Manufacturer of Passive Components

800-684-5322 Inside US

949-453-1811 Outside US

Copyright © 2017 by CT Magnetics, DBA Central Technologies. All rights reserved.

CT Magnetics reserves the right to make improvements or change specifications without notice

REV 11.07.17

SMD Wire-wound Chip Inductors

www.ctparts.com

CT1812CSF

Series

From 1.0µH to 33µH

SPECIFICATIONS

Parts are available in ±5% inductance tolerance only.

L Test

Q Test

SRF

DCR

Irms

Part

Inductance

Freq.

Q

Freq.

Min.

Max.

Typ.

Number

(µH)

(MHz)

Min.

(MHz)

(MHz)

(

Ω)

(mA)

CT1812CSF-1R0J

1.0

7.9

60

50

310

1.2

480

CT1812CSF-1R2J

1.2

7.9

62

50

230

1.2

480

CT1812CSF-1R5J

1.5

7.9

65

50

210

1.6

430

CT1812CSF-1R8J

1.8

7.9

68

50

190

2.0

380

CT1812CSF-2R2J

2.2

7.9

63

50

170

2.2

340

CT1812CSF-2R7J

2.7

7.9

60

50

160

3.2

300

CT1812CSF-3R3J

3.3

7.9

60

50

145

3.8

270

CT1812CSF-3R9J

3.9

7.9

61

50

130

5.0

240

CT1812CSF-4R7J

4.7

7.9

60

50

115

5.4

230

CT1812CSF-5R6J

5.6

7.9

42

50

100

5.7

220

CT1812CSF-6R8J

6.8

7.9

32

50

90

6.6

210

CT1812CSF-8R2J

8.2

7.9

35

50

80

7.0

200

CT1812CSF-100J

10

7.9

27

50

70

7.7

190

CT1812CSF-120J

12

2.5

34

10

58

8.7

180

CT1812CSF-150J

15

2.5

32

10

48

9.6

170

CT1812CSF-180J

18

2.5

28

10

36

10.5

160

CT1812CSF-220J

22

2.5

28

10

34

11.5

155

CT1812CSF-270J

27

2.5

28

10

30

12.5

150

CT1812CSF-330J

33

2.5

20

10

20

13.5

145

Not Shown at Actual Size

CHARACTERISTICS

PHYSICAL DIMENSIONS

Description: SMD ceramic core wire-wound chip inductor

Applications: RF products for cellular phone, GPS receiver,

base station, repeater, wireless LAN/mouse/keyboard/earphone,

remote control, security system, etc.

Operating Temperature: -40°C to +125°C (including

self-temperature rise)

Irms: A 15°C temperature rise from 25°C ambient with

current

Inductance Tolerance: ±5%

Packaging: Tape & Reel

Additional Information: Additional electrical & physical

information available upon request

Samples available. See website for ordering information.

B

A

E

F

D

G

F

C

A

B

C

D

E

F

G

Max.

Max.

Max.

4.95

3.81

3.43

1.78

2.54

0.64

3.25

0.19

0.15

0.14

0.07

0.10

0.03

0.13

Size

mm

inches

PAD LAYOUT

3.05

3.00

1.14

1.14

Unit: mm