AIR CORE INDUCTORS High-Reliability Air Core Inductors MS350RAT MS394RAT ■High Q over a wide range of frequencies ■High temperature materials allow operation in ambient temperatures up to 155°C. ■Tin-lead (Sn-Pb) terminations ensure the best possible board adhesion Terminations Tin-lead (63/37) over copper Ambient temperature –55°C to +125°C with Imax current, +125°C to +155°C with derated current Storage temperature Component: –55°C to +155°C. Tape and reel 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 MS350RAT: 500 per 7″ reel Plastic tape: 8 mm wide, 0.3 mm thick, 4 mm pocket spacing, 1.5 mm pocket depth MS394RAT: 500 per 7″ reel Plastic tape: 12 mm wide, 0.3 mm thick, 4 mm pocket spacing, 1.6 mm pocket depth SRF DCR L2 Percent Q3 min4 max5 Imax Part number1 Turns(nH) tol min (GHz)(mOhm) (A) MS350RAT1N7KSZ2 1.65 10 100 10.0 4.0 1.6 MS350RAT2N6JSZ3 2.55 5 100 8.2 5.0 1.6 MS350RAT3N9_SZ4 3.85 5,2 100 7.5 6.0 1.6 MS350RAT5N4_SZ5 5.40 5,2 100 7.0 8.0 1.6 MS394RAT5N6_SZ6 5.60 5,2 100 6.5 9.0 1.6 MS394RAT7N2_SZ7 7.15 5,2 100 6.0 10 1.6 MS394RAT8N8_SZ8 8.80 5,2 100 6.0 12 1.6 MS394RAT9N9_SZ9 9.85 5,2 100 5.2 13 1.6 MS394RAT13N_SZ10 12.55 5,2 100 4.6 14 1.6 1. When ordering, specify tolerance and testing codes: MS394RAT10GSZ 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 800 MHz on an Agilent/HP 4286A or equivalent with a Coilcraft SMD-A test fixture and correlation. 3. Q measured at 800 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. Parts with SRF >5 GHz are verified to >5 GHz in screening. 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. Dimensions are in ® These parts are preproduction products for electrical evaluation only. Specification subject to change without notice. Document MS163-1 Revised 09/08/11 1102 Silver Lake Road Cary IL 60013 © Coilcraft, Inc. 2011 inches mm Phone 800-981-0363 Fax 847-639-1508 E-mail [email protected] Web www.coilcraft-cps.com AIR CORE INDUCTORS MS350RAT/MS394RAT Air Core Inductors L vs Frequency – MS394RAT Series 14 14 12 12 10 10 8 6 5.40 nH 4 3.85 nH 2 2.55 nH 1.65 nH 0 100 7.15 nH 6 5.60 nH 4 100 1000 Frequency (MHz) 250 5.40 nH 150 100 7.15 nH 8.80 nH 5.60 nH 12.55 nH 9.85 nH 200 Q factor Q factor 8.80 nH Q vs Frequency – MS394RAT Series 2.55 nH 1.65 nH 3.85 nH 200 9.85 nH 8 0 Frequency (MHz) 250 12.55 nH 2 1000 Q vs Frequency – MS350RAT Series 150 100 50 50 0 Inductance (nH) Inductance (nH) L vs Frequency – MS350RAT Series 100 0 1000 Frequency (MHz) 100 1000 Frequency (MHz) Typical Current Derating 120 110 90 80 70 60 50 40 25°C Percent of rated Irms 100 30 20 10 0 -55 -40 -20 0 20 40 60 80 100 120 140 160 Ambient temperature (°C) ® These parts are preproduction products for electrical evaluation only. Specification subject to change without notice. Document MS163-2 Revised 09/08/11 1102 Silver Lake Road Cary IL 60013 © Coilcraft, Inc. 2011 Phone 800-981-0363 Fax 847-639-1508 E-mail [email protected] Web www.coilcraft-cps.com