MSD1278 AEC-Q200 Grade 3 Coupled Inductors

Coilcraft MSD1278 AEC-Q200 Grade 3 Coupled Inductors offer high inductance, high efficiency, and excellent current handling. They are available as two single inductors connected in series or parallel or as a common mode choke. Tight coupling (k ≥ 0.98 MSD1260 and MSD1278 series) (k ≥ 0.97 MSD7342 series) and 500V isolation make them perfect for use in a wide range of circuits including flyback, multioutput buck, SEPIC, and Zeta.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Inductance - Parallel
Inductance - Series
Tolerance
Maximum DC Current
Maximum DC Resistance
Length
Width
Height
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
Coilcraft Coupled Inductors 220uH Shld 20% 0.42A 1.72ohms AECQ2
Datasheet
240In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 220 uH 880 uH 20 % 420 mA 1.72 Ohms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 33uH Shld 20% 1.07A 270mOhms AECQ2
Datasheet
342In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 33 uH 132 uH 20 % 1.07 A 270 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 4.7uH Shld 20% 2.46A 51mOhms AECQ2
Datasheet
8In Stock
1,750On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 4.7 uH 18.8 uH 20 % 2.46 A 51 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 10uH Shld 20% 3.46A 60mOhms
Datasheet
2,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 10 uH 40 uH 20 % 3.46 A 60 mOhms 12.3 mm 12.3 mm 6 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 10uH Shld 20% 3.62A 58mOhms
Datasheet
2,873On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 10 uH 40 uH 20 % 3.62 A 58 mOhms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 100uH Shld 20% 0.63A 770mOhms AECQ2
Datasheet
1,185Expected 9/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 100 uH 400 uH 20 % 630 mA 770 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 22uH Shld 20% 1.19A 220mOhms AECQ2
Datasheet
2,985On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 22 uH 88 uH 20 % 1.19 A 220 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 2.5uH Shld 20% 3.06A 33mOhms AECQ2
Datasheet
3,634On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 2.5 uH 10 uH 20 % 3.06 A 33 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 12uH Shld 20% 3.12A 74mOhms
Datasheet
500Expected 11/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 12 uH 48 uH 20 % 3.12 A 74 mOhms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 18uH Shld 20% 2.73A 97mOhms
Datasheet
375Expected 11/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 18 uH 72 uH 20 % 2.73 A 97 mOhms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 22uH Shld 20% 2.49A 116mOhms
Datasheet
450Expected 11/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 22 uH 88 uH 20 % 2.49 A 116 mOhms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 330uH Shld 10% 810mA 1.09Ohms
Datasheet
500Expected 10/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 330 uH 1.32 mH 10 % 810 mA 1.09 Ohms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 1000uH Shld 10% 520mA 2.83Ohms
Datasheet
500Expected 10/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 1 mH 4 mH 10 % 520 mA 2.83 Ohms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 22uH Shld 20% 2.81A 96mOhms
Datasheet
Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 22 uH 88 uH 20 % 2.81 A 96 mOhms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 220uH Shld 10% 1.05A 690mOhms
Datasheet
500Expected 9/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 220 uH 880 uH 10 % 1.05 A 690 mOhms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 470uH Shld 10% 700mA 1.43Ohms
Datasheet
140Expected 10/5/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 470 uH 1.88 mH 10 % 700 mA 1.43 Ohms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 68uH Shld 20% 1.9A 210mOhms
Datasheet
468Expected 9/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 68 uH 272 uH 20 % 1.9 A 210 mOhms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 8.2uH Shld 20% 3.9A 50mOhms
Datasheet
499Expected 11/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1278 8.2 uH 32.8 uH 20 % 3.9 A 50 mOhms 12.3 mm 12.3 mm 8.05 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 12uH Shld 20% 1.61A 120mOhms AECQ2
Datasheet
929Expected 11/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 12 uH 48 uH 20 % 1.61 A 120 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 15uH Shld 20% 1.54A 130mOhms AECQ2
Datasheet
500Expected 11/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 15 uH 60 uH 20 % 1.54 A 130 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 3.3uH Shld 20% 2.89A 37mOhms AECQ2
Datasheet
1,000Expected 11/20/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 3.3 uH 13.2 uH 20 % 2.89 A 37 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 68uH Shld 20% 0.72A 600mOhms AECQ2
Datasheet
245Expected 9/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

MSD7342 68 uH 272 uH 20 % 720 mA 600 mOhms 7.5 mm 7.5 mm 4.6 mm - 40 C + 85 C AEC-Q200 Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 560uH Shld 10% 630mA 1.81Ohms
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 560 uH 2.24 mH 10 % 630 mA 1.81 Ohms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 680uH Shld 10% 590mA 2.06Ohms
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 680 uH 2.72 mH 10 % 590 mA 2.06 Ohms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel
Coilcraft Coupled Inductors 8.2uH Shld 20% 3.72A 52mOhms
Datasheet
Non-Stocked Lead-Time 11 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 500

MSD1260 8.2 uH 32.8 uH 20 % 3.72 A 52 mOhms 12.3 mm 12.3 mm 6 mm - 40 C + 85 C Reel, Cut Tape, MouseReel