ST319RAD 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. Chip Inductors - 0604SMS Series (1610)Chip Inductors for Critical Applications ST319RAD
0604 CHIP INDUCTORS
Document ST285-1 Revised 10/17/11 SRF DCR Inductance2 Percent Q 900 MHz 1.7 GHz min5 max6 Imax Part number1 (nH) tolerance3 min4 L typ Q typ L typ Q typ (GHz) (Ohms) (A) 1. When ordering, please specify termination and testing codes: ST319RAD10NJLZ Termination: L = RoHS compliant silver-palladium-platinum glass frit. Special order: S = Tin-lead (63/37) over silver-palladium-platinum-glass frit. T = Tin-silver-copper (95.5/4/0.5) over silver-palladium- platinum-glass frit. R = Tin over nickel over silver-platinum-glass frit. P = Tin-lead (63/37) over tin over nickel over silver-plati- num-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 measured at 500 MHz using a Coilcraft SMD-A fixture in an Agilent/HP 4286 impedance analyzer with Coilcraft-provided correlation pieces. 3. Q measured at 500 MHz using an Agilent/HP 4291A with an Agilent/ HP 16193 test fixture. 4. SRF measured using an Agilent/HP 8753D network analyzer and a Coilcraft SMD -D test fixture. 5. DCR measured on a Cambridge Technology micro-ohmmeter and a Coilcraft CCF858 test fixture. 6. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. ■ Combines the exceptionally high Q of an air core inductor with the rugged construction of a ceramic body component. ■ Inductance values: 1.15 nH – 10.4 nH Core material Ceramic Terminations Silver-palladium-platinum-glass frit. Other terminations available at additional cost. 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) +25 to +155 ppm/°C Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Packaging 2000 per 7″reel; Plastic tape: 8 mm wide, 0.23 mm thick, 4 mm pocket spacing, 1.27 mm pocket depth ■ Provides intermediate inductance values not available in Coilcraft’s 0603, 0402 or 0906 product families
ST319RAD Series (0604) cps@coilcraft.com www.coilcraft-cps.com © Coilcraft, Inc. 2011 Specifications subject to change without notice. Please check our website for latest information. Typical Q vs Frequency Document ST285-2 Revised 10/17/11 max max max ref E F G H I J 1,85 1,37 1,19 0,64 1,02 0,33 0,86 1,35 0,63 0,63 mm 100 120 140 160 180 200 220 Q F actor 6.8 nH 4.5 nH 10.4 nH 1.1 nH 100001000100101 Frequency( MHz) A B overall F I I G DE terminal F J C H Terminal wraparound: approx 0.007/0,18 both ends Recommended Land Pattern Pick and place material 100001000100101 F( MH ) Inductance (nH) 1.1 nH 2.6 nH 7.6 nH 6.8 nH 5.0 nH 4.5 nH 10.4 nH requency z Irms Derating Suggested Land Pattern -40 -20 02 04 06 08 0 100 140120 Ambient temperature (°C) 120 110 100 Pe rcent of rated rmsI 25°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.