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Document 935-1
Shielded Power Inductors
–
XFL4012
Halogen
Free
• High current ratings and low DCR
• Very low profile, only 1.2 mm high
Designer’s Kit C455 contains 5 of each XFL4012 and XFL4015 value.
Core material Composite
Weight 85 – 95 mg
AEC
+
Q200 125°C
Operating voltage 0 – 20 V
Environmental RoHS compliant, halogen free
Terminations RoHS compliant tin-silver (96.5/3.5) over copper.
Other terminations available at additional cost.
Ambient temperature –40°C to +125°C with (40°C rise) Irms current.
Maximum part temperature +165°C (ambient + temp rise). Derating.
Storage temperature Component: –55°C to +165°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
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 1500/7″ reel; 5000/13″ reel Plastic tape: 12 mm wide,
0.23 mm thick, 8 mm pocket spacing, 1.40 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
DCR (mOhms)3
Isat (A)5
Irms (A)6
±2°C rise 42°C rise
Inductance2
±±20 (ꢀµ)
SRF typ4
(Mµz)
Part number1
typ
max
120 drop ±20 drop 320 drop
XFL4012-121ME_
XFL4012-251ME_
XFL4012-471ME_
XFL4012-601ME_
0.12
0.25
0.47
0.60
5.20
7.64
14.07
17.40
5.88
8.40
15.48
19.14
220
150
115
95.0
6.9
4.4
3.2
2.8
9.8
7.7
5.5
5.0
11.3
9.7
6.7
6.5
9.60
8.15
6.25
5.45
13.20
11.45
8.70
7.65
1. When ordering, please specify termination and packaging codes:
XFL421±-621MEC
Termination: E = RoHS compliant tin-silver over copper.
Special order:
Irms Testing
Irms testing was performed on
0.75 inch wide × 0.25 inch thick
copper traces in still air.
T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
Temperature rise is highly
dependent on many factors
including pcb land pattern,
trace size, and proximity to
other components. Therefore
temperature rise should be
verified in application conditions.
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (1500 parts per full reel). Quantities
less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating
the need for multiple packaging codes. When ordering, simply change the last letter of your
part number from B to C.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked
(5000 parts per full reel).
2. Inductance tested at 1 MHz, 0.1 Vrms, 0 Adc.
3. DCR measured on a micro-ohmmeter.
4. SRF measured using Agilent/HP 4395A or equivalent.
5. DC current at 25°C that causes the specified inductance drop from its value without current. Click for
temperature derating information.
6. Current that causes the specified temperature rise from 25°C ambient.This information is for reference only
and does not represent absolute maximum ratings. Click for temperature derating information.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document 935-1 Revised 11/24/21
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2021
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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