November 2, 2011

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

SUGGESTED PAD LAYOUT

.115

2,92

.290

7,37

.110

2,79

.300

7,62

.200 MAX.

5,08

.370 MAX.

9,40

.510 MAX.

12,95

.100

2,54

331-8

XXX

1

2

ELECTRICAL SPECIFICATIONS AT 25°C

Inductance

DCR

I rms (A)

I sat (A)

Q

SRF

Part No.

(

H)  20%

(

) Max.

Max. (Note 3)

Max. (Note 2)

Min.

MHz (REF.)

DR331-8-102

1.0

0.021

5.0

5.6

10

140

DR331-8-152

1.5

0.022

4.5

5.2

10

120

DR331-8-222

2.2

0.032

3.8

5.0

10

80

DR331-8-332

3.3

0.039

3.3

3.9

10

70

DR331-8-472

4.7

0.054

2.7

3.2

15

40

DR331-8-682

6.8

0.075

2.2

2.8

15

38

DR331-8-103

10

0.101

2.0

2.4

15

35

DR331-8-153

15

0.15

1.5

2.0

20

25

DR331-8-223

22

0.207

1.3

1.6

20

19

DR331-8-333

33

0.334

1.1

1.4

20

15

DR331-8-473

47

0.472

0.8

1.0

20

13

MECHANICAL SPECIFICATIONS

SHIELDED SMD INDUCTOR DR331-8 SERIES

Features



Low Profile Surface Mount Design



Inductance Range from 1.0µH to 47µH



Operating Temp. -40°C to +85°C



Tinned Leads with Leaded Solder is Available (note 8)

NOTES:

1.

Dimensions are shown in inches/millimeters

Unless otherwise specified, tolerance

= Inches: ±0.010

= Millimeters: ±0,30

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, 500 pcs / reel.

5.

Inductance tested at 0.1 Vrms @ 100 kHz

6.

Terminal finish is compliant to RoHS

requirements

7.

Solder in accordance with J-STD-002 Rev. D

8.

Non-RoHS series parts 42-331-8-XXX are

finished with leaded solder Sn60Pb40 or

equivalent