SMD Power Choke: P/N 1812SDFC series

Rev. B

Jan. 10, 2012. Page: 1 of 1

Frontier Electronics Corp.

®

667 E. COCHRAN STREET, SIMI VALLEY, CA 93065

TEL: (805) 522-9998

FAX: (805) 522-9989

E-mail: frontiersales@frontierusa.com

Web:

http://www.frontierusa.com

A.

Electrical specifications:

Part No.

Mark

L (uH)

Tolerance

Test Freq.

SRF TYP.

(MHz)

DCR (

Ω)

Max.

IDC Max.

(A)

1812SDF-1R0-LFR

1R0

1.00

M

1.0 KHz

100

0.08

1.080

1812SDF-1R5-LFR

1R5

1.50

M

1.0 KHz

85.0

0.09

1.000

1812SDF-2R2-LFR

2R2

2.20

M

1.0 KHz

60.0

0.11

0.900

1812SDF-3R3-LFR

3R3

3.30

M

1.0 KHz

47.0

0.13

0.800

1812SDF-4R7-LFR

4R7

4.70

M, K

1.0 KHz

35.0

0.15

0.750

1812SDF-6R8-LFR

6R8

6.80

M, K

1.0 KHz

30.0

0.20

0.720

1812SDF-100-LFR

100

10.0

K, J

1.0 KHz

23.0

0.24

0.650

1812SDF-150-LFR

150

15.0

K, J

1.0 KHz

20.0

0.32

0.570

1812SDF-220-LFR

220

22.0

K, J

1.0 KHz

15.0

0.60

0.420

1812SDF-330-LFR

330

33.0

K, J

1.0 KHz

12.0

1.00

0.310

1812SDF-470-LFR

470

47.0

K, J

1.0 KHz

10.0

1.10

0.280

1812SDF-680-LFR

680

68.0

K, J

1.0 KHz

8.4

1.07

0.220

1812SDF-101-LFR

101

100

K, J

1.0 KHz

6.8

2.20

0.190

1812SDF-151-LFR

151

150

K, J

1.0 KHz

5.5

3.50

0.130

1812SDF-221-LFR

221

220

K, J

1.0 KHz

4.5

4.00

0.110

1812SDF-331-LFR

331

330

K, J

1.0 KHz

3.6

6.80

0.100

1812SDF-471-LFR

471

470

K, J

1.0 KHz

3.0

8.50

0.090

B.

Mechanical dimensions: (Unit: mm)

SERIES

A

B

C

D

E

F

Type

1812SDF

4.5 ± 0.30

3.2 ± 0.30

2.6 ± 0.30

1.0 (Min.)

1.0 (Min.)

4.0 Ref.

2

Type: 2

C.

Feature:

1.  (Tolerance): J = ± 5%, K = ± 10%, M = ± 20%.

2. Operating temperature: -25ºC TO +85ºC.

3. Electrical specifications at +25ºC.

4. Inductance measured on the HP4284A LCR meter

5. DCR measured on the 502BC milli-ohm meter.

6. I DC: Inductance drops no more than 10% at rated current or the

Δt ≤ 40ºC.

7. Temperature rises Δ t < 40ºC (Typical) at rated current and room temperature 20ºC.

8. Tape and reel packing. Suitable for IR re-flows soldering.

D. Applications:

Power supply line choke.

DC-DC Converters.

Notebooks.

Filters.

Telecommunications devices.

Special specifications are available for customer’s requirement.