ST573RAS Datasheet, PDF (1/2 Pages) Coilcraft lnc. – Air Core Inductor for Critical Applications

2929 AIR CORE INDUCTOR
Air Core Inductor for Critical Applications
• Excellent Q factors – up to 150 at 400 MHz!
• Current handling of 3.5 Amps
• Flat top and bottom for reliable pick and place and mechanical
stability
Terminations  RoHS compliant tin-silver over copper
Weight  1.16 g
Ambient temperature  –55°C to +125°C with Imax current, +125°C
to +145°C with derated current
Storage temperature  Component: –55°C to +145°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)
Packaging  150 per 7″reel  Plastic tape: 24 mm wide,
0.33 mm thick, 12 mm pocket spacing, 7.49 mm pocket depth
PCB washing  Only pure water or alcohol recommended

Test
^  Inductance²
Percent frequency ^  SRF min⁴
DCR max
  _{Part number}1
(nH)
tolerance
  _{Q min}3
(MHz)
(GHz)
(mOhm)
ST573RAS501_LZ
500
5,2
120
50
0.485
16.5
1. When ordering, specify tolerance, termination and testing codes:
A
ST573RAS501JLZ
max
Tolerance: G = 2%  J = 5%
Termination: L = RoHS compliant tin-silver (96.5/3.5) over copper.
Special order, added cost:
Strip
length
C
T = RoHS tin-silver-copper (95.5/4/0.5) over copper
or S = non-RoHS tin-lead (63/37) over copper.
Testing: Z = COTS
min
H = Screening per Coilcraft CP-SA-10001
2. Inductance measured at specified test frequency, 0.1 Vrms, 0 A using
B
an Agilent/HP 4287A LCR meter with the Coilcraft CCF1197A test
D
fixture.
3. Q measured at specified test frequency, using an Agilent/HP 4291A
impedance analyzer.
4. SRF measured using an Agilent/HP 8753 network analyzer and Coil-
craft CCF1200 test fixture.
5. Current that causes a 20°C temperature rise from 25°C ambient.
E
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
    
  _Imax5
(A)
3.5
A
0.550 ±0.015
14,10 ±0,381
B
0.295 ±0.010
7,49 ±0,254
C
0.285 ±0.010
7,24 ±0,254
F
R^Sec^uo^gm^gm^ese^tn^ed^ded
L_La_an_nd_dP_Pa_at_ttt_ee_rr_nn
D
E
F
0.520 0.325 0.09
13,21 8,26 2,29
inches
mm
© Coilcraft, Inc. 2012
®
Specifications subject to change without notice.
Please check our website for latest information. Document ST720-1  Revised 02/21/12
1102 Silver Lake Road
Cary IL 60013
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