Product Description for LITTELFUSE / C&K COMPONENTS CK Part Number 719-0304-000
The CK 719-0304-000 is a high-reliability, microminiature SPDT switch designed for various electronic applications including medical, instrumentation, industrial electronics, and audio electronics. Manufactured by LITTELFUSE / C&K COMPONENTS in China, this switch features a compact design with multiple configuration options to meet diverse requirements.
Key Features & Benefits
High reliability and long operational life
Designed for low-level switching applications
Ready to implement on PCB with soldering and centering pins
Available with latching function
RoHS compliant and environmentally friendly
Technical Specifications
Function
Momentary or push-push
Contact Arrangement
1 change over contact SPDT, NO
Mode of Switching
Non-shorting
Electrical Ratings
Switching Power Max.: 240 mW DC
Switching Voltage Max.: 24 V DC
Switching Current Max.: 10 mA DC
Carrying Current at 20°C: 100 mA
Dielectric Strength (50 Hz, 1 min): 500 V
Mechanical
Total Travel: ≤ 3 mm
Switching Travel: 1.5 mm
Latching Travel: 1.8 mm
Operating Force: 1.5 ± 0.5 N (150 ± 50 grams)
Environmental
-25°C to 85°C operating temperature
Durability
≥ 5 x 10^6 operations (Momentary), ≥ 5 x 10^5 operations (Push-push)
Contact Resistance
Initial ≤ 50 mΩ; After 5 x 10^6 operations ≤ 100 mΩ
Insulation Resistance
≥ 10^10 Ω
Capacitance at 10 kHz
≤ 0.8 pF
Bounce Time
≤ 2.5 ms
Physical Dimensions & Mounting
Horizontal Distance Between Button Centers
12.7 mm (0.500") or 17.78 mm (0.700")
Vertical Distance Between Button Centers
17.78 mm (0.700")
Total Travel
≤ 3 mm
Switching Travel
1.5 mm
Terminals
PC pins for soldering
Environmental & Process Compatibility
Solderability: Compatible with wave soldering (lead-free profile) and hand soldering at 350°C for 3 seconds
Operating Temperature Range: -25°C to 85°C
Ordering Options
Our build-a-switch concept allows customization with various options including series, LED colors, button colors, and functions. For detailed configurations, please refer to the datasheet.
Datasheet & Additional Information
For detailed specifications and configurations, please view the datasheet.
Part Metadata
Part Number: 719-0304-000
Manufacturer: LITTELFUSE / C&K COMPONENTS
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: Not specified
Note: The datasheet was not processed; please search the internet for the part number for more details.
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{"id":10027591074109,"title":"719-0304-000","handle":"719-0304-000","description":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS CK Part Number 719-0304-000\u003c\/h3\u003e\n\n\u003cp\u003eThe CK 719-0304-000 is a high-reliability, microminiature SPDT switch designed for various electronic applications including medical, instrumentation, industrial electronics, and audio electronics. Manufactured by LITTELFUSE \/ C\u0026amp;K COMPONENTS in China, this switch features a compact design with multiple configuration options to meet diverse requirements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh reliability and long operational life\u003c\/li\u003e\n \u003cli\u003eDesigned for low-level switching applications\u003c\/li\u003e\n \u003cli\u003eReady to implement on PCB with soldering and centering pins\u003c\/li\u003e\n \u003cli\u003eAvailable with latching function\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and environmentally friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eFunction\u003c\/th\u003e\n \u003ctd\u003eMomentary or push-push\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Arrangement\u003c\/th\u003e\n \u003ctd\u003e1 change over contact SPDT, NO\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMode of Switching\u003c\/th\u003e\n \u003ctd\u003eNon-shorting\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Ratings\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eSwitching Power Max.: 240 mW DC\u003c\/li\u003e\n \u003cli\u003eSwitching Voltage Max.: 24 V DC\u003c\/li\u003e\n \u003cli\u003eSwitching Current Max.: 10 mA DC\u003c\/li\u003e\n \u003cli\u003eCarrying Current at 20°C: 100 mA\u003c\/li\u003e\n \u003cli\u003eDielectric Strength (50 Hz, 1 min): 500 V\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMechanical\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eTotal Travel: ≤ 3 mm\u003c\/li\u003e\n \u003cli\u003eSwitching Travel: 1.5 mm\u003c\/li\u003e\n \u003cli\u003eLatching Travel: 1.8 mm\u003c\/li\u003e\n \u003cli\u003eOperating Force: 1.5 ± 0.5 N (150 ± 50 grams)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEnvironmental\u003c\/th\u003e\n \u003ctd\u003e-25°C to 85°C operating temperature\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDurability\u003c\/th\u003e\n \u003ctd\u003e≥ 5 x 10^6 operations (Momentary), ≥ 5 x 10^5 operations (Push-push)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003eInitial ≤ 50 mΩ; After 5 x 10^6 operations ≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e≥ 10^10 Ω\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCapacitance at 10 kHz\u003c\/th\u003e\n \u003ctd\u003e≤ 0.8 pF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 2.5 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Mounting\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eHorizontal Distance Between Button Centers\u003c\/th\u003e\n \u003ctd\u003e12.7 mm (0.500\") or 17.78 mm (0.700\")\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eVertical Distance Between Button Centers\u003c\/th\u003e\n \u003ctd\u003e17.78 mm (0.700\")\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTotal Travel\u003c\/th\u003e\n \u003ctd\u003e≤ 3 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitching Travel\u003c\/th\u003e\n \u003ctd\u003e1.5 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003ePC pins for soldering\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Process Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSolderability: Compatible with wave soldering (lead-free profile) and hand soldering at 350°C for 3 seconds\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -25°C to 85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Options\u003c\/h3\u003e\n\u003cp\u003eOur build-a-switch concept allows customization with various options including series, LED colors, button colors, and functions. For detailed configurations, please refer to the datasheet.