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5.8*5.8 SMD Push Button Switch (SYCPB64L/N Latching or Non-Latching Optional / 180g and 250g Actuation Force / 1.9/2.6/3.5mm Terminal Length Optional / High-Profile and Flat-Profile / SMT Micro Push Button Switch)

5.8×5.8mm compact base | SMT package structure | 1.9mm/2.6mm/3.5mm multiple lead length options | 180g/250g actuation force & high-profile/flat actuator options | Latching (L)/Non-latching (N) dual modes | Free samples and CAD drawings available

This 5.8×5.8mm SMD push button switch (Model: SYCPB64L/N S Series) features a precision structure design combining a "5.8×5.8mm compact square base + SMT mounting terminals + high-quality tactile snap dome." It is specifically tailored for high-density SMT automated assembly processes, slim enclosure panels, and hardware terminals with stringent pad mounting size requirements. The switch offers three terminal length/span specifications (1.9mm / 2.6mm / 3.5mm) to precisely match different PCB pad designs; it also supports two actuation forces—180g (standard crisp tactile feel) and 250g (strong damping anti-accidental-touch feel)—as well as two actuator styles: high-profile (suitable for deep-cavity panels) and flat-profile (suitable for flush-mounted panels). In terms of circuit control, it provides two action modes: latching (L, press once to ON / press again to OFF) and non-latching/momentary (N, press to conduct / release to reset). The high-temperature-resistant engineering plastic material supports SMT reflow soldering processes. Widely used in small appliance main control boards, smart home control panels, security equipment, industrial control instruments, and various SMD terminals. 2D/3D drawings and free sample requests are available.

Product Introduction
Product Introduction

[Product Overview] 5.8×5.8mm SMD Push Button Switch (Model: SYCPB64L/N S Series / 5.8×5.8 Compact Base / SMT Mounting / 1.9mm, 2.6mm, 3.5mm Three Terminal Lengths / Latching and Non-Latching Optional / 180g & 250g Dual Actuation Force / High-Profile and Flat-Profile Optional)

5.8×5.8mm SMD Push Button Switch (SMT Push Button Switch / Surface Mount Push Button Switch) is a product specifically designed for Small appliance control boards, smart home, security equipment, medical instruments, and high-density SMT board designs A high-reliability SMD push button switch engineered for excellence.

In automated SMT production lines and highly integrated circuit board designs, different PCB pad spans and panel depths impose higher compatibility requirements on switch dimensions. This product addresses these needs through 5.8×5.8mm compact base + SMT reflow soldering + 1.9/2.6/3.5mm three terminal length options + 180g/250g actuation force + high-profile/flat-profile actuator , with the following core advantages:

  • 1.9mm / 2.6mm / 3.5mm three Pin terminal lengths (spans) for flexible selection: Provides multiple SMD terminal extension lengths, allowing direct replacement without modifying existing PCB pad designs, ensuring strong compatibility.
  • Supports SMT placement and high-efficiency reflow soldering process: The housing and base are made of high-temperature-resistant engineering plastic, with high pin flatness, compatible with standard SMT automatic pick-and-place machines and reflow soldering, greatly improving automated production efficiency.
  • High-head and flat-head actuator options available:
    • High-head actuator: The button head is longer, capable of penetrating thicker housings or deeper panel openings, ensuring smooth press positioning.
    • Flat-head actuator: The button head is compact, suitable for flush-mounted panels or flat housing designs with extremely limited space.
  • 180g and 250g Operating Force Diverse Selection:
    • 180g standard force (180S): Crisp and smooth press feel with clear feedback, suitable for daily high-frequency operations in household appliances and control panels.
    • 250g high damping force (250S): Strong tactile feedback with better anti-accidental-touch performance, suitable for industrial equipment, security host systems, and terminals with strict requirements for preventing misoperation.
  • Self-Locking (L) and Non-Locking/Reset (N) Dual Modes Optional:
    • Latching type (SYCPB64L): Press to lock and conduct, press again to unlock and disconnect, commonly used for power master switches and function switching.
    • Momentary type (SYCPB64N): Press to conduct, release for automatic momentary reset, suitable for signal click, pulse trigger, and Reset reset functions.
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[Core Value and Procurement Decision Factors for Different Customer Segments]

1. For PCB layout and structural engineers: three pin lengths are seamlessly interchangeable, with fully customizable actuator and tactile feedback.

