About Current Transformers

Tdk Current Transformers

A Current Transformer (CT) is a device designed to reduce an alternating current (AC) to a much lower, safer level. It is usually found in electric power systems for metering and/or protective relaying purposes. They are used to measure the level of current flowing through circuits and in most cases are connected to a meter or other monitoring device. The current transformer uses the concepts of electrical transformer to transform current levels between the primary (higher current) and secondary (lower current) windings. A typical current transformer is a wire wound toroidal core transformer, with a single primary winding, connected in series with the load, and a multiple secondary windings designed to provide an output current proportional to the current flowing through the primary.

Current Transformers

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(Ex. GST)(▲▼)		Enter Qty Mounting StyleInductanceCurrent RatingTurns RatioSecondary ResistanceTermination StyleLengthWidthHeightFrequencyFrequency RangeQualification
  
                
B82801B0925A200


20 A 1:200 Current Sense Transformer 50kHz ~ 1MHz 0.6mOhm Primary, 33.24Ohm Secondary 8 mH Surface Mount
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK 4569
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USD 1.1179
Multiples of: 900

            
B82801B504A50


EPCOS TDK Current Transformers 500uH N1:N2=1:50 T3620 EE5
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TDK 4220
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USD 1.7809
Multiples of: 1

Smd/Smt500 uH20 A1:501.5 OhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
B82801A1743A030


Current Transformers 74uH 8.6V 2.5mOhms N1:N2=1:30
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TDK 3492
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USD 2.0664
Multiples of: 1

            
B82801B205A100


Current Transformer 1:100 500VAC 0.0008Ohm Prim. DCR 5.5Ohm Sec. DCR 20000mA Surface Mount
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TDK 2678
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USD 1.6792
Multiples of: 1

Smd/Smt2000 uH20 A1:1005500 mOhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
B78417A2185A003


Current Transformers EP7 T7078 Current Sense AEC-Q200
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TDK 2240
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USD 5.5082
Multiples of: 1

 7 mH  5 OhmsSmd/Smt11 mm10.6 mm9.7 mm 50 KHz to 250 KHzAec - Q200
B82801A1185A150


Current Transformers 1840uH 43.2V 2.5mOhm N1:N2=1:150
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TDK 1709
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USD 2.5061
Multiples of: 1

Pcb Mount820 uH 1:15022.7 OhmsSmd/Smt4.85 mm3.5 mm3.5 mm 50 KHz to 1 MHz 
B82801B324A40


Current Transformers 320uH N1:N2=1:40 T3619 EE5 SMD
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TDK 1589
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USD 1.6506
Multiples of: 1

Smd/Smt320 uH20 A1:401140 mOhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
B82801B984A70


EPCOS TDK Current Transformers 980uH N1:N2=1:70 T3622 EE5
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TDK 1519
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USD 1.9209
Multiples of: 1

Smd/Smt980 uH20 A1:703 OhmsSmd/Smt7.11 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
B82801B724A60


Current Transformers 720uH N1:N2=1:60 T3621 EE5 SMD
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TDK 1505
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USD 1.7514
Multiples of: 1

Smd/Smt720 uH20 A1:601980 mOhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
B82801B0205A100


Current Transformers 2000uH N1:N2=1:100 T2888 EE5 SMD
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TDK 0
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USD 3.1256
Multiples of: 1

 2 mH 1        
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