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KSR221GLFS The C&K Components KSR221GLFS is a momentary action tactile switch with a SPST-NO circuit. It is designed for surface mounting and features gull wing terminations.
Mfr Part #:

KSR221GLFS

Available from 2 distributors
Mfr Name: C&K Components
C&K Components
The C&K Components KSR221GLFS is a momentary action tactile switch with a SPST-NO circuit. It is designed for surface mounting and features gull wing terminations.
✓ Total Stock: 13,109 pcs
$ Price Range: $0.75

KSR221GLFS Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
8,109 pcs
On Request
8109 pcs On Request 1 On Request On Request On Request On Request On Request
AA2DE ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

KSR221GLFS Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Height off PCB, Vertical
Actuator Orientation
Actuator Type
Circuit
Contact Rating @ Voltage
Contact Resistance
Illumination
Ingress Protection
Insulation Resistance
Lead Spacing
Mounting Type
Operating Force
Operating Temperature
Outline
Storage Temperature
Switch Function
Tape & Reel
Termination Style
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KSR221GLFS Description

Short technical summary and product information.

The C&K Components KSR221GLFS is a sub-miniature tactile switch from the KSR Series, designed for Surface Mount Technology (SMT). It features a momentary action with a SPST-NO (Single Pole Single Throw - Normally Open) contact arrangement. The switch is rated for 0.05A at 32VDC and has a contact resistance of less than 100 mΩ.

 

With a compact outline of 6.0mm x 3.8mm and an actuator height of 2.50mm, this switch is suitable for space-constrained applications. It offers a gull wing termination style for secure SMT placement. The operating temperature range is -40°C to 85°C, and it has an ingress protection rating of IP50, indicating dust protection.

 

The KSR221GLFS is delivered on continuous tape in reels of 2,500 pieces, supporting lead-free reflow soldering processes in accordance with IEC 61760-1. Its RoHS3 compliance and MSL 1 rating make it suitable for various industrial, medical, and automotive applications.

KSR221GLFS Quick Information

Product Type: Tactile Switch
Series: KSR Series
Canonical Name: C&K Components KSR Series Sub-Miniature Tactile Switch
Subcategory: Tactile Switch

KSR221GLFS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

KSR221GLFS Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

KSR221GLFS Features

  • Momentary action tactile switch
  • SPST-NO contact arrangement
  • 0.05A @ 32VDC rating
  • Surface mount with gull wing terminals
  • Compact 6.0mm x 3.8mm outline

KSR221GLFS Applications

  • Ideal for industrial electronics
  • Suitable for medical equipment
  • Used in automotive applications
  • Features emergency stop functionality

KSR221GLFS FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the KSR221GLFS switch?

The switch operates at voltages up to 32VDC.

What is the contact arrangement of the KSR221GLFS?

It has a normally open contact arrangement (SPST-NO).

What is the operating force required for the KSR221GLFS?

The operating force is 225 gf.

What is the mechanical life expectancy of the switch?

The switch has an operating life of 100,000 operations.

What mounting style does the KSR221GLFS use?

It uses surface mount with gullwing terminals.

What is the contact resistance of the switch?

The contact resistance is less than or equal to 100 milliohms.

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