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 11.09.17

CT8645LLF

Series

From 1.0µH to 1,000µH

SPECIFICATIONS

Part number indicates available inductance tolerance.

L = ±15%, M = ±20%

Insert “H” or “V” at the end of part number for mounting style.

H = Horizontal Mount / V = Vertical Mount

DCR

Part

L(µH)

Idc

L(µH)

(Ω)

A

B

C

Number

@1kHz

(A)

@Irated

Max.

Nom.

Nom.

Nom.

CT8645LLF-1R0M-T_

1.0

21.4

0.8

0.002

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-1R5M-T_

1.5

18.5

1.1

0.003

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-2R2M-T_

2.2

16.5

1.5

0.003

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-3R3M-T_

3.3

15.1

2.1

0.003

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-4R7M-T_

4.7

14.0

2.9

0.003

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-5R6M-T_

5.6

13.1

3.3

0.004

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-6R8M-T_

6.8

12.3

3.9

0.004

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-8R2M-T_

8.2

11.7

4.5

0.005

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-100L-T_

10

11.4

5.2

0.005

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-120L-T_

12

10.9

6.1

0.006

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-150L-T_

15

10.5

7.3

0.006

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-180L-T_

18

10.1

8.5

0.007

0.37/9.40

0.80/20.3

0.053/1.35

CT8645LLF-220L-T_

22

7.5

11.8

0.012

0.35/8.89

0.78/19.8

0.042/1.07

CT8645LLF-270L-T_

27

7.3

14.2

0.012

0.35/8.89

0.78/19.8

0.042/1.07

CT8645LLF-330L-T_

33

6.9

16.6

0.014

0.35/8.89

0.78/19.8

0.042/1.07

CT8645LLF-390L-T_

39

6.6

18.8

0.015

0.35/8.89

0.78/19.8

0.042/1.07

CT8645LLF-470L-T_

47

5.2

25.3

0.024

0.33/8.38

0.76/19.3

0.034/0.86

CT8645LLF-560L-T_

56

5.0

29.3

0.026

0.33/8.38

0.76/19.3

0.034/0.86

CT8645LLF-680L-T_

68

4.7

34.0

0.030

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-820L-T_

82

4.6

39.9

0.032

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-101L-T_

100

4.3

46.2

0.036

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-121L-T_

120

4.1

53.5

0.039

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-151L-T_

150

3.9

63.8

0.043

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-181L-T_

180

3.7

73.3

0.048

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-221L-T_

220

3.5

85.1

0.053

0.40/10.2

0.76/19.3

0.034/0.86

CT8645LLF-271L-T_

270

2.7

124.2

0.093

0.37/9.40

0.74/18.8

0.027/0.69

CT8645LLF-331L-T_

330

2.5

145.1

0.103

0.37/9.40

0.74/18.8

0.027/0.69

CT8645LLF-391L-T_

390

2.4

165.4

0.112

0.37/9.40

0.74/18.8

0.027/0.69

CT8645LLF-471L-T_

470

2.3

190.1

0.124

0.38/9.65

0.76/19.3

0.027/0.69

CT8645LLF-561L-T_

560

2.2

217.9

0.134

0.38/9.65

0.76/19.3

0.027/0.69

CT8645LLF-681L-T_

680

2.1

251.9

0.147

0.38/9.65

0.76/19.3

0.027/0.69

CT8645LLF-821L-T_

820

1.6

361.6

0.257

0.37/9.40

0.75/19.1

0.022/0.56

CT8645LLF-102L-T_

1000

1.5

421.5

0.284

0.37/9.40

0.75/19.1

0.022/0.56

Not Shown at Actual Size

CHARACTERISTICS

Description: Low core loss, high current toroid inductors (hori-

zontal and vertical mounting styles).

Applications: Switch mode power supplies, DC/DC converters,

output chokes, EMI filters

Operating Temperature: -55°C to +125°C

IDC: Current to cause a 30°C temperature rise

Testing: Inductance is tested on an HP4284A at 1kHz

Packaging: Bulk

Additional Information: Additional electrical & physical

information available upon request

Samples available. See website for ordering information.

0.86/21.8

(Max.)

0.45/11.4(Max.)

C

A

0.5/12.7 lead length tinned to

within 0.062/1.57 above

mounting plane.

0.45/11.4(Max.)

C

B

0.86/21.8

(Max.)

0.5/12.7 lead length tinned to

within 0.062/1.57 above

mounting plane.

Unit: inch/mm

Vertical

Horizontal

Physical Dimensions (inches/mm)

Dimensions: inches/mm