4P2T 12-Pin Horizontal Slide Switch DIP — SK-42D03 Through-Hole DIP Slide Switch with G Knob for PCB Control & Signal Switching

The SK-42D03 is a 4P2T 12-pin horizontal slide switch DIP — a compact through-hole DIP slide switch featuring 4-pole 2-throw (4P2T) circuitry, 12 pins, and a horizontal G-knob actuator. Rated 0.5A at 50V DC, 10,000 operating cycles, and 30mΩ contact resistance. RoHS & REACH compliant. Tray packaging. MOQ 1,000 pcs. Free sample available.
Part NumberSK-42D03
Product TypeHorizontal Slide Switch (DIP)
Circuit Configuration4P2T (4 Pole, 2 Throw)
Pin Count12 Pins
Current Rating0.5A
Overview

4P2T 12-Pin Horizontal Slide Switch DIP — SK-42D03 Product Overview

The SK-42D03 is a 4P2T 12-pin horizontal slide switch DIP engineered for PCB-based control and signal routing applications[reference:0]. This through-hole DIP slide switch integrates a 4-pole double-throw (4P2T) circuit configuration with 12 pins, offering four independent switch poles, each selectable between two positions. The horizontal orientation and G-knob actuator enable intuitive side-to-side sliding operation, making it ideal for panel-mounted controls in instruments, consumer electronics, and industrial equipment[reference:1].

Rated at 0.5A at 50V DC with a contact resistance of ≤30mΩ[reference:2][reference:3], the SK-42D03 delivers reliable performance across 10,000 operating cycles[reference:4]. The through-hole DIP design ensures secure PCB anchoring—12 pins pass through drilled holes and are wave-soldered or hand-soldered on the back side for robust mechanical retention[reference:5]. Whether you are designing a mode selector, function switch, or signal routing interface, this horizontal 4P2T slide switch DIP provides the durability and electrical performance required for production-grade electronics.

Technical Specifications

SK-42D03 DIP Slide Switch — Full Technical Specifications

ParameterValueNotes
Part NumberSK-42D03Standard catalog item[reference:6]
Product TypeHorizontal Slide Switch (DIP)G-knob actuator[reference:7]
Circuit Configuration4P2T (4 Pole, 2 Throw)Four independent poles, two positions each[reference:8]
Pin Count12 PinsThrough-hole DIP configuration[reference:9]
Current Rating0.5ADC resistive load[reference:10]
Voltage Rating50V DCMaximum operating voltage[reference:11]
Contact Resistance≤ 30mΩInitial contact resistance[reference:12][reference:13]
Insulation Resistance≥ 100MΩ at 500V DCBetween terminals[reference:14]
Withstand VoltageAC 500V for 1 minuteDielectric strength[reference:15]
Operating Force250 ± 100 gfSlider actuation force[reference:16][reference:17]
Operating Life10,000 cyclesMechanical endurance[reference:18]
Operating Temperature−25°C to +85°CCommercial & industrial range[reference:19]
Storage Temperature−40°C to +85°C
Contact MaterialBrass, Silver or Gold PlatedLow and stable contact resistance[reference:20]
Insulator MaterialLCP / High-Temperature PlasticWave-solder compatible
PackagingTray / BagProduction ready[reference:21]

Why Engineers Choose the SK-42D03 Through-Hole Slide Switch 12 Pin PCB for Durable Panel Controls

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DIP Through-Hole Mounting — Maximum PCB Anchoring Strength

The through-hole slide switch 12 pin PCB design of the SK-42D03 ensures each of the 12 pins passes through the PCB and is soldered on the back side, creating a mechanically robust dual-anchored joint. This delivers superior pull-out and side-load resistance compared to SMT alternatives — critical for panel-mounted controls that experience repeated user actuation.

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4P2T Circuit — Four Independent Poles, Two Positions Each

The 4P2T configuration provides four independent switch poles, each with two throw positions. This allows simultaneous switching of up to four separate circuits with a single actuator — ideal for mode selection, function switching, and signal routing applications where multiple control paths must be toggled together.

