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PART NUMBERING
 

EM -

 □□□ □ □□ □ □□

(1)

(2)

(3)

(4)

(5)

(6)
 
(1) Series
(2) Inductance
(3) Tolerance
(4) Dimension
(5) Material
(6) Internal Serial No.
 
  Datasheet Download
 
   
 

Features
• Molding type SMT inductor with metal alloy powder construction.
• Small footprint and low profile design.
• Large current and low DCR.
• Small copper loss design.
• Magnetic shielded, suitable for high density mounting.
 

Applications
• Laptops, desktops, and servers
• GPSs
• Communcation devices
• VGA cards
• DC/DC converters
• VRMs
 

Configurations & Dimensions

Unit: mm

SERIES

A

B

C

D

E

EM-01V

4.50 Max.

4.0+0.2

2.0 Max.

0.8+0.3

1.5+0.3

EM-27V

4.80 Max.

4.0+0.2

1.2 Max.

1.0+0.3

2.0+0.3

EM-02V

5.20 Max.

4.7+0.2

3.0 Max.

1.0+0.3

1.5+0.3

EM-21V

6.00 Max.

5.2+0.2

1.2 Max.

1.0+0.3

2.0+0.3

EM-22V

6.00 Max.

5.2+0.2

1.5 Max.

1.0+0.3

2.0+0.3

EM-23V

6.00 Max.

5.2+0.2

2.0 Max.

1.0+0.3

2.0+0.3

EM-25V

6.00 Max.

5.2+0.2

3.0 Max.

1.0+0.3

2.0+0.3

EM-29V

7.40 Max.

6.6+0.2

1.5 Max.

1.6+0.3

3.0+0.3

EM-03V

7.40 Max.

6.6+0.2

1.8 Max.

1.6+0.3

3.0+0.3

EM-04V

7.40 Max.

6.6+0.2

2.4 Max.

1.6+0.3

3.0+0.3

EM-05V

7.40 Max.

6.6+0.2

3.0 Max.

1.6+0.3

3.0+0.3

EM-18V

7.40 Max.

6.6+0.2

4.0 Max.

1.6+0.3

3.0+0.3

EM-06V

7.40 Max.

6.6+0.2

5.0 Max.

1.6+0.3

3.0+0.3

EM-34V

8.30 Max.

7.0+0.3

5.0 Max.

2.0+0.5

3.0+0.5

EM-20V

10.5 Max.

6.8+0.2

5.0 Max.

2.0+0.3

3.0+0.3

EM-19V

11.5 Max.

10.0+0.3

2.4 Max.

2.0+0.5

3.0+0.5

EM-07V

11.5 Max.

10.0+0.3

3.0 Max.

2.0+0.5

3.0+0.5

EM-08V

11.5 Max.

10.0+0.3

4.0 Max.

2.0+0.5

3.0+0.5

EM-09V

11.5 Max.

10.0+0.3

5.0 Max.

2.0+0.5

3.0+0.5

EM-11V

13.8 Max.

12.6+0.3

3.5 Max.

2.0+0.5

3.0+0.5

EM-13V

13.8 Max.

12.6+0.3

5.0 Max.

2.0+0.5

3.0+0.5

EM-17V

13.8 Max.

12.6+0.3

6.5 Max.

2.0+0.5

3.0+0.5
 

•

ELECTRICAL CHARACTERISTICS 

 

