What are Current Sense Transformers ?
Current Sense Transformers are devices designed to measure the current flowing through a conductor while providing electrical isolation. They are commonly used in applications like production electronics assembly and maintenance. Important specifications include Current Rating (Amps), which determines the maximum current the transformer can handle; Current Ratio, which affects the output signal relative to the input current; and DC Resistance (DCR), which impacts efficiency and heat generation. Ensuring compatibility with existing designs and validating lifecycle status are crucial for procurement teams.
Parts in this category
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| Part & Mfr | Current Rating (Amps) | Current Ratio | DC Resistance (DCR) | ET (Volt | Frequency Range | Height | Inductance | Mounting Type | Size | Termination Style | Turns Ratio | Type | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Talema
|
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100 A | - | - | - | 50Hz ~ 60Hz | 1.374" (34.90mm) | - | Through Hole | 1.374" L x 0.563" W (34.90mm x 14.30mm) | PC Pin | 2500:1 | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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5 A | 1000:1 | 40Ohm | - | 50/60Hz | 0.976" (24.80mm) | - | Through Hole | 0.925" L x 0.472" W (23.50mm x 12.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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10 A | 1000:1 | 40Ohm | - | 50/60Hz | 0.976" (24.80mm) | - | Through Hole | 0.925" L x 0.472" W (23.50mm x 12.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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15 A | 1000:1 | 40Ohm | - | 50/60Hz | 0.976" (24.80mm) | - | Through Hole | 0.925" L x 0.472" W (23.50mm x 12.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Talema
|
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40 A | - | 35Ohm Primary | - | 50Hz ~ 60Hz | 0.453" (11.50mm) | - | Surface Mount | 0.748" Dia (19.00mm) | Wire Leads | 750:1 | Non-Invasive (Solid Core) | |
|
Talema
|
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150 A | - | - | - | 50Hz ~ 60Hz | 1.500" (38.10mm) | - | Through Hole | 1.500" L x 0.626" W (38.10mm x 15.90mm) | PC Pin | 2500:1 | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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25 A | 1000:1 | 46Ohm | - | 50/60Hz | 1.189" (30.20mm) | - | Through Hole | 1.189" L x 0.563" W (30.20mm x 14.30mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Triad Magnetics
|
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30 A | 1000:1 | 46Ohm | - | 50/60Hz | 1.189" (30.20mm) | - | Through Hole | 1.189" L x 0.563" W (30.20mm x 14.30mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Amgis, LLC
|
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40 A | 1000:1 | 49.3Ohm | - | 50/60Hz | 1.374" (34.90mm) | - | Through Hole | 1.374" L x 0.563" W (34.90mm x 14.30mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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Amgis, LLC
|
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- | - | - | - | - | 1.378" (35.00mm) | - | - | 1.260" L x 0.807" W (32.00mm x 20.50mm) | - | - | - | |
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Amgis, LLC
|
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- | - | - | - | - | 1.378" (35.00mm) | - | - | 1.260" L x 0.807" W (32.00mm x 20.50mm) | - | - | - | |
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Amgis, LLC
|
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- | - | - | - | - | 1.378" (35.00mm) | - | - | 1.260" L x 0.807" W (32.00mm x 20.50mm) | - | - | - | |
|
Triad Magnetics
|
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15 A | 1000:1 | 40Ohm | - | 50/60Hz | 0.976" (24.80mm) | - | Through Hole | 0.925" L x 0.472" W (23.50mm x 12.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Triad Magnetics
|
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20 A | 1000:1 | 40Ohm | - | 50/60Hz | 0.976" (24.80mm) | - | Through Hole | 0.925" L x 0.472" W (23.50mm x 12.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Amgis, LLC
|
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60 A | 1000:1 | 24Ohm | - | 50/60Hz | 1.500" (38.10mm) | - | Through Hole | 1.500" L x 0.626" W (38.10mm x 15.90mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Amgis, LLC
|
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75 A | 1000:1 | 24Ohm | - | 50/60Hz | 1.500" (38.10mm) | - | Through Hole | 1.500" L x 0.626" W (38.10mm x 15.90mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
Triad Magnetics
|
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80 A | 200:1 | 3.5Ohm Max | 4000VµS | 20kHz ~ 200kHz | 1.225" (31.12mm) | 56 mH | Through Hole | 1.075" L x 0.400" W (27.31mm x 10.16mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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50 A | 2000:1 | 90Ohm | - | 20Hz ~ 200kHz | 0.435" (11.05mm) | - | Free Hanging (In-Line) | 1.160" L x 0.922" W (29.46mm x 23.42mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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SparkFun Electronics
|
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30 A | 30:15 | 250mOhm Max | - | 50Hz ~ 60Hz | 1.575" (40.00mm) | - | Free Hanging (In-Line) | 1.024" L x 1.004" W (26.00mm x 25.50mm) | Wire Leads with Connector | 1:2000 | Non-Invasive (Split Core) | |
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CR Magnetics Inc.