0.5A 50V Rating & 10,000-Cycle Durability

Rated at 0.5A at 50V DC with a contact resistance of ≤30mΩ, this 4P2T slide switch 0.5A 50V delivers reliable performance across 10,000 operating cycles[reference:22]. The gold-plated brass contacts ensure stable, low-resistance connections over the product’s lifetime[reference:23].

RoHS & REACH Compliant — Globally Export Ready

Fully compliant with RoHS and REACH substance regulations[reference:24][reference:25]. The SK-42D03 is manufactured with lead-free materials and meets international environmental standards, enabling worry-free export to global markets.

Applications

Where to Use the Horizontal 4P2T Slide Switch DIP — Applications for Instruments, AV, Gaming & Industrial Electronics

📟 Test & Measurement Instruments Mode selection, range switching, and function control on multimeters, oscilloscopes, and signal generators
🎮 Gaming & Consumer Electronics Game console mode switches, audio equipment function selectors, and remote control channel selection[reference:26]
🏭 Industrial Control Panels Machine mode selectors, emergency function overrides, and equipment configuration switches
📡 Communication Equipment Signal routing, antenna selection, and channel switching in RF and telecom devices

SK-42D03 Mechanical Dimensions & PCB Footprint — 12-Pin DIP Slide Switch Layout

The SK-42D03 DIP slide switch features a compact horizontal form factor with 12 pins arranged in a standard DIP footprint. Typical dimensions for this series are approximately 22mm × 9.4mm × 12mm (L × W × H), with a 2.0mm actuator travel distance[reference:27][reference:28]. The G-knob actuator is designed for easy thumb operation, with an operating force of 250 ± 100 gf providing tactile feedback without being overly stiff[reference:29].

The 12 pins are arranged in two rows of six pins each, following the standard 2.54mm (0.1-inch) DIP pitch. This footprint is compatible with most PCB design tools and standard DIP sockets. The through-hole pins are suitable for both wave soldering and hand soldering processes[reference:30].

SK-42D03 4P2T 12-Pin Horizontal Slide Switch DIP — Frequently Asked Questions

What is the difference between the SK-42D03 DIP through-hole and an SMT slide switch?

The SK-42D03 DIP through-hole slide switch drives its 12 pins through drilled holes in the PCB and solders them from the back side, creating a mechanically robust dual-anchored joint with high pull-out and side-load resistance. This makes it the preferred choice for panel-mounted controls that experience repeated user actuation and mechanical stress during operation.

An SMT slide switch (surface-mount) solders only to pads on the PCB surface, offering lower PCB area requirements and SMT reflow assembly compatibility — but with reduced mechanical pull-out strength compared to DIP mounting. For applications requiring maximum mechanical retention, the through-hole DIP design of the SK-42D03 is the superior choice.

What is the MOQ and can I get a free sample?

Standard MOQ is 1,000 pieces with a 2–4 week production lead time. Free samples are available for qualified engineering and product development projects. Contact sales@vistarelectronics.com with your company details, project application, and part number (SK-42D03), or click the “Get a Quote” button at the top of this page.

What is the operating temperature range of the SK-42D03?

The SK-42D03 operates reliably across a temperature range of −25°C to +85°C[reference:31], making it suitable for commercial and light-industrial applications. Storage temperature range is −40°C to +85°C. The LCP insulator material ensures stable performance even in elevated temperature environments during wave soldering processes.

What is the difference between 4P2T and other circuit configurations?

4P2T stands for 4 Pole, 2 Throw — meaning the switch has four independent poles (circuits), each of which can be connected to one of two positions (throws). This allows simultaneous switching of up to four separate circuits with a single actuator movement. By comparison, a 2P2T switch has only two poles, and a 4P3T switch would have three positions per pole. The 4P2T configuration of the SK-42D03 is ideal for applications requiring multiple independent circuits to be switched together, such as mode selection or function routing.

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