Document 720 -1 Square Air Core Inductors 1515SQ 2222SQ 2929SQ • Excellent Q factors – up to 230 at 400 MHz! • Current handling as high as 5.7 Amps • Inductance values from 47 to 500 nH • Flat top and bottom for reliable pick and place and mechanical stability Designer’s Kit C438 contains 10 each of all 5% parts Terminations RoHS compliant tin-silver over copper Ambient temperature –40°C to +125°C with Irms current Maximum part temperature +145°C (ambient + temp rise). Storage temperature Component: –40°C to +145°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Temperature Coefficient of Inductance (TCL) +5 to +70 ppm/°C Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Mean Time Between Failures (MTBF) 1 billion hours PCB washing Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. See Doc787_PCB_Washing.pdf. Test Inductance2 Q4frequency SRF min5 Percent DCR max 1 3 Part number (nH)tolerance typ (MHz) (GHz) (mOhm) 1515SQ-47N_E_47 1515SQ-68N_E_68 1515SQ-82N_E_82 2222SQ-90N_E_90 2222SQ-111_E_110 2222SQ-131_E_130 2222SQ-161_E_160 2222SQ-181_E_180 2222SQ-221_E_220 2222SQ-271_E_270 2222SQ-301_E_300 2929SQ-331_E_330 2929SQ-361_E_360 2929SQ-391_E_390 2929SQ-431_E_430 2929SQ-501_E_500 5,2230 5,2230 5,2230 5,2140 5,2140 5,2140 5,2140 5,2140 5,2140 5,2 140 5,2 150 5,2 180 5,2 180 5,2 180 5,2 180 5,2 180 1. When ordering, specify tolerance, termination and packaging codes: 1515SQ-82NJEC Tolerance:G=2% J = 5% (Table shows stock tolerances in bold.) Termination:E =RoHS compliant tin-silver (96.5/3.5) over copper. Special order, added cost: T = RoHS tin-silver-copper (95.5/4/0.5) over copper or S = non-RoHS tin-lead (63/37) over copper. Packaging:C =7″ machine-ready reel. EIA-481 embossed plastic tape. B=Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D =13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked. 4001.87 6.35 4002.13 8.60 4001.79 9.40 501.15 5.50 501.00 6.50 501.00 7.50 501.00 8.25 501.10 9.50 501.00 11.0 50 0.80012.5 50 0.72013.8 50 0.66012.5 50 0.62013.5 50 0.59014.5 50 0.55015.5 50 0.50016.5 Irms6 (A) 4.9 5.5 5.6 5.0 5.7 5.4 5.7 5.0 5.0 4.3 3.7 4.7 4.5 4.4 4.2 4.3 2. Inductance measured at specified test frequency, 0.1 Vrms, 0 A using an Agilent/HP 4287A LCR meter with the following Coilcraft test fixtures: CCF1191C for 1515SQ; CCF1197A for 2222SQ and 2929SQ. 3. Tolerances in bold are stocked for immediate shipment. 4. Q measured at specified test frequency, using an Agilent/HP 4291A impedance analyzer. 5. SRF measured using an Agilent/HP 8753 network analyzer and the following Coilcraft test fixtures: CCF1143 for 1515SQ; CCF1199 for 2222SQ-90N and 2222SQ-161; CCF1200 for 2222SQ-301 and 2929SQ-501. 6.Current that causes a 20°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. 7. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Document 720-1 Revised 10/12/15 Document 720-2 Square Air Core Inductors – 1515SQ, 2222SQ, 2929SQ A max Strip length C min B D E F Recommended Land Pattern Packaging: 1515SQ-47N 500/7″reel; 2000/13″ reel Plastic tape: 12 mm wide, 0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth 1515SQ-68N 500/7″reel; 2000/13″ reel Plastic tape: 12 mm wide, 0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth 1515SQ-82N 500/7″reel; 2000/13″ reel Plastic tape: 12 mm wide, 0.26 mm thick, 8 mm pocket spacing, 4.06 mm pocket depth 2222SQ-90N 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide, 0.32 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth 2222SQ-111 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide, 0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth 2222SQ-131 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide, 0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth 2222SQ-161 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide, 