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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Image  Information Image Stock Code(▲▼)Description
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Global Stock ⓘ (▲▼)Price(USD) 

(Ex. GST)(▲▼)		Enter Qty Mounting StyleInductanceCurrent RatingTurns RatioSecondary ResistanceTermination StyleLengthWidthHeightFrequencyFrequency RangeQualification
  
                
PE-68280NLT


Current Transformers SMD Current Sense 14800uH .93Ohms
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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 : 744
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USD 1.8623

Multiples of: 1

Smd/Smt14.8 mH15 A1:1:100930 OhmsSmd/Smt14.61 mm12.57 mm7.11 mm 50 KHz to 500 KHz 
PA3206NL


Current Transformers 50/60Hz 85VAC-265VAC 40A Current Sensor
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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 : 737
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USD 3.9839

Multiples of: 20

            
PCS020-EE05081S


Current Transformers Current Sense transformer, 20A, EE5, 81uH
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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.

Bourns Availability : 733
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USD 2.6334

Multiples of: 1

SMD/SMT81 uH20 A1:200.4 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
BV EI 302 2989


Transformer: encapsulated; 1.5VA; 230VAC; 24V; 62mA; Mounting: PCB
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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.

Hahn Availability : 732
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USD 3.1164

Multiples of: 1

            
44159


Transformer: encapsulated; 2.3VA; 230VAC; 12V; 192mA; Mounting: PCB
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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.

Myrra Availability : 728
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USD 2.9106

Multiples of: 1

            
CSE5-100401


Current Transformers Sense/High Frequency 1140mohm DCR, 320uH
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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 : 727
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USD 2.2231

Multiples of: 1

Smd/smt320 uH10 A1:401.14 OhmsSmd/smt7.7 mm6.9 mm5.33 mm 250 KHz + 
B82801A1185A150


Current Transformers 1840uH 43.2V 2.5mOhm N1:N2=1:150
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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 : 723
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USD 1.8711

Multiples of: 1

Pcb Mount820 uH 1:15022.7 OhmsSmd/Smt4.85 mm3.5 mm3.5 mm 50 KHz to 1 MHz 
44122


Transformer: encapsulated; 2VA; 230VAC; 9V; 222mA; Mounting: PCB
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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.

Myrra Availability : 722
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 2.9106

Multiples of: 1

            
BV EI 304 2083


Transformer: encapsulated; 2.1VA; 230VAC; 15V; 140mA; Mounting: PCB
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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.

Hahn Availability : 720
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USD 3.3957

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 : 712
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USD 1.6362

Multiples of: 1

Smd/Smt220 uH40 A1:2002.9 OhmsSmd/Smt14.22 mm13.46 mm10 mm 50 KHz to 500 KHz 
PAS6322.050NLT


Current Transformers 1.1mH 3500V 50A DCR=.5mOhms T=1:50
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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 : 707
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USD 3.0145

Multiples of: 1

PCB Mount1.1 mH50 A1:50 SMD/SMT12.8 mm7 mm    
CT07-1000


Current Transformers Current Sense Transformer
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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.

ICE Availability : 704
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USD 4.5738

Multiples of: 1

Through Hole8 mH200 A1:100026 OhmsRadial26.6 mm23.3 mm12.7 mm40 Hz to 200 KHz47 Hz to 2.5 KHz 
BV302S12015ZU


Transformer: encapsulated; 1.5VA; 230VAC; 12V; 125mA; Mounting: PCB
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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.

Zettler Availability : 703
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USD 1.7325

Multiples of: 10

            
ACST-260


Current Transformer 1:50 0.34Ohm Prim. DCR 3500uH Prim. 35000mA Prim. 2Term. PC Pin Thru-Hole
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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.

Zettler Availability : 699
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USD 1.0031

Multiples of: 1

            
CPT502-3


DIP Current Sense Transformers ROHS
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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.

ZHT Availability : 698
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USD 0.6037

Multiples of: 1

            
CST306-3T


Current Transformers 55mH 25A SENSING CENTER TAPPED
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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 : 696
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USD 4.0078

Multiples of: 1

Through_Hole55 mH25 A200Ct3.75 OhmsRadial27.3 mm10.16 mm31.11 mm20 KHz to 200 KHz  
B82801B205A100


Current Transformer 1:100 500VAC 0.0008Ohm Prim. DCR 5.5Ohm Sec. DCR 20000mA 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 Availability : 694
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USD 1.4437

Multiples of: 1

Smd/Smt2000 uH20 A1:1005500 mOhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
B82801B305A125


Current Transformers 3000uH N1:N2=1:125 T3623 EE5 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.

TDK Availability : 681
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 1.6285

Multiples of: 1

Smd/Smt3000 uH20 A1:1256500 mOhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
TEZ6/D230/12V


Transformer: encapsulated; 6VA; 230VAC; 12V; 500mA; Mounting: PCB
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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.

Breve Tufvassons Availability : 680
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USD 6.1335

Multiples of: 1

            
PM2165.100NLT


Current Transformers 2mH 1000V AEC-Q200 20A DCR=0.75mOhms
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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 : 671
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USD 0.8281

Multiples of: 1

            
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