Product Description for CK ITS40FR3SR Tactile Switches
The CK ITS40FR3SR is a high-quality illuminated tactile switch manufactured by LITTELFUSE / C&K COMPONENTS, designed for reliable operation in various electronic applications. This switch features a compact, surface-mount design with multiple mounting options, including vertical and right-angle configurations, suitable for consumer electronics, medical devices, test and measurement equipment, audio/video systems, and more.
Key Features & Benefits:
Illuminated tactile switch with LED options in various colors including Red, Yellow, Green, Blue, White, and True Green
Available in vertical and right-angle SMT and thru-hole mounting styles
Multiple caps and legends for customization
RoHS compliant and compatible with standard soldering processes
Designed for a wide operating temperature range from -25°C to +70°C
High durability with an operating life of 50,000 cycles
Electrical rating of 50mA at 12VDC
Electrical & Mechanical Specifications:
Function
Contact Resistance
Dielectric Withstanding Voltage
Insulation Resistance
Operating Force
Operating Life
Recommended Operating Stroke
N.O. momentary action
<100mΩ (initial)
>250VAC (1 min)
>100MΩ
160 ± 50gf (V1, V2, V3, R1, R2); 220 ± 50gf (R3)
50,000 cycles
0.25mm ± 0.1mm
Environmental Conditions:
Operating Temperature: -25°C to +70°C
Storage Temperature: -25°C to +80°C
Packaging & Materials:
Thru-hole: 200 pieces per tray
SMT: tape & reel packaging
Contacts/Terminals: Brass with Silver plating
Dome: Phosphor bronze with Silver plating
Base: PA
Actuator: PA
Cover (R3 option): Stainless steel
LED Options:
LED Color
Part Number Code
Forward Voltage (V)
Luminous Intensity (mcd)
Viewing Angle
No light
00
N/A
N/A
N/A
Red
10
2.5 Max
50 min
150°
Yellow
12
2.5 Max
125 min
120°
Green
13
2.5 Max
40 min
120°
Blue
14
3.6 Max
100 min
120°
White
50
3.6 Max
250 min
150°
True Green
60
3.6 Max
500 min
120°
For detailed specifications, mounting styles, and customization options, please refer to the datasheet.
Part Number: ITS40FR3SR
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: REEL
Note: Datasheet was not processed, please search the internet for the part number for more details.
{"id":10027334041917,"title":"ITS40FR3SR","handle":"its40fr3sr","description":"\u003ch3\u003eProduct Description for CK ITS40FR3SR Tactile Switches\u003c\/h3\u003e\n\u003cp\u003eThe CK ITS40FR3SR is a high-quality illuminated tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, designed for reliable operation in various electronic applications. This switch features a compact, surface-mount design with multiple mounting options, including vertical and right-angle configurations, suitable for consumer electronics, medical devices, test and measurement equipment, audio\/video systems, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIlluminated tactile switch with LED options in various colors including Red, Yellow, Green, Blue, White, and True Green\u003c\/li\u003e\n\u003cli\u003eAvailable in vertical and right-angle SMT and thru-hole mounting styles\u003c\/li\u003e\n\u003cli\u003eMultiple caps and legends for customization\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and compatible with standard soldering processes\u003c\/li\u003e\n\u003cli\u003eDesigned for a wide operating temperature range from -25°C to +70°C\u003c\/li\u003e\n\u003cli\u003eHigh durability with an operating life of 50,000 cycles\u003c\/li\u003e\n\u003cli\u003eElectrical rating of 50mA at 12VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical \u0026amp; Mechanical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003cth\u003eDielectric Withstanding Voltage\u003c\/th\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003eOperating Force\u003c\/th\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003eRecommended Operating Stroke\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eN.O. momentary action\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100mΩ (initial)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;250VAC (1 min)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;100MΩ\u003c\/td\u003e\n\u003ctd\u003e160 ± 50gf (V1, V2, V3, R1, R2); 220 ± 50gf (R3)\u003c\/td\u003e\n\u003ctd\u003e50,000 cycles\u003c\/td\u003e\n\u003ctd\u003e0.25mm ± 0.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Conditions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Temperature: -25°C to +70°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -25°C to +80°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging \u0026amp; Materials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThru-hole: 200 pieces per tray\u003c\/li\u003e\n\u003cli\u003eSMT: tape \u0026amp; reel packaging\u003c\/li\u003e\n\u003cli\u003eContacts\/Terminals: Brass with Silver plating\u003c\/li\u003e\n\u003cli\u003eDome: Phosphor bronze with Silver plating\u003c\/li\u003e\n\u003cli\u003eBase: PA\u003c\/li\u003e\n\u003cli\u003eActuator: PA\u003c\/li\u003e\n\u003cli\u003eCover (R3 option): Stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLED Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eLED Color\u003c\/th\u003e\n\u003cth\u003ePart Number Code\u003c\/th\u003e\n\u003cth\u003eForward Voltage (V)\u003c\/th\u003e\n\u003cth\u003eLuminous Intensity (mcd)\u003c\/th\u003e\n\u003cth\u003eViewing Angle\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo light\u003c\/td\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2.5 Max\u003c\/td\u003e\n\u003ctd\u003e50 min\u003c\/td\u003e\n\u003ctd\u003e150°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e2.5 Max\u003c\/td\u003e\n\u003ctd\u003e125 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e2.5 Max\u003c\/td\u003e\n\u003ctd\u003e40 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e3.6 Max\u003c\/td\u003e\n\u003ctd\u003e100 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e3.6 Max\u003c\/td\u003e\n\u003ctd\u003e250 min\u003c\/td\u003e\n\u003ctd\u003e150°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Green\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e3.6 Max\u003c\/td\u003e\n\u003ctd\u003e500 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed specifications, mounting styles, and customization options, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/its-1079693.