The CK KSFI0M71270SHLFT tactile switch from LITTELFUSE / C&K COMPONENTS is a high-quality, sealed, soft actuated SPST-NO switch designed for reliable performance in various electronic applications. Manufactured in France, this switch complies with RoHS standards and features a compact design suitable for low-profile and industrial control systems.
Key Features:
Soft actuated switch with sealed front end for enhanced durability
Available with top and side actuation options
Electrical ratings: Max power 1 VA, Max voltage 32 VDC, Max current 50 mA
Contact resistance: < 100 mΩ
Insulation resistance: > 109 Ω at 100 V
Dielectric strength: > 250 Vrms (50 Hz, 1 min)
Operating temperature range: -40°C to 85°C (Silver), -40°C to 125°C (Gold)
Sealing options: IP60 or IP67
Mechanical life: Up to 300,000 operations depending on model
Sealed design ensures protection against dust and moisture
Specifications:
Electrical (Silver)
Electrical (Gold)
Max Power: 1 VA
Max Power: 0.2 VA
Max Voltage: 32 VDC
Max Voltage: 32 VDC
Min Voltage: 20 mV
Min Voltage: 20 mV
Max Current: 50 mA
Max Current: 10 mA
Min Current: 1 mA
Min Current: 1 mA
Contact Resistance: < 100 mΩ
Contact Resistance: < 100 mΩ
Environmental
Operating Temp: -40°C to 85°C
Operating Temp: -40°C to 125°C
Storage Temp: -55°C to 85°C
Storage Temp: -40°C to 125°C
Mechanical and Electrical Details:
Part Number
Contact Type
Force (N)
Operation Life
Travel (mm)
KSF0M211LFTR
SPST, THT pins
1.5 ± 0.5
100,000
0.25 ± 0.1
KSF0M311LFTR
SPST, THT pins
1.9 ± 0.5
100,000
0.25 ± 0.1
KSF0M411LFTR
SPST, THT pins
3.0 ± 0.75
100,000
0.25 ± 0.1
KSF0M511LFTR
SPST, THT pins
5.2 ± 1.0
100,000
0.25 ± 0.1
KSFI0V91170SH LFTR
SPST, THT pins
3.4 ± 1.5
100,000
0.65 ± 0.25
KSF0M212 LFT
SPST, THT pins
1.6 ± 0.4
300,000
0.25 ± 0.1
KSFI0M412 70SHLFT
SPST, THT pins
3.2 ± 0.8
100,000
0.75 ± 0.25
Additional Information:
Overload resistance: 40N, 1 time
Sealing options: IP60 or IP67
Package: Available in boxes of 250 or 500 pieces depending on type
Note: This product is designed for general electronic devices. For systems requiring high reliability and safety, please consult your sales representative for proper integration and usage.
{"id":10027686363453,"title":"KSFI0M71270SHLFT","handle":"ksfi0m71270shlft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK KSFI0M71270SHLFT\u003c\/strong\u003e tactile switch from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e is a high-quality, sealed, soft actuated SPST-NO switch designed for reliable performance in various electronic applications. Manufactured in France, this switch complies with RoHS standards and features a compact design suitable for low-profile and industrial control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoft actuated switch with sealed front end for enhanced durability\u003c\/li\u003e\n\u003cli\u003eAvailable with top and side actuation options\u003c\/li\u003e\n\u003cli\u003eElectrical ratings: Max power 1 VA, Max voltage 32 VDC, Max current 50 mA\u003c\/li\u003e\n\u003cli\u003eContact resistance: \u0026lt; 100 mΩ\u003c\/li\u003e\n\u003cli\u003eInsulation resistance: \u0026gt; 10\u003csup\u003e9\u003c\/sup\u003e Ω at 100 V\u003c\/li\u003e\n\u003cli\u003eDielectric strength: \u0026gt; 250 Vrms (50 Hz, 1 min)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/li\u003e\n\u003cli\u003eSealing options: IP60 or IP67\u003c\/li\u003e\n\u003cli\u003eMechanical life: Up to 300,000 operations depending on model\u003c\/li\u003e\n\u003cli\u003eSealed design ensures protection against dust and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical (Silver)\u003c\/th\u003e\n\u003cth\u003eElectrical (Gold)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power: 1 VA\u003c\/td\u003e\n\u003ctd\u003eMax Power: 0.2 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage: 32 VDC\u003c\/td\u003e\n\u003ctd\u003eMax Voltage: 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Voltage: 20 mV\u003c\/td\u003e\n\u003ctd\u003eMin Voltage: 20 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current: 50 mA\u003c\/td\u003e\n\u003ctd\u003eMax Current: 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Current: 1 mA\u003c\/td\u003e\n\u003ctd\u003eMin Current: 1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Resistance: \u0026lt; 100 mΩ\u003c\/td\u003e\n\u003ctd\u003eContact Resistance: \u0026lt; 100 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEnvironmental\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp: -40°C to 85°C\u003c\/td\u003e\n\u003ctd\u003eOperating Temp: -40°C to 125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp: -55°C to 85°C\u003c\/td\u003e\n\u003ctd\u003eStorage Temp: -40°C to 125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical and Electrical Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eContact Type\u003c\/th\u003e\n\u003cth\u003eForce (N)\u003c\/th\u003e\n\u003cth\u003eOperation Life\u003c\/th\u003e\n\u003cth\u003eTravel (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M211LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e1.5 ± 0.5\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M311LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e1.9 ± 0.5\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M411LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e3.0 ± 0.75\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M511LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e5.2 ± 1.0\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSFI0V91170SH LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e3.4 ± 1.5\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.65 ± 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M212 LFT\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e1.6 ± 0.4\u003c\/td\u003e\n\u003ctd\u003e300,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSFI0M412 70SHLFT\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e3.2 ± 0.8\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.75 ± 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOverload resistance: 40N, 1 time\u003c\/li\u003e\n\u003cli\u003eSealing options: IP60 or IP67\u003c\/li\u003e\n\u003cli\u003ePackage: Available in boxes of 250 or 500 pieces depending on type\u003c\/li\u003e\n\u003cli\u003ePart Number: \u003cstrong\u003eKSFI0M71270SHLFT\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: \u003cstrong\u003eFrance\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUOM: \u003cstrong\u003eEA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-ksfi0m71270shlft.