|
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50 A | 2000:1 | 106Ohm | - | 20Hz ~ 1kHz | 0.435" (11.05mm) | - | Free Hanging (In-Line) | 1.160" L x 0.922" W (29.46mm x 23.42mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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75 A | 2000:1 | 109Ohm | - | 20Hz ~ 200kHz | 1.102" (28.00mm) | - | Through Hole | 1.024" L x 0.670" W (26.00mm x 17.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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75 A | 2000:1 | 109Ohm | - | 20Hz ~ 200kHz | 0.669" (17.00mm) | - | Free Hanging (In-Line) | 1.252" L x 1.024" W (31.80mm x 26.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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50 A | 1000:1 | 35Ohm | - | 20Hz ~ 1kHz | 0.669" (17.00mm) | - | Free Hanging (In-Line) | 1.252" L x 1.024" W (31.80mm x 26.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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7 A | 1000:1 | 38Ohm | - | 20Hz ~ 1kHz | 0.323" (8.20mm) | - | Free Hanging (In-Line) | 1.094" L x 0.866" W (27.80mm x 22.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Amgis, LLC
|
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150 A | 1000:1 | 11Ohm | - | 50/60Hz | 2.189" (55.60mm) | - | Through Hole | 2.189" L x 0.811" W (55.60mm x 20.60mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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75 A | 2000:1 | 150Ohm | - | 20Hz ~ 1kHz | 0.669" (17.00mm) | - | Free Hanging (In-Line) | 1.252" L x 1.024" W (31.80mm x 26.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
|
Amgis, LLC
|
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Price on request
Price and Stock
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200 A | 1000:1 | 11Ohm | - | 50/60Hz | 2.189" (55.60mm) | - | Through Hole | 2.189" L x 0.811" W (55.60mm x 20.60mm) | PC Pin | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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Price on request
Price and Stock
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50 A | 1000:1 | 35Ohm | - | 20Hz ~ 1kHz | 1.102" (28.00mm) | - | Through Hole | 1.024" L x 0.670" W (26.00mm x 17.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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50 A | 2500:1 | 187Ohm | - | 20Hz ~ 1kHz | 0.669" (17.00mm) | - | Free Hanging (In-Line) | 1.252" L x 1.024" W (31.80mm x 26.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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100 A | 2000:1 | 73Ohm | - | 20Hz ~ 200kHz | 1.535" (39.00mm) | - | Through Hole | 1.476" L x 0.551" W (37.50mm x 14.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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100 A | 1000:1 | 22Ohm | - | 20Hz ~ 200kHz | 1.535" (39.00mm) | - | Through Hole | 1.476" L x 0.551" W (37.50mm x 14.00mm) | PC Pin | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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100 A | 2000:1 | 63Ohm | - | 20Hz ~ 200kHz | 0.550" (13.97mm) | - | Free Hanging (In-Line) | 1.700" L x 1.450" W (43.18mm x 36.83mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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200 A | 2000:1 | 73Ohm | - | 20Hz ~ 1kHz | 0.550" (13.97mm) | - | Free Hanging (In-Line) | 1.700" L x 1.450" W (43.18mm x 36.83mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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- | - | - | - | 20Hz ~ 1kHz | 0.362" (9.20mm) | - | Free Hanging (In-Line) | 1.417" L x 1.181" W (36.00mm x 30.00mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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- | - | - | - | 50Hz ~ 1kHz | 1.039" (26.40mm) | - | Panel Mount | 0.949" L x 0.461" W (24.10mm x 11.70mm) | - | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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Price on request
