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8.5*8.5 high-head push button switch through-hole (SYCPB85L/N latching or non-latching optional / 250g operating force / 6-pin DIP vertical micro push button switch)

8.5×8.5mm standard large base | High-stem/high-head press structure | 250g crisp high-damping feel | 6-pin DIP through-hole stable soldering | Latching (L)/Non-latching (N) dual modes available | Free samples and CAD drawings

This 8.5×8.5mm high-head through-hole push button switch (model: SYCPB85L/N 250) features a precision structural design combining a "classic 8.5×8.5mm square large base + high-head operating actuator + 6-pin DIP through-hole terminals + 250g high-quality tactile snap dome." It is specifically tailored for hardware terminals that require penetration through thicker enclosure panels, greater structural depth, and high demands on button tactile force and circuit switching reliability. Available in both latching (L, press once to latch on / press again to release) and non-latching/momentary (N, press to connect / release to reset) action modes, it features a 6-pin multi-circuit design for flexible adaptation to different circuit control requirements. The 250g operating force provides very clear, crisp tactile feedback, effectively preventing accidental actuation. The 6-pin DIP vertical terminals bond firmly to the PCB after wave soldering, offering extremely high mechanical peel resistance. Widely used in medium and large household appliances, multimedia audio systems, security surveillance equipment, industrial control panels, and medical testing instruments. 2D/3D drawings and free sample requests are available.

Product Introduction
Product Introduction

[Product Overview] 8.5×8.5mm high-head push button switch through-hole (model: SYCPB85L/N 250 / 8.5*8.5 large base / 6-pin DIP vertical / high-stem structure / latching and non-latching optional / 250g operating force)

8.5×8.5mm high-head push button switch through-hole (push button switch / Push Button Switch 6-Pin DIP) is a product specifically designed for Home appliance control panels, multimedia audio systems, deep-cavity enclosure equipment, security devices, and industrial control instruments A high-reliability through-hole push button switch engineered for performance.

Compared to small push button switches, the 8.5×8.5mm specification offers greater mechanical structural space and higher electrical load capacity. This product achieves this through 8.5×8.5mm stable base + 6-pin DIP through-hole + 250g crisp damping tactile feel + high-head actuator , with the following core advantages:

  • 8.5×8.5mm classic large-size base with 6-pin wiring design: High structural stability, with the 6-pin design meeting the needs of double-pole double-throw (DPDT) or multi-channel signal switching, offering strong expandability.
  • 250g high-damping crisp tactile feel (anti-accidental actuation)Built-in high-quality spring and leaf spring, 250g±30g press damping with excellent tactile feedback, crisp pressing sound, effectively preventing accidental touches in daily use.
  • High-head operating plunger design (easily penetrates thick panels and deep cavities): The high-head operating plunger effectively extends the operating distance, perfectly matching thicker structural panels and enclosure press caps, with smooth and jam-free pressing travel.
  • Self-Locking (L) and Non-Locking/Reset (N) Dual Modes Optional:
    • Self-locking type (SYCPB85L): Press to lock and conduct, press again to unlock and disconnect, commonly used for power master switches and function switching.
    • Non-locking type (SYCPB85N): Press to conduct, release for automatic momentary reset, suitable for signal click, pulse trigger, and Reset reset functions.
  • 6 Pin DIP through-hole robust soldering: High pin flatness ensures full solder fillet after wave soldering, forming a strong connection with the PCB, effectively withstanding high-intensity frequent pressing.
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[Core Value and Procurement Decision Factors for Different Customer Segments]

1. For PCB Layout and Structure Engineers: Standard 8.5*8.5 package, larger space for enhanced stability

High-profile actuator with a large base simplifies integration with thicker enclosures and press caps, 6-pin layout is clear, facilitating board design and circuit routing.

2. For PE and Process Engineers: DIP through-hole wave soldering with full solder fill, low defect rate

Standard pin spacing supports automated insertion and wave soldering, excellent heat resistance during soldering, insulating plastic withstands high temperatures without deformation.

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

Dongguan Sinyin Electronic operates fully automated production, with 100% testing for electrical continuity and press feel, large in-stock inventory ensures rapid sampling and efficient delivery.

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

With the classic 8.5×8.5mm size, high-profile actuator, clear 250g actuation force, and robust DIP through-hole retention, this push-button switch is widely used in:

  • Home appliances and small appliances: Rice cookers, microwave ovens, range hoods, and air purifier panel main control keys.
  • Audio and multimedia equipment: Power amplifier speakers, mixing consoles, and mode switch keys for professional audio equipment.
  • Security and Industrial Control: Security control host, industrial instruments, power equipment control panels, and emergency reset keys.
  • Medical and testing instruments: Desktop medical analyzers and power keys for electronic testing equipment panels.
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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 8.5*8.5 high-head latching/non-latching plug-in button switch stock supply, meeting customer needs for rapid prototyping samples and 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 SYCPB85L(N)250 / 8.5×8.5mm High-Head Push Button Switch Plug-in (Push Button Switch 6-Pin DIP)
Structure and Material Specifications Dimensions / Button Shape 8.5mm × 8.5mm Square Base / High-Head Pressing Stem (High Head)
Action Mode Form Latching Type (L - Latching) / Momentary Reset Type (N - Momentary) Optional
Pin Count and Wiring Configuration 6-Pin DIP Through-Hole (Supports DPDT or Multi-Circuit Switching)
Mounting and Soldering Method DIP Through Hole, Wave Soldering
Housing and Insulating Plastic PBT / PA66 UL94-V0 High-Temperature Engineering Plastic
Contact and Terminal Material High-conductivity copper alloy terminal, silver-plated contact surface, PIN pins treated for easy soldering
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 250g ± 30g (Strong damping with crisp pressing feel, effectively preventing accidental touches)
Press travel and mechanical life Full travel: 1.0mm ~ 1.8mm; mechanical service life ≥ 100,000 cycles
Soldering heat resistance and operating temperature Wave soldering 260 ℃ / 5~10 seconds; operating temperature: -20 ℃ ~ +70 ℃
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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