1812CHIPINDUCTORS
Chip Inductors for Critical ApplicationsST450RAA
■ Higher SRF values than 1812 size parts with ferrite cores
■ 2% and 1% tolerances for all values
■ 9 inductance values from 1.0 to 4.7 µH
Inductance2
(µH)
Percent
tolerance
SRF min4
(MHz)
DCR max5
(Ohms)
Imax
(mA)
Part number1
Q min3
ST450RAA102JLZ
ST450RAA122JLZ
ST450RAA152_LZ
ST450RAA182JLZ
ST450RAA222JLZ
1.0 @ 7.9 MHz
1.2 @ 7.9 MHz
1.5 @ 7.9 MHz
1.8 @ 7.9 MHz
2.2 @ 7.9 MHz
5,2,1
5,2,1
5,2,1
5,2,1
5,2,1
59 @ 50 MHz
54 @ 50 MHz
57 @ 50 MHz
57 @ 50 MHz
52 @ 50 MHz
260
230
210
190
170
1.1
1.2
1.6
2.0
2.2
530
480
430
380
340
ST450RAA272JLZ
ST450RAA332JLZ
ST450RAA392_LZ
ST450RAA472JLZ
2.7 @ 7.9 MHz
3.3 @ 7.9 MHz
3.9 @ 7.9 MHz
4.7 @ 7.9 MHz
5,2,1
5,2,1
5,2,1
5,2,1
53 @ 50 MHz
53 @ 50 MHz
53 @ 50 MHz
32 @ 10 MHz
160
145
130
115
3.2
3.8
5.0
5.4
300
270
240
230
1.When ordering, specify tolerance, termination and testing codes:
Core material Ceramic
Terminations Silver-palladium-platinum-glass frit. Other terminations
ST450RAA333JLZ
Tolerance: F = 1% G = 2% J = 5%
Termination: L = RoHS compliant silver-palladium-platinum glass frit.
Special order:
available at additional cost.
Weight: 109 – 128 mg
Ambient temperature –40°C to +125°C with Imax current, +125°C
to +140°C with derated current
S = Tin-lead (63/37) over silver-platinum-glass frit.
T = Tin-silver-copper (95.5/4/0.5) over silver-platinum-
Storage temperature Component: –55°C to +140°C.
glass frit.
Tape and reel packaging: –55°C to +80°C
P = Tin-lead (63/37) over tin over nickel over silver-
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
platinum-glass frit.
Q = Tin-silver-copper (95.5/4/0.5) over tin over nickel
Temperature Coefficient of Inductance (TCL) +25 to +155 ppm/°C
over silver-platinum-glass frit.
Testing:
Z = COTS
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
H = Screening per Coilcraft CP-SA-10001
2. Inductance measured using a Coilcraft SMD-A fixture in an Agilent/
HP 4286 impedance analyzer or equivalent with Coilcraft-provided correla-
tion pieces.
Packaging 600 per 7″ reel Plastic tape: 12 mm wide, 0.3 mm
thick, 8 mm pocket spacing, 3.7 mm pocket depth
3. Q measured at the same frequency as inductance using an Agilent/
HP 4291A with an Agilent/HP 16197 test fixture or equivalents.
4. SRF measured using an Agilent/HP 8753ES network analyzer or equiva-
lent and a Coilcraft SMD-D test fixture.
5. DCR measured on a Keithley 580 micro-ohmmeter or equivalent and a
Coilcraft CCF859 test fixture.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document ST105-1 Revised 11/06/12
®
This product may not be used in medical or high
Fax 847-639-1508
Email cps@coilcraft.com Specifications subject to change without notice.
www.coilcraft-cps.com Please check our web site for latest information.
risk applications without prior Coilcraft approval.
1102 Silver Lake Road
Cary, IL 60013
Phone 800-981-0363
© Coilcraft, Inc. 2012