Price and Stock
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- | - | - | - | 50Hz ~ 400Hz | - | - | Free Hanging (In-Line) | 1.094" L x 0.866" W (27.80mm x 22.00mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
Send RFQ |
Price on request
Price and Stock
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- | - | - | - | 50Hz ~ 400Hz | - | - | Free Hanging (In-Line) | 1.094" L x 0.866" W (27.80mm x 22.00mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
Send RFQ |
Price on request
Price and Stock
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- | - | - | - | 50Hz ~ 400Hz | - | - | Free Hanging (In-Line) | 1.094" L x 0.866" W (27.80mm x 22.00mm) | - | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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200 A | 200:5 | - | - | 50Hz ~ 400Hz | 2.681" (68.10mm) | - | Chassis Mount | 2.681" L x 2.000" W (68.10mm x 44.50mm) | - | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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200 A | 200:5 | - | - | 50Hz ~ 400Hz | 1.051" (26.70mm) | - | - | 2.461" Dia (62.50mm) | - | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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100 A | 100:5 | - | - | 50Hz ~ 400Hz | 1.051" (26.70mm) | - | - | 2.461" Dia (62.50mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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150 A | 150:5 | - | - | 50Hz ~ 400Hz | 1.051" (26.70mm) | - | - | 2.461" Dia (62.50mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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50 A | 50:5 | - | - | 50Hz ~ 400Hz | 1.051" (26.70mm) | - | Chassis Mount | 2.461" Dia (62.50mm) | Wire Leads | - | Non-Invasive (Solid Core) | |
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CR Magnetics Inc.
|
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300 A | 300:5 | - | - | 50Hz ~ 400Hz | 1.051" (26.70mm) | - | - | 2.461" Dia (62.50mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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80 A | 80:5 | - | - | 50Hz ~ 400Hz | 1.051" (26.70mm) | - | - | 2.461" Dia (62.50mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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Price on request
Price and Stock
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50 A | 50:5 | - | - | 50Hz ~ 400Hz | 2.681" (68.10mm) | - | Chassis Mount | 2.681" L x 2.000" W (68.10mm x 44.50mm) | - | - | Non-Invasive (Solid Core) | |
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TDK Corporation
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
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CR Magnetics Inc.
|
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Price on request
Price and Stock
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150 A | 150:5 | - | - | 50Hz ~ 400Hz | 2.681" (68.10mm) | - | Chassis Mount | 2.681" L x 2.000" W (68.10mm x 44.50mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
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Price on request
Price and Stock
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80 A | 80:5 | - | - | 50Hz ~ 400Hz | 2.681" (68.10mm) | - | Chassis Mount | 2.681" L x 2.000" W (68.10mm x 44.50mm) | - | - | Non-Invasive (Solid Core) | |
|
CR Magnetics Inc.
|
Send RFQ |
Price on request
Price and Stock
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300 A | 300:5 | - | - | 50Hz ~ 400Hz | 2.681" (68.10mm) | - | Chassis Mount | 2.681" L x 2.000" W (68.10mm x 44.50mm) | - | - | Non-Invasive (Solid Core) |
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