKG MK-12D70-E is a miniature, SPDT (Single Pole, Double Throw)
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The vertical 3 pin slide switch (Model: MK-12D70-E) is a compact and durable component designed for stable and efficient circuit control. Engineered as a PCB mount slide switch, it features a robust through-hole structure that ensures strong mechanical bonding with the circuit board, making it ideal for both mass production and prototyping applications.
With its SPDT (Single Pole Double Throw) configuration, this 3 pin slide switch allows users to easily control signal routing or power switching between two circuits. Its vertical actuator design offers convenient manual operation, while its compact size makes it suitable for space-limited electronic devices and custom enclosures.
This PCB slide switch delivers excellent reliability, long service life, and an outstanding cost-performance ratio, making it a preferred choice for engineers, manufacturers, and DIY enthusiasts.
| Parameter | Specification |
|---|---|
| Product Type | Vertical 3 Pin Slide Switch |
| Mounting Type | Through-Hole / PCB Mount |
| Circuit Type | SPDT (Single Pole Double Throw) |
| Rated Current & Voltage | 300mA, 30V DC |
| Operating Temperature | -25℃ ~ +85℃ |
| Dielectric Strength | 500VAC (1 minute) |
| Insulation Resistance | ≥100MΩ |
| Contact Resistance | ≤50mΩ |
| Operating Force | 200gf ± 80gf |
| Travel Distance | 2.0mm |
| Mechanical Life | ≥10,000 cycles |
| Actuator Type | Vertical Slide |
Durable Through-Hole Design
Provides strong PCB anchoring and superior resistance to mechanical stress compared to surface-mount alternatives.
Vertical Actuation Structure
The vertical slide switch design allows easy user interaction and precise switching between positions.
SPDT Configuration (3 Pin Layout)
Enables flexible circuit control by connecting the common pin to either of the two outer pins.
Compact & Space-Saving
Ideal for compact electronic devices and dense PCB layouts.
Reliable Electrical Performance
Ensures stable conductivity and minimal signal loss.
Long Mechanical Life
Rated for a minimum of 10,000 cycles for extended usability.
High Stability & Durability
The PCB mount slide switch ensures a secure connection that withstands vibration and repeated use.
Versatile Functionality
Works effectively as a power switch, signal selector, or mode control switch.
Cost-Effective Solution
Offers an excellent balance between price and performance for large-scale production.
Easy Integration
Standard pin spacing makes it compatible with breadboards and common PCB layouts, simplifying prototyping and development.
User-Friendly Operation
Smooth sliding action with an operation force of 200gf ± 80gf ensures comfortable manual control.
This 3 pin slide switch PCB component is widely used in various electronic devices and systems, including:
Consumer electronics (audio devices, portable gadgets)
Power control modules and battery-operated devices
Arduino and Raspberry Pi projects
DIY electronics and prototyping platforms
Test and measurement equipment
Signal routing and circuit switching applications
The vertical 3 pin slide switch works by mechanically moving an internal contact through a sliding actuator:
The center pin acts as the common terminal
Sliding the switch connects the center pin to either outer pin
This action redirects electrical current, enabling circuit switching or selection
The through-hole mounting ensures the switch remains firmly fixed during operation, enhancing reliability in demanding environments.
Q1: What is a vertical 3 pin slide switch used for?
A: It is commonly used for power control, signal routing, and mode selection in electronic circuits.
Q2: What is the difference between PCB mount and SMD slide switches?
A: A PCB mount slide switch uses through-hole pins for stronger mechanical stability, while SMD switches are surface-mounted and more compact but less robust.
Q3: Can this switch be used with Arduino or breadboards?
A: Yes, the standard pin spacing of this PCB slide switch makes it suitable for prototyping platforms like Arduino.
Q4: Is it suitable for high-current applications?
A: This switch is rated for 300mA at 30V DC, making it ideal for low-current applications.
Q5: How long does the switch last?
A: It has a mechanical lifespan of at least 10,000 cycles under normal operating conditions.


Audio Equipment: Used as a filter or input selection switch on portable headphone amplifiers like the
KKG Electronics uses temperature-resistant materials and high-temperature testing equipment.
The product's appearance does not change when tested at 260°C for 5 minutes!

We ensure high production efficiency and ship your order within 7 days after payment.
Q1. What's your lead time?
A: Gernally speaking it is needed 2 weeks if your quantity below 10K pcs, and it depends on the quantity.
Q2. Are you a factory or trading company?
A: We are the leading manufacturer of electronics. Why not conatct us now to discover original factory prices!
Q3. How can you ensure the quality?
A: All our products are 100% tested before delivery. Durable quality is guaranteed.
Q4. Can you provide samples?
A: Yes, we offer free samples and you only need to bear express charge.
Q5. What is the shipping cost?
A: Depending upon the quantity and the destination, we will check for you if you provide the information to us.

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Rixing Industrial Zone,Tangxia Town, Dongguan City, Guangdong Province, China
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