New Part No. Old Part No. L0 DCR Isat Irms
(μH) (mΩ, Max.) (A, Max.) (A, Max.)
Typ. Max.
EM-10A□01V□□ MSG0420-1R0□ 1 33 37 8.5 3.75
EM-22A□01V□□ MSG0420-2R2□ 2.2 40 45 6 3.25
EM-33A□01V□□ MSG0420-3R3□ 3.3 53 60 5 2.85
EM-47B□27V□□ MSG4212-R47□ 0.47 18.3 21 8 6
EM-68B□27V□□ MSG4212-R68□ 0.68 30.6 34 6 5
EM-10A□27V□□ MSG4212-1R0□ 1 41.8 47 5.2 4.2
EM-15A□27V□□ MSG4212-1R5□ 1.5 51.6 55 4.5 4
EM-22A□27V□□ MSG4212-2R2□ 2.2 77.6 83.5 3.5 2.75
EM-10A□02V□□ MSG0530-1R0□ 1 13 14 11 7
EM-15A□02V□□ MSG0530-1R5□ 1.5 20 25 10 6
EM-22A□02V□□ MSG0530-2R2□ 2.2 29 35 9 5
EM-33A□02V□□ MSG0530-3R3□ 3.3 32 38 7 4
EM-47A□02V□□ MSG0530-4R7□ 4.7 60 65 5 3.5
EM-56A□02V□□ MSG0530-5R6□ 5.6 65 70 4.5 3.2
EM-22B□21V□□ MSG5512-R22□ 0.22 7 7.7 11 10
EM-10A□21V□□ MSG5512-1R0□ 1 33 37 6 5
EM-15A□21V□□ MSG5512-1R5□ 1.5 40.5 45 4.5 4
EM-22A□21V□□ MSG5512-2R2□ 2.2 80.4 90 3.3 3
EM-47A□21V□□ MSG5512-4R7□ 4.7 118 131 2.5 2.3
EM-12B□22V□□ MSG5515-R12□ 0.12 2.9 3.3 21 18
EM-30B□22V□□ MSG5515-R30□ 0.3 5.6 6 15 13
EM-47B□22V□□ MSG5515-R47□ 0.47 6.9 7.6 13 11
EM-68B□22V□□ MSG5515-R68□ 0.68 10.6 12 10 9
EM-10A□22V□□ MSG5515-1R0□ 1 19.8 23 8 6
EM-22A□22V□□ MSG5515-2R2□ 2.2 38 42 5 4
EM-20B□23V□□ MSG5520-R20□ 0.2 1.8 2 25 20
EM-22B□23V□□ MSG5520-R22□ 0.22 3.8 4.2 20 16
EM-33B□23V□□ MSG5520-R33□ 0.33 5.7 6.3 15 12
EM-47B□23V□□ MSG5520-R47□ 0.47 7 7.7 14 11
EM-68B□23V□□ MSG5520-R68□ 0.68 9 10 11 9
EM-10A□23V□□ MSG5520-1R0□ 1 16.6 18.1 7.7 7
EM-22A□23V□□ MSG5520-2R2□ 2.2 33 37 6.5 5
EM-33A□23V□□ MSG5520-3R3□ 3.3 40.3 45 5 4
EM-47A□23V□□ MSG5520-4R7□ 4.7 74 83 4 3
EM-68A□23V□□ MSG5520-6R8□ 6.8 126 150 2.6 2.3
EM-22B□25V□□ MSG5530-R22□ 0.22 1.8 2 25 20
EM-33B□25V□□ MSG5530-R33□ 0.33 2.4 2.7 20 16
EM-47B□25V□□ MSG5530-R47□ 0.47 4.5 5.2 15 13
EM-68B□25V□□ MSG5530-R68□ 0.68 8.3 9.2 12 10
EM-10A□25V□□ MSG5530-1R0□ 1 12.3 15 11 9
EM-22A□25V□□ MSG5530-2R2□ 2.2 21.3 24 8 6
EM-33A□25V□□ MSG5530-3R3□ 3.3 32.8 37 7 5
EM-47A□25V□□ MSG5530-4R7□ 4.7 42 48 5 4
EM-22B□29V□□ MSG0615-R22□ 0.22 4.5 5 16 14
EM-33B□29V□□ MSG0615-R33□ 0.33 5.6 6.3 14 12
EM-47B□29V□□ MSG0615-R47□ 0.47 7.8 8.5 12 9
EM-68B□29V□□ MSG0615-R68□ 0.68 12.4 14.5 10 8
EM-10A□29V□□ MSG0615-1R0□ 1 20.5 23 8 6
