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 DR343 SERIES

Features

Flat Top for Pick and Place

Inductance Range from 18µH 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.

DR343-180

18

0.06

1.81

9.9

DR343-260

26

0.1

1.48

9.9

DR343-390

39

0.1

1.20

13.2

DR343-540

54

0.2

1.00

16,5

DR343-780

78

0.3

0.82

23.1

DR343-121

120

0.4

0.67

29.7

DR343-181

180

0.6

0.54

36.3

DR343-251

250

0.9

0.44

49.5

DR343-381

380

1.3

0.36

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. DR343 becomes 42-343).

4.

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

1

2

11.43

[0.450]

PCB SOLDER PAD LAYOUT(REF.)

FRONT VIEW

16.89

[0.665]

14.35

[0.565]

DATE

DR343

14.48

[0.570]

2.00

[0.079]

SIDE VIEW

9.00 Max.

[0.354 Max.]

SCHEMATIC

11.43

[0.450]

BOTTOM VIEW