SRP1055 Series - Shielded Power Inductors

*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

Inductance vs. DC Superposition Characteristics

10.0

6.0

8.0

4.0

2.0

0

2.5

5

DC Current (A)

7.5

10

8R8

7R2

5R7

4R3

3R2

3.0

2.0

1.0

0.0

010

20

DC Current (A)

30

40

2R2

1R4

R80

R36

Features

Applications

•

Portable communications equipment

•

Camcorders

•

LCD TVs

•

Car audio systems

Electrical Specifications

Product Dimensions

9.35 ± 0.30

(0.368 ± 0.012)

1.4

(0.055)

10.0

(0.394)

1.00

(0.039)

2.8

(0.110)

2.0

(0.079)

2.0

(0.079)

3.0

(0.118)

3.0

(0.118)

3.0

(0.118)

3.0

(0.118)

1.50

(0.059)

2.10

(0.083)

6.0

(0.236)

6.0

(0.236)

11.00 ± 0.30

(0.422 ± 0.012)

TYP.

TYP.

TYP.

TYP.

TYP.

5.8

(.228)

5.50 ± 0.30

(0.216 ± 0.012)

General Specifications

Test Voltage ........................................1 V

Test Frequency ..........................100 KHz

Reflow Soldering .....230 ˚C; 50 sec max.

Operating Temperature ..-55 °C to +150 °C

(Temperature rise included)

Storage Temperature..-55 °C to +150 °C

Resistance to Soldering Heat

..............................+260 °C for 10 sec.

Materials

Core .........................................Ferrite ER

Wire .............................Enameled copper

Terminal.....................................Cu/Ni/Sn

Rated Current .......Ind. drops 25 % at I sat

Temperature Rise..........40 ˚C at rated I rms

Packaging .......300 pcs. per 13-inch reel

Recommended Layout

Electrical Schematic

Inductance

I rms

I sat

DCR

Bourns Part No.

L (µH)

(A)

(A)

(mΩ) max.

SRP1055-R36Y

0.36 ± 30 %

28.0

26.0

1.7

SRP1055-R80M

0.80 ± 20 %

20.0

18.0

2.5

SRP1055-1R4M

1.40 ± 20 %

16.0

14.0

3.2

SRP1055-2R2M

2.20 ± 20 %

12.0

10.0

5.8

SRP1055-3R2M

3.20 ± 20 %

11.0

9.0

7.2

SRP1055-4R3M

4.30 ± 20 %

10.0

8.0

8.5

SRP1055-5R7M

5.70 ± 20 %

7.6

7.0

13.2

SRP1055-7R2M

7.20 ± 20 %

7.0

6.2

15.5

SRP1055-8R8M

8.80 ± 20 %

6.0

5.6

17.2

DIMENSIONS:

MM

(INCHES)