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High Precision Current Source Circuit

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Supplier sourcing insights & recommendations

QY Research
Precedence Research
22 来源

The market for high-precision current source circuits is witnessing robust growth, driven by advancements in AIoT, automotive electrification, and high-performance computing QyresearchJos. Key technological trends include a push toward sub-1-ppm/°C stability and the integration of digital control via 16-bit precision DACs to enhance system reliability in medical and scientific instrumentation AnalogAigtek.

I have identified over 20 verified B2B suppliers, primarily located in major electronics hubs like Guangdong and Jiangsu. These suppliers offer a range of products from charge-discharge modules to programmable DC power supplies with SCPI control for automated testing. Notable manufacturers include Guangzhou Idealplusing and Shaanxi Fullstar, both of which maintain strong quality control and international certifications like ISO 9001 and CE.

The detailed supplier list, including their main products, certifications, and export capabilities, is provided in the file below.

I have compiled the latest market trends and a shortlist of suppliers for you. You can continue by:

High Precision Current Source Circuit Manufacturer

Verified suppliers · 3 lists

Guangzhou Idealplusing Information Technology Co., Ltd.

Guangzhou Idealplusing Information Technology Co., Ltd.

VerifiedManufacturer· 10s yrs · Guangdong, CN🇨🇳
Matches
3/3

Top 10% for orders in Switching Power Supply

Comply with ISO standards

Provides e-commerce design services

4.9/5.0(60)
Rating
26%
Reorder
96.8%
On-time
≤2h
Reply
Main categories
Switching Power SupplyInverters & ConvertersVoltage Regulators/Stabilizers
Hot Sale 800W DC Adjustable Power Supply 0-200v 4a Precision Digital Programmable Power Supply for Lab Testing
High-Efficiency 12V 36V 60V 150V Modularized Programmable DC Power Supply - Semiconductor Test & PCB Aging Test with SiC Module
SCPI-Controlled Programmable DC Power Supply - Communication Equipment Test & Automated Test System with Energy Feedback
$300-360
MOQ : 1 unit
$280-340
MOQ : 1 unit
$540-600
MOQ : 1 unit
Contact
Shaanxi Fullstar Electronics Co., Ltd.

Shaanxi Fullstar Electronics Co., Ltd.

VerifiedManufacturer· 10s yrs · Shaanxi, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

Inspection of all products

4.9/5.0(35)
Rating
31%
Reorder
99.3%
On-time
≤1h
Reply
Main categories
Inductors, Coils
10A 200A 500A to 5000A CT016 CT024 Split Core Single Phase DC Current Transformer 1000/5 1:100/1:1000/1:1500/1:2000/1:3000/1:500
Hall current sensor 400A 500A 600A 800A 1000A 2000A / 4~20mA 5V 10V Split core CT transformer Hall Current Transducer
10A 100A 200A 400A 1000A 3000A 33.3mA 100mA 1A 5A Mini AC Current Sense Transformer Open Loop Clamp Sensor Split Core CT
$0.80-5
MOQ : 100 pieces
$1.20-2.30
MOQ : 1 piece
$1-10
MOQ : 30 pieces
Contact
Yueqing Elecpopular Import And Export Co., Ltd.

Yueqing Elecpopular Import And Export Co., Ltd.

VerifiedManufacturer· 2s yrs · Zhejiang, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

19 years of experience in exporting

4.8/5.0(18)
Rating
<15%
Reorder
96.2%
On-time
≤4h
Reply
Main categories
Automatic Transfer Switching（ATS）Miniature Circuit Breakers
High Quality Epepro Solar Panel Circuit Protection Waterproof Precise Current Voltage Monitoring Plastic DC1000V4-2 Solar
High Quality Construction Precise Current Voltage Management Easy Installation Dc 500v 6 in and 1 Out Combiner Box
High Breaking Capacity Precise Over Current Protection Copper 63a 80a 100a 125a Dc500v 63A Mccb Moulded Case Circuit Breaker
$91.20-101.40
MOQ : 2 pieces
$59.90-61.70
MOQ : 2 pieces
$8.60
MOQ : 5 pieces
Contact
Shaanxi Fullstar Power Co., Ltd.