EM-22A□29V□□ MSG0615-2R2□ 2.2 40 44 6 5
EM-33A□29V□□ MSG0615-3R3□ 3.3 48 53 5 4
EM-47A□29V□□ MSG0615-4R7□ 4.7 86 94 4 3.3
EM-68A□29V□□ MSG0615-6R8□ 6.8 132 150 3.5 3
EM-100□29V□□ MSG0615-100□ 10 164 180 3 2
EM-10B□03V□□ MSG0618-R10□ 0.1 2.1 2.5 40 18
EM-15B□03V□□ MSG0618-R15□ 0.15 4.7 5.2 35 15
EM-22B□03V□□ MSG0618-R20□ 0.2 5.3 5.7 30 14
EM-33B□03V□□ MSG0618-R33□ 0.33 6.6 7 20 12
EM-47B□03V□□ MSG0618-R47□ 0.47 8.4 9.3 18 11
EM-68B□03V□□ MSG0618-R68□ 0.68 12.7 13.9 17 9
EM-82B□03V□□ MSG0618-R82□ 0.82 13.8 15.9 16 8
EM-10A□03V□□ MSG0618-1R0□ 1 17.5 18.3 14 6
EM-15A□03V□□ MSG0618-1R5□ 1.5 32.6 34 11 4
EM-22A□03V□□ MSG0618-2R2□ 2.2 40.3 46 10 3.75
EM-33A□03V□□ MSG0618-3R3□ 3.3 56.2 60.1 9 3.25
EM-47A□03V□□ MSG0618-4R7□ 4.7 76.6 80.2 8 3
EM-10B□04V□□ MSG0624-R10□ 0.1 1.5 1.7 50 30
EM-22B□04V□□ MSG0624-R22□ 0.22 2.9 3.2 35 21
EM-33B□04V□□ MSG0624-R33□ 0.33 3.7 4.1 22 18
EM-47B□04V□□ MSG0624-R47□ 0.47 6 6.5 20 13.5
EM-68B□04V□□ MSG0624-R68□ 0.68 8.7 9.4 18 11
EM-82B□04V□□ MSG0624-R82□ 0.82 10.6 11.8 17 10
EM-10A□04V□□ MSG0624-1R0□ 1 13.1 14.2 16 9
EM-15A□04V□□ MSG0624-1R5□ 1.5 18.5 21.2 15 7.5
EM-22A□04V□□ MSG0624-2R2□ 2.2 28 34 14 6.5
EM-33A□04V□□ MSG0624-3R3□ 3.3 36.5 51.6 13 5
EM-47A□04V□□ MSG0624-4R7□ 4.7 45.2 63 10 4.5
EM-68A□04V□□ MSG0624-6R8□ 6.8 72.5 95 9 3.5
EM-82A□04V□□ MSG0624-8R2□ 8.2 84.2 106 8 3
EM-100□04V□□ MSG0624-100□ 10 116 129 7 2.5
EM-10B□05V□□ MSG0630-R10□ 0.1 0.9 1.2 60 30
EM-20B□05V□□ MSG0630-R20□ 0.2 2.4 3 42 24
EM-33B□05V□□ MSG0630-R33□ 0.33 3.5 3.9 32 20
EM-47B□05V□□ MSG0630-R47□ 0.47 4 4.3 28 18
EM-68B□05V□□ MSG0630-R68□ 0.68 5 5.5 26 15
EM-82B□05V□□ MSG0630-R82□ 0.82 6.7 8 24 13
EM-10A□05V□□ MSG0630-1R0□ 1 9 10 22 11
EM-15A□05V□□ MSG0630-1R5□ 1.5 14 15 18 9
EM-22A□05V□□ MSG0630-2R2□ 2.2 18 20 15 8
EM-33A□05V□□ MSG0630-3R3□ 3.3 28 30 13 6
EM-47A□05V□□ MSG0630-4R7□ 4.7 37 40 10 5
EM-68A□05V□□ MSG0630-6R8□ 6.8 54 60 8 4.5
EM-82A□05V□□ MSG0630-8R2□ 8.2 64 70 7.5 4
EM-100□05V□□ MSG0630-100□ 10 102 105 7 3
EM-15B□18V□□ MSG0640-R15□ 0.15 0.72 0.8 45 36
EM-22B□18V□□ MSG0640-R22□ 0.22 1.13 1.24 35 30
EM-33B□18V□□ MSG0640-R33□ 0.33 1.7 1.9 30 25
EM-47B□18V□□ MSG0640-R47□ 0.47 3.4 3.9 20 16