0.33 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth 2222SQ-181 250/7″reel; 750/13″ reel Plastic tape: 16 mm wide, 0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth 2222SQ-221 250/7″reel; 750/13″ reel Plastic tape: 24 mm wide, 0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth 2222SQ-271 250/7″reel; 750/13″ reel Plastic tape: 24 mm wide, 0.40 mm thick, 12 mm pocket spacing, 6.10 mm pocket depth 2222SQ-301 250/7″reel; 750/13″ reel Plastic tape: 24 mm wide, 0.33 mm thick, 12 mm pocket spacing, 5.97 mm pocket depth 2929SQ-331 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide, 0.40 mm thick, 12 mm pocket spacing, 6.99 mm pocket depth 2929SQ-361 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide, 0.40 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth 2929SQ-391 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide, 0.45 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth 2929SQ-431 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide, 0.45 mm thick, 12 mm pocket spacing, 7.75 mm pocket depth 2929SQ-501 150/7″reel; 600/13″ reel Plastic tape: 24 mm wide, 0.33 mm thick, 12 mm pocket spacing, 7.49 mm pocket depth Part Weight number A B C D E F (mg) 1515SQ-47N 0.160±0.010 0.140 ±0.007 0.147 ±0.007 0.140 0.175 0.070 110 4,06 ±0,254 3,56 ±0,178 3,73 ±0,178 3,56 4,45 1,78 1515SQ-68N 0.210 ±0.010 0.140 ±0.007 0.147 ±0.007 0.190 0.175 0.070 145 5,33 ±0,254 3,56 ±0,178 3,73 ±0,178 4,83 4,45 1,78 1515SQ-82N 0.230 ±0.010 0.140 ±0.007 0.147 ±0.007 0.210 0.175 0.070 165 5,84 ±0,254 3,56 ±0,178 3,73 ±0,178 5,33 4,45 1,78 2222SQ-90N 2222SQ-111 2222SQ-131 2222SQ-161 2222SQ-181 2222SQ-221 2222SQ-271 2222SQ-301 0.205 ±0.015 5,21 ±0,381 0.250 ±0.015 6,35 ±0,381 0.265 ±0.015 6,73 ±0,381 0.290 ±0.015 7,37 ±0,381 0.320 ±0.015 8,13 ±0,381 0.390 ±0.015 9,91 ±0,381 0.460 ±0.015 11,68 ±0,381 0.470 ±0.015 11,94 ±0,381 0.215 ±0.010 5,46 ±0,254 0.220±0.010 5,59 ±0,254 0.220 ±0.010 5,59 ±0,254 0.220 ±0.010 5,59 ±0,254 0.220 ±0.010 5,59 ±0,254 0.220 ±0.010 5,59 ±0,254 0.220 ±0.010 5,59 ±0,254 0.225 ±0.010 5,72 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.224 ±0.010 5,69 ±0,254 0.255 6,48 0.265 6,73 0.265 6,73 0.265 6,73 0.265 6,73 0.265 6,73 0.265 6,73 0.265 6,73 0.085 2,16 0.085 2,16 0.085 2,16 0.085 2,16 0.085 2,16 0.085 2,16 0.085 2,16 0.085 2,16 2929SQ-331 2929SQ-361 2929SQ-391 2929SQ-431 2929SQ-501 0.405 ±0.015 10,29 ±0,381 0.445 ±0.015 11,30 ±0,381 0.485 ±0.015 12,32 ±0,381 0.520 ±0.015 13,21 ±0,381 0.550 ±0.015 14,00 ±0,381 0.295 ±0.010 7,49 ±0,254 0.295 ±0.010 7,49 ±0,254 0.295 ±0.010 7,49 ±0,254 0.295 ±0.010 7,49 ±0,254 0.290 ±0.010 7,49 ±0,254 0.285 ±0.010 0.375 0.325 7,24 ±0,254 9,53 8,26 0.285 ±0.010 0.415 0.325 7,24 ±0,254 10,541 8,26 0.285 ±0.010 0.455 0.325 7,24 ±0,254 11,56 8,26 0.285 ±0.010 0.490 0.325 7,24 ±0,254 12,45 8,26 0.285 ±0.010 0.520 0.325 7,24 ±0,254 13,21 8,26 0.09 2,29 0.09 2,29 0.09 2,29 0.09 2,29 0.09 2,29 All dimensions are in 0.175 4,45 0.230 5,84 0.245 6,22 0.260 6,60 0.290 7,37 0.360 9,14 0.420 10,67 0.440 11,18 280 330 371 425 460 550 640 650 855 928 990 1072 1160 inches . mm Recommended pick and place nozzles 1515SQ: OD: 0.170 inch; ID: 0.059 inch 2222SQ, 47 – 200 nH: 3.5 mm × 7 mm (rubber). This nozzle is available here. 2222SQ, 270 – 300 nH: 4.0 mm × 12 mm (rubber). This nozzle is available here. 2929SQ: 4.0 mm × 12 mm (rubber). This nozzle is available here. Document 720-2 Revised 10/12/15 Document 720-3 Square Air Core Inductors – 1515SQ, 2222SQ, 2929SQ Typical L vs Frequency Typical Q vs Frequency 1000 350 500 nH 47, 68, 82 nH 300 Q Factor 90, 160 nH 200 300 nH 500 nH 150 100 Inductance (nH) 300 nH 250 160 nH 90 nH 82 nH 100 68 nH 47 nH 50 10 0 1 10 100 Frequency (MHz) 1000 1 10 100 1000 Frequency (MHz) Document 720-2 Revised 10/12/15