Shaanxi Fullstar Power Co., Ltd.

VerifiedManufacturer· 5s yrs · Shaanxi, CN🇨🇳
Matches
3/3

Top 10% for buyers in Switching Power Supply - United States of America market

Provides e-commerce design services

Inspection of all products

4.9/5.0(33)
Rating
15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
Switching Power SupplyPower Adapters
0-12V/0-24V/0-36V/0-48V 2000W High-Precision Variable Adjustable Switching DC Power Supply For Laboratory
Micro Current Transformer 5A 10A 30A 50A 100A 150A 200A 250A PCB Mount Pin Mini Current Transformer Manufacture Price
High Precision 100A/10mA PCB Mounted Current Transformer AC Current Sensor Compliant
$74.50-100
MOQ : 1 piece
$0.20-1.35
MOQ : 100 pieces
$0.20-1.35
MOQ : 100 pieces
Contact
Acrel E-Business (shanghai) Co., Ltd.

Acrel E-Business (shanghai) Co., Ltd.

VerifiedManufacturer· 9s yrs · Shanghai, CN🇨🇳
Matches
3/3

Comply with ISO standards

Accepts over 8 secure payment methods

Dedicated R&D team with 144 engineers

4.9/5.0(25)
Rating
12%
Reorder
92.4%
On-time
≤3h
Reply
Main categories
Energy MetersCurrent SensorsTemperature Sensors
Acrel Single Phase Low Voltage Split Core Current Transformer AKH-0.66/K K-16 120A/40mA Class 0.5 Sensor for Solar Inverter
Acrel Smart MODBUS-RTU Power Quality Analyzer APM800 High Precision 3 Phase Panel Meter Input 333mV with Ethernet
Acrel Current Transducer BA10-AI/I 50A Input DC4-20mA/0-20mA Output DC12V 24V Power Supply Single Phase Class 0.5 Accuracy
$4.90
MOQ : 1 piece
$336.35
MOQ : 1 set
$24.50
MOQ : 1 piece
Contact
Mibo Electric Group Co., Ltd.

Mibo Electric Group Co., Ltd.

VerifiedManufacturer· 1 yrs · Zhejiang, CN🇨🇳
Matches
3/3

Annual export revenue: 550 thousand

Provides e-commerce design services

Inspection of all products

4.6/5.0(4)
Rating
<15%
Reorder
83.3%
On-time
≤1h
Reply
Main categories
Miniature Circuit BreakersElectronics & Instrument Enclosures
Voltage Monitor Cable Puncture Current Transformer Outdoor 100/5A 0.5S Nanocrystalline Split Core IP67 Waterproof Transformer
$9
MOQ : 5 pieces
Contact
Yueqing Xiqi Electrical Technology Co., Ltd.

Yueqing Xiqi Electrical Technology Co., Ltd.

VerifiedManufacturer· 8s yrs · Zhejiang, CN🇨🇳
Matches
3/3

Supports shipping to FBA warehouses

Provides e-commerce design services

100% quality control across all production lines

4.9/5.0(18)
Rating
12%
Reorder
100.0%
On-time
≤5h
Reply
Main categories
Temperature InstrumentsOther Resistors
PT100 PT1000 Programmable Transmitter K J to 4-20mA 0-5V TC RTD Input 0-10V Output With 485 Head-mounted Temp Transmitter
CG FL-2D 50A / 75mV Milliohm DIN Type Current DC Shunt Resistor For Ammeter Voltmeter
Programmable Thermocouple K J PT100 to 4-20mA Converter TC RTD Input 4-20mA Output Head-mounted Temperature Transmitter With USB
$4.30-6.80
MOQ : 10 pieces
$2.50-3
MOQ : 1 piece
$4-10
MOQ : 1 piece
Contact
Xi'an Mingxi Taida Information Technology Co., Ltd.

