February 23, 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.

1

2

SCHEMATIC

.490

12,45

.109

2,79

.490

12,45

.114

2,92

SUGGESTED PAD LAYOUT

.100

2,54

.729 MAX.

18,54

.279 MAX.

7,11

.600 MAX.

15,24

.500

12,70

1

2

331-4

XXX

ELECTRICAL SPECIFICATIONS 25°C

DCR

I rms (A)

I sat (A)

SRF

Part No.

Inductance (

µH)

±20%

(

Ω) Max.

Max. (Note 3)

Max. (Note 2)

(MHz) REF.

DR331-4-102

1

0.009

8.6

20

80

DR331-4-222

2.2

0.014

7.1

16

80

DR331-4-332

3.3

0.018

6.2

14

60

DR331-4-562

5.6

0.020

5.3

12

40

DR331-4-103

10

0.031

4.3

10

30

DR331-4-153

15

0.036

4

8

22

DR331-4-223

22

0.047

3.5

7

20

DR331-4-333

33

0.066

3

5.5

15

DR331-4-473

47

0.086

2.6

4.5

9.0

DR331-4-683

68

0.13

2.3

3.5

8.0

DR331-4-104

100

0.19

1.8

3

7.0

DR331-4-154

150

0.25

1.5

2.6

6.0

DR331-4-224

220

0.38

1.2

2.4

5.0

DR331-4-334

330

0.56

1.0

1.9

4.0

DR331-4-474

470

0.85

0.82

1.4

3.0

DR331-4-684

680

1.1

0.72

1.2

2.5

DR331-4-105

1000

1.8

0.56

1.0

2.0

MECHANICAL SPECIFICATIONS

SMD INDUCTOR DR331-4 SERIES

Features

Low Profile Surface Mount Design

Inductance Range from 1.0µH to 1000µH

Operating Temp. -40°C to +85°C

Tinned Leads with Leaded Solder is Available (note 6)

NOTES:

1.

Dimensions are shown in inches/millimeters

Unless otherwise specified, tolerance

= Inches: ±0.010

= Millimeters: ±0,25

2.

Isat based on the inductance being 90% of

its initial value

3.

Irms based on temperature rise of 40°C

4.

Tape & Reel Packaging, 400 pcs / reel.

5.

Inductance tested at 0.1 Vrms @ 100 kHz

6.

For non-RoHS parts replace DR prefix with

42- (e.g. DR331-4 becomes 42-331-4)

7.

Terminal finish is compliant to RoHS

requirements. Solder in accordance with J-

STD-020C.