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This product is designed for general electronic devices. For systems requiring high reliability and safety, please consult your sales representative for proper integration and usage.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T01:56:06+05:30","created_at":"2025-08-16T01:56:06+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["05A","32V","IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","SPST","Switch","Tactile","WLDM"],"price":3811,"price_min":3811,"price_max":3811,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50625779794237,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"KSFI0M71270SHLFT","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"KSFI0M71270SHLFT","public_title":null,"options":["Default Title"],"price":3811,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"KSFI0M71270SHLFT","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/KSFI0M71270SHLFT_11120530_3091d508.jpg?v=1755289569"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSFI0M71270SHLFT_11120530_3091d508.jpg?v=1755289569","options":["Title"],"media":[{"alt":null,"id":45859728163133,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSFI0M71270SHLFT_11120530_3091d508.jpg?v=1755289569"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/KSFI0M71270SHLFT_11120530_3091d508.jpg?v=1755289569","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCK KSFI0M71270SHLFT\u003c\/strong\u003e tactile switch from \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e is a high-quality, sealed, soft actuated SPST-NO switch designed for reliable performance in various electronic applications. Manufactured in France, this switch complies with RoHS standards and features a compact design suitable for low-profile and industrial control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoft actuated switch with sealed front end for enhanced durability\u003c\/li\u003e\n\u003cli\u003eAvailable with top and side actuation options\u003c\/li\u003e\n\u003cli\u003eElectrical ratings: Max power 1 VA, Max voltage 32 VDC, Max current 50 mA\u003c\/li\u003e\n\u003cli\u003eContact resistance: \u0026lt; 100 mΩ\u003c\/li\u003e\n\u003cli\u003eInsulation resistance: \u0026gt; 10\u003csup\u003e9\u003c\/sup\u003e Ω at 100 V\u003c\/li\u003e\n\u003cli\u003eDielectric strength: \u0026gt; 250 Vrms (50 Hz, 1 min)\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to 85°C (Silver), -40°C to 125°C (Gold)\u003c\/li\u003e\n\u003cli\u003eSealing options: IP60 or IP67\u003c\/li\u003e\n\u003cli\u003eMechanical life: Up to 300,000 operations depending on model\u003c\/li\u003e\n\u003cli\u003eSealed design ensures protection against dust and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical (Silver)\u003c\/th\u003e\n\u003cth\u003eElectrical (Gold)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power: 1 VA\u003c\/td\u003e\n\u003ctd\u003eMax Power: 0.2 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage: 32 VDC\u003c\/td\u003e\n\u003ctd\u003eMax Voltage: 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Voltage: 20 mV\u003c\/td\u003e\n\u003ctd\u003eMin Voltage: 20 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current: 50 mA\u003c\/td\u003e\n\u003ctd\u003eMax Current: 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Current: 1 mA\u003c\/td\u003e\n\u003ctd\u003eMin Current: 1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Resistance: \u0026lt; 100 mΩ\u003c\/td\u003e\n\u003ctd\u003eContact Resistance: \u0026lt; 100 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eEnvironmental\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp: -40°C to 85°C\u003c\/td\u003e\n\u003ctd\u003eOperating Temp: -40°C to 125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp: -55°C to 85°C\u003c\/td\u003e\n\u003ctd\u003eStorage Temp: -40°C to 125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical and Electrical Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eContact Type\u003c\/th\u003e\n\u003cth\u003eForce (N)\u003c\/th\u003e\n\u003cth\u003eOperation Life\u003c\/th\u003e\n\u003cth\u003eTravel (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M211LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e1.5 ± 0.5\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M311LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e1.9 ± 0.5\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M411LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e3.0 ± 0.75\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M511LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e5.2 ± 1.0\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSFI0V91170SH LFTR\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e3.4 ± 1.5\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.65 ± 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSF0M212 LFT\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e1.6 ± 0.4\u003c\/td\u003e\n\u003ctd\u003e300,000\u003c\/td\u003e\n\u003ctd\u003e0.25 ± 0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKSFI0M412 70SHLFT\u003c\/td\u003e\n\u003ctd\u003eSPST, THT pins\u003c\/td\u003e\n\u003ctd\u003e3.2 ± 0.8\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e0.75 ± 0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOverload resistance: 40N, 1 time\u003c\/li\u003e\n\u003cli\u003eSealing options: IP60 or IP67\u003c\/li\u003e\n\u003cli\u003ePackage: Available in boxes of 250 or 500 pieces depending on type\u003c\/li\u003e\n\u003cli\u003ePart Number: \u003cstrong\u003eKSFI0M71270SHLFT\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer: \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: \u003cstrong\u003eFrance\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUOM: \u003cstrong\u003eEA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck-ksfi0m71270shlft.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This product is designed for general electronic devices. For systems requiring high reliability and safety, please consult your sales representative for proper integration and usage.\u003c\/p\u003e\u003cbr\u003e"}
