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.

.370

9,40

12

SUGGESTED PAD LAYOUT

.510 MAX.

12,95

.205 MAX.

5,21

.300

7,62

.100

2,54

.109

2,79

.290

7,37

.115

2,92

XXX

MECHANICAL SPECIFICATIONS

SMD INDUCTOR DR331-1 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 8)

ELECTRICAL SPECIFICATIONS AT 25ºC

Inductance

DCR

I rms (A)

I sat (A)

SRF

Part No.

(

H)  20%

(

) Max.

Max. (Note 3)

Max. (Note 2)

(MHz) REF.

DR331-1-102

1.0

0.009

6.80

9.0

100.0

DR331-1-152

1.5

0.010

6.40

8.0

90.0

DR331-1-222

2.2

0.012

6.10

7.0

80.0

DR331-1-332

3.3

0.015

5.40

6.4

65.0

DR331-1-472

4.7

0.018

4.80

5.4

45.0

DR331-1-682

6.8

0.027

4.40

4.6

38.0

DR331-1-103

10

0.038

3.90

3.8

30.0

DR331-1-153

15

0.046

3.10

3.0

27.0

DR331-1-223

22

0.085

2.70

2.6

19.0

DR331-1-333

33

0.10

2.10

2.0

15.0

DR331-1-473

47

0.14

1.80

1.6

12.0

DR331-1-683

68

0.20

1.50

1.4

10.0

DR331-1-104

100

0.28

1.30

1.2

9.0

DR331-1-154

150

0.40

1.00

1.0

6.0

DR331-1-224

220

0.61

0.80

0.8

5.0

DR331-1-334

330

1.02

0.60

0.6

4.5

DR331-1-474

470

1.27

0.50

0.5

3.5

DR331-1-684

680

2.02

0.40

0.4

2.5

DR331-1-105

1000

3.00

0.30

0.3

2.0

1

2

SCHEMATIC

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 42-331-1-XXX are

finished with leaded solder Sn60Pb40 or

equivalent