March 1, 2007

Email: ddisales@datatronics.com

499 King’s Road, Hong KongTel: (852) 2562 3858, (852) 2564 8477 Fax: (852) 2565 7214, (852) 2563 1290

All specifications are subject to change without notice.

SELF-LEADED SMD INDUCTOR DR344 SERIES

Features

Low Profile Surface Mount Design

Flat Top for Pick and Place

Inductance Range from 17µH to 380µH

Tape & Reel Packing

Operating Temp. -40°C to +85°C

Tinned Leads with Leaded Solder is Available (note 3)

ELECTRICAL SPECIFICATIONS AT 25ºC

PART No.

INDUCTANCE (

µH)

±20% @100KHz, 0.1V

DCR (

Ω)

±20%

RATED CURRENT

(A) Nominal

ETop @100KHz

(V-

µSec) Ref.

DR344-170

17

0.05

3.00

13.2

DR344-240

24

0.07

2.74

16.5

DR344-370

37

0.10

2.24

19.8

DR344-530

53

0.13

1.87

26.4

DR344-770

77

0.20

1.54

33.0

DR344-111

110

0.30

1.26

42.9

DR344-161

160

0.40

1.02

56.1

DR344-251

250

0.60

0.83

72.6

DR344-381

380

1.00

0.68

75.9

MECHANICAL OUTLINES

NOTES:

1.

All dimensions are shown in millimeters “mm” [inches “in”].

2.

General tolerance

±0.25mm [0.010 in.], unless otherwise specified.

3.

For non-RoHS parts replace DR prefix with 42- (e.g. DR344 becomes 42-344).

4.

Terminal finish is compliant to RoHS requirements. Solder in accordance with J-STD-020C.

1

2

12.70

[0.500]

PCB SOLDER PAD LAYOUT (REF.)

FRONT VIEW

17.78

[0.700]

15.24

[0.600]

DATE

DR344

15.75

[0.620]

2.00

[0.079]

SIDE VIEW

10.00 Max.

[0.394 Max.]

SCHEMATIC

12.70

[0.500]

BOTTOM VIEW