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Coupled Power Inductors
MSD7342 Series

Shielded coupled inductors for Flyback, SEPIC and other applications
See Selecting inductors for SEPIC and SEPIC Inductor Selector tool
Also suitable for use as common mode chokes
Excellent coupling coefficient: K > 0.97
200 Vrms winding-to-winding isolation
AEC-200 Grade 3 (-40°C to +85°C)
RoHS-compliant. 260°C compatible. Matte tin over nickel over phos bronze terminations
COTS Plus tin-silver-copper and tin-lead terminations available

Photo Pricing Materials declaration PDF data sheet

SPECIFICATIONS

L vs Frequency L vs Current Irms Derating Core loss

Schematics Dimensions Tape and reel specifications 3D model


MSD7342-252ML_	2.5	0.033	55	0.97	0.14	6.0	6.2	6.3	2.17	3.06
MSD7342-332ML_	3.3	0.037	43	0.99	0.09	5.2	5.3	5.4	2.05	2.89
MSD7342-472ML_	4.7	0.051	35	0.99	0.11	4.1	4.3	4.6	1.74	2.46
MSD7342-562ML_	5.6	0.063	32	0.99	0.09	3.9	4.1	4.2	1.57	2.22
MSD7342-682ML_	6.8	0.070	30	0.99	0.14	3.7	3.8	3.9	1.49	2.10
MSD7342-822ML_	8.2	0.075	27	0.98	0.25	3.3	3.4	3.5	1.44	2.03
MSD7342-103ML_	10	0.100	22	0.98	0.30	2.8	2.9	3.0	1.24	1.76
MSD7342-123ML_	12	0.120	20	0.98	0.36	2.5	2.6	2.7	1.14	1.61
MSD7342-153ML_	15	0.130	18	0.98	0.49	2.2	2.3	2.4	1.09	1.54
MSD7342-183ML_	18	0.170	15	>0.99	0.16	2.0	2.2	2.3	0.95	1.35
MSD7342-223ML_	22	0.220	13.5	>0.99	0.20	1.9	2.0	2.1	0.84	1.19
MSD7342-273ML_	27	0.250	12.0	>0.99	0.20	1.7	1.8	1.9	0.79	1.11
MSD7342-333ML_	33	0.270	11.0	>0.99	0.15	1.5	1.6	1.7	0.76	1.07
MSD7342-393ML_	39	0.380	10.0	0.99	0.70	1.3	1.4	1.5	0.64	0.90
MSD7342-473ML_	47	0.420	9.5	>0.99	0.30	1.2	1.3	1.4	0.61	0.86
MSD7342-563ML_	56	0.460	8.7	>0.99	0.50	1.1	1.2	1.3	0.58	0.82
MSD7342-683ML_	68	0.600	7.3	>0.99	0.51	1.0	1.1	1.2	0.51	0.72
MSD7342-823ML_	82	0.680	6.2	0.99	1.17	0.90	1.0	1.1	0.48	0.67
MSD7342-104ML_	100	0.770	5.5	>0.99	0.96	0.80	0.92	0.98	0.45	0.63
MSD7342-124ML_	120	1.03	4.5	>0.99	0.61	0.70	0.8	0.90	0.39	0.55
MSD7342-154ML_	150	1.35	4.0	>0.99	0.54	0.65	0.76	0.80	0.34	0.48
MSD7342-184ML_	180	1.52	3.8	>0.99	0.75	0.62	0.66	0.73	0.32	0.45
MSD7342-224ML_	220	1.72	3.5	>0.99	1.43	0.59	0.62	0.66	0.30	0.42
MSD7342-274ML_	270	2.41	3.3	>0.99	1.56	0.55	0.57	0.60	0.25	0.36
MSD7342-334ML_	330	2.70	3.0	>0.99	1.65	0.49	0.52	0.54	0.24	0.34
MSD7342-394ML_	390	3.05	2.8	0.99	4.73	0.45	0.47	0.50	0.23	0.32
MSD7342-474ML_	470	4.00	2.6	0.99	5.50	0.41	0.43	0.46	0.20	0.28
MSD7342-564ML_	560	4.43	2.5	>0.99	4.85	0.38	0.40	0.42	0.19	0.26
MSD7342-684ML_	680	5.00	2.3	0.99	7.59	0.36	0.37	0.38	0.18	0.25
MSD7342-824ML_	820	6.80	2.2	>0.99	8.01	0.30	0.32	0.35	0.15	0.21
MSD7342-105ML_	1000	7.80	2.0	>0.99	8.69	0.27	0.29	0.31	0.14	0.20

1	When ordering, please specify termination and packaging codes: e.g. MSD7342-105LC
	Termination:	L = Matte tin over nickel over phos bronze Special order, added cost: 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 parts 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. Factory order only, not stocked (1000 parts per full reel).

2	Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value.
3	DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value.
4	SRF measured using an Agilent/HP 4191A or equivalent. When leads are connected in parallel, SRF is the same value.
5	Leakage Inductance is for L1 and is measured with L2 shorted.
6	Isat: DC current, at which the inductance drops the specified amount from its value without current. It is the sum of the current flowing in both windings.
7	Irms, both windings: Equal current when applied to each winding simultaneously that causes a 40°C temperature rise from 25°C ambient. See temperature rise calculation.
8	Irms, one winding: Maximum current when applied to one winding that causes a 40°C temperature rise from 25°C ambient. See temperature rise calculation.
9	Ambient temperature range:	–40°C to +85°C with Irms current. +85°C to +125°C with derated current. Derating curve
10	Storage temperature range:	Component: –40°C to +125°C T&R packaging: –40°C to +80°C
11	Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
12	Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.

Coupled Power Inductors MSD7342 Series

SPECIFICATIONS