Product Description for CK F1203 Rectangular Switch Cap
The CK F1203 Rectangular Switch Cap is a high-quality switch accessory manufactured by LITTELFUSE / C&K COMPONENTS, designed to enhance the functionality and aesthetic of your electronic switch assemblies. This product is compliant with RoHS standards and is suitable for various applications requiring durable and reliable switch caps.
Rectangular switch cap designed for use with pushbutton switches
Compatible with various switch modules, including up to 10 poles per module
Available in different mounting and switch configurations
Mechanical indicator options available
RoHS compliant for environmentally responsible manufacturing
Technical Specifications
Switching Power
Silver: 50 VA/15W, Gold: 1 VA/300 mW
Switching Voltage
Silver: 125/30V, Gold: 50/30V
Switching Current
Silver: 0.5A/0.5A, Gold: 0.04A/0.01A
Carrying Current
Silver: < 2A, Gold: <0.5A at 20°C
Dielectric Strength
Chassis/contact: >1500V, Between contacts: >1500V (50Hz, 1 min)
Operating Life
>10^5 operations (OA/EE), >3.5 x 10^4 operations (GR)
Contact Resistance
Initial: 10 mΩ typical, max 20 mΩ; After life: 100 mΩ
Insulation Resistance
>10^9 Ω between open contacts and chassis
Capacitance
At 10 kHz: 0.7 pF between contacts
Total Travel / Latching Travel
4.7mm / 3.3mm (.185 inch / .130 inch)
Operating Temperature Range
-40°C to 70°C
Materials
Housing: Polycarbonate UL 94V-0 or polyester UL 94V-0
Actuator: Polyester UL 94V-0
Movable Contacts: Bimetal brass, silver plated, gold over nickel
Stationary Contacts & Terminals: Brass, silver and gold plated
Terminal Board: Polyester UL 94V-0
Return Spring: Music wire
Chassis: Steel
Lockout Pin & Blockers: Steel
Additional Information
For detailed specifications and custom options, please refer to the datasheet. All models are RoHS compliant and compatible. To order, select desired options and consult the datasheet for configuration details.
Note: Specifications and materials listed are for standard options. For custom switches, please contact Customer Service.
For more details, please search the internet for part number F1203.
First of all, I appreciate the nice packing. The product served its purpose. But there is no response IF we ring up the number given by you is not at all responsive. which puts us in tension.
{"id":10023303446845,"title":"F1203","handle":"f1203","description":"\u003ch3\u003eProduct Description for CK F1203 Rectangular Switch Cap\u003c\/h3\u003e\n\u003cp\u003eThe CK F1203 Rectangular Switch Cap is a high-quality switch accessory manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, designed to enhance the functionality and aesthetic of your electronic switch assemblies. This product is compliant with RoHS standards and is suitable for various applications requiring durable and reliable switch caps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e F1203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA (Each)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BAG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Switch Accessories | Switch Caps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular switch cap designed for use with pushbutton switches\u003c\/li\u003e\n\u003cli\u003eCompatible with various switch modules, including up to 10 poles per module\u003c\/li\u003e\n\u003cli\u003eAvailable in different mounting and switch configurations\u003c\/li\u003e\n\u003cli\u003eMechanical indicator options available\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally responsible manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Power\u003c\/th\u003e\n\u003ctd\u003eSilver: 50 VA\/15W, Gold: 1 VA\/300 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Voltage\u003c\/th\u003e\n\u003ctd\u003eSilver: 125\/30V, Gold: 50\/30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Current\u003c\/th\u003e\n\u003ctd\u003eSilver: 0.5A\/0.5A, Gold: 0.04A\/0.01A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCarrying Current\u003c\/th\u003e\n\u003ctd\u003eSilver: \u0026lt; 2A, Gold: \u0026lt;0.5A at 20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003eChassis\/contact: \u0026gt;1500V, Between contacts: \u0026gt;1500V (50Hz, 1 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;10^5 operations (OA\/EE), \u0026gt;3.5 x 10^4 operations (GR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003eInitial: 10 mΩ typical, max 20 mΩ; After life: 100 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;10^9 Ω between open contacts and chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003eAt 10 kHz: 0.7 pF between contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Travel \/ Latching Travel\u003c\/th\u003e\n\u003ctd\u003e4.7mm \/ 3.3mm (.185 inch \/ .130 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature Range\u003c\/th\u003e\n\u003ctd\u003e-40°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHousing: Polycarbonate UL 94V-0 or polyester UL 94V-0\u003c\/li\u003e\n\u003cli\u003eActuator: Polyester UL 94V-0\u003c\/li\u003e\n\u003cli\u003eMovable Contacts: Bimetal brass, silver plated, gold over nickel\u003c\/li\u003e\n\u003cli\u003eStationary Contacts \u0026amp; Terminals: Brass, silver and gold plated\u003c\/li\u003e\n\u003cli\u003eTerminal Board: Polyester UL 94V-0\u003c\/li\u003e\n\u003cli\u003eReturn Spring: Music wire\u003c\/li\u003e\n\u003cli\u003eChassis: Steel\u003c\/li\u003e\n\u003cli\u003eLockout Pin \u0026amp; Blockers: Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck%20-%20f%20series.