Rev Date: 08/29/2019

1

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LDRS Series

SMD Shielded Power Inductor

Stackpole Electronics, Inc.

Resistive Product Solutions

Features:

•

Compact, low profile with low DCR and high current

•

Provides magnetic shielding against radiation

•

Flat bottom provides reliable surface mounting

•

Contact Stackpole for additional inductance values

•

100% RoHS compliant and lead free without exemption

•

Halogen free

•

REACH compliant

Applications:

•

GPS and PDAs

•

Personal computers

•

DC/DC converters

Mechanical Specifications (LDRS2424, 2828, 4040)

Inductance and Current Ranges

Type/Code

D

E

H

I

J

Unit

0.236 ± 0.008

0.110 ± 0.008

0.157

0.079

0.087

0.059

0.157

inches

6.00 ± 0.20

2.80 ± 0.20

4.00

2.00

2.20

1.50

4.00

mm

0.276 ± 0.008

0.110 ± 0.008

0.157

0.079

0.087

0.059

0.157

inches

7.00 ± 0.20

2.80 ± 0.20

4.00

2.00

2.20

1.50

4.00

mm

0.276 ± 0.008

0.118 ± 0.008

0.157

0.079

0.087

0.059

0.157

inches

7.00 ± 0.20

3.00 ± 0.20

4.00

2.00

2.20

1.50

4.00

mm

0.276 ± 0.008

0.126 ± 0.008

0.157

0.079

0.087

0.059

0.157

inches

7.00 ± 0.20

3.20 ± 0.20

4.00

2.00

2.20

1.50

4.00

mm

0.398 ± 0.012

0.177 ± 0.012

0.236

0.118

0.126

0.098

0.220

inches

10.10 ± 0.30

4.50 ± 0.30

6.00

3.00

3.20

2.50

5.60

mm

A

C

LDRS2828…-MP

LDRS2828…-HP

LDRS2424

LDRS2828…-LP

LDRS4040

Type/Code

Inductance (μH)

Current Range (A)

LDRS2424

4.7 ~ 100

1.6 ~ 0.42

LDRS2828-LP

3.3 ~ 56

1.6 ~ 0.5

LDRS2828-MP

3.3 ~ 100

1.8 ~ 0.35

LDRS2828-HP

1 ~ 1000

2.2 ~ 0.13

LDRS4040

1 ~ 1500

7.8 ~ 0.22

LDRS4949-LP

6 ~ 1500

3.6 ~ 0.29

LDRS4949

2 ~ 150

10 ~ 1

LDRS4949-HP

1.2 ~ 220

13 ~ 1.3

Electrical specifications at 25ºC.