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1-1977177-1

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1-1977177-1

1-1977177-1

  • Description：SWITCH TACTILE SPST-NO 0.05A 24V
  • Series：FSMRAJ
  • Mfr：TE Connectivity ALCOSWITCH Switches
  • Package：Bulk

SKU:72c66a57f916 Category: Brand:

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Product Detailed Parameters

  • Description：SWITCH TACTILE SPST-NO 0.05A 24V
  • Series：FSMRAJ
  • Mfr：TE Connectivity ALCOSWITCH Switches
  • Package：Bulk
  • Circuit：SPST-NO
  • Switch Function：Off-Mom
  • Contact Rating @ Voltage：0.05A @ 24VDC
  • Actuator Type：Standard
  • Mounting Type：Through Hole, Right Angle
  • Actuator Height off PCB, Vertical：-
  • Actuator Length, Right Angle：8.35mm
  • Actuator Orientation：Side Actuated
  • Termination Style：PC Pin
  • Outline：7.11mm x 6.60mm
  • Illumination：Non-Illuminated
  • Illumination Type, Color：-
  • Illumination Voltage (Nominal)：-
  • Operating Force：160gf
  • Ingress Protection：-
  • Features：-
  • Operating Temperature：-35°C ~ 85°C

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1-1977177-1

How to buy
Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.
Payment Method
Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.
Delivery time
In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.
Freight calculation
Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.
Mode of Transportation
We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.
Return and Refund
Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.

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Buying Guide
Summary

TE Connectivity ALCOSWITCH Switches 1-1977177-1 is used in Tactile Switches category when predictable switching behavior and derating under real loads are required. Key specs include Description (SWITCH TACTILE SPST-NO 0.05A 24V), Temperature (-35°C ~ 85°C), Mounting (Through Hole, Right Angle), and Packaging (Bulk).

Selection Notes
  • For 1-1977177-1, verify the operating temperature range (-35°C ~ 85°C) and derate as needed in your application.
  • Verify Illumination (Non-Illuminated) and compare it against your reference design limits.
  • Verify the switch configuration (SPST-NO) is correct for your intended control path.
Alternates & Substitutions
  • For Tactile Switches, validate alternates under worst-case corners rather than assuming typical-only conditions represent production builds.
  • For any substitution, verify the datasheet conditions behind headline specs and validate the alternate under your worst-case operating corners.
  • Validate the min/max operating conditions (temperature -35°C ~ 85°C) and keep headroom for worst-case corners.
  • For switching parts, align contact form SPST-NO and validate life expectancy under your real duty cycle.
FAQ

How do I choose an alternate for 1-1977177-1?
Match footprint and ratings first, then confirm operating conditions and test conditions behind key specs before approval.

Which supply current is specified for 1-1977177-1?
0.05A @ 24VDC

What Outline is listed for 1-1977177-1?
7.11mm x 6.60mm

Which Termination Style is specified for 1-1977177-1?
PC Pin

Application Scenarios

TE Connectivity ALCOSWITCH Switches 1-1977177-1 shows up under Tactile Switches when designers want a well-bounded, datasheet-driven building block instead of a fragile board-level workaround. Within production equipment, consistent switching behavior reduces downtime by avoiding hard-to-reproduce intermittent states. Across real systems, switching elements are vetted for bounce, failure modes, and derating under inductive loads and repetitive surges. Across field equipment, sealing and contact materials determine long-term reliability under dust and moisture. In safety functions, proven failure modes and predictable contact behavior help prevent nuisance trips and unintended actuation. In machinery safety, reliable switching supports lockout workflows where intermittent contacts can create difficult-to-reproduce hazards. In industrial maintenance scenarios, robust switching and clear failure behavior reduce the risk of unexpected restarts or false enables.

Compatibility Advice
  • In board-level integration, check derating and thermal rise for continuous duty so performance does not drift after heat soak. This helps field behavior stay predictable across lots.
Project Fit
  • Not ideal when integrating TE Connectivity ALCOSWITCH Switches 1-1977177-1 for Tactile Switches, wiring and service conditions vary widely, increasing the chance of unsafe states, because integration risk stays high when key margins cannot be measured.
1-1977177-11-1977177-1

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