Miniature Slide Switch SPDT — Precise 2-Position Control for Model Railways & Micro Electronics
If you have ever struggled to find a switch small enough to fit inside a model railway control panel, a compact RC receiver bay, or a tight DIY electronics enclosure, you know how frustrating oversized components can be. These miniature SPDT slide switches are built specifically for hobbyists, model railway builders, and electronics makers who need reliable 2-position on-off switching in the smallest possible footprint.
Each pack contains your chosen quantity of micro toggle slide switches — available in 5, 10, 20, 25, 30, 50, 100, or 200 pieces — so you can stock up for a full layout or grab a sample for a single build. The switches feature a metal actuator (stainless steel on SS models) over a compact plastic body, with through-hole solder pins for direct PCB or hand-wiring installation. Body widths are generally in the 12mm–13mm range depending on model, with pin spacing and actuator travel varying by model code. If you need dual-body configurations, the SS-23D and SK-23D models offer a wider footprint for panel-mount applications.
These miniature slide switches are a go-to choice for wiring model railway turnout indicators and accessory decoders, building custom RC car kill switches and channel selectors, and prototyping low-voltage control circuits on breadboards or custom PCBs where space is at a premium.
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Compatibility: Designed for low-voltage DC control circuits (typically 3V–12V). Suitable for model railway layouts, RC electronics, Arduino/microcontroller projects, and general hobby electronics. SPDT configuration — verify pin pitch against your PCB footprint before ordering.
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Spec Confirmation: Pin spacing, actuator travel, and exact body dimensions vary by model code. If you are replacing an existing switch or designing a PCB, please contact us to confirm the datasheet for your specific model before placing a large order.
✅ Key Features of These Miniature SPDT Slide Switches
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🎚️2-Position On-Off Action — Clean, positive SPDT switching with tactile detent feel, so you always know which position the circuit is in without looking at a meter.
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📐Compact Micro Body — Body width generally 12mm–13mm (≈0.47"–0.51"), making these miniature slide switches easy to fit inside model railway control panels, small enclosures, and tight PCB layouts.
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🔩Through-Hole Solder Pins — Standard through-hole pin configuration for direct PCB mounting or hand-wiring; no special tooling required for installation in hobby electronics projects.
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⚙️Multiple Model Configurations — 14 model variants (SS and SK series) cover different actuator profiles, pin spacings, and body styles, so you can find the right micro toggle switch for your specific application.
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📦Flexible Pack Quantities — Order from 5 to 200 pieces per pack; larger quantities are priced progressively lower per unit, ideal for model railway layout wiring or production electronics runs.
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🏭Consistent Manufacturing Tolerances — Switches within the same model code share the same body dimensions and pin layout, so they are interchangeable across your project without re-drilling or re-wiring.
📐 Technical Specifications — Miniature SPDT Slide Switch
| Switch Type |
SPDT (Single Pole Double Throw), 2-Position Slide |
| Actuator Style |
Slide / Micro Toggle (varies by model: SS = standard actuator, SK = alternate profile) |
| Body Width |
Typically 12mm (≈0.47") for 12-series; 13mm (≈0.51") for 13-series; 23mm (≈0.91") for 23-series |
| Pin Configuration |
Through-hole solder pins; pin spacing varies by model — see variant options |
| Actuator Travel |
See variant options (indicated by trailing digits in model code) |
| Rated Voltage |
Typically 6V DC (contact us to confirm for your model) |
| Rated Current |
Typically 0.3A–0.5A DC (low-signal control circuits) |
| Material — Actuator |
Stainless steel (SS models); See variant options for SK models |
| Material — Body |
Thermoplastic (engineering-grade) |
| Mounting Method |
Through-hole PCB or panel mount |
| Operating Temperature |
Contact us to confirm |
| Pack Sizes Available |
5 / 10 / 20 / 25 / 30 / 50 / 100 / 200 pcs |
| Item Models Available |
SS-12D00, SS-12D03, SS-12D07, SK-12D07, SK-12F14, SS-12F15, SS-12F17, SS-13D07, SK-13D07, SS-23D07, SK-23D07, SS-12F44, SS-12D06, SS-12D10 |
❓ Frequently Asked Questions
How do I choose the right slide switch model for my project?
Match the model code to your PCB footprint or panel cutout. The first two digits in the model number typically indicate the body width in millimeters (e.g., 12 = 12mm body). If you are replacing an existing switch, measure the pin spacing and actuator travel on the old part and select accordingly. When in doubt, order a 5-piece sample pack first to verify fit before committing to a larger quantity.
What does SPDT mean and how does it work in a 2-position circuit?
SPDT stands for Single Pole Double Throw. The switch has one common (COM) terminal and two output terminals. Sliding the actuator to one position connects COM to Output 1 (circuit on); sliding it to the other position connects COM to Output 2 (or opens the first circuit). This makes it ideal for simple on-off switching or for toggling between two circuits — common in model railway turnout control and accessory wiring.
What current and voltage can these miniature slide switches handle?
Miniature slide switches in this size class are generally rated for low-signal applications — typically 0.3A to 0.5A at 6V DC. They are designed for control circuits, indicator lights, and signal switching, not for switching high-current loads like motors directly. Always verify the rating for your specific model before use in a production application. Contact us if you need the datasheet.
Are these switches suitable for outdoor use or humid environments?
These are standard-grade miniature slide switches without an IP-rated environmental seal. They are generally suitable for indoor use and protected enclosures — such as inside a model railway control panel or an electronics project box. For outdoor installations or high-humidity environments, we recommend applying conformal coating after soldering or housing the switch in a sealed enclosure.
What is the difference between SS and SK model codes?
The SS and SK prefixes indicate different actuator or body configurations within the same body-width family. SS models typically feature a standard straight actuator profile, while SK models may have a different actuator shape, pin arrangement, or mounting footprint. If you are unsure which applies to your application, contact us with your existing switch dimensions or PCB layout and we will help you identify the correct model.
Can I mount these switches directly on a PCB?
Yes. These miniature slide switches use through-hole solder pins and are designed for direct PCB mounting in most configurations. Pin spacing varies by model code — the trailing digits in the model name (e.g., D07, F15) generally correspond to pin pitch or actuator travel dimensions. Contact us to confirm the exact pin pitch for your specific model before designing your PCB layout.
How do I select the right pack size for my project?
For prototyping or a single build, the 5-piece or 10-piece packs offer the lowest upfront cost. For model railway layouts with multiple turnouts or accessory decoders, the 20–50 piece packs are a practical middle ground. For production runs or large layouts, the 100-piece and 200-piece packs provide the best per-unit value — the price per switch drops progressively as pack size increases.
🛒 Select your item model and pack size above, then add to cart — ships from our US warehouse.