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. All models are RoHS compliant and compatible. To order, select desired options and consult the datasheet for configuration details.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications and materials listed are for standard options. For custom switches, please contact Customer Service.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eFor more details, please search the internet for part number \u003cstrong\u003eF1203\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-13T21:56:17+05:30","created_at":"2025-08-13T21:56:17+05:30","vendor":"Waldom Electonics","type":"Switch Accessories","tags":["IMPORT_CSV","WLDM"],"price":4296,"price_min":4296,"price_max":4296,"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":50616210686269,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"F1203","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"F1203","public_title":null,"options":["Default Title"],"price":4296,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"F1203","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/F1203_11119101_34046e92.jpg?v=1755102380"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/F1203_11119101_34046e92.jpg?v=1755102380","options":["Title"],"media":[{"alt":null,"id":45822177870141,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/F1203_11119101_34046e92.jpg?v=1755102380"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/F1203_11119101_34046e92.jpg?v=1755102380","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for CK F1203 Rectangular Switch Cap\u003c\/h3\u003e\n\u003cp\u003eThe CK F1203 Rectangular Switch Cap is a high-quality switch accessory manufactured by \u003cstrong\u003eLITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/strong\u003e, designed to enhance the functionality and aesthetic of your electronic switch assemblies. This product is compliant with RoHS standards and is suitable for various applications requiring durable and reliable switch caps.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e F1203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA (Each)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BAG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Switch Accessories | Switch Caps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular switch cap designed for use with pushbutton switches\u003c\/li\u003e\n\u003cli\u003eCompatible with various switch modules, including up to 10 poles per module\u003c\/li\u003e\n\u003cli\u003eAvailable in different mounting and switch configurations\u003c\/li\u003e\n\u003cli\u003eMechanical indicator options available\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmentally responsible manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Power\u003c\/th\u003e\n\u003ctd\u003eSilver: 50 VA\/15W, Gold: 1 VA\/300 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Voltage\u003c\/th\u003e\n\u003ctd\u003eSilver: 125\/30V, Gold: 50\/30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching Current\u003c\/th\u003e\n\u003ctd\u003eSilver: 0.5A\/0.5A, Gold: 0.04A\/0.01A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCarrying Current\u003c\/th\u003e\n\u003ctd\u003eSilver: \u0026lt; 2A, Gold: \u0026lt;0.5A at 20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd\u003eChassis\/contact: \u0026gt;1500V, Between contacts: \u0026gt;1500V (50Hz, 1 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Life\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;10^5 operations (OA\/EE), \u0026gt;3.5 x 10^4 operations (GR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact Resistance\u003c\/th\u003e\n\u003ctd\u003eInitial: 10 mΩ typical, max 20 mΩ; After life: 100 mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd\u003e\u0026gt;10^9 Ω between open contacts and chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003ctd\u003eAt 10 kHz: 0.7 pF between contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Travel \/ Latching Travel\u003c\/th\u003e\n\u003ctd\u003e4.7mm \/ 3.3mm (.185 inch \/ .130 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature Range\u003c\/th\u003e\n\u003ctd\u003e-40°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMaterials\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHousing: Polycarbonate UL 94V-0 or polyester UL 94V-0\u003c\/li\u003e\n\u003cli\u003eActuator: Polyester UL 94V-0\u003c\/li\u003e\n\u003cli\u003eMovable Contacts: Bimetal brass, silver plated, gold over nickel\u003c\/li\u003e\n\u003cli\u003eStationary Contacts \u0026amp; Terminals: Brass, silver and gold plated\u003c\/li\u003e\n\u003cli\u003eTerminal Board: Polyester UL 94V-0\u003c\/li\u003e\n\u003cli\u003eReturn Spring: Music wire\u003c\/li\u003e\n\u003cli\u003eChassis: Steel\u003c\/li\u003e\n\u003cli\u003eLockout Pin \u0026amp; Blockers: Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and custom options, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-ck\/ck%20-%20f%20series.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. All models are RoHS compliant and compatible. To order, select desired options and consult the datasheet for configuration details.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifications and materials listed are for standard options. For custom switches, please contact Customer Service.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eFor more details, please search the internet for part number \u003cstrong\u003eF1203\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e"}
