The ABRACON AIAC-1812-27NK-T is a high-performance unshielded RF inductor designed for applications requiring precise inductance and high Q-factor. Manufactured in Thailand, this surface-mount device (SMD) features a standard flat cap top for automatic placement, ensuring reliable assembly in high-volume production.
Product Features
High current design suitable for demanding RF applications
Wide frequency response up to 150MHz
Excellent Q-factor and Self-Resonant Frequency (SRF)
Standard flat cap top for easy automated placement
Applications
Cordless phones
High frequency communication equipment
Intercom systems
Cable TV (CATV)
RFID systems
Metal and proximity sensors
RF power supply noise suppression
I/O filtering and frequency selection for audio devices such as loudspeakers and Hi-Fi systems
Impedance matching for transceivers
Improving switch isolation in RF circuits
Standard Specifications
Parameter
Value
Operating temperature
-40 °C to +125 °C
Storage temperature
-25°C to +60°C
Inductance and Electrical Characteristics
Part Number
Inductance
Tolerance
DCR (Max)
Q (Min)
SRF (Min)
Rated Current (Max)
Inductance Code
AIAC-1812-27NK-T
27nH
K%
4.6mΩ
100
2.70GHz
3.5A
27NK
Physical Dimensions
Size: 4.7 x 3.5 x 3.5mm
Dimension
Value (mm)
A
4.7 ± 0.3
B
3.5 ± 0.2
C
3.5 ± 0.2
D
4.3 ± 0.4
E
1.0 ± 0.3
Packaging
Reel packaging with 1,000 pcs per reel for R12J type; other part numbers are available in 2,000 pcs per reel.
Dimension
Value (mm)
W
16 ± 0.3
A0
5.7 ± 0.1
B0
7.1 ± 0.1
K0
4.2 ± 0.1
K1
2.0 ± 0.1
P
8.0 ± 0.1
F
7.5 ± 0.1
E
1.75 ± 0.1
Certifications and Disclaimers
RoHS Compliant. This product is suitable for commercial and industrial applications. Not recommended for military, aerospace, or life-critical medical applications without prior approval. For more details, please search the internet for the part number.
{"id":10026197090621,"title":"AIAC-1812-27NK-T","handle":"aiac-1812-27nk-t","description":"\u003ch3\u003eABRACON AIAC-1812-27NK-T RF Inductor - Unshielded 27nH, 150MHz, 100Q-Factor, Air Core\u003c\/h3\u003e\n\n\u003cp\u003eThe ABRACON AIAC-1812-27NK-T is a high-performance unshielded RF inductor designed for applications requiring precise inductance and high Q-factor. Manufactured in Thailand, this surface-mount device (SMD) features a standard flat cap top for automatic placement, ensuring reliable assembly in high-volume production.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh current design suitable for demanding RF applications\u003c\/li\u003e\n \u003cli\u003eWide frequency response up to 150MHz\u003c\/li\u003e\n \u003cli\u003eExcellent Q-factor and Self-Resonant Frequency (SRF)\u003c\/li\u003e\n \u003cli\u003eStandard flat cap top for easy automated placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCordless phones\u003c\/li\u003e\n \u003cli\u003eHigh frequency communication equipment\u003c\/li\u003e\n \u003cli\u003eIntercom systems\u003c\/li\u003e\n \u003cli\u003eCable TV (CATV)\u003c\/li\u003e\n \u003cli\u003eRFID systems\u003c\/li\u003e\n \u003cli\u003eMetal and proximity sensors\u003c\/li\u003e\n \u003cli\u003eRF power supply noise suppression\u003c\/li\u003e\n \u003cli\u003eI\/O filtering and frequency selection for audio devices such as loudspeakers and Hi-Fi systems\u003c\/li\u003e\n \u003cli\u003eImpedance matching for transceivers\u003c\/li\u003e\n \u003cli\u003eImproving switch isolation in RF circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStandard Specifications\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\u003eOperating temperature\u003c\/td\u003e\n \u003ctd\u003e-40 °C to +125 °C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStorage temperature\u003c\/td\u003e\n \u003ctd\u003e-25°C to +60°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInductance and Electrical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eInductance\u003c\/th\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003cth\u003eDCR (Max)\u003c\/th\u003e\n \u003cth\u003eQ (Min)\u003c\/th\u003e\n \u003cth\u003eSRF (Min)\u003c\/th\u003e\n \u003cth\u003eRated Current (Max)\u003c\/th\u003e\n \u003cth\u003eInductance Code\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAIAC-1812-27NK-T\u003c\/td\u003e\n \u003ctd\u003e27nH\u003c\/td\u003e\n \u003ctd\u003eK%\u003c\/td\u003e\n \u003ctd\u003e4.6mΩ\u003c\/td\u003e\n \u003ctd\u003e100\u003c\/td\u003e\n \u003ctd\u003e2.70GHz\u003c\/td\u003e\n \u003ctd\u003e3.5A\u003c\/td\u003e\n \u003ctd\u003e27NK\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cp\u003eSize: 4.7 x 3.5 x 3.5mm\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eValue (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA\u003c\/td\u003e\n \u003ctd\u003e4.7 ± 0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB\u003c\/td\u003e\n \u003ctd\u003e3.