Enhance your electronic device assembly with the high-precision OMRON XF2B-2145-31A FFC & FPC connector. Designed for reliable, secure connections in compact electronic applications, this connector features a 0.3mm pitch and a rotary backlock mechanism for easy and firm locking.
Product Features
Rotary backlock mechanism with 0.3mm pitch for secure FPC connections
Dual contact design reduces part count and enhances connection stability
Gold-plated contacts compatible with FPC thickness of 0.2mm
Wide molding wall on the rear bottom allows greater flexibility in board design
Halogen-free and RoHS compliant, meeting environmental standards
Operating temperature range: -30°C to 85°C (no icing or condensation)
Specifications
Parameter
Value
Contact Resistance
50 mΩ max (at 20 mV DC, 100 mA)
Insulation Resistance
≥ 100 MΩ (at 250 V DC)
Dielectric Strength
250 V AC for 1 minute (leakage current: ≤ 1 mA)
Insertion Durability
20 times
Materials & Finish
Housing: LCP resin (UL94 V-0), natural color
Contacts: Spring copper alloy with nickel substrate, gold-plated (0.15 μm)
Dimensions & PCB Compatibility
Designed for precise PCB mounting with specific dimensions detailed in the datasheet. Compatible with various FPC thicknesses and sizes, ensuring flexible integration into your electronic designs.
Ordering Information & Packaging
Model
Pin Count
Quantity per Reel
XF2B-2145-31A
21
1,500 units
Other Models
Varies
See datasheet for details
Additional Details
Part Number: XF2B-2145-31A
Manufacturer: OMRON ELECTRONIC COMPONENTS
Country of Origin: CN
UOM: Each (EA)
ECCN: EAR99
Package Type: Reel
For detailed specifications and technical data, please refer to the datasheet.
Note: Datasheet was not processed, please search the internet for the part number for more details.
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{"id":10027667620157,"title":"XF2B-2145-31A","handle":"xf2b-2145-31a","description":"\u003ch3\u003eOMRON ELECTRONIC COMPONENTS FFC\u0026amp;FPC Connector - 0.3mm Rotary Backlock Dual 21 Pin (Part Number: XF2B-2145-31A)\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic device assembly with the high-precision \u003cstrong\u003eOMRON XF2B-2145-31A\u003c\/strong\u003e FFC \u0026amp; FPC connector. Designed for reliable, secure connections in compact electronic applications, this connector features a 0.3mm pitch and a rotary backlock mechanism for easy and firm locking.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRotary backlock mechanism with 0.3mm pitch for secure FPC connections\u003c\/li\u003e\n \u003cli\u003eDual contact design reduces part count and enhances connection stability\u003c\/li\u003e\n \u003cli\u003eGold-plated contacts compatible with FPC thickness of 0.2mm\u003c\/li\u003e\n \u003cli\u003eWide molding wall on the rear bottom allows greater flexibility in board design\u003c\/li\u003e\n \u003cli\u003eHalogen-free and RoHS compliant, meeting environmental standards\u003c\/li\u003e\n \u003cli\u003eRated current: 0.2A AC\/DC; Rated voltage: 50V AC\/DC\u003c\/li\u003e\n \u003cli\u003eDurable with 20 insertion cycles\u003c\/li\u003e\n \u003cli\u003eOperating temperature range: -30°C to 85°C (no icing or condensation)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003e50 mΩ max (at 20 mV DC, 100 mA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003e≥ 100 MΩ (at 250 V DC)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd\u003e250 V AC for 1 minute (leakage current: ≤ 1 mA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsertion Durability\u003c\/td\u003e\n \u003ctd\u003e20 times\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterials \u0026amp; Finish\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHousing: LCP resin (UL94 V-0), natural color\u003c\/li\u003e\n \u003cli\u003eContacts: Spring copper alloy with nickel substrate, gold-plated (0.15 μm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions \u0026amp; PCB Compatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned for precise PCB mounting with specific dimensions detailed in the datasheet. Compatible with various FPC thicknesses and sizes, ensuring flexible integration into your electronic designs.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering Information \u0026amp; Packaging\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003ePin Count\u003c\/th\u003e\n \u003cth\u003eQuantity per Reel\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eXF2B-2145-31A\u003c\/td\u003e\n \u003ctd\u003e21\u003c\/td\u003e\n \u003ctd\u003e1,500 units\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOther Models\u003c\/td\u003e\n \u003ctd\u003eVaries\u003c\/td\u003e\n \u003ctd\u003eSee datasheet for details\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: XF2B-2145-31A\u003c\/li\u003e\n \u003cli\u003eManufacturer: OMRON ELECTRONIC COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed specifications and technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-om\/om-xf2b-2145-31a.