August 6, 2009

DATATRONIC:

28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700, Fax: 951-928-7701 Email: ddisales@datatronics.com

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

All specifications are subject to change without notice.

0.60

[0.024]

2.54

[0.100]

BOTTOM VIEW

9.20

[0.362]

SM503

DATE

7.20

[0.283]

TOP VIEW

FRONT VIEW

5.20 Max.

[0.204 Max.]

2

1

5.90

[0.232]

3

4

SCHEMATIC

4

3

1

2

7.2

1.2

2.54

5.0

Suggested PCB Pad Layout

SM503 SERIES SURFACE MOUNT COMMON MODE CHOKE

Features



Inductance Range from 5 µH to 4700µH



Operating Temp. -40°C to +85°C



Operating Voltage: 110V 50Hz/60Hz



Isolation Voltage: 500V Min. 50Hz/60Hz



Differential Inductance: 0.2µH Max. @ 100KHz 0.1V



Tinned Leads with Leaded Solder is Available

(Note 3)



Custom Inductance Values Available



Formerly the DR322 Series

ELECTRICAL SPECIFICATIONS AT 25ºC

PART No.

Turns Ratio

(2-3) & (1-4) (

1%)

Inductance (

H)

@100kHz, 0.1V,

20%

DCR (

) Max.

(2-3) & (1-4)

RATED CURRENT

(A) Max.

SM503-502

1:1

5

0.11

0.5

SM503-113

1:1

11

0.12

0.5

SM503-253

1:1

25

0.20

0.5

SM503-513

1:1

51

0.30

0.5

SM503-474

1:1

470

0.25

0.5

SM503-105

1:1

1000

0.40

0.5

SM503-475

1:1

4700

0.55

0.2

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 SM prefix with 42- (e.g. SM503-502 becomes 42-503-502)

4.

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