CST1-100LC COILCRAFT, CST1-100LC Datasheet

CST1-100LC

Manufacturer Part Number

CST1-100LC

Description

Manufacturer

COILCRAFT

Datasheet

1.CST2-125LD.pdf (2 pages)

Specifications of CST1-100LC

Lead Style

Gull Wing

Maximum Dcr Primary Side

0.0007 Ohm

Maximum Dcr Secondary Side

5.5 Ohm

Primary Side Inductance

2000 uH

Operating Frequency

0.05 to 1 MHz

Mounting

Surface Mount

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CST1-020L_

CST1-030L_

CST1-040L_

CST1-050L_

CST1-060L_

CST1-070L_

CST1-100L_

CST1-125L_

1. When ordering, please specify termination and packaging codes:

2. Inductance measured between secondary pins at 100 kHz, 0.1 Vrms.

3. Primary current of 10 A causes approximately 25°C temperature rise

4. Terminating resistance (R

5. Maximum volt-time product for the secondary.

6. Storage and operating temperature range -40°C to +125°C.

7. Electrical specifications at 25°C.

Termination: L = RoHS compliant matte tin over nickel over phos bronze

Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic

above 25°C ambient. Higher current causes a greater temperature

rise (see Temperature Rise vs Current curve).

10 Amps flowing through the primary. Varying terminating resistance

increases or decreases output Voltage/Ampere according to the

following equation: R

CST1

Part number

SMT Current Sensors – CST Series

B = Less than full reel. In tape, but not machine ready.

D = 13″ machine-ready reel. EIA-481 embossed plastic

CST2-020L_

CST2-030L_

CST2-040L_

CST2-050L_

CST2-060L_

CST2-070L_

CST2-100L_

CST2-125L_

Special order:

T = RoHS tin-silver-copper (95.5/4/0.5) or

S = non-RoHS tin-lead (63/37).

tape (250 parts per full reel).

To have a leader and trailer added ($25 charge), use

code letter C instead.

tape (1000 parts per full reel).

CST2

(Ohms) = V

CSTX-125LC

) value is based on 1 Volt output with

Turns (N) Inductance

out

pri : sec

1 : 20

1 : 30

1 : 40

1 : 50

1 : 60

1 : 70

1 : 100

1 : 125

× N

sec

/ I

in.

min (µH)

Specifications subject to change without notice.

Please check our website for latest information.

2000

3000

180

320

500

730

980

Primary

0.0007

DCR max (Ohms)

The CST surface mount current sensing transformers

are designed for use from 50 kHz to nearly 1 MHz to

sense continuous currents to 10 Amps and greater.

The CST1 and CST2 differ in pinout numbering and layout

in order to meet the requirements of different applications.

These transformers feature extremely low primary DC

resistance and 500 V isolation between windings. They

are available in eight different turns ratios to meet a

wide variety of requirements. They are ideal for use in

switching power supply applications.

Coilcraft Designer’s Kit C389 contains samples of each

of the standard parts shown. To order, contact Coilcraft

or visit http://order.coilcraft.com.

Typical Circuits

CST1

CST2

Secondary

0.400

0.870

1.14

1.50

1.98

4.75

5.50

6.50

(1 turn)

Pri

current

Sensed Terminating

I I I I I

(A)

resistance R

(N turns)

Sec

Document 385-1 Revised 08/19/10

(Ohms)

10.0

12.5

2.0

3.0

4.0

5.0

6.0

7.0

Document 385-1

Volt-time

(V-µsec)

product

101

out

Orange

Yellow

Color

Green

Violet

Black

Gray

Blue

Red

dot

Related parts for CST1-100LC

CST1-100LC Summary of contents

Page 1

... The CST surface mount current sensing transformers are designed for use from 50 kHz to nearly 1 MHz to sense continuous currents to 10 Amps and greater. The CST1 and CST2 differ in pinout numbering and layout in order to meet the requirements of different applications. These transformers feature extremely low primary DC resistance and 500 V isolation between windings ...

Page 2

... Weight: 0.4 g Tape and reel: 250/7″ reel; 1000/13″ reel 16 mm tape width For packaging data see Tape and Reel Specifications section. © Coilcraft, Inc. 2010 Pinouts CST1 Bottom View 0.240 6,10 0.004 / 0,10 ...

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