MSD7342-184ML COILCRAFT [Coilcraft lnc.], MSD7342-184ML Datasheet

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MSD7342-184ML

Manufacturer Part Number
MSD7342-184ML
Description
Coupled Inductors for SEPIC Applications
Manufacturer
COILCRAFT [Coilcraft lnc.]
Datasheet
1.MSD7342-184ML.pdf (3 pages)

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Coupled Inductors – MSD7342 Series
Dimensions are in
0.181
0.150
© Coilcraft, Inc. 2010
0.295
4,6
3,8
7,5
0.063
max
1,6
max
0.295
123
7,5
2
0.091
3
inches
2,3
mm
max
4
1
0.028
0,7
Dot indicates
pin 1
L1
1
3
0.083
2,1
Recommended
Land Pattern
Specifications subject to change without notice.
Please check our website for latest information.
0.110
2
3
2,8
1
4
0.043
1,10
0.130
3,3
L2
2
4
The excellent coupling coefficient (k
MSD7342 series of coupled inductors ideal for use in
SEPIC applications. In SEPIC topologies, the required
inductance for each winding in a coupled inductor is
half the value needed for two separate inductors, allow-
ing selection of a part with lower DCR and higher
current handling.
These inductors provide high inductance, high efficiency
and excellent current handling in a rugged, low cost part.
They can also be used as two single inductors con-
nected in series or parallel, as a common mode choke
or as a 1 : 1 transformer.
Core material Ferrite
Terminations RoHS compliant matte tin over nickel over phos
bronze. Other terminations available at additional cost.
Weight 0.76 – 0.87g
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
Winding to winding isolation 200 Vrms
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: 16 mm wide,
0.4 mm thick, 12 mm pocket spacing, 4.9 mm pocket depth
PCB washing Only pure water or alcohol recommended
+
–
V
IN
“Selecting Coupled Inductors for SEPIC Applications”
L1
Refer to Application Note, Document 639,
Q1
Typical SEPIC schematic
C1
L2
Document 621-1 Revised 11/10/09
D1
C2
Document 621-1
0.94) makes the
+
For SEPIC
Applications
Load
V
OUT
+
–

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MSD7342-184ML Summary of contents

Page 1

... Dimensions are in mm © Coilcraft, Inc. 2010 The excellent coupling coefficient (k MSD7342 series of coupled inductors ideal for use in SEPIC applications. In SEPIC topologies, the required inductance for each winding in a coupled inductor is half the value needed for two separate inductors, allow- ing selection of a part with lower DCR and higher current handling ...

Page 2

... MSD7342-223ML_ 22 MSD7342-273ML_ 27 MSD7342-333ML_ 33 MSD7342-393ML_ 39 MSD7342-473ML_ 47 MSD7342-563ML_ 56 MSD7342-683ML_ 68 MSD7342-823ML_ 82 MSD7342-104ML_ 100 MSD7342-124ML_ 120 MSD7342-154ML_ 150 MSD7342-184ML_ 180 MSD7342-224ML_ 220 MSD7342-274ML_ 270 MSD7342-334ML_ 330 MSD7342-394ML_ 390 MSD7342-474ML_ 470 MSD7342-564ML_ 560 MSD7342-684ML_ 680 MSD7342-824ML_ 820 MSD7342-105ML_ 1000 1. Please specify termination and packaging codes: MSD7342-105MLC Termination RoHS compliant matte tin over nickel over phos bronze ...

Page 3

... Coupled Inductors for SEPIC Applications – MSD7342 Series Typical L vs Current 10000 1000 µH 1000 470 µH 100 µH 100 47 µH 10 µH 10 4.7 µH 1 0.01 0.1 Current (A) Irms Derating 120 110 100 -40 - Ambient temperature (°C) © Coilcraft, Inc. 2010 ...

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