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Tyco Electronics 1478731 Tactile Switch

This tactile switch features a rectangular actuator and a Single Pole Single Throw configuration, rated for 50mA at 12 VDC. Made with a PPS case reinforced with 30% glass, it includes stainless steel components and copper alloy contacts with silver or tin plating for durability. The switch operates within a temperature range of -35°C to 85°C and has a life expectancy of up to 40,000 cycles. Designed for surface-mount installation, it offers reliable performance in compact electronic devices and control systems.

Authorized Distributors
Source:Newark
Part No:147873-1
Stock:16396
Inv Date:06-12-2026
Price: Unit price: $0.366
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Source:DigiKey
Part No:147873-1
Stock:22508
Inv Date:06-12-2026
Price: Unit price: $0.22524
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Source:DigiKey
Part No:147873-1
Stock:9000
Inv Date:06-12-2026
Price: Unit price: $0.211
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Part No:147873-1
Stock:27577
Inv Date:06-13-2026
Price: Unit price: $0.38
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Part No:147873-1
Stock:10
Inv Date:06-12-2026
Price: Unit price: $0.11
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Part No:147873-1
Stock:18954
Inv Date:06-12-2026
Price: Unit price: $0.2856
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Part No:147873-1
Stock:18954
Inv Date:06-12-2026
Price: Unit price: $0.2856
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Part No:147873-1
Stock:28
Inv Date:06-12-2026
Price: Unit price: $0.655
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Part No:147873-1
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.175
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Authorized Distributors
Part No:147873-1
Stock:6042
Inv Date:06-13-2026
Price: N/A
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Tyco Electronics 1478731 Tactile Switch Specifications:

  • Case Material: PPS with 30% glass, UL94V-0 flame rating, color see table
  • Actuator: Rectangular, surface-mount design
  • Contacts: Stainless steel moving contact, copper alloy fixed contact with silver or tin plating
  • Contact Rating: 50mA at 12 VDC
  • Initial Contact Resistance: 100 milliohms max
  • Insulation Resistance: 100 megaohms minimum at 100 VDC
  • Dielectric Strength: 500 VDC for 1 minute
  • Mechanical Life: Up to 40,000 cycles
  • Operating Temperature: -35°C to 85°C
  • Actuation Force: 180±50 grams-force
  • Actuation Travel: 0.25+0.2/-0.1 mm
  • Solderability: EIA-364-52, Class 1, Category 2
  • Solder Heat Resistance: As per 109-201, Condition B
  • Packaging: Taped and reeled per EIA 481, 2000 per reel

Buy the Buy Tyco Electronics Switch Part Number 1478731 Online

Discover the high-quality tactile switch with a rectangular actuator designed for surface-mount applications. Rated for 50mA at 12 VDC, it offers durability with up to 40,000 cycles of operation. Made from PPS with glass reinforcement, stainless steel, and copper alloy contacts with silver or tin plating, it ensures reliable performance across a temperature range of -35°C to 85°C. Ideal for electronics, control panels, and compact devices, this switch provides excellent durability, precise actuation, and easy installation for your electronic projects.

Buy Tyco Electronics 1478731 now and experience unmatched reliability and performance in electronic switching applications.

Frequently Asked Questions

Where can I buy Tyco Electronics 1478731?

You can click on the BUY or RFQ button to purchase 1478731 from an authorized Tyco Electronics distributor.

How do I troubleshoot issues or seek technical support for part 1478731?

You can download the 1478731 datasheet or visit the Tyco Electronics website for support.

Who is the manufacturer of 1478731?

Tyco Electronics

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