CST306-3A Triad Magnetics, CST306-3A Datasheet

CST306-3A

Manufacturer Part Number

CST306-3A

Description

TRANSF 55MH CRNT SENSE

Manufacturer

Triad Magnetics

Series

CST306r

Type

Current Senser

Datasheets

1.CST306-KIT.pdf (2 pages)

2.CST306-3A.pdf (1 pages)

3.CST306-3A.pdf (3 pages)

Specifications of CST306-3A

Transformer Type

Frequency 20-200kHz

Turns Ratio - Primary:secondary

1 : 200

Inductance

55mH

Current Rating

25A

Dc Resistance (dcr)

3.75 Ohm Max

E.t.

2000V µS

Mounting Type

PCB

Frequency Range

20 KHz to 200 KHz

Termination Style

Radial

Dimensions

17.53 mm L x 9.78 mm W x 23.24 mm H

Product

Current Sense Transformers

Brand/series

CST Series

Configuration

Encapsulated

Current, Primary

25 A

Frequency

20-200 kHz

Number Of Outlets

Number Of Turns

200

Phase

Resistance, Dc

3.75 Ohms

Resistance, Dc, Primary

250 μOhms (Max.)

Resistance, Dc, Sence

21 Ohms (Max.)

Standards

Temperature Rating

130 °C

Temperature, Operating

+40 °C

Termination

Thru-Hole

Turns Ratio

1:500

Input Current

25A

Dc Resistance Max

3.75ohm

Rohs Compliant

Yes

Transformer Mounting

Through Hole

Leaded Process Compatible

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

237-1108

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CST306-3A

Description:

Designed for switching power supply applications, Triad current sense

transformers are used to detect the current passing through a conductor.

These transformers are very reliable and operate over the frequency range of

20 kHz-200 kHz.

Electrical Specifications (@25C)

Safety:

These current sense transformers are constructed of UL rated 130°C materials.

Dimensions:

.180

Units: In inches

Technical Notes:

products meet the requirements of 2002/95/EC, known as the RoHS initiative.

Min

RoHS Compliance:

REF 20kHz

ET VµSEC

1. START OF TEST CONDUCTOR TO HAVE

2. DECAL ARROW ON CASE TO INDICATE

1. Derate ET product by 32% for 50 kHz, 52% for 100 kHz and 50% for

2. Rated primary current renders approximately 40°C temp. rise.

3. Maximum recommended terminating resistance of 1 ohm per turn.

4. Primary is inserted through hole in casting.

THE SAME POLARITY AS PIN 1

POLARITY

2000

Max

.915

unidirectional operation.

.528

Ref

Count

Turns

.127

Ref

200

As of manufacturing date February 2005, all standard

.500

Ref

Max

.385

Ind. mH

Min.

55.0

Max

.690

Dia. Pins

DCR Max. Ω

PIN 1

ARROW

.032

POLARITY DETAIL TOP VIEW

3.750

Current Sense Transformers

Pri. Amps

25.0 RMS

TEST CONDUCTOR

C L

Related parts for CST306-3A

CST306-3A Summary of contents

Page 1

... CST306-3A Description: Designed for switching power supply applications, Triad current sense transformers are used to detect the current passing through a conductor. These transformers are very reliable and operate over the frequency range of 20 kHz-200 kHz. Electrical Specifications (@25C) ET VµSEC Turns REF 20kHz Count Ind ...

Page 2

... CT B CST306-2A 1000 100 A CST306-2T 1000 100 CT B CST306-3A 2000 200 A CST306-3T 2000 200 CT 3. CST206 models have maximum recommended terminating resistance of 1 ohm per turn. 4. Primary is inserted through hole in casing pin or center tapped (CT) models are designed with a T suffix. Turns ...

Page 3

... Turns ratio: Primary to sense 1:500 2. Suggested burden resistor: 60 ohms. 3. Typical ouput: 110 mV /Amp Triad current sense transformers are used to detect the current passing through a conductor. These transformers are very reliable and operate effectively between 50-60 Hz. They are constructed of UL rated 130ºC materials ...

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