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eC\u003c\/td\u003e\n \u003ctd\u003e3.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD\u003c\/td\u003e\n \u003ctd\u003e4.3 ± 0.4\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eE\u003c\/td\u003e\n \u003ctd\u003e1.0 ± 0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging\u003c\/h3\u003e\n\u003cp\u003eReel packaging with 1,000 pcs per reel for R12J type; other part numbers are available in 2,000 pcs per reel.\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eValue (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW\u003c\/td\u003e\n \u003ctd\u003e16 ± 0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA0\u003c\/td\u003e\n \u003ctd\u003e5.7 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB0\u003c\/td\u003e\n \u003ctd\u003e7.1 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eK0\u003c\/td\u003e\n \u003ctd\u003e4.2 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eK1\u003c\/td\u003e\n \u003ctd\u003e2.0 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eP\u003c\/td\u003e\n \u003ctd\u003e8.0 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eF\u003c\/td\u003e\n \u003ctd\u003e7.5 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eE\u003c\/td\u003e\n \u003ctd\u003e1.75 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCertifications and Disclaimers\u003c\/h3\u003e\n\u003cp\u003eRoHS Compliant. This product is suitable for commercial and industrial applications. Not recommended for military, aerospace, or life-critical medical applications without prior approval. For more details, please search the internet for the part number.\u003c\/p\u003e\n\n\u003cp\u003eDatasheet available at: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-abr\/aiac-1812.pdf\" target=\"_blank\"\u003ehttps:\/\/www.waldomapac.com\/productfiles\/mf-abr\/aiac-1812.pdf\u003c\/a\u003e\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T03:12:17+05:30","created_at":"2025-08-15T03:12:18+05:30","vendor":"Waldom Electonics","type":"Inductors, Chokes \u0026 Coils","tags":["ABRAC","Chokes","Coils","IMPORT_CSV","Inductors","RF","Shield","Smd","WLDM"],"price":2218,"price_min":2218,"price_max":2218,"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":50621728784701,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"AIAC-1812-27NK-T","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"AIAC-1812-27NK-T","public_title":null,"options":["Default Title"],"price":2218,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"AIAC-1812-27NK-T","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/AIAC-1812-27NK-T_52364468_74cb7820.jpg?v=1755207738"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/AIAC-1812-27NK-T_52364468_74cb7820.jpg?v=1755207738","options":["Title"],"media":[{"alt":null,"id":45845270692157,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/AIAC-1812-27NK-T_52364468_74cb7820.jpg?v=1755207738"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/AIAC-1812-27NK-T_52364468_74cb7820.jpg?v=1755207738","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eABRACON AIAC-1812-27NK-T RF Inductor - Unshielded 27nH, 150MHz, 100Q-Factor, Air Core\u003c\/h3\u003e\n\n\u003cp\u003eThe ABRACON AIAC-1812-27NK-T is a high-performance unshielded RF inductor designed for applications requiring precise inductance and high Q-factor. Manufactured in Thailand, this surface-mount device (SMD) features a standard flat cap top for automatic placement, ensuring reliable assembly in high-volume production.