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A slide switch is a manually operated switch whose sliding actuator moves internal contacts to open, close, or redirect a circuit connection. Most slide switches stay in the position you set until you move them again. Choosing one correctly takes two steps: first confirm the circuit function (how many paths and destinations you need), then check the exact part number’s datasheet for voltage, current, mounting, and environmental limits. A switch that physically fits the panel or board is not thereby suitable for the load.
How a slide switch works
The user moves a linear actuator along a track. Inside the housing, a conductive contact assembly moves with it, and at each end of travel the assembly makes or breaks connections to fixed terminals. Depending on the design, the switch can simply interrupt one connection, or it can take a common connection and route it to one of two contacts.
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The key behavior is that the switch is maintained-contact. TE Connectivity describes it this way: a slide switch is a maintained-contact switch that stays in one state until it is actuated into a new state, where it remains until it is actuated again. In practical terms, the switch does not spring back when released, unlike a momentary pushbutton. That makes slide switches suited to choices that should persist, such as power on or off, or which of two modes a device is in.
Pin layout is not standardized across all slide switches. Two parts with the same overall shape can wire their terminals differently, so use the manufacturer’s circuit diagram or terminal numbering for the exact model before soldering or wiring.
#1 Best Overall
- Premium Durability: Crafted with anti-corrosion brass and silver-plated contacts, this SPDT slide switch ensures high conductivity and withstands over 100,000 operations. Robust construction with heat resistance from -13°F to 176°F guarantees longevity in demanding environments.
- Versatile Circuit Control: Model SS12D00 SPDT on-off mechanism allows effortless switching between circuits: push left to connect left pins, right for right pins. Ideal for audio/video controls, lighting dimming, and low-power applications. Rated Voltage DC 50V, Rated Current 0.5A.
- Precision Compact Design: Ultra-slim dimensions 10 x 8 x 4mm(L x W x H) and 2.54mm pin pitch enable seamless integration into space-constrained projects like Arduino boards, microphones, and DIY electronics. Vertical through-hole mounting ensures stable panel installation.
- Engineered for Reliability： Reinforced PA plastic handle and electroplated silver contacts deliver smooth operation and oxidation resistance.
- Cost-Efficient Bulk Pack: 20 switches per package provide exceptional value for makers and professionals. Compatible with breadboards, PCBs, and soldering stations, perfect for arduino prototyping, repairs, or batch production needs.
Reading pole and throw labels
Switch catalogs describe configuration with two terms. A pole is an independently switched circuit path. A throw is a contact position that a pole can connect to. Combining these gives the standard designations:
| Designation | What it switches | Typical function |
|---|---|---|
| SPST (single pole, single throw) | One path, one destination | Simple on/off control of a single connection |
| SPDT (single pole, double throw) | One common connection that can go to either of two contacts | Selecting between two paths, such as two modes or two signal routes |
| DPST (double pole, single throw) | Two independent paths, each with one destination | Opening or closing two separate connections together |
| DPDT (double pole, double throw) | Two independent paths, each able to go to one of two destinations | Switching two circuits between two destinations at once |
TE Connectivity lists SPDT, DPST, and DPDT slide switch options in its product material and explains the pole and throw terms in its configuration guide. These labels tell you how the circuit is routed. They say nothing about how much current or voltage the switch can carry. A DPDT switch and an SPST switch can have very different load ratings, and a DPDT part may be built for signal-level switching only.
Rank #2
- Micro Mini Slide Switch Set: SS12D10G5(12 pcs), SS12D00G3(20 pcs), SS12D00G4(20 pcs), SS12D00G5(20 pcs), SS12D00G6(20 pcs), SS12F44G3(10 pcs), SS12F15G3(10 pcs), SS12F15G5(10 pcs), SS12F15G6(10 pcs)
- Contact Type: SPDT(1P2T); Circuit Characteristics: 2 Positions ON-OFF; Terminals: 3 Pins
- Connector Type: Vertical Through Hole; Mounting Type: Panel Mount; Electrical Life: More than 100,000 click
- Please Note: Only SS12D00 series slide switches with 2.54 mm pin pitch can be directly inserted into standard 2.54 mm breadboards and perfboards. Other models cannot be plugged in directly due to structure or pin size limits, and are only suitable for soldering on matched PCBs
- Easy to find and use: All small slide switches are classified and placed in a plastic box
Where slide switches are used
Slide switches appear in consumer electronics, test equipment, hobby and prototype projects, and internal control panels. Their common roles are:
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- Power on/off: a maintained switch on a low-voltage supply or control circuit.
- Mode or range selection: choosing between operating modes, input sources, or signal paths.
- Signal routing: directing a connection to one of two destinations on a board.
Those uses describe the typical role of small slide switches, not a guarantee of suitability. Using a small signal or low-power slide switch to switch mains voltage, a motor, or another demanding load requires checking the exact rating and the applicable electrical safety requirements for that design. If the rating is not published for your application, do not use the part for it.
