YB16CKW01-5C05-JC

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NKK Switches YB16CKW01-5C05-JC

Pushbutton Switches SHORT BODY PUSHBUTTON

บันทึกการวิจัย

1. What this is

YB16CKW01-5C05-JC is an NKK illuminated LED pushbutton switch (UB2 low-profile LED pushbutton family; LB/UB guarded variants available) — panel-mount momentary/alternate with integral LED.

2. Part-number decode

  • Product line: NKK UB/YB/LB
  • Type: illuminated pushbutton
  • Illuminated: yes (integral LED)

3. Compatibility & ordering

NKK Switches makes high-quality toggle, rocker, pushbutton, tactile, and programmable SmartSwitch products for panel and PCB mounting. Match by type (toggle/rocker/pushbutton/programmable), actuation (momentary vs alternate), illumination, mounting, and the electrical rating, then use the NKK datasheet to confirm the exact contact form and termination encoded in the part number.

4. Data-quality note

The NKK product line and switch type are decoded from the part number (grounded in NKK's product catalog and DigiKey listings). The exact contact form, termination, and cap colour are encoded in the full order code — confirm against the NKK datasheet for a precise order (not guessed here).

5. Sources

  • NKK Switches product catalog (nkkswitches.com)
  • Distributor listing (DigiKey / Mouser) — search the exact part number

แหล่งที่มา
  1. NKK Switches — YB16CKW01-5C05-JC — nkkswitches.com

ข้อมูลจำเพาะ

Device class
illuminated pushbutton
Enriched by
nkk-decoder-2026-08-12
Illuminated
true
Lead time
91 Days
Manufacturer series
UB/YB/LB
Mouser part number
633-YB16CKW01-5C05JC
Pn status
decoded
Rohs status
Series description
NKK illuminated LED pushbutton switch (UB2 low-profile LED pushbutton family; LB/UB guarded variants available) — panel-mount momentary/alternate with integral LED

คู่มือการติดตั้งอย่างรวดเร็ว

Panel cutout: 22mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).

Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.

Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.

ขนาด

การแก้ไขปัญหา

Button doesn't respond when pressed

Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.

Works intermittently

Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.

Button feels mushy or doesn't click

The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.

สถานที่จำหน่าย

ข้อมูลจำเพาะอย่างย่อ

Device class
illuminated pushbutton
Enriched by
nkk-decoder-2026-08-12
Illuminated
true
Lead time
91 Days
Manufacturer series
UB/YB/LB