Pushbutton Switches Pushbutton
Research Notes
1. What this is
F2U0ASPTB is a C&K ELUM-family illuminated pushbutton / actuator (EL2/EDS/EDG/F2U line).
2. Part-number decode
- Product line: C&K ELUM family
- Type: illuminated pushbutton
3. Compatibility & ordering
C&K makes high-reliability electronic switches for PCB and panel mounting. Match by type (tactile / pushbutton / toggle / rotary), actuation (momentary vs latching), mounting (SMT / thru-hole / panel), and the electrical rating, then use the C&K datasheet to confirm the exact actuator height, force, and termination encoded in the part number.
4. Data-quality note
The C&K product line and switch type are identified; the detailed configuration (actuator, force, termination, contact form) is line-specific and left to the C&K datasheet rather than guessed. Flagged decoded-partial.
5. Sources
- C&K Switches series datasheet (ckswitches.com)
- Distributor listing (DigiKey / Mouser) — search the exact part number
1 source
- C&K Switches — F2U0ASPTB — ckswitches.com
规格参数
|
Device class
|
illuminated pushbutton
|
|
Enriched by
|
ck-decoder-2026-08-12
|
|
Lead time
|
0 Days
|
|
Manufacturer series
|
ELUM family
|
|
Mouser part number
|
611-F2UOASPTB
|
|
Pn status
|
decoded-partial
|
|
Rohs status
|
RoHS Compliant
|
|
Series description
|
C&K ELUM-family illuminated pushbutton / actuator (EL2/EDS/EDG/F2U line)
|
安装快速参考
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.
尺寸
故障排除
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.
快速规格
- Device class
- illuminated pushbutton
- Enriched by
- ck-decoder-2026-08-12
- Lead time
- 0 Days
- Manufacturer series
- ELUM family
- Mouser part number
- 611-F2UOASPTB
