Series
Number

L Range
(μH)

Basic
Specifications

A = 3.8, B = 3.8
C = 1.8 Max, D = 1.3

ASPI-
0315S

Please refer to Figure S.1 above

3.3~47μH

DCR (Max)

0.066~0.77Ω

Idc
(Max)

0.80~0.21A

FEATURES: Compact size, Low DCR and High Idc
APPLICATIONS: Flash memory, Step-up and Step-down converters, DC/DC converters, Computers, Communication Devices

Series
Number

L Range
(μH)

Basic
Specifications

A = 4.7, B = 4.7
C = 3.0 Max, D = 1.5

ASPI-
0428S

Please refer to Figure S.1 above

1.2~180μH

DCR (Max)

0.024~1.54Ω

Idc
(Max)

2.56~0.22A

FEATURES: Compact size, Low DCR and High Idc
APPLICATIONS: Flash memory, Step-up and Step-down converters, DC/DC converters, Computers, Communication Devices

Series
Number

L Range
(μH)

Basic
Specifications

A = 5.7, B = 5.7
C = 3.0 Max, D = 2.0

ASPI-
0503S

Please refer to Figure S.1 above

2.5~470μH

DCR (Max)

0.018~2.69Ω

Idc
(Max)

2.6~0.20A

FEATURES: Compact size, Low DCR and High Idc
APPLICATIONS: Flash memory, Step-up and Step-down converters, DC/DC converters, Computers, Communication Devices

Series
Number

L Range
(μH)

Basic
Specifications

A = 6.7, B = 6.7
C = 3.0 Max, D = 2.0

ASPI-
0602S

Please refer to Figure S.1 above

3.0~100μH

DCR (Max)

0.024~0.54Ω

Idc
(Max)

3.0~0.54A

FEATURES: Compact size, Low DCR and High Idc
APPLICATIONS: Flash memory, Step-up and Step-down converters, DC/DC converters, Computers, Communication Devices

Series
Number

L Range
(μH)

Basic
Specifications

A = 6.7, B = 6.7
C = 4.0, D = 2.0

ASPI-
0638S

Please refer to Figure S.1 above

3.3~100μH

DCR (Max)

0.02~0.36Ω

Idc
(Max)

3.5~0.65A

FEATURES: Compact size, Low DCR and High Idc
APPLICATIONS: Flash memory, Step-up and Step-down converters, DC/DC converters, Computers, Communication Devices

Series
Number

L Range
(μH)

Basic
Specifications

A = 10.0, B = 3.8
C = 7.3, D = 3.6

ASPI-
104S

1.0~330μH

DCR (Max)

0.006~1.09Ω

Idc (Max)

13.6~0.70A

FEATURES: Magnetically shielded, Low DCR & High current, Suitable for high saturation, High reliability
APPLICATIONS: DC/DC converters, Network hubs, XDSL, PBX base stations, Notebooks, Servers,TVs, DVD Players, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 7.3, B = 3.2
C = 4.8, D = 2.0

ASPI-703S

Please refer to Figure S.2 above

3.3~1000μH

DCR (Max)

0.04~9.4Ω

Idc
(Max)

1.9~0.16A

FEATURES: Small footprint, Flat-top, Magnetically shielded & Low resistance, High DC current
APPLICATIONS: DC/DC converters, OA equipment, LCDs, Notebooks, Portable communication equipment

Series
Number

L Range
(μH)

Basic
Specifications

A = 7.3, B = 4.5
C = 4.8, D = 3.1

ASPI-0704S

Please refer to Figure S.2 above

10.0~1000μH

DCR (Max)

0.05~6.0Ω

Idc
(Max)

1.44~0.18A

FEATURES: Small footprint, Flat-top, Magnetically shielded & Low resistance, High DC current
APPLICATIONS: DC/DC converters, OA equipment, LCDs, Notebooks, Portable communication equipment

Series
Number

L Range
(μH)

Basic
Specifications

A = 12.0, B = 6.1
C = 7.6, D = 5.1

ASPI-1205S

Please refer to Figure S.2 above

1.3~1000μH

DCR (Max)

0.01~1.53Ω

Idc
(Max)

8.0~0.4A

FEATURES: Small footprint, Flat-top, Magnetically shielded & Low resistance, High DC current up to 8A
APPLICATIONS: DC/DC converters, OA equipment, LCDs, Notebooks, Portable communication equipment

Series
Number

L Range
(μH)

Basic
Specifications

A = 12.0, B = 8.0
C = 7.6, D = 5.0

ASPI-1207S

Please refer to Figure S.2 above

1.0~1000μH

DCR
(Max)

0.007~1.8Ω

Idc
(Max)

14~0.55A

FEATURES: Small footprint, Flat-top, Magnetically shielded & Low resistance, High DC current up to 14A
APPLICATIONS: DC/DC converters, OA equipment, LCDs, Notebooks, Portable communication equipment

Series
Number

L Range
(μH)

Basic
Specifications

A = 6.6, B = 4.5
C = 2.9, D = 4.1

ASPI-0403S

1.0~10,000μH

DCR (Max)

0.04~32.8Ω

Idc (Max)

3.0~0.02A

FEATURES: Low DCR, Magnetically shielded, High reliability, High heat resistance & energy storage
APPLICATIONS: DC to DC converters for notebooks, PDAs, cellular phones

Series
Number

L Range
(μH)

Basic
Specifications

A = 18.5, B = 15.2
C = 7.6, D = 12.7

ASPI-1306S

10.0~1,000μH

DCR (Max)

