*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.

SRR1305 Series - SMD Shielded Power Inductors

Features

■

Low height of only 5.0 mm

■

Inductance as low as 0.9 µH

■

High current up to 20 amps

■

RoHS compliant*

Applications

■

Input/output of DC/DC converters

■

Power supplies for:

•

Portable communication equipment

•

Camcorders

•

LCD TVs

•

Car radios

Electrical Specifications

Inductance vs. DC Superposition Characteristics

Product Dimensions

Recommended Layout

Electrical Schematic

General Specifications

Test Voltage .....................................0.1 V

Reflow Soldering ...230 °C, 50 sec. max.

Operating Temperature .-40 °C to +125 °C

(Temperature rise included)

Storage Temperature...-40 °C to +125 °C

Resistance to Soldering Heat

..................................260 °C for 5 sec.

Materials

Core ............................Ferrite ER and SB

Wire .......................Ultra-fine rectangular

enameled copper

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

Adhesive ..............................Epoxy resin

Rated Current

...........Ind. drop 20 % max. at (L1) Isat

Temperature Rise

......................45 °C max. at rated Irms

Packaging.....................600 pcs. per reel

Inductance 100 kHz

SRF

RDC

I rms

I sat

Bourns Part No.

L0 (µH)

L1 (µH)

Tol. %

Min.

(m

Ω

Ω)

(L1) Max.

Typ.

(MHz)

(A)

(A)

SRR1305-R90ZL

0.9

0.75

± 25

95

2.5

20.0

22.0

SRR1305-1R4ZL

1.4

1.25

± 25

70

3.4

16.0

18.0

SRR1305-2R0ZL

2.0

1.80

± 25

60

4.6

13.0

15.0

SRR1305-2R7ZL

2.7

2.50

± 25

50

9.5

6.0

10.0

12.5 ± 0.3

(.492 ± .012)

12.5 ± 0.3

(.492 ± .012)

1.9 ± 0.2

(.075 ± .008)

NOM.

2.5

(.098)

NOM.

2.0

(.079)

NOM.

2.0

(.079)

NOM.

7.5 ± 0.25

(.295 ± .010)

5.0 ± 0.3

(.020 ± .012)

13.0

(.512)

4.7

(.185)

REF.

4.15

(.163)

REF.

4.15

(.163)

REF.

REF.

3.0

(.118)

NOM.

4.5

(.177)

NOM.

7.5

(.295)

REF.

10.5

(.413)

DC Current (A)

30

010

20

1.0

2.0

3.0

2R0Z

2R7Z

1R4Z

R90Z

DIMENSIONS:

MM

(INCHES)