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh current design suitable for demanding RF applications\u003c\/li\u003e\n \u003cli\u003eWide frequency response up to 150MHz\u003c\/li\u003e\n \u003cli\u003eExcellent Q-factor and Self-Resonant Frequency (SRF)\u003c\/li\u003e\n \u003cli\u003eStandard flat cap top for easy automated placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eCordless phones\u003c\/li\u003e\n \u003cli\u003eHigh frequency communication equipment\u003c\/li\u003e\n \u003cli\u003eIntercom systems\u003c\/li\u003e\n \u003cli\u003eCable TV (CATV)\u003c\/li\u003e\n \u003cli\u003eRFID systems\u003c\/li\u003e\n \u003cli\u003eMetal and proximity sensors\u003c\/li\u003e\n \u003cli\u003eRF power supply noise suppression\u003c\/li\u003e\n \u003cli\u003eI\/O filtering and frequency selection for audio devices such as loudspeakers and Hi-Fi systems\u003c\/li\u003e\n \u003cli\u003eImpedance matching for transceivers\u003c\/li\u003e\n \u003cli\u003eImproving switch isolation in RF circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStandard Specifications\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\u003eOperating temperature\u003c\/td\u003e\n \u003ctd\u003e-40 °C to +125 °C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStorage temperature\u003c\/td\u003e\n \u003ctd\u003e-25°C to +60°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInductance and Electrical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eInductance\u003c\/th\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003cth\u003eDCR (Max)\u003c\/th\u003e\n \u003cth\u003eQ (Min)\u003c\/th\u003e\n \u003cth\u003eSRF (Min)\u003c\/th\u003e\n \u003cth\u003eRated Current (Max)\u003c\/th\u003e\n \u003cth\u003eInductance Code\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAIAC-1812-27NK-T\u003c\/td\u003e\n \u003ctd\u003e27nH\u003c\/td\u003e\n \u003ctd\u003eK%\u003c\/td\u003e\n \u003ctd\u003e4.6mΩ\u003c\/td\u003e\n \u003ctd\u003e100\u003c\/td\u003e\n \u003ctd\u003e2.70GHz\u003c\/td\u003e\n \u003ctd\u003e3.5A\u003c\/td\u003e\n \u003ctd\u003e27NK\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cp\u003eSize: 4.7 x 3.5 x 3.5mm\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eValue (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA\u003c\/td\u003e\n \u003ctd\u003e4.7 ± 0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB\u003c\/td\u003e\n \u003ctd\u003e3.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eC\u003c\/td\u003e\n \u003ctd\u003e3.5 ± 0.2\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eD\u003c\/td\u003e\n \u003ctd\u003e4.3 ± 0.4\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eE\u003c\/td\u003e\n \u003ctd\u003e1.0 ± 0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackaging\u003c\/h3\u003e\n\u003cp\u003eReel packaging with 1,000 pcs per reel for R12J type; other part numbers are available in 2,000 pcs per reel.\u003c\/p\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eValue (mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW\u003c\/td\u003e\n \u003ctd\u003e16 ± 0.3\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eA0\u003c\/td\u003e\n \u003ctd\u003e5.7 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eB0\u003c\/td\u003e\n \u003ctd\u003e7.1 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eK0\u003c\/td\u003e\n \u003ctd\u003e4.2 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eK1\u003c\/td\u003e\n \u003ctd\u003e2.0 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eP\u003c\/td\u003e\n \u003ctd\u003e8.0 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eF\u003c\/td\u003e\n \u003ctd\u003e7.5 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eE\u003c\/td\u003e\n \u003ctd\u003e1.75 ± 0.1\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCertifications and Disclaimers\u003c\/h3\u003e\n\u003cp\u003eRoHS Compliant. This product is suitable for commercial and industrial applications. Not recommended for military, aerospace, or life-critical medical applications without prior approval. For more details, please search the internet for the part number.\u003c\/p\u003e\n\n\u003cp\u003eDatasheet available at: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-abr\/aiac-1812.pdf\" target=\"_blank\"\u003ehttps:\/\/www.waldomapac.com\/productfiles\/mf-abr\/aiac-1812.pdf\u003c\/a\u003e\u003c\/p\u003e\u003cbr\u003e"}
