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 03.08.18

Drum Cores - Radial Leaded

www.ctparts.com

CTDR1F

Series

From 1.0µH to 560µH

SPECIFICATIONS

Part number indicate available tolerance.

K = ±10%, M = ±20%

L Test

DCR

IDC

Part

Inductance

Freq.

Max.

Max.

Number

(µH)

(kHz)

(Ω)

(A)

CTDR1F-1R0M

1.0

1.0

.003

9.0

CTDR1F-1R2M

1.2

1.0

.003

9.0

CTDR1F-1R5M

1.5

1.0

.004

9.0

CTDR1F-1R8M

1.8

1.0

.004

9.0

CTDR1F-2R2M

2.2

1.0

.005

9.0

CTDR1F-2R7M

2.7

1.0

.005

9.0

CTDR1F-3R3M

3.3

1.0

.005

9.0

CTDR1F-3R9M

3.9

1.0

.006

9.0

CTDR1F-4R7M

4.7

1.0

.007

9.0

CTDR1F-5R6M

5.6

1.0

.007

9.0

CTDR1F-6R8M

6.8

1.0

.008

9.0

CTDR1F-8R2M

8.2

1.0

.009

9.0

CTDR1F-100M

10

1.0

.010

9.0

CTDR1F-120K

12

1.0

.011

9.0

CTDR1F-150K

15

1.0

.015

7.2

CTDR1F-180K

18

1.0

.016

7.2

CTDR1F-220K

22

1.0

.025

5.5

CTDR1F-270K

27

1.0

.030

4.5

CTDR1F-330K

33

1.0

.040

4.0

CTDR1F-390K

39

1.0

.046

4.0

CTDR1F-470K

47

1.0

.062

2.8

CTDR1F-560K

56

1.0

.069

2.8

CTDR1F-680K

68

1.0

.077

2.8

CTDR1F-820K

82

1.0

.083

2.8

CTDR1F-101K

100

1.0

.095

2.8

CTDR1F-121K

120

1.0

.127

2.0

CTDR1F-151K

150

1.0

.181

1.6

CTDR1F-181K

180

1.0

.217

1.6

CTDR1F-221K

220

1.0

.240

1.6

CTDR1F-271K

270

1.0

.300

1.6

CTDR1F-331K

330

1.0

.336

1.3

CTDR1F-391K

390

1.0

.460

1.0

CTDR1F-471K

470

1.0

.636

0.8

CTDR1F-561K

560

1.0

.696

0.8

Not Shown at Actual Size

CHARACTERISTICS

PHYSICAL DIMENSIONS

Description: Radial leaded drum core inductor

Applications: Used in switching regulators, power amplifiers,

power supplies, DCR and Triac controls, speaker crossover

networks, RFI suppression and filters

Operating Temperature: -25°C to +85°C

Temperature Rise: 50°C Max. at IDC

IDC: Current at which inductance drops 10% Max.

Inductance Tolerance: ±10%, ±20%

Testing: Inductance is tested on a HP4284A at 1.0kHz, 1V

Packaging: Bulk pack

Sleeving: Coils finished with UL-VW-1 sleeving

Mounting: Center hole furnished for mechanical mounting

other values available

Additional Information: Additional electrical & physical

information available upon request

Samples available. See website for ordering information.

A

B

C

D

E

Max.

Max.

Typ.

Typ.

22.0

17.0

15±2

3.0

12

0.87

0.67

0.59±0.08

0.12

0.47

Size

mm

inches

A

B

D

E

C