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

(Ex. GST)(▲▼)
Enter Qty Mounting StyleInductanceCurrent RatingTurns RatioSecondary ResistanceTermination StyleLengthWidthHeightFrequencyFrequency RangeQualification
  
                
44021


Transformer: encapsulated; 0.6VA; 230VAC; 12V; 12V; 25mA; 25mA
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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 : 0
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USD 1.4933

Multiples of: 25

            
HCT2018-LF


- Current 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.

Hop Tech Availability : 0
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USD 1.5028

Multiples of: 1

  1 A       0.02kHz ~ 2kHz 
CT04-070


Current Transformers SMT Current Sense Xfmr 20A, 1:70
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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 : 0
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USD 1.5056

Multiples of: 1200

Smd/Smt690 uH20 A1:701.7 OhmsSmd/Smt8.13 mm6.9 mm4.1 mm 1 MHz 
V50114


Transformer: impulse; power supply; 12V; 3.3V; 21.5x18x13.8mm; 7W
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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 : 0
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USD 1.5066

Multiples of: 1

            
74001


Transformer: impulse; 85/265VAC; 3÷6V; 1.2A; Mounting: PCB; 6W
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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 : 0
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USD 1.5112

Multiples of: 1

  1.2 A         
V50115


Transformer: impulse; power supply; 24V; 3.3V; 21.5x18x13.8mm; 7W
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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 : 0
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USD 1.5385

Multiples of: 1

            
PA1005.125NL


Current Transformer 1:125 500Vrms 0.00075Ohm Prim. DCR 6.5Ohm Sec. DCR 20000mA Prim. 6Term. Gull Wing 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 : 0
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USD 1.5424

Multiples of: 1

Surface Mount3000 uH 1  7.21 mm 5.5 mm   
B82801B184A30


EPCOS TDK Current Transformers 180uH N1:N2=1:30 T3618 EE5
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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 : 0
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USD 1.5604

Multiples of: 1

Smd/Smt180 uH20 A1:30870 mOhmsSmd/Smt7.11 mm7.11 mm5.08 mm50 KHz to 1 MHz50 KHz to 1 MHz 
ZHTM205


Plugin 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 : 0
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USD 1.5616

Multiples of: 1

            
CST2020-100L


Current Transformers 40A 7.07Mh 2.5ohms AEC-Q200
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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.

Coilcraft Availability : 0
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USD 1.5876

Multiples of: 1

            
P8208NL


Current Transformers SMD Current Sense 2000uH 5.5Ohms
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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 : 0
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USD 1.6008

Multiples of: 1

     Smd/Smt8.38 mm7.21 mm4.83 mm 50 KHz To 1 MHz 
ZHTM101F


Current Transformer Plugin 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 : 0
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USD 1.6161

Multiples of: 1

            
V50116


Transformer: impulse; power supply; 12V; 5V; 21.5x18x13.8mm; 7W
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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 : 0
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USD 1.6311

Multiples of: 1

            
BV EI 302 3562


Transformer: encapsulated; 1.8VA; 230VAC; 7.5V; 7.5V; 120mA; 120mA
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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 : 0
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USD 1.632

Multiples of: 50

            
V50216


Transformer: impulse; power supply; 12V; 5V; 21.7x22.5x17.1mm; 16W
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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 : 0
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USD 1.6413

Multiples of: 1

            
PE-68383NL


Current Transformer 1:1:200 500Vrms 0.001Ohm Prim. DCR 3.9Ohm Sec. DCR 15000mA Prim. 6Term. 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 : 0
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USD 1.6553

Multiples of: 1

            
HM31-10050LF


Transformers Audio & Signal 5mH
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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.

TT Electronics Availability : 0
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USD 1.6598

Multiples of: 5040

Through Hole 5 A 0.7 OhmsRadial23 mm15 mm20 mm 10 KHz To 100 MHz 
HCT415L-1KZ-L


Plugin,29x11.5mm Current 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.

Hop Tech Availability : 0
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USD 1.6611

Multiples of: 1

            
HCT415L-2KZ-L


Plugin,29x11.5mm Current 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.

Hop Tech Availability : 0
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USD 1.6611

Multiples of: 1

            
CST7030-100LB


Current Transformers CST7030 1:100 20A 1.33mH AEC-Q200
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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.

Coilcraft Availability : 0
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USD 1.6632

Multiples of: 1

Smd/Smt1.33 mH20 A1:10010.68 OhmsSmd/Smt7 mm5.2 mm3 mm 16 KHz to 1000 KHzAec - Q200
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