2.4 ghz surface mount, above metal, low profile min i chip antenna p/n 2450AT42E010B this antenna must have metal directly underneath on bottom layer in order to function properly detail specification: page 1 of 4 this is the web version of this datasheet, for the full datasheet, please contact us at: www.johansont echnology.com/ask-a-question 1 l 2 w 3 t 4 www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.3 89.1166 fax 805.389.1821 2016 johanson technology, inc. all rights reserved this antenna is specifically designed for pcbs that have 1-2mm of total thickness gnd 2 make sure to have pin 2 soldered to its pcb land pa d but not connected to gnd or input, it must be nc (or float ing). t & r impedance 50 ? storage temp q'ty/reel (pcs) 2,000 pcs -40 to +85c operating temp -40 to +85c power capacity 2w max. (cw) 0.20 0.20 ver. 1.3 if you'd like the complete datasheet which includes detailed layout specs, tuning techniques, and application notes for iot/wearables , send us as message at: www.johansontechnology.com/ask-a-question 1 total top layer area occupied by antenna is 6.3x3.0 mm 2.00 1.50 0.20 0.059 0.008 in 0.197 0.079 0.008 0.008 gnd terminal configuration part number explanation suffix = s suffix = e mechanical specifications 1 evb p/n p/n suffix packing style e.g.. 2450AT42E010Bs e.g.. 2450AT42E010Be 2450AT42E010B-eb1sma (comes with 1 female sma conne ctor) bulk mm 5.00 nc 2 "high frequency ceramic solutions" -2.0 dbi typ. (yz-v) feeding point 10/17/2016 peak gain frequency (mhz) part number general specifications 2450AT42E010B 2400 - 2480 storage period 18 months max. total average radiated efficiency on pcb feature on "mounting considerations 1" ( orderable evb p/n: 2 450at42e010b-eb1sma) is ~35% this antenna was designed in mind for small coin ce ll, wearable, iot, 2.4 ble, 802.11, ism, zigbee, et c. applications in close-range networks where metal or a battery/displ ay covers the entire length or side of the pcb or e ncasement must be present directly under the antenna and there's no r oom for usual/typical antenna metal clearance. antenna mounts directly above or below the metal layer of pcb. no antenna clearance required t (thickness) l w
2.4 ghz surface mount, above metal, low profile min i chip antenna p/n 2450AT42E010B this antenna must have metal directly underneath on bottom layer in order to function properly detail specification: page 2 of 4 this is the web version of this datasheet, for the full datasheet, please contact us at: www.johansont echnology.com/ask-a-question www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.3 89.1166 fax 805.389.1821 2016 johanson technology, inc. all rights reserved and delivery conditions when placing your order. al l sales are subject to johanson technology, inc. te rms and conditions. ver. 1.3 "high frequency ceramic solutions" 10/17/2016 if you'd like the complete datasheet which includes detailed layout specs, tuning techniques, and application notes for iot/wearables, send us as message at: www.johansontechnology.com/ask-a-question typical electrical characteristics (t=25 c) radiation patterns@2.44ghz johanson technology, inc. reserves the right to mak e design changes without notice. please confirm the specifications y : (phi)=90o x : (phi)=0o z : (theta)=0o xy-plane @2440mhz total xz-plane @2440mhz total yz-plane @2440mhz total
2.4 ghz surface mount, above metal, low profile min i chip antenna p/n 2450AT42E010B this antenna must have metal underneath in order to function properly detail specification: page 3 of 4 www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.3 89.1166 fax 805.389.1821 2016 johanson technology, inc. all rights reserved and delivery conditions when placing your order. al l sales are subject to johanson technology, inc. te rms and conditions. ver. 1.3 "high frequency ceramic solutions" how to choose the correct antenna variant refer to the table below for substrate thickness an d the corresponding antenna variation. pcb substrate thickness recommended jti pn 1.0mm 2450at42e0100 1.0mm - 2.0mm 29.20% 23.30% 0.93% johanson technology, inc. reserves the right to mak e design changes without notice. please confirm the specifications 2.30% 2450at42e010 b we encourage you to use a relatively thick dielect ric layer below antenna, as we have seen a direct correlation between substrate thickness and antenna performance. note: "h" substrate thickness of <0.25mm (10mil) i s not recommended. the component will still work an d radiate, just not optimally. if you'd like the complete datasheet which includes detailed layout specs, tuning techniques, and application notes for iot/wearables , send us as message at: www.johansontechnology.com/ask-a-question 2450at42e0100 2450AT42E010B 2450at42e010c pcb substrate thickness (h) h = 0.12 mm 1.95% 41.90% 1.02% 9.30% 10/17/2016 h = 2.5 mm 21.60% 34.20% 38.40% typical efficiency values @ 2.44ghz for various sce narios for a 30x50mm pcb the following efficiency values represent performan ce on a 30x50mm evb like on page 2. please note tha t antenna efficiency varies widely with board layout, size an d surroundings. h = 0.7 mm h = 1.5 mm simulated antenna efficiency(%) @ 2.44ghz 13.80% 2.0mm 2450at42e010 c
2.4 ghz surface mount, above metal, low profile min i chip antenna p/n 2450AT42E010B this antenna must have metal directly underneath on bottom layer in order to function properly detail specification: page 4 of 4 this is the web version of this datasheet, for the full datasheet, please contact us at: www.johansont echnology.com/ask-a-question www.johansontechnology.com 4001 calle tecate ? camarillo, ca 93012 ? tel 805.3 89.1166 fax 805.389.1821 2016 johanson technology, inc. all rights reserved ver. 1.3 antenna layout review, tuning, and characterization services rohs compliance msl info www.johansontechnology.com/msl-rating p/n explanation and breakdown www.johansontechnology.com/ipc-pn-explained www.johansontechnology.com/ipc-antenna-services www.johansontechnology.com/rohs-compliance if you'd like the complete datasheet which includes detailed layout specs, tuning techniques, and application notes for iot/wearables , send us as message at: www.johansontechnology.com/ask-a-question "high frequency ceramic solutions" johanson technology, inc. reserves the right to mak e design changes without notice. please confirm the specifications and delivery conditions when placing your order. al l sales are subject to johanson technology, inc. te rms and conditions. www.johansontechnology.com/antennas packaging information http://www.johansontechnology.com/tape-reel-packagi ng www.johansontechnology.com/ipcsoldering-profile www.johansontechnology.com/tuning soldering information antenna layout and tuning techniques (how to obtain the new antenna matching values) more smd chip antennas at: recommended storage conditions of uninstalled product still on t&r -40 ~ +85 c, humidity 45~75%rh, 18 mos. max 10/17/2016 technical author: manuel carmona
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