About Current Transformers

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
  
                
PE-67200NL


Current Transformers THT Current Sense 80mH 200Ohms
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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.

Pulse Availability : 1811
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USD 3.8037
Multiples of: 1

Through Hole80 mH38 A1:200200 OhmsRadial19.05 mm14.35 mm19.05 mm 10 KHz to 200 KHz 
PA1005.100QNL


Current Transformers CURRENT SENSE 1:100 AECQ SMD
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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.

Pulse Availability : 1790
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USD 1.0771
Multiples of: 1

            
PA1005.020QNLT


Current Transformers SMD Current Sense AEC-Q200 1:20 Xfmr
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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.

Pulse Availability : 1746
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USD 1.1023
Multiples of: 1

           Aec - Q200
FIS125NL


Pulse Current Transformers CUrrnt snse trnsfrmr
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Pulse Availability : 1736
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USD 1.9163
Multiples of: 10

Through Hole76 mH25 A1:2004.5 OhmsRadial15 mm12.5 mm12 mm500 KHz  
B82801A1185A150


Current Transformers 1840uH 43.2V 2.5mOhm N1:N2=1:150
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TDK Availability : 1709
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USD 2.5856
Multiples of: 1

Pcb Mount820 uH 1:15022.7 OhmsSmd/Smt4.85 mm3.5 mm3.5 mm 50 KHz to 1 MHz 
CST-1020


Current Transformers CURRENT SENSE TRANSFORMER, PRIMARY CURRENT: 20 AMPS
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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.

Triad Availability : 1704
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USD 4.5402
Multiples of: 1

Through_Hole    Radial23.5 mm12 mm24.8 mm   
749252150


7 A 1:150 Current Sense Transformer 1MHz 3mOhm Primary, 21Ohm Secondary 1.8 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.

Wurth Availability : 1699
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USD 4.6725
Multiples of: 1

            
B82801C2245A200


Current Transformers 22.4mH TR 1:200 DCR 0.28 / 2900mohm
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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 Availability : 1695
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USD 2.0182
Multiples of: 1

Smd/Smt220 uH40 A1:2002.9 OhmsSmd/Smt14.22 mm13.46 mm10 mm 50 KHz to 500 KHz 
T60404-E4624-X501


Current Transformers Current Transformer 60A 1:2500 3.0Henry
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Vacuumschmelze Availability : 1679
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USD 5.5907
Multiples of: 1

Through Hole3 H60 A1:250055 OhmsRadial31 mm14 mm31.5 mm 50 Hz 
56050C


Current Transformers 50 turns 10A 5-9.3mH @1V 50kHz
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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.

Murata Availability : 1418
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USD 1.6663
Multiples of: 1

Through Hole4.5 mH10 A50199 mOhmsRadial16.79 mm8.89 mm20.19 mm20 KHz to 200 KHz20 KHz to 200 KHz 
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