AIR CORE INDUCTORS 200°C Air Core Inductors AT426RAT AT446RAT ■Only 2 mm tall ■High Q over a wide range of frequencies ■Low DCR and excellent current handling capability ■Special materials allow operation in ambient temperatures as low as –60°C and up to 200°C. ■Passes NASA low outgassing specifications ■Tin-lead (Sn-Pb) terminations ensure the best possible board adhesion Inductance2Percent Q SRF min4 DCR max5 Imax Wt Part number1 Turns (nH)tolerance min3(GHz)(mOhm) (A) (mg) AT426RAT5N5_SZ3 AT426RAT9N0_SZ4 AT426RAT13N_SZ5 AT446RAT16N_SZ7 AT446RAT18N_SZ8 AT446RAT23N_SZ9 AT446RAT27N_SZ10 5.5 9.0 13.0 16.0 18.0 23.0 27.0 5,2 5,2 5,2 5,2 5,2 5,2 5,2 1. When ordering, specify tolerance and testing codes: 2.6 3.4 3.9 5.2 6.0 6.8 7.9 4.0 52 4.0 65 4.0 78 4.0 110 4.0 118 4.0 133 4.0 147 Ambient temperature –60°C to +155°C with Imax current, +155°C to +200°C with derated current Storage temperature Component: –60°C to +200°C. Packaging: –55°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) Enhanced crush-resistant packaging 1000 per 7″reel Plastic tape: 2 mm wide, 0.23 mm thick, 8 mm pocket spacing, 2.2 mm pocket depth Specifications subject to change without notice. Please check our website for latest information. 1102 Silver Lake Road Cary IL 60013 © Coilcraft, Inc. 2011 5.0 4.0 3.0 3.0 2.9 2.6 2.3 Terminations Tin-lead (63/37) over copper AT446RAT27NGSZ Tolerance: G =2% J = 5% Testing:Z =COTS H =Screening per Coilcraft CP-SA-10001 N =Screening per Coilcraft CP-SA-10003 2. Inductance measured at 250 MHz on an Agilent/HP 4286A or equivalent with a Coilcraft SMD-A test fixture and correlation. 3. Q measured at 250 MHz on an Agilent/HP 4291A or equivalent with a 16193A test fixture or equivalent. 4. SRF measured on an Agilent/HP 8753ES or equivalent with a Coilcraft CCF1268 test fixture. 5. DCR measured on a Keithley 580 Micro-Ohmmeter or equivalent. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. ® 115 120 100 110 110 110 110 Document AT404-1 Revised 09/08/11 Phone 800-981-0363 Fax 847-639-1508 E-mail [email protected] Web www.coilcraft-cps.com AIR CORE INDUCTORS AT426RAT / AT446RAT Low Profile Air Core Inductors Typical L vs Frequency Typical Q vs Frequency 50 300 45 275 27.0 nH 23.0 nH 30 25 18.0 nH 20 16.0 nH 15 13.0 nH 200 175 150 125 100 75 10 50 5 0 18.0 nH 23.0 nH 27.0 nH 225 35 Q factor Inductance (nH) 40 13.0 nH 16.0 nH 250 1 10 100 1000 25 0 10000 1 10 100 Frequency (MHz) 1000 10000 Frequency (MHz) Typical Current Derating 120 110 90 80 70 60 50 40 30 25°C Percent of rated Irms 100 20 10 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 180 200 Ambient temperature (°C) Suggested Land Patterns Dimensions are in ® Specifications subject to change without notice. Please check our website for latest information. 1102 Silver Lake Road Cary IL 60013 © Coilcraft, Inc. 2011 inches mm Document AT404-2 Revised 09/08/11 Phone 800-981-0363 Fax 847-639-1508 E-mail [email protected] Web www.coilcraft-cps.com