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Single-pole micro-switch FSK-20-001
ULCQCC-US UL

Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 2
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 3
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 4
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 5
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 6
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 7
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 8
Single-pole micro-switch - FSK-20-001 - Yueqing Tongda Wire Electric Factory - UL / CQC / C-US UL - image - 9
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Characteristics

Number of poles
single-pole
Protection level
UL
Norms
ENEC, CQC, C-US UL
Mounting
board-mount, PCB
Other characteristics
snap-action, subminiature
Primary current

Min.: 0.1 A

Max.: 3 A

Voltage

Min.: 12 V

Max.: 250 V

Operating temperature

Min.: -25 °C
(-13 °F)

Max.: 105 °C
(221 °F)

Description

Product overview
  • Model: FSK-20-001
  • Current options: 0.1A, 3A
  • Voltage: AC 125V / 250V, DC 12V / 24V
  • Approvals: UL, cUL (CSA), VDE, ENEC, CQC


Switch technical characteristics
  • Electrical rating — 0.1A @ 250VAC (other current option: 3A)
  • Operating force — 1.0–2.5 N
  • Contact resistance — ≤300 mΩ
  • Insulation resistance — ≥100 MΩ (measured at 500 VDC)
  • Dielectric voltage — 500 V between non-connected terminals; 1500 V between terminals and metal frame
  • Electrical life — ≥50,000 cycles
  • Mechanical life — ≥100,000 cycles
  • Operating temperature — -25 to 105 °C
  • Operating frequency — electrical: 15 cycles; mechanical: 60 cycles
  • Vibration proof — frequency 10–55 Hz; amplitude 1.5 mm; three directions
  • Solder ability — >80% of immersed part covered; recommended soldering: 235 ±5 °C (immersion 2–3 s)
  • Solder heat resistance — dip soldering: 260 ±5 °C (5 ±1 s); manual soldering: 300 ±5 °C (2–3 s)
  • Test conditions — ambient temperature 20 ±5 °C; relative humidity 65 ±5% RH; air pressure 86–106 kPa


Technical specifications
  • Model designation: FSK-20-001
  • Electrical rating: 0.1A @ 250VAC (alternative 3A option)
  • Operating force: 1.0–2.5 N
  • Contact resistance: ≤300 mΩ
  • Insulation resistance: ≥100 MΩ (500 VDC)
  • Dielectric voltage: 500 V between non-connected terminals; 1500 V between terminals and metal frame
  • Electrical life: ≥50,000 cycles
  • Mechanical life: ≥100,000 cycles
  • Operating temperature range: -25 to 105 °C
  • Operating frequency: electrical 15 cycles; mechanical 60 cycles
  • Vibration resistance: 10–55 Hz, 1.5 mm amplitude
  • Solder ability: >80% coverage; suggested immersion solder: 235 ±5 °C for 2–3 s
  • Solder heat resistance: dip 260 ±5 °C (5 ±1 s); manual 300 ±5 °C (2–3 s)
  • Test conditions: 20 ±5 °C, 65 ±5% RH, 86–106 kPa
  • Approvals: UL, cUL (CSA), VDE, ENEC, CQC

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