Xi'an Mingxi Taida Information Technology Co., Ltd.

VerifiedManufacturer· 3s yrs · Shaanxi, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

Inspection of all products

4.8/5.0(48)
Rating
<15%
Reorder
98.8%
On-time
≤1h
Reply
Main categories
Testing EquipmentOther Test InstrumentsOscilloscopes
Uni-T UTP1605S Digital Power Supply 60V 5A 300W High-Precision Adjustable Switching with 10mV/1mA Resolution
SPPS-C1203C Switching DC Power Supply 0-120V 0-3A 360W
Tonghui TH9320-S4 Hipot Electrical Testing AC DC
$109.52
MOQ : 1 set
$120.50
MOQ : 1 set
$1,483
MOQ : 1 set
Contact
Jiangyin Yucheng Electric Co., Ltd.

Jiangyin Yucheng Electric Co., Ltd.

VerifiedManufacturer· 2s yrs · Jiangsu, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Accepts over 8 secure payment methods

Inspection of all products

5.0/5.0(1)
Rating
<15%
Reorder
70.0%
On-time
≤2h
Reply
Main categories
Current SensorsEnergy MetersTemperature Sensors
YUCHENG YC05-1 AC Compact Single Phase Automation Plastic Space Saving Current 5A Output Rogowski Coil Integrator 35mm DIN Rail
Single-Phase Hall Effect RS485 Current Sensor with Flyback Topology 4-20mA/0-1v/0-5V/0-10v Output Aluminum Power Transformer
800A/5A Single-Phase 50/60Hz 380V Current Sensor CT Clamp 10mm-50mm Split Core Flyback Toroidal Power Transformer Aluminum
$149-159
MOQ : 1 unit
$12.13-19.12
MOQ : 1 piece
$3.48
MOQ : 5 pieces
Contact
Zhejiang Weihao Electronic Co., Ltd.

Zhejiang Weihao Electronic Co., Ltd.

VerifiedManufacturer· 17s yrs · Zhejiang, CN🇨🇳
Matches
3/3

Top 10% for orders in Switching Power Supply - United States of America market

Main category includes Power Supply

Meets FCC standards in United States of America

4.9/5.0(21)
Rating
<15%
Reorder
99.0%
On-time
≤4h
Reply
Main categories
Switching Power SupplyInverters & ConvertersLED Driver
Adjustable Voltage Current High Quality SE-1200 1200W 12V 24V 36V 48V 72V 96V 110V 150V 220V Ac to Dc Switching Power Supply
SE2000 24V Switching Power Supply 0-75A Adjustable Constant Voltage Current Digital Display Adjustable AC/DC High Power SMPS
LRS-100-48 100W 48V 2.3A 90% Efficiency SMPS 24V4.5A for LED Driver Switching Power Supply Industrial Automation Control
$68.57
MOQ : 1 piece
$109
MOQ : 1 piece
$5.97-6.95
MOQ : 1 piece
Contact
Shenzhen Xinyuanxin Electric Appliance Co., Ltd.

Shenzhen Xinyuanxin Electric Appliance Co., Ltd.

VerifiedManufacturer· 1 yrs · Guangdong, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

Inspection of all products

5.0/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
Power AdaptersSwitching Power Supply
High-Precision 20V 5A EU Plug Power Adapter European Standard AC DC Wall Supply for LED Strip Lighting Precision Circuit Source
150W Desktop Power Adapter AC DC Charger RoHS Certified High Efficiency Power Adaptor,Power Supply OEM ODM Manufacturer
Extreme-Duty 83.3V 12A 360W Switching Power Adapter Industrial AC DC LED Driver for CCTV Automation Control High Efficiency
$1.33
MOQ : 1 piece
$8
MOQ : 1 piece
$29.55
MOQ : 1 piece
Contact
Shenzhen Xinouhua Electronic Technology Co., Ltd.