Rank #3
- Product Name: Toggle Switches,Slide Switch; Model: SS22F25; Action Type: DPDT; Position: 2 positions
- Weight: 36 grams; packing 20Pcs x slide switch
- Number of terminals: 6 pieces; Operating power: 0.5A 50V DC; Contact resistance: 30mohm Max Insulation resistance: 100mΩMin at 500V DC; Withstand voltage: AC 500V 1 minute; Terminal length: 4mm / 0.16"
- Total switch size: 23 x 7.5 x 18mm / 0.9" x 0.29" x 0.83" (length * width * height); Knob size: 5 x 3.5 x 7mm / 0.2" x 0.14" x 0.28" (length * width * height)
- Material (external): plastic, metal; main color: silver, black
How to choose a slide switch
- Define the circuit function. Decide whether you need simple on/off control, selection between two paths, or several independently switched paths. Match that to SPST, SPDT, DPST, or DPDT, and confirm the number of positions against the circuit diagram.
- Check the electrical rating for your actual load. Find the rated voltage and current for the exact model and compare them to your load, noting whether it is AC or DC and what kind of load it is. Treat the datasheet as the authority. Do not carry over a rating from a different series, and do not estimate a safe load from the switch’s size or appearance.
- Confirm contact behavior. Verify that the part is maintained-contact or momentary/self-return, as required by your circuit, and whether switching timing matters.
- Match mounting and termination. Choose PCB through-hole or surface-mount, panel mount, solder lug, or wire termination to suit the assembly. Check actuator orientation, height, travel, pin pitch, and package dimensions against the enclosure or board layout.
- Review the environment and durability. Look at sealing and IP protection, operating temperature, contact material, and mechanical or electrical life where they matter for your use. DigiKey’s technical guide on switches lists the IP rating as a selection parameter, but any protection claim has to be verified on the chosen part.
Why ratings must come from the exact part
Manufacturer listings show how much ratings can differ within one product line. Nidec Components publishes the following family-level specifications. The publication dates are not stated on the product listings.
| Nidec Components family | Published electrical specification | Source and date |
|---|---|---|
| CUS | 4 VDC, 300 mA | Nidec Components product listing; publication year not stated |
| 8SS | 125 VAC, 6 A; 30 VDC, 4 A | Nidec Components product listing; publication year not stated |
The 8SS figures show that one family can carry a higher current at AC than at DC, so a rating must always be read with its voltage type attached. These are specifications for those families only. They are not a general rating for slide switches, and they do not transfer to any other series. Confirm the figures against the exact part number’s current datasheet before designing around them.
Rank #4
- VEXUNGA SPDT Micro Mini Slide Switch (1P2T) Sortiment Kit
- 8 Values Mini Micro Slide Switch - SS12F15(5MM) SS12F15VG6(6MM) SS12D00G(3MM 4MM 5MM 6MM) SS12F44(3MM) SS12D10(5MM)
- Contact Type: SPDT (1 Pole 2 Throw). Circuit Characteristics: 2 Positions: ON-OFF. Terminals: 3 Pins. Connector Type: Vertical Through Hole; Mounting Type: Panel Mount. Electrical Life: More than 100,000 click
- Vertical Slide Switch Features: Easy to operate (all sliding operation); small space occupation; stable performance; long service life; simple and convenient installation; can meet different installation requirements
- Micro Mini Slide Switches are mainly used for power control and function switching of some small electronic devices, such as for Arduino, breadboards, electronic circuits, circuit boards, microphones, and DIY electronic projects
Comparing two candidate parts
When you narrow down two or more parts, compare them on the same axes: circuit configuration and positions, voltage and current rating for your load type, contact behavior, mounting and termination, package dimensions and actuator fit, sealing and environment, and published mechanical and electrical life. Do not compare on a single “power rating,” because the numbers depend on AC or DC conditions and the type of load.
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For a specific installation, consult the exact model’s current datasheet and the applicable electrical safety requirements. Stock, pricing, and availability change, so check them with the supplier at the time of purchase.
Best Value
- 【Precision Engineering】The SS12F15 slide switch features SPDT (Single Pole Double Throw) 1P2T configuration with 3-pin vertical through-hole design, ensuring reliable circuit switching for electronic applications.
- 【Durable Construction】Crafted from high-temperature resistant plastic housing, this panel mount slide switch maintains excellent conductivity.
- 【Easy Installation】Designed with 3mm terminal length and vertical through-hole mounting, this micro slide switch enables quick soldering and secure PCB integration without additional hardware. The standardized 3-pin layout facilitate straightforward installation in tight spaces, making it suitable for both prototyping and production applications across multiple electronic platforms.
- 【Versatile Application】This SPDT toggle switch serves multiple functions in low-power electronic systems including circuit switching, mode selection, and power control. Compatible with breadboard prototypes, audio/video equipment, lighting controls, and microphone systems, the 2-position switch provides reliable operation in educational, hobbyist, and professional electronic applications requiring dependable switching solutions.
- 【Complete Package】Includes 20 pieces of SS12F15G5 miniature slide switches with consistent quality and specifications. The organized packaging facilitates easy storage and quick access during assembly and prototyping work.
Slide switches cover many roles in small electronics, but their correct use depends on details that differ from one part to the next. Start with the circuit function, then verify the rating, layout, mounting, and environment in the datasheet for the part you intend to use.
The Bottom Line
A slide switch is a good fit when its pole-and-throw configuration matches the circuit and its datasheet rating, mounting, and environment cover the actual load and installation. Fit and appearance alone do not establish suitability.
Quick Recap
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