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
CR8420-1000

CR8420-1000

CURR SENSE XFMR 50A IN-LINE

CR Magnetics Inc.

214 -
RFQ
CR8420-1000

Datasheet

CR8400 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 50 A - - - 1000:1 22Ohm - Free Hanging (In-Line) 1.417" L x 1.181" W (36.00mm x 30.00mm) 0.362" (9.20mm) Wire Leads
CR8348-2500-N

CR8348-2500-N

CURR SENSE XFMR 40A T/H

CR Magnetics Inc.

3,795 -
RFQ
CR8348-2500-N

Datasheet

CR8300 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 40 A - - - 2500:1 134Ohm - Through Hole 0.925" L x 0.433" W (23.50mm x 11.00mm) 0.984" (25.00mm) PC Pin
CR8349-2500-N

CR8349-2500-N

CURR SENSE XFMR 75A T/H

CR Magnetics Inc.

1,105 -
RFQ
CR8349-2500-N

Datasheet

CR8300 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 75 A - - - 2500:1 190Ohm - Through Hole 1.024" L x 0.670" W (26.00mm x 17.00mm) 1.102" (28.00mm) PC Pin
CR8420-1000-G

CR8420-1000-G

CURR SENSE XFMR 20A IN-LINE

CR Magnetics Inc.

4,256 -
RFQ
CR8420-1000-G

Datasheet

CR8400 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 20 A - - - 1000:1 44Ohm - Free Hanging (In-Line) 1.417" L x 1.181" W (36.00mm x 30.00mm) 0.362" (9.20mm) Wire Leads
CR8450-1000

CR8450-1000

CURR SENSE XFMR 100A IN-LINE

CR Magnetics Inc.

5,729 -
RFQ
CR8450-1000

Datasheet

CR8400 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 100 A - - - 1000:1 21Ohm - Free Hanging (In-Line) 1.700" L x 1.450" W (43.18mm x 36.83mm) 0.550" (13.97mm) Wire Leads
CR8349-1000-N

CR8349-1000-N

CURR SENSE XFMR 50A T/H

CR Magnetics Inc.

570 -
RFQ
CR8349-1000-N

Datasheet

CR8300 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 50 A - - - 1000:1 32Ohm - Through Hole 1.024" L x 0.670" W (26.00mm x 17.00mm) 1.102" (28.00mm) PC Pin
CR2550-R

CR2550-R

CURR SENSE XFMR IN-LINE

CR Magnetics Inc.

186 -
RFQ
CR2550-R

Datasheet

CR2550 Bulk Active 50Hz ~ 400Hz Non-Invasive (Solid Core) - - - - - - - Free Hanging (In-Line) 1.094" L x 0.866" W (27.80mm x 22.00mm) - -
CR8350-2500-N

CR8350-2500-N

CURR SENSE XFMR 100A T/H

CR Magnetics Inc.

2,694 -
RFQ
CR8350-2500-N

Datasheet

CR8300 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 100 A - - - 2500:1 57Ohm - Through Hole 1.476" L x 0.551" W (37.50mm x 14.00mm) 1.535" (39.00mm) PC Pin
CR8459-2000-N

CR8459-2000-N

CURR SENSE XFMR 200A IN-LINE

CR Magnetics Inc.

852 -
RFQ
CR8459-2000-N

Datasheet

CR8400 Bulk Active 20Hz ~ 1kHz Non-Invasive (Solid Core) 200 A - - - 2000:1 74Ohm - Free Hanging (In-Line) 2.362" L x 1.890" W (60.00mm x 48.00mm) 0.689" (17.50mm) Wire Leads
TT 100-SD

TT 100-SD

CURR SENSE XFMR

LEM USA Inc.

243 -
RFQ
TT 100-SD

Datasheet

TT Bulk Not For New Designs 50/60Hz Non-Invasive (Split Core) - - - - - - - - 1.574" L x 1.122" W (40.50mm x 28.50mm) 2.047" (52.00mm) PC Pin
56200C

56200C

CURR SENSE XFMR 10A T/H

Murata Power Solutions Inc.

1,604 -
RFQ
56200C

Datasheet

5600 Tube Active 20kHz ~ 200kHz Non-Invasive (Solid Core) 10 A 72 mH - - 200:1 1.87mOhm Primary, 2.81mOhm Secondary - Through Hole 0.661" L x 0.350" W (16.79mm x 8.89mm) 0.795" (20.19mm) PC Pin
56050C

56050C

CURR SENSE XFMR 10A T/H

Murata Power Solutions Inc.

