© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
SMTPowerInductors-SLC1049 Series
Document 498-1
Document 498-1
Revised 10/20/08
1. When ordering, please specify termination and packaging codes:
SLC1049-151K
LC
Termination: L = RoHS compliant matte tin over nickel over copper.
Special order: T = RoHS tin-silver-copper (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.
D =13
″ machine-ready reel. EIA-481 embossed plastic
tape (1000 per full reel). Factory order only, not
stocked.
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.
4. SRF measured with coils connected in series using an Agilent/HP
8753ES network analyzer or equivalent.
5. DC current at which the inductance drops 20% (typ) from its value
without current.
6. Current that causes a 40°C temperature rise from 25°C ambient.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
L
SRF
±20%2 DCR ±5%3
typ4
Isat5
Irms6
Part number1
(µH)
(mOhms)
(MHz)
(A)
(A)
SLC1049-750ML_
0.075
0.273
200
61.0
43.0
SLC1049-101ML_
0.100
0.273
145
50.0
43.0
SLC1049-121ML_
0.125
0.273
140
37.0
43.0
SLC1049-151ML_
0.150
0.273
133
30.0
43.0
Recommended
Land Pattern
0.401
10,20
max
0.203
5,16
0.118
3,00
0.148
3,76
0.130
3,30
0.311
7,90
max
0.100
2,54
min
0.271
6,88
max
Dash number
Internal code
Points used for measuring DCR
Dimensions are in
inches
mm
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
Irms current, +85°C to
+125°C with derated current
Storage temperature Component: –40°C to +125°C.
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 Only pure water or alcohol recommended
• Designed foruse in multi-phase VRM/VRD regulators and
high current/high frequency DC/DC converters.
• Requires only 70 mm2 of board space; can handle up to 61 A
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