Metal Domes 3.5mmRound Bonsda SD-X3C16-1D-DN

Concave nickel-coated metal shrapnel in a round form with a strength of 160 gf

Product Characteristics

Tactile metal domes are momentary switch contacts that become normally open switches when used with a printed circuit board, flex circuit, or membrane. They are placed on printed circuit boards through pressure-sensitive adhesive tape, captured in a pocket design。

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Overview

Features

- Ratings (Resistive Load): 0.1A, 50V DC

- Contact Resistance: 1Ω or less

- Insulation Resistance: 10MΩ or more

- Withstanding Voltage: 100V AC for 1 minute

Mechanical

- Operating Force: 1.0N to 2.5N (φ4mm, φ4.5mm, φ5mm)

- Lifespan: 500,000 to 1,000,000 cycles

Applications

Used in input key switches for:

- Small remote controls

- Portable AV equipment

- Educational repeaters

- Quiz buzzers

- Security system intercoms

- Access control devices

- Mobile phones and smartphones

- PDAs

- Game controllers

- Medical devices

- Automotive central control systems

Parameters

Product	Model	Diameter	Datasheet	Height	Dotted	Lifetime	Stroke	Strength	Specs
	SD-X35C10-1D-DN	3.50 +0.00/ -0.05mm		0.18±0.03mm	1 dimple	500000(cycles)	0.13±0.03mm	100±20gf	Specs Product model : SD-X35C10-1D-DN Model :SD-X35C10-1D-DN Foot width :3.50 +0.00 /-0.05mm Outer diameter :3.50 +0.00 /-0.05mm Arc height :0.13±0.03mm Voltage :0.1-50V DC Current :0.005-100mA DC Material : SUS301Materials/T(mm)0.08 Plating :Nickel Plating Work temperature :+105° -40° Storage temperature :+100° -55° apply download pdf
	SD-X35C13-1D-DN	3.50 +0.00/ -0.05mm		0.19±0.03mm	1 dimple	500000(cycles)	0.14±0.03mm	130±20gf	Specs Product model : SD-X35C13-1D-DN Model :SD-X35C13-1D-DN Foot width :3.50 +0.00 /-0.05mm Outer diameter :3.50 +0.00 /-0.05mm Arc height :0.14±0.03mm Voltage :0.1-50V DC Current :0.005-100mA DC Material : SUS301Materials/T(mm)0.08 Plating :Nickel Plating Work temperature :+105° -40° Storage temperature :+100° -55° apply download pdf
	SD-X35C16-1D-DN	3.50 +0.00/ -0.05mm		0.20±0.03mm	1 dimple	500000(cycles)	0.15±0.03mm	160±20gf	Specs Product model : SD-X35C16-1D-DN Model :SD-X35C16-1D-DN Foot width :3.50 +0.00 /-0.05mm Outer diameter :3.50 +0.00 /-0.05mm Arc height :0.15±0.03mm Voltage :0.1-50V DC Current :0.005-100mA DC Material : SUS301Materials/T(mm)0.08 Plating :Nickel Plating Work temperature :+105° -40° Storage temperature :+100° -55° apply download pdf
	SD-X35C18-1D-DN	3.50 +0.00/ -0.05mm		0.21±0.03mm	1 dimple	500000(cycles)	0.16±0.03mm	180±20gf	Specs Product model : SD-X35C18-1D-DN Model :SD-X35C18-1D-DN Foot width :3.50 +0.00 /-0.05mm Outer diameter :3.50 +0.00 /-0.05mm Arc height :0.16±0.03mm Voltage :0.1-50V DC Current :0.005-100mA DC Material : SUS301Materials/T(mm)0.08 Plating :Nickel Plating Work temperature :+105° -40° Storage temperature :+100° -55° apply download pdf
	SD-X35C20-1D-DN	3.50 +0.00/ -0.05mm		0.23±0.03mm	1 dimple	500000(cycles)	0.18±0.03mm	200±20gf	Specs Product model : SD-X35C20-1D-DN Model :SD-X35C20-1D-DN Foot width :3.50 +0.00 /-0.05mm Outer diameter :3.50 +0.00 /-0.05mm Arc height :0.18±0.03mm Voltage :0.1-50V DC Current :0.005-100mA DC Material : SUS301Materials/T(mm)0.08 Plating :Nickel Plating Work temperature :+105° -40° Storage temperature :+100° -55° apply download pdf

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Metal Domes 3.5mmRound Bonsda SD-X3C16-1D-DN

Features

Mechanical

Applications

Product · Application