363 -
RFQ
56050C

Datasheet

5600 Tube Active 20kHz ~ 200kHz Non-Invasive (Solid Core) 10 A - - - 50:1 - - Through Hole 0.661" L x 0.350" W (16.79mm x 8.89mm) 0.795" (20.16mm) PC Pin
PM8208NL

PM8208NL

CURR SENSE XFMR 1:100 10A SMD

Pulse Electronics

1,990 -
RFQ
PM8208NL

Datasheet

PM820X Tray Active 50kHz ~ 1MHz Invasive 10 A 2 mH - 1:100 - 6mOhm Primary, 5.5Ohm Secondary Max AEC-Q200 Surface Mount - 0.217" (5.50mm) Gull Wing
53050C

53050C

CURR SENSE XFMR 1:50 10A SMD

Murata Power Solutions Inc.

1,748 -
RFQ
53050C

Datasheet

5300 Tape & Reel (TR) Active 50kHz ~ 500kHz Invasive - 500 µH - 1:50 - 7mOhm Primary, 1.75Ohm Secondary - Surface Mount 0.283" L x 0.327" W (7.20mm x 8.30mm) 0.213" (5.40mm) Gull Wing
53200C

53200C

CURR SENSE XFMR 1:200 10A SMD

Murata Power Solutions Inc.

1,145 -
RFQ
53200C

Datasheet

5300 Tape & Reel (TR) Active 50kHz ~ 500kHz Invasive - 8 mH - 1:200 - 7mOhm Primary, 34Ohm Secondary - Surface Mount 0.283" L x 0.327" W (7.20mm x 8.30mm) 0.213" (5.40mm) Gull Wing
PA1005.020QNLT

PA1005.020QNLT

CURR SENSE XFMR 1:20 20A SMD

Pulse Electronics

3,009 -
RFQ
PA1005.020QNLT

Datasheet

PA1005QNL Tape & Reel (TR) Active 50kHz ~ 1MHz Invasive 20 A 80 µH - 1:20 - 0.75mOhm Primary, 550mOhm Secondary Max AEC-Q200 Surface Mount 0.284" L x 0.330" W (7.21mm x 8.38mm) 0.217" (5.50mm) Gull Wing
749251100

749251100

CURR SENSE XFMR 1:100 10A SMD

Würth Elektronik

508 -
RFQ
749251100

Datasheet

WE-CST Tape & Reel (TR) Active - Invasive - 2 mH 50VµS 1:100 - 6mOhm Primary, 5.5Ohm Secondary - Surface Mount 0.303" L x 0.272" W (7.70mm x 6.90mm) 0.210" (5.33mm) Gull Wing
PA1005.100QNL

PA1005.100QNL

CURR SENSE XFMR 1:100 20A SMD

Pulse Electronics

1,985 -
RFQ
PA1005.100QNL

Datasheet

- Tray Active 50kHz ~ 1MHz Invasive 20 A 2 mH - 1:100 - 0.75mOhm Primary, 5.5Ohm Secondary AEC-Q200 Surface Mount 0.284" L x 0.330" W (7.21mm x 8.38mm) 0.217" (5.50mm) Gull Wing
PA1005.050NLT

PA1005.050NLT

CURR SENSE XFMR 1:50 20A SMD

Pulse Electronics

18,974 -
RFQ
PA1005.050NLT

Datasheet

PA1005.XXXNL Tape & Reel (TR) Active 50kHz ~ 1MHz Invasive 20 A 500 µH - 1:50 - 0.75mOhm Primary, 1.5Ohm Secondary - Surface Mount 0.284" L x 0.330" W (7.21mm x 8.38mm) 0.217" (5.50mm) Gull Wing
PA1005.100NL

PA1005.100NL

CURR SENSE XFMR 1:100 20A SMD

Pulse Electronics

941 -
RFQ
PA1005.100NL

Datasheet

- Tray Active 50kHz ~ 1MHz Invasive 20 A 2 mH - 1:100 - 0.75mOhm Primary, 5.5Ohm Secondary - Surface Mount 0.284" L x 0.330" W (7.21mm x 8.38mm) 0.217" (5.50mm) Gull Wing
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