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e ITS40FR3SR\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T23:16:02+05:30","created_at":"2025-08-15T23:16:02+05:30","vendor":"Waldom Electonics","type":"Switches","tags":["12VDC","BLU","IMPORT_CSV","IMPORT_PT2","LED","LITTE-CKCO","Switch","Tactile","WLDM"],"price":14552,"price_min":14552,"price_max":14552,"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":50625004962109,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ITS40FR3SR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ITS40FR3SR","public_title":null,"options":["Default Title"],"price":14552,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"ITS40FR3SR","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/ITS40FR3SR_49700084_80e7071f.jpg?v=1755279965"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/ITS40FR3SR_49700084_80e7071f.jpg?v=1755279965","options":["Title"],"media":[{"alt":null,"id":45857912488253,"position":1,"preview_image":{"aspect_ratio":1.23,"height":200,"width":246,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/ITS40FR3SR_49700084_80e7071f.jpg?v=1755279965"},"aspect_ratio":1.23,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/ITS40FR3SR_49700084_80e7071f.jpg?v=1755279965","width":246}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for CK ITS40FR3SR Tactile Switches\u003c\/h3\u003e\n\u003cp\u003eThe CK ITS40FR3SR is a high-quality illuminated tactile switch manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, designed for reliable operation in various electronic applications. This switch features a compact, surface-mount design with multiple mounting options, including vertical and right-angle configurations, suitable for consumer electronics, medical devices, test and measurement equipment, audio\/video systems, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIlluminated tactile switch with LED options in various colors including Red, Yellow, Green, Blue, White, and True Green\u003c\/li\u003e\n\u003cli\u003eAvailable in vertical and right-angle SMT and thru-hole mounting styles\u003c\/li\u003e\n\u003cli\u003eMultiple caps and legends for customization\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and compatible with standard soldering processes\u003c\/li\u003e\n\u003cli\u003eDesigned for a wide operating temperature range from -25°C to +70°C\u003c\/li\u003e\n\u003cli\u003eHigh durability with an operating life of 50,000 cycles\u003c\/li\u003e\n\u003cli\u003eElectrical rating of 50mA at 12VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical \u0026amp; Mechanical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003cth\u003eDielectric Withstanding Voltage\u003c\/th\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003cth\u003eOperating Force\u003c\/th\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003cth\u003eRecommended Operating Stroke\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eN.O. momentary action\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100mΩ (initial)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;250VAC (1 min)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;100MΩ\u003c\/td\u003e\n\u003ctd\u003e160 ± 50gf (V1, V2, V3, R1, R2); 220 ± 50gf (R3)\u003c\/td\u003e\n\u003ctd\u003e50,000 cycles\u003c\/td\u003e\n\u003ctd\u003e0.25mm ± 0.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Conditions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Temperature: -25°C to +70°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -25°C to +80°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging \u0026amp; Materials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThru-hole: 200 pieces per tray\u003c\/li\u003e\n\u003cli\u003eSMT: tape \u0026amp; reel packaging\u003c\/li\u003e\n\u003cli\u003eContacts\/Terminals: Brass with Silver plating\u003c\/li\u003e\n\u003cli\u003eDome: Phosphor bronze with Silver plating\u003c\/li\u003e\n\u003cli\u003eBase: PA\u003c\/li\u003e\n\u003cli\u003eActuator: PA\u003c\/li\u003e\n\u003cli\u003eCover (R3 option): Stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLED Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eLED Color\u003c\/th\u003e\n\u003cth\u003ePart Number Code\u003c\/th\u003e\n\u003cth\u003eForward Voltage (V)\u003c\/th\u003e\n\u003cth\u003eLuminous Intensity (mcd)\u003c\/th\u003e\n\u003cth\u003eViewing Angle\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo light\u003c\/td\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2.5 Max\u003c\/td\u003e\n\u003ctd\u003e50 min\u003c\/td\u003e\n\u003ctd\u003e150°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e2.5 Max\u003c\/td\u003e\n\u003ctd\u003e125 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e2.5 Max\u003c\/td\u003e\n\u003ctd\u003e40 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e3.6 Max\u003c\/td\u003e\n\u003ctd\u003e100 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e3.6 Max\u003c\/td\u003e\n\u003ctd\u003e250 min\u003c\/td\u003e\n\u003ctd\u003e150°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Green\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e3.6 Max\u003c\/td\u003e\n\u003ctd\u003e500 min\u003c\/td\u003e\n\u003ctd\u003e120°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor detailed specifications, mounting styles, and customization options, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/its-1079693.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e ITS40FR3SR\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Type:\u003c\/strong\u003e REEL\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
