AT426RAT COILCRAFT | Alldatasheet
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cps@coilcraft.com www.coilcraft-cps.com © Coilcraft, Inc. 2011 Specifications subject to change without notice. Please check our website for latest information. AIR CORE INDUCTORS Document AT404-1 Revised 09/08/11 Inductance2 Percent Q SRF min4 DCR max5 Imax Wt Part number1 Turns (nH) tolerance min3 (GHz) (mOhm) (A) (mg) AT426RAT5N5_SZ 3 5.5 5,2 115 5.0 2.6 4.0 52 AT426RAT9N0_SZ 4 9.0 5,2 120 4.0 3.4 4.0 65 AT426RAT13N_SZ 5 13.0 5,2 100 3.0 3.9 4.0 78 AT446RAT16N_SZ 7 16.0 5,2 110 3.0 5.2 4.0 110 AT446RAT18N_SZ 8 18.0 5,2 110 2.9 6.0 4.0 118 AT446RAT23N_SZ 9 23.0 5,2 110 2.6 6.8 4.0 133 AT446RAT27N_SZ 10 27.0 5,2 110 2.3 7.9 4.0 147 1. When ordering, specify tolerance and testing codes: 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 equiva- lent 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. Terminations Tin-lead (63/37) over copper 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 AT426RAT AT446RAT200°C Air Core Inductors ■ 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
cps@coilcraft.com www.coilcraft-cps.com © Coilcraft, Inc. 2011 Specifications subject to change without notice. Please check our website for latest information. AIR CORE INDUCTORS Document AT404-2 Revised 09/08/11 AT426RAT / AT446RAT Low Profile Air Core Inductors Typical L vs Frequency Typical Q vs Frequency Typical Current Derating Dimensions are in inches mm Suggested Land Patterns 11 0 100 100001000 Frequency (MHz) 250 275 300 225 200 175 150 125 100 Q factor 13.0 nH 16.0 nH 18.0 nH 23.0 nH 27.0 nH 11 0 100 1000 10000 Frequency (MHz) Inductance (nH 13.0 nH 16.0 nH 18.0 nH 23.0 nH 27.0 nH -60 -40 -20 02 04 06 08 0 100 180 200160140120 Ambient temperature (°C) Pe rcent of rated rmsI 120 110 100 25°C