1812 CHIP INDUCTORS Chip Inductors for Critical Applications ST450RAB With inductance values up to 1000 µH, these are our highest inductance chip inductors.Their ferrite core allows higher current ratings and lower DC resistance. SRF min4 Inductance2 L test Percent Q Q test DCR max5 Imax Part number1 (µH) freq (MHz) tolerance min3 freq (MHz) (MHz)(Ohms)(mA) ST450RAB123JLZ 12 2.5 5 220.79 55 2.0 280 ST450RAB153JLZ 15 2.5 5 220.79 45 2.5 260 ST450RAB183JLZ 18 2.5 5 240.79 37 2.8 240 ST450RAB223JLZ 22 2.5 5 200.79 32 3.2 210 ST450RAB273JLZ 27 2.5 5 240.79 27 3.6 200 ST450RAB333JLZ 33 2.5 5 220.79 23 4.0 190 ST450RAB393JLZ 39 2.5 5 200.79 19 4.5 185 ST450RAB473JLZ 47 2.5 5 240.79 16 5.0 180 ST450RAB563JLZ 56 2.5 5 220.79 13 5.5 170 ST450RAB683JLZ 68 2.5 5 240.79 10 6.0 150 ST450RAB823JLZ 82 2.5 5 240.79 9.0 7.0 135 ST450RAB104JLZ 100 2.5 5 240.79 8.5 8.0 135 ST450RAB124JLZ 120 0.79 5 250.79 8.5 11.5 110 ST450RAB154JLZ 150 0.79 5 230.79 8.5 13.0 100 ST450RAB184JLZ 180 0.79 5 240.79 8.0 14.2 85 ST450RAB224JLZ 220 0.79 5 230.79 6.0 16.2 80 ST450RAB274JLZ 270 0.79 5 230.79 5.0 20.5 75 ST450RAB334JLZ 330 0.79 5 240.79 4.5 22.5 70 ST450RAB394JLZ 390 0.79 5 140.25 3.5 24.5 65 ST450RAB474JLZ 470 0.79 5 150.25 3.0 26.5 65 ST450RAB564JLZ 560 0.79 5 130.25 2.0 28.5 65 ST450RAB684JLZ 680 0.79 5 130.25 1.9 38.5 60 ST450RAB824JLZ 820 0.79 5 130.25 1.6 41.0 50 ST450RAB105JLZ 1000 0.79 5 150.25 1.5 44.0 50 1. When ordering, please specify termination and testing codes: ST450RAB105JLZ Termination:L=RoHS compliant silver-palladium-platinum glass frit. Special order: R=Tin over nickel over silver-platinum-glass frit. S=Tin-lead (63/37) over silver-platinum-glass frit. T=Tin-silver-copper (95.5/4/0.5) over silver-platinumglass frit. P=Tin-lead (63/37) over tin over nickel over silver-platinum-glass frit. Q=Tin-silver-copper (95.5/4/0.5) over tin over nickel over silver-platinum-glass frit. Testing:Z=COTS H=Screening per Coilcraft CP‑SA‑10001 2. Inductance at 2.5 MHz measured using an Agilent/HP 4286A or equivalent and a Coilcraft SMD-A fixture with Coilcraft-provided correlation pieces. Inductance at 0.79 MHz measured using an Agilent/HP 4192A or equivalent and Coilcraft SMD-B test fixture. 3. Q read at test frequency directly on an Agilent/HP 4395A impedance analyzer and an Agilent/HP 16193A test fixture or equivalents. 4. SRF measured using an Agilent/HP 8753D network analyzer or equivalent and a Coilcraft SMD-D test fixture. 5. DCR measured on a Cambridge Technology micro-ohmmeter or equivalent. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Core material Ferrite Terminations RoHS compliant silver-palladium-platinum-glass frit. Other terminations available at additional cost. Ambient temperature –40°C to +85°C with Imax current, +85°C to +100°C with derated current Storage temperature Component: –55°C to +100°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) +200 to +700 ppm/°C Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Packaging 600 per 7″ reel Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth Document ST106-1 Revised 10/14/11 ® © Coilcraft, Inc. 2012 1102 Silver Lake Road Cary, IL 60013 Phone 800-981-0363 Fax 847-639-1508 Email [email protected] www.coilcraft-cps.com This product may not be used in medical or high risk applications without prior Coilcraft approval. Specifications subject to change without notice. Please check our web site for latest information. 1812 CHIP INDUCTORS ST450RAB Series (1812) Typical Q vs Frequency Typical L vs Frequency 10000 60 55 50 Inductance (µH) 45 Q Factor 1000 µH 1000 40 47 µH 100 µH 470 µH 220 µH 35 30 22 µH 12 µH 25 20 1000 µH 470 µH 220 µH 100 µH 100 47 µH 15 10 22 µH 5 0 12 µH 0.1 10 1 10 100 0.1 100 Frequency (MHz) Current Derating C B overall 120 D F 110 100 A 90 H Pick and place material I G J F I 80 70 E terminal 60 50 40 20 10 0 -40 -20 0 20 Terminal wraparound: approx 0.015/0,38 both ends 40 60 80 100 120 Ambient temperature (°C) Note: Dimensions are before optional solder application. For maximum overall dimensions including solder, add 0.0025 in / 0,064 mm to B and 0.006 in / 0,15 mm to A and C. Document ST106-2 Revised 10/14/11 ® © Coilcraft, Inc. 2012 Suggested Recommended Land Pattern ABCD maxmaxmax ref E F G H IJ 0.1950.1500.1350.0700.1000.0250.1280.1200.0450.118inches 4,953,813,431,782,540,643,253,051,143,00 mm 30 25°C Percent of rated Irms 10 1 Frequency (MHz) 1102 Silver Lake Road Cary, IL 60013 Phone 800-981-0363 Fax 847-639-1508 Email [email protected] www.coilcraft-cps.com This product may not be used in medical or high risk applications without prior Coilcraft approval. Specifications subject to change without notice. Please check our web site for latest information.