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: 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":"2025-08-16T01:42:36+05:30","created_at":"2025-08-16T01:42:36+05:30","vendor":"Waldom Electonics","type":"Connector","tags":["3mm","Connector","FFC","Fpc","IMPORT_CSV","IMPORT_PT2","OMRON-ELE","WLDM"],"price":16354,"price_min":16354,"price_max":16354,"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":50625755119933,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"XF2B-2145-31A","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"XF2B-2145-31A","public_title":null,"options":["Default Title"],"price":16354,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"XF2B-2145-31A","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/XF2B-2145-31A_12058526_afbf85e2.jpg?v=1755288759"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/XF2B-2145-31A_12058526_afbf85e2.jpg?v=1755288759","options":["Title"],"media":[{"alt":null,"id":45859553771837,"position":1,"preview_image":{"aspect_ratio":0.995,"height":200,"width":199,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/XF2B-2145-31A_12058526_afbf85e2.jpg?v=1755288759"},"aspect_ratio":0.995,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/XF2B-2145-31A_12058526_afbf85e2.jpg?v=1755288759","width":199}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eOMRON ELECTRONIC COMPONENTS FFC\u0026amp;FPC Connector - 0.3mm Rotary Backlock Dual 21 Pin (Part Number: XF2B-2145-31A)\u003c\/h3\u003e\n\n\u003cp\u003eEnhance your electronic device assembly with the high-precision \u003cstrong\u003eOMRON XF2B-2145-31A\u003c\/strong\u003e FFC \u0026amp; FPC connector. Designed for reliable, secure connections in compact electronic applications, this connector features a 0.3mm pitch and a rotary backlock mechanism for easy and firm locking.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRotary backlock mechanism with 0.3mm pitch for secure FPC connections\u003c\/li\u003e\n \u003cli\u003eDual contact design reduces part count and enhances connection stability\u003c\/li\u003e\n \u003cli\u003eGold-plated contacts compatible with FPC thickness of 0.2mm\u003c\/li\u003e\n \u003cli\u003eWide molding wall on the rear bottom allows greater flexibility in board design\u003c\/li\u003e\n \u003cli\u003eHalogen-free and RoHS compliant, meeting environmental standards\u003c\/li\u003e\n \u003cli\u003eRated current: 0.2A AC\/DC; Rated voltage: 50V AC\/DC\u003c\/li\u003e\n \u003cli\u003eDurable with 20 insertion cycles\u003c\/li\u003e\n \u003cli\u003eOperating temperature range: -30°C to 85°C (no icing or condensation)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eValue\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance\u003c\/td\u003e\n \u003ctd\u003e50 mΩ max (at 20 mV DC, 100 mA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003e≥ 100 MΩ (at 250 V DC)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd\u003e250 V AC for 1 minute (leakage current: ≤ 1 mA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsertion Durability\u003c\/td\u003e\n \u003ctd\u003e20 times\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterials \u0026amp; Finish\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHousing: LCP resin (UL94 V-0), natural color\u003c\/li\u003e\n \u003cli\u003eContacts: Spring copper alloy with nickel substrate, gold-plated (0.15 μm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions \u0026amp; PCB Compatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned for precise PCB mounting with specific dimensions detailed in the datasheet. Compatible with various FPC thicknesses and sizes, ensuring flexible integration into your electronic designs.\u003c\/p\u003e\n\n\u003ch3\u003eOrdering Information \u0026amp; Packaging\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003ePin Count\u003c\/th\u003e\n \u003cth\u003eQuantity per Reel\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eXF2B-2145-31A\u003c\/td\u003e\n \u003ctd\u003e21\u003c\/td\u003e\n \u003ctd\u003e1,500 units\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOther Models\u003c\/td\u003e\n \u003ctd\u003eVaries\u003c\/td\u003e\n \u003ctd\u003eSee datasheet for details\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: XF2B-2145-31A\u003c\/li\u003e\n \u003cli\u003eManufacturer: OMRON ELECTRONIC COMPONENTS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed specifications and technical data, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-om\/om-xf2b-2145-31a.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\u003c\/em\u003e\u003c\/p\u003e\u003cbr\u003e"}