Shenzhen Xinouhua Electronic Technology Co., Ltd.

VerifiedManufacturer· 5s yrs · Guangdong, CN🇨🇳
Matches
3/3

Top 20% for inquiries in Switching Power Supply - United States of America market

Accepts over 8 secure payment methods

Provides e-commerce design services

5.0/5.0(1)
Rating
<15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
Switching Power SupplyInverters & ConvertersOther Power Supplies
High Precision 2KVA Single Programmable AC Power Source Variable Frequency 50/60Hz LED Industry 3000W 2000W 220/380V Input 85%
120kVA Static Frequency Converter 50/60Hz 220V/380V Input Industry Use DIN Rail Mount
415V PWM IGBT Static Voltage Stabilizer 120KVA Single Industry LCD Display Contactless 220V AC SVC SBW 50Hz Switching Power
$730-860
MOQ : 5 pieces
$15,000-18,700
MOQ : 1 piece
$15,000-18,700
MOQ : 5 pieces
Contact
Wuhan Moen Intelligent Electric Co., Ltd.

Wuhan Moen Intelligent Electric Co., Ltd.

VerifiedManufacturer· 3s yrs · Hubei, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

Inspection of all products

2.5/5.0(2)
Rating
<15%
Reorder
100.0%
On-time
≤1h
Reply
Main categories
Testing EquipmentResistance MetersParameter Measuring Instruments
AC Residual Current Generator 10A 0.1% High Precision 3-Phase Programmable Current Source for Substation Power Plant CT Test
MOEORW High Precision AC DC Voltage Current Standard Source 0-1000V 0-30A Multimeter Calibrator With Standard Resistance Output
MOEORW High Precision AC/DC Voltage Current Standard Source 0-1000V 0-30A Multimeter Calibrator 0.05% Accuracy 1-Year Warranty
$2,000-2,900
MOQ : 1 set
$4,500-6,500
MOQ : 1 set
$4,500-6,500
MOQ : 1 set
Contact
Nanjing Kjt Electric Co., Ltd.

Nanjing Kjt Electric Co., Ltd.

VerifiedManufacturer· 4s yrs · Jiangsu, CN🇨🇳
Matches
3/3

Has served Fortune 500 clients

Provides e-commerce design services

15 years of experience in exporting

4.8/5.0(24)
Rating
<15%
Reorder
86.3%
On-time
≤4h
Reply
Main categories
Limit SwitchesProximity SensorsOptical Sensors
Industrial High-Precision Open-Loop Current Sensor 4-20mA/±4V Output - for Energy Storage & Grid Metering
$6.50-10
MOQ : 1 piece
Contact
Guangdong Yibenyuan Power Supply Equipment Co., Ltd.

Guangdong Yibenyuan Power Supply Equipment Co., Ltd.

VerifiedManufacturer· 8s yrs · Guangdong, CN🇨🇳
Matches
3/3

Top 20% for inquiries in Switching Power Supply - United States of America market

100% quality control across all production lines

Provides e-commerce design services

<15%
Reorder
100.0%
On-time
≤2h
Reply
US $11,000+
Transactions
Main categories
Switching Power SupplyIndustrial Power SuppliesVariable Frequency Drivers
High Precision 4000W AC-DC Power Supply 1000V 4A Adjustable Voltage & Current Source for Industry Use CE for
High-precision 1500W Adjustable 15V 65A/75A/100A Constant Voltage/Current Digitally Controlled Forced Cooling LCD Power Supply
$100-200
MOQ : 1 piece
$100-200
MOQ : 1 carton
Contact
Shanghai Pinyan M&C Technology Co., Ltd.

Shanghai Pinyan M&C Technology Co., Ltd.