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and configurations, please view the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/digitast.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003ePart Metadata\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: 719-0304-000\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T00:47:32+05:30","created_at":"2025-08-16T00:47:32+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IMPORT_PT2","LITTE-CKCO","Switch","WLDM"],"price":4989,"price_min":4989,"price_max":4989,"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":50625637351741,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"719-0304-000","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"719-0304-000","public_title":null,"options":["Default Title"],"price":4989,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"719-0304-000","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/719-0304-000_11101486_e2a818fc.jpg?v=1755285455"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/719-0304-000_11101486_e2a818fc.jpg?v=1755285455","options":["Title"],"media":[{"alt":null,"id":45858905588029,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/719-0304-000_11101486_e2a818fc.jpg?v=1755285455"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/719-0304-000_11101486_e2a818fc.jpg?v=1755285455","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for LITTELFUSE \/ C\u0026amp;K COMPONENTS CK Part Number 719-0304-000\u003c\/h3\u003e\n\n\u003cp\u003eThe CK 719-0304-000 is a high-reliability, microminiature SPDT switch designed for various electronic applications including medical, instrumentation, industrial electronics, and audio electronics. Manufactured by LITTELFUSE \/ C\u0026amp;K COMPONENTS in China, this switch features a compact design with multiple configuration options to meet diverse requirements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh reliability and long operational life\u003c\/li\u003e\n \u003cli\u003eDesigned for low-level switching applications\u003c\/li\u003e\n \u003cli\u003eReady to implement on PCB with soldering and centering pins\u003c\/li\u003e\n \u003cli\u003eAvailable with latching function\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and environmentally friendly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eFunction\u003c\/th\u003e\n \u003ctd\u003eMomentary or push-push\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Arrangement\u003c\/th\u003e\n \u003ctd\u003e1 change over contact SPDT, NO\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMode of Switching\u003c\/th\u003e\n \u003ctd\u003eNon-shorting\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical Ratings\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eSwitching Power Max.: 240 mW DC\u003c\/li\u003e\n \u003cli\u003eSwitching Voltage Max.: 24 V DC\u003c\/li\u003e\n \u003cli\u003eSwitching Current Max.: 10 mA DC\u003c\/li\u003e\n \u003cli\u003eCarrying Current at 20°C: 100 mA\u003c\/li\u003e\n \u003cli\u003eDielectric Strength (50 Hz, 1 min): 500 V\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMechanical\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003eTotal Travel: ≤ 3 mm\u003c\/li\u003e\n \u003cli\u003eSwitching Travel: 1.5 mm\u003c\/li\u003e\n \u003cli\u003eLatching Travel: 1.8 mm\u003c\/li\u003e\n \u003cli\u003eOperating Force: 1.5 ± 0.5 N (150 ± 50 grams)\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eEnvironmental\u003c\/th\u003e\n \u003ctd\u003e-25°C to 85°C operating temperature\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eDurability\u003c\/th\u003e\n \u003ctd\u003e≥ 5 x 10^6 operations (Momentary), ≥ 5 x 10^5 operations (Push-push)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Resistance\u003c\/th\u003e\n \u003ctd\u003eInitial ≤ 50 mΩ; After 5 x 10^6 operations ≤ 100 mΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eInsulation Resistance\u003c\/th\u003e\n \u003ctd\u003e≥ 10^10 Ω\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCapacitance at 10 kHz\u003c\/th\u003e\n \u003ctd\u003e≤ 0.8 pF\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eBounce Time\u003c\/th\u003e\n \u003ctd\u003e≤ 2.5 ms\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions \u0026amp; Mounting\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eHorizontal Distance Between Button Centers\u003c\/th\u003e\n \u003ctd\u003e12.7 mm (0.500\") or 17.78 mm (0.700\")\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eVertical Distance Between Button Centers\u003c\/th\u003e\n \u003ctd\u003e17.78 mm (0.700\")\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTotal Travel\u003c\/th\u003e\n \u003ctd\u003e≤ 3 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSwitching Travel\u003c\/th\u003e\n \u003ctd\u003e1.5 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals\u003c\/th\u003e\n \u003ctd\u003ePC pins for soldering\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Process Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSolderability: Compatible with wave soldering (lead-free profile) and hand soldering at 350°C for 3 seconds\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -25°C to 85°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOrdering Options\u003c\/h3\u003e\n\u003cp\u003eOur build-a-switch concept allows customization with various options including series, LED colors, button colors, and functions. For detailed configurations, please refer to the datasheet.\u003c\/p\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and configurations, please view the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-ck\/digitast.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003ePart Metadata\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: 719-0304-000\u003c\/li\u003e\n \u003cli\u003eManufacturer: LITTELFUSE \/ C\u0026amp;K COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}