EM-68B□18V□□ MSG0640-R68□ 0.68 5.3 6.2 18 14
EM-10A□18V□□ MSG0640-1R0□ 1 9.6 11.5 15 12
EM-15A□18V□□ MSG0640-1R5□ 1.5 11.5 13.8 12 10
EM-22A□18V□□ MSG0640-2R2□ 2.2 14.5 17.4 11 8.5
EM-33A□18V□□ MSG0640-3R3□ 3.3 16.3 19.5 10 8
EM-47A□18V□□ MSG0640-4R7□ 4.7 13 13.6 10 8
EM-68A□18V□□ MSG0640-6R8□ 6.8 13 13.6 10 8
EM-56B□06V□□ MSG0650-R56□ 0.56 3.4 3.6 20 18
EM-68B□06V□□ MSG0650-R68□ 0.68 4.2 4.5 18 15
EM-10A□06V□□ MSG0650-1R0□ 1 5.6 6.5 15 13
EM-15A□06V□□ MSG0650-1R5□ 1.5 8.6 9 12 11
EM-22A□06V□□ MSG0650-2R2□ 2.2 13 13.6 10 8
EM-220□06V□□ MSG0650-220□ 220 112 123 3.5 3
EM-15B□34V□□ MSG0750-R15□ 0.15 0.64 0.72 45 32
EM-33B□34V□□ MSG0750-R33□ 0.33 1.26 1.42 35 30
EM-10A□34V□□ MSG0750-1R0□ 1 3.85 4.3 15 15
EM-15A□34V□□ MSG0750-1R5□ 1.5 5.1 5.8 11 10
EM-68A□34V□□ MSG0750-6R8□ 6.8 22 25 6 5
EM-150□34V□□ MSG0750-150□ 15 52.1 60 5 4
EM-30B□20V□□ MSG0850-R33□ 0.3 0.92 1.1 35 30
EM-68B□20V□□ MSG0850-R68□ 0.68 4.2 5 20 16
EM-36B□19V□□ MSG1024-R36□ 0.36 1.65 1.98 32 25
EM-10A□19V□□ MSG1024-1R0□ 1 5 6 18 15
EM-47A□19V□□ MSG1024-4R7□ 4.7 28 33.6 8 6
EM-36B□07V□□ MSG1030-R36□ 0.36 1.3 1.5 50 25
EM-47B□07V□□ MSG1030-R47□ 0.47 2.1 2.5 40 20
EM-10A□07V□□ MSG1030-1R0□ 1 5.3 6 25 13
EM-33A□07V□□ MSG1030-3R3□ 3.3 13 15.6 16 10
EM-47A□07V□□ MSG1030-4R7□ 4.7 19 22 13 8
EM-100□07V□□ MSG1030-100□ 10 50 55 10 5
EM-36B□08V□□ MSG1040-R36□ 0.36 1.1 1.3 60 30
EM-45B□08V□□ MSG1040-R45□ 0.45 1.1 1.3 30 28
EM-47B□08V□□ MSG1040-R47□ 0.47 1.6 1.8 55 25
EM-56B□08V□□ MSG1040-R56□ 0.56 1.8 2.2 50 22
EM-68B□08V□□ MSG1040-R68□ 0.68 2.4 2.7 42 20
EM-10A□08V□□ MSG1040-1R0□ 1 3.5 4.1 36 18
EM-15A□08V□□ MSG1040-1R5□ 1.5 4.5 5.2 32 16
EM-22A□08V□□ MSG1040-2R2□ 2.2 6.9 7.8 27 12
EM-33A□08V□□ MSG1040-3R3□ 3.3 9.5 11.8 21 10
EM-47A□08V□□ MSG1040-4R7□ 4.7 15 16.5 17 9
EM-68A□08V□□ MSG1040-6R8□ 6.8 21.2 23.3 13.5 7.5
EM-100□08V□□ MSG1040-100□ 10 27.5 30 12 6
EM-150□08V□□ MSG1040-150□ 15 48 52.8 9 4.5
EM-220□08V□□ MSG1040-220□ 22 70 80 8 3.5
EM-30B□09V□□ MSG1050-R30□ 0.3 0.8 0.92 50 38
EM-47B□09V□□ MSG1050-R47□ 0.47 0.9 1.08 45 35
EM-33A□09V□□ MSG1050-3R3□ 3.3 7 8.4 16 14
EM-47A□09V□□ MSG1050-4R7□ 4.7 10.5 12.6 12 10
EM-10B□11V□□ MSG1235-R10□ 0.1 0.8 0.96 80 42