VerifiedManufacturer· 14s yrs · Shanghai, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Comply with ISO standards

17 years of experience in industry

4.7/5.0(45)
Rating
26%
Reorder
87.5%
On-time
≤9h
Reply
Main categories
Energy MetersPower MetersCurrent Sensors
ST08 High Precision Compact Current Transformer 5A 0.1 Level Accuracy Measurement BNC Terminal Voltage Clamp Easy Operation
MEATROL MRC Current sensor Probe flexible rogowski current probe for oscilloscope
6000A AC Current Sensor NRC-200 Single Phase Toroidal Rogowski Coil Current Transformer
$20-30
MOQ : 1 piece
$6-8
MOQ : 1 piece
$22-30
MOQ : 1 piece
Contact
Hebei Huanhai Import & Export Trading Co., Ltd.

Hebei Huanhai Import & Export Trading Co., Ltd.

VerifiedManufacturer· 13s yrs · Hebei, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

18 years of experience in exporting

4.9/5.0(15)
Rating
11%
Reorder
98.2%
On-time
≤1h
Reply
Main categories
Testing EquipmentResistance MetersBattery Testers
HZ-5200 Intelligent Contact Resistance (Micro Ohm) Testing Equipment IEC Standard 100A/200A Loop Resistance Tester
Three Phase Harmonic Power Quality Analyser Electrical Network Analyzer With Current Transformer CT
$1,452
MOQ : 1 piece
$1,300-2,065
MOQ : 1 unit
Contact
Guangdong Ruisite Electric Co., Ltd.

Guangdong Ruisite Electric Co., Ltd.

VerifiedManufacturer· 1 yrs · Guangdong, CN🇨🇳
Matches
3/3

Accepts over 8 secure payment methods

29 years of experience in industry

Operates 7 self-owned production lines with certified equipments

5.0/5.0(9)
Rating
<15%
Reorder
90.0%
On-time
≤2h
Reply
Main categories
Other ResistorsTesting EquipmentResistance Boxes
Industrial Grade 1W-5W Current Sense Resistor with High Precision and Low Drift Ideal for Power Converter and UPS System
High Precision 1W-5W U-Shaped Current Sense Resistor for BMS Motor Drive Industrial Power Supply
Low Resistance 1W-5W High Precision U-Shaped Current Sense Resistor for Industrial Control and Power Management
$0.50
MOQ : 10000 pieces
$0.50
MOQ : 10000 pieces
$0.50
MOQ : 1000 pieces
Contact
Sichuan Pinnacle Electronic Technology Co., Ltd.

Sichuan Pinnacle Electronic Technology Co., Ltd.

VerifiedManufacturer· 2s yrs · Sichuan, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

Operates 7 self-owned production lines with certified equipments

≤13h
Reply
Main categories
AC DC Configurable Power SuppliesRF FiltersRF Amplifiers
5 Channels Output 30V 10A 407*253*174mm Adjustable Laboratory Precision Stabilized DC Power Supply AC DC Configurable
Lab Precision DC Power Supply Multi-Channel Output and Variable Adjustable with Multiple Interfaces AC DC Configurable
Multi-Function Lab Digital Adjustable Power Supply Regulated Constant Current DC Power Supply
$1,452-1,720
MOQ : 1 set
$1,380-1,529
MOQ : 1 set
$1,350-1,420
MOQ : 1 set
Contact
Jiangxi Sop Precision Intelligent Manufacturing Technology Co., Ltd.

Jiangxi Sop Precision Intelligent Manufacturing Technology Co., Ltd.

VerifiedManufacturer· 9s yrs · Jiangxi, CN🇨🇳
Matches
3/3

100% quality control across all production lines

Provides e-commerce design services

Inspection of all products

4.9/5.0(100)
Rating
35%
Reorder
94.9%
On-time
≤2h
Reply
Main categories
Force Sensors & Load CellsPosition Sensors, Angle, Linear Position MeasuringProximity Sensors
6000mm Current Output String Potentiometer Wire Rope Sensor for Packaging Machinery
SOP KTC CE 150mm 5K Ohm High Accuracy Transducer Resistive Displacement Rod Pull Potentiometer Resistance Linear Position Sensor
10000mm WPS Voltage Output String Potentiometer Wire Displacement Sensor for Position Location
$73-75
MOQ : 1 set
$18-22
MOQ : 1 piece
$142-145
MOQ : 1 set
Contact
Yueqing Leyu Electric Automation Co., Ltd.

