CMT4-3-R Cooper/Bussmann, CMT4-3-R Datasheet

CMT4-3-R

Manufacturer Part Number

CMT4-3-R

Description

Ind Common Mode Wirewound 2.7mH 10KHz Ferrite 3A Toroid Bulk

Manufacturer

Cooper/Bussmann

Type

Common Moder

Datasheet

1.CMT4-3-R.pdf (4 pages)

Specifications of CMT4-3-R

Product Length

25 mm

Product Height

25.5 mm

Product Depth

15.4 mm

Lead Style

Toroid

Core Material

Ferrite

Inductance

2.7 mH

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Description

• Four sizes of through-hole off-line

• Inductance range from 0.53 - 66 mH

• Current range up to 6.5 Amps

• Noise attenuation up to 68 dB

• Frequency range up to 6 MHz

• Meets UL94V-0 flammability standard

• Ferrite core material

Applications

• Protects AC input from effects of switching regulators

• Off-line power supplies

• EMI filters

• DC-DC converters

• Computer, TV, VCR, audio and office equipment

Environmental Data

• Storage temperature range: -40°C to +125°C

• Operating ambient temperature range: -40°C to +85°C

Definitions:

OCL = Open Circuit Inductance

DCR = Direct Current Resistance

Irms = rms current for 40°C max temperature rise at worst case ambient temperature

common mode inductors

range is application specific. The internal “hot-spot”

temperature defines the maximum allowable currents,

which are limited to 130°C, including ambient.

Part Number

of 85°C

CMT1-10-R

CMT2-10-R

CMT1-1-R

CMT1-2-R

CMT1-3-R

CMT1-4-R

CMT1-5-R

CMT1-6-R

CMT1-7-R

CMT1-8-R

CMT1-9-R

CMT2-1-R

CMT2-2-R

CMT2-3-R

CMT2-4-R

CMT2-5-R

CMT2-6-R

CMT2-7-R

CMT2-8-R

CMT2-9-R

CMT3-1-R

CMT3-2-R

CMT3-3-R

CMT3-4-R

CMT3-5-R

CMT3-6-R

CMT4-1-R

CMT4-2-R

CMT4-3-R

CMT4-4-R

CMT4-5-R

CMT4-6-R

(mH) min

OCL

(1-2)

66.0

49.0

28.0

7.50

4.20

2.40

1.85

0.94

0.92

0.53

0.92

0.53

8.0

6.0

4.8

3.2

2.4

2.0

1.6

5.4

3.5

2.7

1.3

5.4

3.5

2.7

1.3

(mH) min

OCL

(4-3)

66.0

49.0

28.0

7.50

4.20

2.40

1.85

0.94

0.92

0.53

0.92

0.53

8.0

6.0

4.8

3.2

2.4

2.0

1.6

5.4

3.5

2.7

1.3

5.4

3.5

2.7

1.3

2002/95/EC

RoHS

Electrical Characteristics:

OCL (1-2) 0.10Vrms, 10kHz, 0.0Adc: (See Chart)

OCL (4-3) 0.10Vrms, 10kHz, 0.0Adc: (See Chart)

DCR (1-2) typ @ 20°C: (See Chart)

DCR (4-3) typ @ 20°C: (See Chart)

Hipot rating: winding to winding: 2400 Vac for 1 second.

Turns Ratio: (1-2):(4-3) 1:1

Packaging

• Supplied in bulk packaging

Amperes

I rms.

max

0.74

0.88

1.13

1.37

1.76

2.27

2.89

3.85

4.53

6.05

1.50

1.95

2.45

2.80

3.40

3.95

4.40

4.75

5.45

5.75

2.0

2.6

3.0

4.0

5.0

6.5

2.0

2.6

3.0

4.0

5.0

6.5

DCR (Ω) typ

Common Mode Inductors

@ 20°C

0.045

0.033

0.018

0.350

0.220

0.135

0.100

0.070

0.053

0.042

0.037

0.028

0.026

0.055

0.032

0.021

0.013

0.055

0.032

0.021

0.013

(1-2)

1.20

0.85

0.50

0.35

0.20

0.13

0.08

0.12

0.08

0.12

0.08

(Through-Hole)

CMT-SERIES

DCR (Ω) typ

@ 20°C

0.045

0.033

0.018

0.350

0.220

0.135

0.100

0.070

0.053

0.042

0.037

0.028

0.026

0.055

0.032

0.021

0.013

0.055

0.032

0.021

0.013

(4-3)

1.20

0.85

0.50

0.35

0.20

0.13

0.08

0.12

0.08

0.12

0.08

Related parts for CMT4-3-R

CMT4-3-R Summary of contents

Page 1

... CMT3-3-R 2.7 CMT3-4-R 1.3 CMT3-5-R 0.92 CMT3-6-R 0.53 CMT4-1-R 5.4 CMT4-2-R 3.5 CMT4-3-R 2.7 CMT4-4-R 1.3 CMT4-5-R 0.92 CMT4-6-R 0.53 Definitions: OCL = Open Circuit Inductance DCR = Direct Current Resistance Irms = rms current for 40°C max temperature rise at worst case ambient temperature of 85° ...

Page 2

... CMT3 Series TOP VIEW SIDE VIEW Pin #1 Indicator 1 2 25.0 max Dia max CMT4 Series FRONT VIEW SIDE VIEW 15.4 max 25 25.5 max Pin #1 indicator RECOMMENDED PCB LAYOUT CMT1-X wwll yy R 1.15 dia ± 0. 10.0 ± 0.20 ...

Page 3

... FREQUENCY (MHz) Attenuation CMT2 Series - - 0.08 0.1 0.15 0.2 0.3 0.4 0.5 FREQUENCY (MHz) Attenuation CMT3 & CMT4 Common Mode - 0.06 0.1 0.2 0.4 0.6 0.8 1 FREQUENCY (MHz) CMT-SERIES Common Mode Inductors (Through-Hole 0.6 0.7 0.8 ...

Page 4

... CMT-SERIES Common Mode Inductors (Through-Hole) Impedance CMT1 - 6 thru -10 - 0.2 0.4 0.6 0.8 1 1.4 FREQUENCY (MHz) Impedance CMT2 - 6 thru - -10 1 1.2 1.4 1.6 FREQUENCY (MHz) Impedance CMT3 & CMT4 - 0.2 0.4 0.6 0 FREQUENCY (MHz) 4 ...

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