Document 498-1
Shielded Power Inductors
–
SLC1049
• Designed foruse in multi-phaseVRM/VRD regulators and high
current/high frequency DC/DC converters.
• Requires only 70 mm2 of board space; can handle up to 61A.
Core material Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant matte tin over nickel over copper.
Other terminations available at additional cost.
Weight 1.25 – 1.30 g
Ambient temperature –40°C to +85°C with (40°C rise) Irms current.
Maximum part temperature +125°C (ambient + temp rise). Derating.
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°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)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 250/7″ reel; 1000/13″ reel Plastic tape: 24 mm wide,
0.35 mm thick, 12 mm pocket spacing, 5.08 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
1. When ordering, please specify termination and packaging codes:
SLC1049-151MLC
DCR
L
SRF
(mOhms)3
typ
±±0ꢀ2
(µH)
typ4 Isat5 Irms6
Part number1
max (MHz) (A)
(A)
Termination: L = RoHS compliant matte tin over nickel over copper.
Special order: T = RoHS tin-silver-copper
SLC1049-750ML_ 0.075 0.230 0.246
SLC1049-101ML_ 0.100 0.230 0.246
SLC1049-121ML_ 0.125 0.230 0.246
SLC1049-151ML_ 0.150 0.230 0.246
SLC1049-231ML_ 0.230 0.230 0.246
200 61.0 43.0
145 50.0 43.0
140 37.0 43.0
133 30.0 43.0
70 25.5 43.0
(95.5/4/0.5) or S = non-RoHS tin-lead (63/37).
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (250 per full reel).
B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge),
use code letter C instead.
0.271
max
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape (1000 per full reel). Factory order only, not
stocked.
6,88
2. Inductance tested at 100 kHz, 0.1 Vrms using an Agilent/HP 4263B
LCR meter or equivalent.
3. DCR is measured on a micro-ohmmeter at points indicated in the
dimensional diagram.
Dash number
0.401
max
10,20
Internal code
4. SRF measured with coils connected in series using an Agilent/HP
8753ES network analyzer or equivalent.
5. DC current at 25°C that causes a 20% (typ) inductance drop from its
value without current. Click for temperature derating information.
Points used for measuring DCR
0.203
5,16
6. Current that causes a 40°C 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.
max
0.118
3,00
Recommended
Land Pattern
0.100
2,54
min
0.311
7,90
0.130
3,30
0.148
3,76
inches
mm
Dimensions are in
Document 498-1 Revised 09/15/15
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