Yueqing Leyu Electric Automation Co., Ltd.

VerifiedManufacturer· 19s yrs · Zhejiang, CN🇨🇳
Matches
2/3

Top 10% for inquiries in Switching Power Supply

Main category includes Din Rail Power Supply

Inspection of all products

4.8/5.0(8)
Rating
<15%
Reorder
100.0%
On-time
≤2h
Reply
Main categories
Switching Power SupplyInverters & ConvertersPush Button Switches
High Precision 1000W Adjustable Dc Power Supply 4 Digit Display Variable Switching Lab Bench Source Industrial Testing
SCN-1500 1500 Watt Switching Power Supply 2-5V Analog Control Adjustable 24V 48V DC Output Industrial LED Laser Use
WDR-60-24 24V 2.5A Wide Input DIN Rail Switching Power Supply 180-550VAC SMPS DC OK LEYU 89% Efficiency Heavy Industry EMC Wind
$125.54-138.46
MOQ : 1 piece
$181-207
MOQ : 1 piece
$25.29-31.20
MOQ : 1 piece
Contact
Shenzhen Creatall Electronics Co., Ltd.

Shenzhen Creatall Electronics Co., Ltd.

VerifiedManufacturer· 8s yrs · Guangdong, CN🇨🇳
Matches
2/3

100% quality control across all production lines

Provides e-commerce design services

Inspection of all products

4.7/5.0(148)
Rating
30%
Reorder
98.3%
On-time
≤5h
Reply
Main categories
Receivers & AmplifiersOther Electronic ComponentsOther PCB & PCBA
250W 10A DC LED Driver Power Supply Module Non-Isolated Constant Current Boost Converter for Mobile Devices Inverters Converters
CA-1235 Adjustable 3A DC-DC Converter Module Board Mount 5V-15V Step-Down Power Supply 3A DC-DC Converters
20A 300W DC-DC Buck Converter Module Board Mount LED Driver Power Step Down Voltage Constant Current for Lighting Applications
$1.32-1.87
MOQ : 100 pieces
$0.18-0.23
MOQ : 500 pieces
$2.30-2.95
MOQ : 40 pieces
Contact

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Sources & References

22 sources cited · Verified industry data & reports

Global and United States Integrated Precision Current ...

QY Research

In United States the Integrated Precision Current Source revenue is expected to grow from US$ million in 2023 to US$ million by 2030, at a CAGR of % during the ...

Current Sense Amplifier Market Size to Hit USD 3.62 Billion ...

Precedence Research

The global current sense amplifier market size accounted for USD 1.63 billion in 2025 and is predicted to increase from USD 1.76 billion in 2026

Precision Current Divider Market: Trends Across US, Japan ...

LinkedIn · InsightNexus Research Lab

The Precision Current Divider Market is projected to grow from USD 150 million in 2024 to 248.25 Million USD by 2033, registering a CAGR of 6.5 ...

Precision Current Sources and Sinks Using Voltage ...

Texas Instruments

Current sources and sinks are common circuits for many applications such as LED drivers and sensor biasing. Popular current references like the LM134 and REF200

Chip Resistor Market Report 2026: Must-Know Insights & ...

Strategic Market Research

Global Chip Resistor Market Was valued at USD 2.3 billion in 2025 and is projected to reach USD 3.2 billion by 2032, with a stated CAGR of 4.2% during 2026– ...

Emerging trends of precision analog circuits in ISSCC 2026

jos.ac.cn

Trend 2: Toward high-precision voltage/current reference. Voltage and current references (VCRs) serve as the fundamental anchors for almost ...