Current Sense Transformers

Manufacturer Series Packaging Product Status Frequency Range Type Current Rating (Amps) Inductance ET (Volt-Time) Turns Ratio - Primary:Secondary Current Ratio DC Resistance (DCR) Ratings Mounting Type Size / Dimension Height - Seated (Max) Termination Style

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Current Sense Transformers

Current Sense Transformers are magnetic components used to detect, monitor and measure current in electronic and electrical systems. They provide isolation between the primary current path and sensing circuitry, making them suitable for power monitoring, overload detection, feedback control and protection functions. They are widely used in power supplies, motor drives, industrial control equipment, energy meters, inverters, battery systems, communication equipment and embedded applications.

This category includes current transformers, current sensing transformers, AC current sense transformers, PCB current transformers, split-core current transformers and related magnetic sensing components. These products are commonly selected based on current range, turns ratio, frequency range, isolation voltage, accuracy, burden resistance, mounting type, package style and application requirements.

TomatoElec supplies original Current Sense Transformers from recognized manufacturers such as Pulse Electronics, Bourns, Würth Elektronik, TDK, Murata, Triad Magnetics, Coilcraft, Hammond Manufacturing and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Frequency Range Type Current Rating (Amps) Inductance ET (Volt-Time) Turns Ratio - Primary:Secondary Current Ratio DC Resistance (DCR) Ratings Mounting Type Size / Dimension Height - Seated (Max) Termination Style
PMS6322.200NLT

PMS6322.200NLT

TRANSF CURRENT SENSE 1:200 50A

Pulse Electronics

74 -
RFQ
PMS6322.200NLT

Datasheet

PMS6322.XXXNLT Tape & Reel (TR) Active 20kHz ~ 1MHz Invasive 50 A 17.5 mH - 1:200 - 500µOhm Primary, 12Ohm Secondary (Max) - Surface Mount 0.122" L x 0.252" W (3.10mm x 6.40mm) 0.295" (7.50mm) Gull Wing
AS-404

AS-404

CURR SENSE XFMR 50A 1:100 VRT

Amgis, LLC

100 -
RFQ
AS-404

Datasheet

AS Bulk Active - - - - - - - - - - 1.280" L x 0.709" W (32.50mm x 18.00mm) 1.398" (35.50mm) -
7492552000

7492552000

CURRENT SENSE TRANSFORMER 187EI

Würth Elektronik

29 -
RFQ
7492552000

Datasheet

WE-CSTLF Tray Active 400Hz Invasive 45 A - - 1:2000 2000:1 - - Through Hole - 0.795" (20.20mm) PC Pin
7492551500

7492551500

CURRENT SENSE TRANSFORMER 187EI

Würth Elektronik

30 -
RFQ
7492551500

Datasheet

WE-CSTLF Tray Active 400Hz Invasive 45 A - - 1:1500 1500:1 - - Through Hole - 0.795" (20.20mm) PC Pin
7492551000

7492551000

CURRENT SENSE TRANSFORMER 187EI

Würth Elektronik

30 -
RFQ
7492551000

Datasheet

WE-CSTLF Tray Active 400Hz Invasive 45 A - - 1:1000 1000:1 - - Through Hole - 0.795" (20.20mm) PC Pin
7492553000

7492553000

CURRENT SENSE TRANSFORMER 187EI

Würth Elektronik

28 -
RFQ
7492553000

Datasheet

WE-CSTLF Tray Active 400Hz Invasive 45 A - - 1:3000 3000:1 - - Through Hole - 0.795" (20.20mm) PC Pin
7492552500

7492552500

CURRENT SENSE TRANSFORMER 187EI

Würth Elektronik

28 -
RFQ
7492552500

Datasheet

WE-CSTLF Tray Active 400Hz Invasive 45 A 1 H - 1:2500 2500:1 - - Through Hole - 0.795" (20.20mm) PC Pin
CT-1040

CT-1040

CURR SENSE XFMR 40A T/H

Amgis, LLC

34 -
RFQ
CT-1040

Datasheet

CT Tray Active 50/60Hz Non-Invasive (Solid Core) 40 A - - - 1000:1 49.3Ohm - Through Hole 1.374" L x 0.563" W (34.90mm x 14.30mm) 1.374" (34.90mm) PC Pin
TWCT-T-D55 300/5A VA 5 CL 1

TWCT-T-D55 300/5A VA 5 CL 1

TAPE WOUND CT WITH 300/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D55 300/5A VA 5 CL 1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 300:5 - - Free Hanging (In-Line) 3.937" L x 3.543" W (100.00mm x 90.00mm) 0.984" (25.00mm) Wire Leads
CT-1060

CT-1060

CURR SENSE XFMR 60A T/H

Amgis, LLC

37 -
RFQ
CT-1060

Datasheet

CT Tray Active 50/60Hz Non-Invasive (Solid Core) 60 A - - - 1000:1 24Ohm - Through Hole 1.500" L x 0.626" W (38.10mm x 15.90mm) 1.500" (38.10mm) PC Pin
SPCT 50/ 30 400/5A VA 5 CL 1-CU

SPCT 50/ 30 400/5A VA 5 CL 1-CU

BUS BAR CT WITH 400/5A

Selec Controls USA Inc.

