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Dongguan Chipsen Electronics Technology Co., Ltd.

  • China,Dongguan ,Guangdong
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China Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power
China Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power

  1. China Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power
  2. China Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power
  3. China Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power
  4. China Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power

Epoxy Encapsulated CT103 Miniature Current Power Transformer For Power

  1. MOQ: 100pcs
  2. Price: US$0.3-1
  3. Get Latest Price
Customization OEM & ODM Available, MOQ 100 PCS
Application Energy Meter, PV Inverter, EV Charger, UPS, Motor Control
Mounting Type PCB Mount / Panel Mount, Lead Wire with Connector
Supply Ability 10,000,000pcs/month
Operating Frequency 50Hz / 60Hz
Delivery Time 3~4 Weeks
Operating Temperature -40°C ~ +85°C
Rated Input Current 5A / 10A / 20A, Customizable
Payment Terms T/T
Turns Ratio 1000:1 / 2000:1 / 2500:1, Customizable
Product Type Through-Hole Current Transformer / Current Sensor
Packaging Details Carton 1: 25.5 X 21.5 X 21cm. Carton 2: 43.5 x 24.5 x 21 cm
Accuracy Class 0.5 / 1.0
Housing Material Flame-Retardant Plastic, Epoxy Encapsulated
Certification ISO9001:2015, ISO14001:2015, IATF16949, UL/cUL, ROHS, REACH, CQC
Model Number CT103
Brand Name Chipsen
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Customization OEM & ODM Available, MOQ 100 PCS Application Energy Meter, PV Inverter, EV Charger, UPS, Motor Control
Mounting Type PCB Mount / Panel Mount, Lead Wire with Connector Supply Ability 10,000,000pcs/month
Operating Frequency 50Hz / 60Hz Delivery Time 3~4 Weeks
Operating Temperature -40°C ~ +85°C Rated Input Current 5A / 10A / 20A, Customizable
Payment Terms T/T Turns Ratio 1000:1 / 2000:1 / 2500:1, Customizable
Product Type Through-Hole Current Transformer / Current Sensor Packaging Details Carton 1: 25.5 X 21.5 X 21cm. Carton 2: 43.5 x 24.5 x 21 cm
Accuracy Class 0.5 / 1.0 Housing Material Flame-Retardant Plastic, Epoxy Encapsulated
Certification ISO9001:2015, ISO14001:2015, IATF16949, UL/cUL, ROHS, REACH, CQC Model Number CT103
Brand Name Chipsen Place of Origin China
High Light CT103 current power transformerMiniature current power transformerEpoxy Encapsulated electrical current transformer
Epoxy Encapsulated CT103 Miniature Current Transformer for Power Monitoring Metering
Product Overview

The CT103 is a miniature PCB-mount current transformer built on a toroidal core and fully encapsulated in black epoxy resin. Its D-shaped body with a central through-hole allows the primary conductor to pass directly through the window, while two straight solder pins provide a secure through-hole connection to the PCB. The sealed construction protects the winding against moisture, dust and mechanical stress, making the CT103 a compact and repeatable current-sensing solution for board-level metering and monitoring designs.

Key Features
  • High efficiency – toroidal core structure for effective magnetic coupling and low loss
  • Low noise – epoxy-encapsulated winding suppresses mechanical vibration and audible noise
  • Stable performance – sealed body keeps output consistent under humidity, dust and vibration
  • Durable & reliable – one-piece resin housing resists moisture ingress and mechanical shock
  • Space-saving PCB design – D-shaped footprint with two through-hole pins for direct board mounting
  • Open-window primary – the central aperture accepts a pass-through primary conductor, no primary winding required
Technical Specifications
Model Number CT103
Product Type Current Transformer / Current Sense Transformer
Core Type Toroidal ring core
Mounting Type PCB through-hole, 2 solder pins
Encapsulation Black epoxy resin, fully sealed
Rated Input Current 【待填写】 A
Turns Ratio 【待填写】
Sampling Resistance 【待填写】 Ω
Accuracy / Phase Error 【待填写】
Linearity Range 【待填写】
Operating Frequency 【待填写】 Hz
Dielectric Strength 【待填写】 VAC / 1 min
Operating Temperature 【待填写】 ℃
Dimensions (L×W×H) 【待填写】 mm
Aperture Diameter 【待填写】 mm
Certification 【待填写:仅填写已获证书,如 ISO 9001 / IATF 16949 / UL / VDE / CQC】

Custom electrical parameters are available on request. Please send us your rated current, turns ratio and output requirements, and our engineering team will match or develop a suitable version.

Typical Applications
  • Electric energy meters and smart metering modules
  • Power monitoring and load-current measurement boards
  • Overcurrent detection and protection circuits
  • Switching power supplies and inverter control boards
  • Industrial automation and instrumentation equipment

Please confirm the electrical rating of the CT103 against your circuit requirements before design-in.

Our Service
MOQ 100 PCS
Quotation Response Within 3 working days
Sample Production Within 7 working days
Warranty 5 years; 20 years for special industries
Customization OEM & ODM available
Production Mode MTO (Made to Order), monthly capacity 【待填写】 PCS
Trade Terms EXW / FOB / CIF
Packaging 【待填写:如 tray + anti-static bag + carton】
Need a custom current transformer?
Send us your rated current, turns ratio, output signal and PCB footprint. We reply with a quotation within 3 working days and deliver samples within 7 working days.
CT103 Miniature Current Transformer product image showing epoxy encapsulated design with PCB mounting pins

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2007

  • Total Annual:

    28820000-29820000

  • Employee Number:

    400~450

  • Ecer Certification:

    Verified Supplier

Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ... Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ...

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Get in touch with us

  • Reach Us
  • Dongguan Chipsen Electronics Technology Co., Ltd.
  • No. 234, Changhuang Road, Changping Town, 523586, Dongguan, Guangdong, China
  • https://www.chipsen.net/

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