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Document 961-1
Shielded Power Inductors
–
MLC1770
Halogen
Free
• Soft saturation makes them ideal for VRD/VRM applications
• Special materials eliminate all thermal aging issues.
• Saturation current up to 64 Amps
DCR (mOhm)
Isat (A)4
±20 drop
Irms (A)5
±2°C rise 42°C rise
Inductance2
±±20 (ꢀµ)
SRF typ3
(Mµz)
Part number1
typ
max
120 drop
320 drop
MLC1770-801ME_
MLC1770-142ME_
MLC1770-202ME_
MLC1770-282ME_
0.80
1.40
2.00
2.80
1.15
1.80
2.70
3.60
1.30
2.00
3.00
4.00
72
59
49
41
28.40
20.52
14.20
13.00
49.92
35.64
24.80
22.80
64.88
51.44
37.00
33.80
20.36
16.10
12.98
11.56
28.92
24.06
19.12
15.80
1. When ordering, please specify termination and packaging codes:
MLC1772-±8±MEC
Core material Iron
Core and winding loss Go to core loss calculator
Environmental RoHS compliant, halogen free
Weight 7.8 – 8.0 g
Termination: E = RoHS compliant tin-silver over copper
Special order, added cost: T = RoHS tin-silver-
copper (95.5/4/0.5) or
Terminations RoHS compliant tin-silver (96.5/3.5) over copper. Other
terminations available at additional cost.
S = non-RoHS tin-lead (63/37).
Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic
tape (400 parts per full reel). Quantities less than
full reel available: in tape (not machine ready) or
with leader and trailer ($25 charge).
Ambient temperature –40°C to +85°C with Irms current
Maximum part temperature: The part may be operated without
damage as long its temperature (ambient + self-heating) does not
exceed +125°C.
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 D.
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft
SMD-A fixture in an Agilent/HP 4263B LCR meter.
3. SRF measured using an Agilent/HP4291A impedance analyzer and an
Agilent/HP 16193 fixture.
4. DC current at 25°C that causes the specified inductance drop from its
value without current. Click for temperature derating information.
5. 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.
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 400 per 13″ reel Plastic tape: 24 mm wide, 0.4 mm thick,
24 mm pocket spacing, 7.0 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document 961-1 Revised 06/06/21
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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