EM-22B□11V□□ MSG1235-R22□ 0.22 1.1 1.3 65 38
EM-33B□11V□□ MSG1235-R33□ 0.33 1.3 1.5 62 36
EM-47B□11V□□ MSG1235-R47□ 0.47 1.7 2 55 32
EM-68B□11V□□ MSG1235-R68□ 0.68 2.3 2.5 49 28
EM-10A□11V□□ MSG1235-1R0□ 1 3.3 3.5 40 24
EM-15A□11V□□ MSG1235-1R5□ 1.5 5.1 5.5 35 19
EM-22A□11V□□ MSG1235-2R2□ 2.2 7.2 8 29 16
EM-33A□11V□□ MSG1235-3R3□ 3.3 11 12 27 12
EM-47A□11V□□ MSG1235-4R7□ 4.7 14.3 15 24 10
EM-68A□11V□□ MSG1235-6R8□ 6.8 19.8 22 18 9
EM-100□11V□□ MSG1235-100□ 10 30.4 34 14 7
EM-10B□13V□□ MSG1250-R10□ 0.1 0.53 0.6 118 55
EM-36B□13V□□ MSG1250-R36□ 0.36 0.85 1.1 75 40
EM-47B□13V□□ MSG1250-R47□ 0.47 1.1 1.3 65 35
EM-68B□13V□□ MSG1250-R68□ 0.68 1.5 1.7 55 30
EM-10A□13V□□ MSG1250-1R0□ 1 2.1 2.5 50 25
EM-15A□13V□□ MSG1250-1R5□ 1.5 3.4 4.1 40 20
EM-22A□13V□□ MSG1250-2R2□ 2.2 4.6 5.5 35 16
EM-33A□13V□□ MSG1250-3R3□ 3.3 7.7 9.2 30 14
EM-47A□13V□□ MSG1250-4R7□ 4.7 12.8 15 25 12
EM-68A□13V□□ MSG1250-6R8□ 6.8 15.4 18.5 20 10
EM-82A□13V□□ MSG1250-8R2□ 8.2 18.9 22.5 18 9
EM-100□13V□□ MSG1250-100□ 10 21.4 25.5 16 8
EM-150□13V□□ MSG1250-150□ 15 35.2 38.7 14 7
EM-220□13V□□ MSG1250-220□ 22 65.5 72.2 10 6
EM-330□13V□□ MSG1250-330□ 33 76.3 86 7 4.5
EM-10B□17V□□ MSG1265-R10□ 0.1 0.47 0.52 120 60
EM-36B□17V□□ MSG1265-R36□ 0.36 0.83 0.96 80 45
EM-47B□17V□□ MSG1265-R47□ 0.47 1 1.3 70 40
EM-68B□17V□□ MSG1265-R68□ 0.68 1.4 1.6 60 35
EM-10A□17V□□ MSG1265-1R0□ 1 1.7 2 50 30
EM-15A□17V□□ MSG1265-1R5□ 1.5 2.5 3.1 42 25
EM-22A□17V□□ MSG1265-2R2□ 2.2 3.5 4.2 40 22
EM-33A□17V□□ MSG1265-3R3□ 3.3 5.7 6.8 35 18
EM-47A□17V□□ MSG1265-4R7□ 4.7 9.5 11.3 30 15
EM-68A□17V□□ MSG1265-6R8□ 6.8 13.2 14.3 20 11
EM-82A□17V□□ MSG1265-8R2□ 8.2 14.5 15.5 18 10
EM-100□17V□□ MSG1265-100□ 10 16.5 17.5 16 9
EM-150□17V□□ MSG1265-150□ 15 30 36 12 8
EM-220□17V□□ MSG1265-220□ 22 40 48 10 6
EM-330□17V□□ MSG1265-330□ 33 76 85 8 5
EM-470□17V□□ MSG1265-470□ 47 110 121 6 4
EM-680□17V□□ MSG1265-680□ 68 158 174 5 3

 

• All test data is referenced at 25°C ambient 
• Inductance test frequency at 100KHz,1Vrms. 
• △T= 40°C approximately at Irms. 
• Inductance drops approximately 30% at Isat. 
• Operating temperature range: –55°C to +150°C 
 
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