1D31A Series

Shielded THT Class D Inductors

Height: 33.0mm (Max)
Footprint: 32.0mm x 20.0mm (Max)
Small Footprint
Shielded Design for Low EMI
Ferrite Material Designed for Audio Applications

Class D Audio Amplifiers

Electrical Specifications @ 25°C - Operating Temperature Range¹: -40°C to +130°C

Part Number

Inductance²
(μH, ±20%)

DCR (mΩ,Max)

I_SAT³ (A_DC)

I_DC⁴ (A_DC)

SRF⁶
(MHz, Typ)

1D31A-100MC

10

6.3

50 (min)

12.5

19.0

View

1D31A-120MC

12

6.3

50 (min)

12.5

17.1

View

1D31A-150MC

15

6.9

42

12.0

12.8

View

1D31A-180MC

18

6.3

32

12.5

13.8

View

1D31A-220MC

22

6.9

31

12.0

10.0

View

Part Number

I_SAT³ (A_DC)

1D31A-100MC

50 (min)

View

1D31A-120MC

50 (min)

View

1D31A-150MC

42

View

1D31A-180MC

32

View

1D31A-220MC

31

View

Mechanical Drawing

Mounting Dimensions

Schematic

1.
Operating Temp. Range: The combination of ambient temperature and temperature rise.
2.
Inductance: Tested at 100kHz, 1 V_RMS, Series.
3.
I_SAT: DC current through the winding to cause a 25% (typ) drop in inductance.
4.
I_DC: DC current through the winding to cause a 40°C (typ) temperature rise at 25°C ambient.
5.
Flammability Standard: Meets UL 94V-0.
6.
SRF: Values are for reference only.
7.
Packaging
- Pieces/Tray: 40
- Trays/Box: 4
- Pieces/Box: 160

Specifications subject to change without prior notice.