20 -
RFQ
SPCT 50/ 30 400/5A VA 5 CL 1-CU

Datasheet

SPCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 400:5 - - DIN Rail, Panel 1.969" L x 1.693" W (50.00mm x 43.00mm) 2.953" (75.00mm) Terminal Block
TWCT-T-D55-250/5A-VA5-CL1

TWCT-T-D55-250/5A-VA5-CL1

TAPE WOUND CT WITH 250/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D55-250/5A-VA5-CL1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 250:5 - - Free Hanging (In-Line) 3.937" L x 3.543" W (100.00mm x 90.00mm) 0.984" (25.00mm) Wire Leads
TWCT-T-D65 600/5A VA 5 CL 1

TWCT-T-D65 600/5A VA 5 CL 1

TAPE WOUND CT WITH 600/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D65 600/5A VA 5 CL 1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 600:5 - - Free Hanging (In-Line) 4.134" L x 3.740" W (105.00mm x 95.00mm) 1.378" (35.00mm) Wire Leads
TWCT-T-D65 500/5A VA 5 CL 1

TWCT-T-D65 500/5A VA 5 CL 1

TAPE WOUND CT WITH 500/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D65 500/5A VA 5 CL 1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 500:5 - - Free Hanging (In-Line) 4.134" L x 3.740" W (105.00mm x 95.00mm) 1.378" (35.00mm) Wire Leads
TWCT-T-D55 400/5A VA 5 CL 1

TWCT-T-D55 400/5A VA 5 CL 1

TAPE WOUND CT WITH 400/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D55 400/5A VA 5 CL 1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 400:5 - - Free Hanging (In-Line) 3.937" L x 3.543" W (100.00mm x 90.00mm) 0.984" (25.00mm) Wire Leads
CRZ8410-1K4W

CRZ8410-1K4W

ZERO SEQUENCE CURRENTTRANSFORMER

CR Magnetics Inc.

7 -
RFQ
CRZ8410-1K4W

Datasheet

- Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - 1:1000:4 - 57Ohm Secondary - Free Hanging (In-Line) 1.083" L x 0.941" W (27.50mm x 23.90mm) 0.37" (9.39mm) Wire Leads
CT-1150

CT-1150

CURR SENSE XFMR 150A T/H

Amgis, LLC

25 -
RFQ
CT-1150

Datasheet

CT Tray Active 50/60Hz Non-Invasive (Solid Core) 150 A - - - 1000:1 11Ohm - Through Hole 2.189" L x 0.811" W (55.60mm x 20.60mm) 2.189" (55.60mm) PC Pin
CT-1200

CT-1200

CURR SENSE XFMR 200A T/H

Amgis, LLC

8 -
RFQ
CT-1200

Datasheet

CT Tray Active 50/60Hz Non-Invasive (Solid Core) 200 A - - - 1000:1 11Ohm - Through Hole 2.189" L x 0.811" W (55.60mm x 20.60mm) 2.189" (55.60mm) PC Pin
TWCT-T-D35 75/5A VA 5 CL 5

TWCT-T-D35 75/5A VA 5 CL 5

TAPE WOUND CT WITH 30/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D35 75/5A VA 5 CL 5

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 75:5 - - Free Hanging (In-Line) 3.150" L x 2.756" W (80.00mm x 70.00mm) 1.772" (45.00mm) Wire Leads
TWCT-T-D35 100/5A VA 5 CL 1

TWCT-T-D35 100/5A VA 5 CL 1

TAPE WOUND CT WITH 100/5A

Selec Controls USA Inc.

20 -
RFQ
TWCT-T-D35 100/5A VA 5 CL 1

Datasheet

TWCT Box Active 50Hz ~ 60Hz Non-Invasive (Solid Core) - - - - 100:5 - - Free Hanging (In-Line) 3.150" L x 2.756" W (80.00mm x 70.00mm) 1.772" (45.00mm) Wire Leads
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