0.04~2.01Ω

Idc
(Max)

8.0~0.8A

FEATURES: Low DCR & High DC current, Magnetically shielded, High reliability & heat resistance
APPLICATIONS: DC to DC converters for notebooks, PDAs, VGA cards, video recorders

Series
Number

L Range
(μH)

Basic
Specifications

A = 10.4, B = 10.4
C = 4.5

ASPI-
4118L

0.36~4.3μH

DCR (Max)

0.002~0.022Ω

Idc
(Max)

18.0~5.0A

FEATURES: Low DCR type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 10.4, B = 10.4
C = 4.5

ASPI-
4118S

0.22~2.5μH

DCR (Max)

0.002~0.022Ω

Idc (Max)

18.0~5.0A

FEATURES: Standard type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 10.4, B = 10.4
C = 5.6

ASPI-
4122L

0.36~8.8μH

DCR (Max)

0.0017~0.024Ω

Idc (Max)

4.9~19.0A

FEATURES: Low DCR type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 10.4, B = 10.4
C = 5.6

ASPI-
4122S

0.22~5.0μH

DCR (Max)

0.0017~0.024Ω

Idc (Max)

4.9~19.0A

FEATURES: Standard type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 10.4, B = 10.4
C = 5.6

ASPI-
4122H

0.15~3.0μH

DCR (Max)

0.0017~0.024Ω

Idc (Max)

4.9~19.0A

FEATURES: High Power type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 12.9, B = 12.9
C = 5.7

ASPI-
5123S

1.5~10.0μH

DCR (Max)

0.002~0.013Ω

Idc (Max)

14~5.0A

FEATURES: Standard type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 12.9, B = 12.9
C = 5.7

ASPI-
5123H

1.0~7.0μH

DCR (Max)

0.002~0.013Ω

Idc (Max)

16.5~7.6Ω

FEATURES: High Power type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 12.9, B = 12.9
C = 5.7

ASPI-
5123U

0.4~5.6μH

DCR (Max)

0.002~0.013Ω

Idc (Max)

18.5~7.6A

FEATURES: Ultra-power type, Large current, Magnetically shielded, Super thin & Low loss, Miniaturization design
APPLICATIONS: DC/DC converters for notebooks, Desktops, Servers, Battery power equipment, Power suppliers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 3.2, B = 1.0 Max
C = 3.3, D = 2.1

ASPI-
2D09

Please refer to Figure S.3 above

1.2~10.0μH

DCR (Max)

0.097~0.537Ω

Idc (Max)

0.8~0.28A

FEATURES: Low profile, Compact size, Large terminal surface, Low DCR, Large current
APPLICATIONS: DC/DC converter, Notebooks, Servers, Network hubs, OA equipment, LCDs, DVD players, Battery chargers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 3.2, B = 1.2 Max
C = 3.3, D = 2.1

ASPI-
2D11

Please refer to Figure S.3 above

1.5~10.0μH

DCR (Max)

0.068~0.400Ω

Idc (Max)

0.9~0.35A

FEATURES: Low profile, Compact size, Large terminal surface, Low DCR, Large current
APPLICATIONS: DC/DC converter, Notebooks, Servers, Network hubs, OA equipment, LCDs, DVD players, Battery chargers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 3.2, B = 1.6 Max
C = 3.3, D = 2.1

ASPI-
2D14

Please refer to Figure S.3 above

1.5~12.0μH

DCR (Max)

0.0063~0.394Ω

Idc (Max)

1.8~0.62A

FEATURES: Low profile, Compact size, Large terminal surface, Low DCR, Large current
APPLICATIONS: DC/DC converter, Notebooks, Servers, Network hubs, OA equipment, LCDs, DVD players, Battery chargers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 3.2, B = 2.0 Max
C = 3.3, D = 2.1

ASPI-
2D18

Please refer to Figure S.3 above

2.7~47.0μH

DCR (Max)

0.041~0.660Ω

Idc (Max)

0.85~0.2A

FEATURES: Low profile, Compact size, Large terminal surface, Low DCR, Large current
APPLICATIONS: DC/DC converter, Notebooks, Servers, Network hubs, OA equipment, LCDs, DVD players, Battery chargers, etc.

Series
Number

L Range
(μH)

Basic
Specifications

A = 7.3, B = 6.8
C = 1.8

ASPI-7318

0.1~4.7μH

DCR (Max)

0.003~0.078Ω

Idc
(Max)

40.0~8.0A

FEATURES: Low profile, Compact size, Handles high transient current spikes, Low DCR, High current
APPLICATIONS: DC to DC converters for FPGAs, Servers, High current power supplies, Battery power

Series
Number

L Range
(μH)

Basic
Specifications

A = 7.3, B = 6.8
C = 3.0

ASPI-06P

1.0~10.0μH

DCR (Max)

0.002~0.105Ω

Idc
(Max)

60~7.0A

FEATURES: Low profile, Compact size, Handles high transient current spikes, Low DCR, High current
APPLICATIONS: DC to DC converters for FPGAs, Servers, High current power supplies, Battery power

Series
Number

L Range
(μH)

Basic
Specifications

A = 13.8, B = 12.9
C = 6.7

ASPI-1367

1.0~10.0μH

DCR (Max)

0.005~0.016Ω

Idc
(Max)

120~15.5A

FEATURES: Low profile, Compact size, Handles high transient current spikes, Low DCR, High current
APPLICATIONS: DC to DC converters for FPGAs, Servers, High current power supplies, Battery power