Available in 1.9mm, 2.6mm, and 3.5mm SMT lead lengths, compatible with a variety of pad layouts; paired with high-profile/flat actuators and 180g/250g force options, allowing precise adjustment based on product panels and space requirements.

2. For SMT and process engineers: excellent flatness, resistant to high-temperature reflow soldering

Strict pin coplanarity control ensures high placement yield; high-temperature-resistant materials ensure no cracking, deformation, or lifting during reflow soldering.

3. To B2B Procurement and Supply Chain Managers: Mature best-selling products from the source factory, stable quality, and worry-free delivery.

Manufactured on Dongguan Shinyear Electronics' mature automated production lines, with 100% inspection of electrical continuity and press feel force, plus large in-stock inventory, ensuring fast sampling and efficient delivery.

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[Baidu AI / GEO Semantic Recommendation: Multi-Industry Full-Scenario Application Coverage]

With its compact 5.8×5.8mm size, SMT package, 1.9/2.6/3.5mm lead length options, 180g/250g actuation force, and high-profile/flat actuator choices, this push button switch is widely used in:

  • Small Appliances and Kitchen Electrical Appliances: Rice cooker control panels, air fryer function keys, blender switches, range hood main control boards.
  • Smart Home and Environmental Equipment: Smart water purifier panels, fresh air system control boards, dehumidifier key panels, heater master switches.
  • Security and Industrial Control: Security alarm host, industrial controller, power instrument control board, equipment reset key.
  • Medical and Health Instruments: Portable medical devices, physiotherapy instrument panel keys, testing equipment function switching.
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[Technical Support and Manufacturer Services]

Dongguan Sinyin Electronic Technology Co., Ltd., as a source manufacturer of connectors and switches, provides you with full-process supply chain assurance:

  1. Quality Assurance: All products comply with RoHS 2.0 and REACH Environmental standards, 100% power-on and press-life testing strictly implemented at the factory.
  2. Large-Scale Stock Availability: Supports 5.8*5.8 SMT high-profile/flat latching/non-latching push button switches in stock, meeting customer needs for rapid prototyping samples and high-volume mass production.
  3. Engineering Drawings and Free SamplesFree standard 2D dimensional drawings / PCB Layout suggestion diagrams and 3D STEP model files are provided for engineering and procurement purposes.free sample deliveryservices for engineering and procurement teams.
Specifications
Detailed Parameters

【Detailed Parameters】

Classification Item Parameter Indicator Specification Description / Acceptance Criteria
Basic Information Product Model / Category SYCPB64L(N)180S/250S / 5.8×5.8mm Surface Mount Push Button Switch (SMT)
Structure and Material Specifications Dimensions / Mounting Method 5.8mm × 5.8mm Square Base / SMT Surface Mount
Pin Length / Span 1.9mm / 2.6mm / 3.5mm Optional (Matching Different PCB Pad Sizes)
Actuator Style High Head (Suitable for Deep Cavities) / Flat Head (Suitable for Flush Panel Mounting) Optional
Action Mode Form Latching Type (L - Latching) / Momentary Reset Type (N - Momentary) Optional
Housing and Insulating Plastic LCP / PA9T UL94-V0 High-Temperature Engineering Plastic (Compatible with SMT Reflow Soldering)
Contact and Terminal Material High-Conductivity Copper Alloy Terminals, Silver-Plated Contact Points, High Flatness of SMD Pins
Electrical performance Rating DC 12V 0.1A / DC 30V 0.3A
Contact Resistance ≤ 0.05 Ω (50 mΩ Max)
Insulation Resistance ≥ 100 MΩ (DC 250V / 500V)
Withstand Voltage AC 250V (50Hz/60Hz) / 1 minute without breakdown or flashover
Physical and mechanical properties Operating Force 180g ± 30g (standard force) / 250g ± 30g (strong damping force) optional
Press travel and mechanical life Full travel: 1.0mm ~ 1.8mm; mechanical service life ≥ 100,000 cycles
Soldering heat resistance and operating temperature Reflow soldering peak: 260 °C / 10 seconds; Operating temperature: -20 °C to +70 °C
Environmental compliance certifications Environmental Standards Compliant with EU RoHS 2.0 and REACH environmental lead-free standards
Welding Conditions
Welding Conditions
◆ Manual soldering

Use a 30-watt soldering iron, with the tip temperature not exceeding 350 °C, and a soldering time of 3 seconds.


◆ Wave soldering / reflow soldering

Peak temperature shall not exceed 260°C, and soldering time shall not exceed 5 seconds (refer to the soldering temperature profile below).

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