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
  
                
749252070


7A 1:70 Current Sense Transformer 1MHz 3mOhm Primary, 4.6Ohm Secondary 400µH 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 1931
Ships to you
between Wed. 29 May to Fri. 31 May Calender.png

USD 4.7118
Multiples of: 1

 400 uH   Gull Wing    1 MHz 
749252050


7A 1:50 Current Sense Transformer 1MHz 3mOhm Primary, 2.5Ohm Secondary 205µH 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 1929
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USD 4.6725
Multiples of: 1

 205 uH   Gull Wing    1 MHz 
CT06-100


ICE Components 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 1912
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USD 2.4019
Multiples of: 1

Smd/Smt1.4 mH18 A1:1004.8 OhmsSmd/Smt6.7 mm6.5 mm5 mm - 
749252030


7A 1:30 Current Sense Transformer 1MHz 3mOhm Primary, 800mOhm Secondary 74µH 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 1911
Ships to you
between Wed. 29 May to Fri. 31 May Calender.png

USD 4.7118
Multiples of: 1

 74 uH   Gull Wing    1 MHz 
749252020


7 A 1:20 Current Sense Transformer 1MHz 3mOhm Primary, 350mOhm Secondary 33 µH 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 1872
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USD 4.6725
Multiples of: 1

            
749252100


7A 1:100 Current Sense Transformer 1MHz 3mOhm Primary, 9.5Ohm Secondary 820µH 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 1852
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between Thu. 23 May to Wed. 29 May Calender.png

USD 1.7768
Multiples of: 2000

 820 uH   Gull Wing    1 MHz 
ASM-020


Current transformer; Series: ASM; I AC:1÷20A; 50O; -40÷120°C; ±10%
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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.

Talema 1834
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USD 4.1546
Multiples of: 1

            
BV302S09015ZU


Transformer: encapsulated; 1.5VA; 230VAC; 9V; 167mA; 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 1818
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USD 1.8026
Multiples of: 1

            
PE-67200NL


Current Transformers THT Current Sense 80mH 200Ohms
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Pulse 1818
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USD 3.9244
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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Pulse 1811
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USD 1.1113
Multiples of: 1

            
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