SRP1204 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.

L vs I Charts

2.0

1.0

1.5

0.5

2.0

05

10

15

DC Current (A)

R50

1R1

1R8

Features

Applications

•

Portable communications equipment

•

Camcorders

•

LCD TVs

•

Car audio systems

Electrical Specifications

Product Dimensions

12.50 ± 0.30

(0.492 ± 0.012)

4.15

(0.163)

13.0

(0.512)

3.75

(0.148)

10.50

(0.413)

3.0

(0.118)

4.50

(0.177)

7.50 ± 0.25

(0.295 ± 0.010)

7.50

(0.295)

12.50 ± 0.30

(0.492 ± 0.012)

2.00

(0.079)

REF.

5.20

(0.205)

REF.

CLIP (for mounting - no electrical connection)

1

2.50

(0.098)

NOM.

6.40

(0.252)

REF.

3.00

(0.118)

NOM.

4.00 ± 0.20

(0.157 ± 0.008)

1.90 ± 0.20

(0.748 ± 0.008)

4.70

(0.185)

REF.

REF.

REF.

REF.

4.15

(0.163)

REF.

REF.

REF.

REF.

3.75

(0.148)

REF.

REF.

2

3

3

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 20 % at I sat

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

Packaging .......800 pcs. per 13-inch reel

Recommended Layout

Electrical Schematic

Initial

Inductance

Flat Point

Bourns Part No.

Inductance

at Flat Point

ref.

I rms

I sat

DCR

L0 (µH)

L1 (µH)

(A)

(A)

(A)

(mΩ) max.

SRP1204-R50M

0.75 ± 20 %

0.55 ± 20 %

2.0

13.0

14.0

3.0

SRP1204-1R1M

1.30 ± 20 %

1.10 ± 20 %

2.0

12.0

13.0

4.5

SRP1204-1R8M

2.00 ± 20 %

1.80 ± 20 %

2.0

10.0

11.0

6.0

DIMENSIONS:

MM

(INCHES)

R50