Dongguan Chipsen Electronics Technology Co., Ltd.
| Weight | 50g |
| Output voltage | 12V / 24V |
| Delivery Time | 7-14 work days (Negotiable) |
| Number Of Pin | 16 pins |
| Payment Terms | T/T |
| Storage Temperature | -25℃to+85℃ |
| Supply Ability | 10000pcs |
| Power rating | 5VA / 10VA / 20VA |
| Coil Structure | Toroidal |
| Certification | UL/cUL Class B/F/H, VDE, CQC |
| Model Number | EI57 |
| Brand Name | CHIPSEN |
| Place of Origin | China |
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Product Specification
| Weight | 50g | Output voltage | 12V / 24V |
| Delivery Time | 7-14 work days (Negotiable) | Number Of Pin | 16 pins |
| Payment Terms | T/T | Storage Temperature | -25℃to+85℃ |
| Supply Ability | 10000pcs | Power rating | 5VA / 10VA / 20VA |
| Coil Structure | Toroidal | Certification | UL/cUL Class B/F/H, VDE, CQC |
| Model Number | EI57 | Brand Name | CHIPSEN |
| Place of Origin | China | ||
| High Light | EI57 control transformer ，Low Noise control transformer ，16 pins industrial control transformer | ||
The EI57 encapsulated low frequency power and control transformer features blade terminals and an integrated metal mounting bracket. This transformer provides voltage conversion and electrical isolation for industrial equipment operating from 50 Hz or 60 Hz AC supplies.
Note: The nameplate shown represents one customized electrical configuration. All numerical values are typical purchasing references rather than guaranteed ratings. Final specifications must be confirmed in the approved documentation.
| Industry and Application | Common Input Requirements | Common Output Requirements | Parameters Prioritized by Buyers | Chipsen Customization Support |
|---|---|---|---|---|
| HVAC Equipment | 120 V, 208 V, 220 V, 230 V, 240 V, 277 V, 380 V, 400 V, 415 V or 480 V AC | 12 V, 24 V, 48 V or customer specified AC output | VA rating, temperature rise, insulation class, mounting dimensions, continuous operation | Input taps, output voltage, VA rating, thermal protection, bracket, terminals, encapsulation |
| Industrial Control Panels | 110 V to 480 V AC at 50 Hz or 60 Hz | 12 V, 24 V, 36 V, 48 V, 110 V or 120 V AC | Regulation, isolation, dielectric strength, short circuit protection, terminal layout | Single or multiple primary windings, multiple secondary windings, terminals, mounting |
| Testing Instruments | 100 V, 115 V, 120 V, 220 V, 230 V or 240 V AC | 6 V to 48 V AC or application specific output | Low noise, voltage accuracy, leakage current, insulation, thermal stability | Electrostatic shielding, low noise winding, output tolerance, insulation system |
| Commercial Appliances | 110 V, 120 V, 220 V, 230 V or 240 V AC | 9 V, 12 V, 18 V, 24 V or 36 V AC | Compact dimensions, cost, temperature rise, terminal reliability, safety documentation | Dimensions, bracket, terminals, lead wires, fuses, thermal protectors |
| High Voltage Control Modules | 380 V, 400 V, 415 V, 440 V or 480 V AC | 12 V, 24 V, 48 V, 110 V or 120 V AC | Creepage clearance, insulation coordination, dielectric strength, temperature rise | High voltage winding, reinforced insulation, barriers, customized primary taps |
| Outdoor Electrical Control Devices | Region specific mains voltage | 12 V, 24 V or customer specified control voltage | Encapsulation, moisture resistance, corrosion resistance, operating temperature, reliability | Encapsulation material, bracket coating, terminals, environmental validation |
| Building Automation | 120 V, 208 V, 230 V, 240 V or 277 V AC | 12 V or 24 V AC | Continuous operation, efficiency, low audible noise, installation dimensions | Voltage configuration, mounting bracket, terminals, thermal protection |
| Security and Access Control | 110 V, 120 V, 220 V, 230 V or 240 V AC | 12 V, 16 V, 18 V or 24 V AC | Regulation, continuous current, temperature rise, compact installation | Output voltage, current capacity, fuse arrangement, terminal configuration |
| Medical and Laboratory Equipment | Region specific mains voltage | Application specified isolated AC output | Isolation, leakage current, thermal performance, noise, traceability | Application specific winding, insulation, shielding, testing, documentation |
| Renewable Energy Controllers | 110 V to 480 V auxiliary AC supply | 12 V, 24 V, 48 V or 110 V AC | Wide input options, insulation reliability, temperature rise, service life | Multiple voltage taps, reinforced insulation, protection devices, mounting |
| Machinery and Motor Control | 220 V, 230 V, 380 V, 400 V, 415 V, 440 V or 480 V AC | 24 V, 48 V, 110 V or 120 V AC | Inrush capability, regulation, insulation, thermal protection, vibration resistance | Primary taps, secondary voltage, VA capacity, bracket, terminal structure |
| Railway and Special Industrial Systems | Customer specified AC supply | Customer specified isolated output | Temperature range, vibration, insulation, fire performance, documentation | Special materials, validation plans, traceability, project specific testing |
| Parameter | Typical Inquiry Reference | Customization Status |
|---|---|---|
| Core Type | EI57 laminated silicon steel core | Customizable |
| Operating Frequency | 50 Hz, 60 Hz or 50 Hz and 60 Hz compatible | Customizable |
| Primary Voltage | 100 V to 480 V AC depending on insulation and winding design | Customizable |
| Secondary Voltage | 6 V to 120 V AC commonly requested | Customizable |
| Power Capacity | Approximately 10 VA to 50 VA depending on temperature rise and construction | Customizable |
| Primary Windings | Single input, dual input or multiple voltage taps | Customizable |
| Secondary Windings | Single, dual or multiple isolated outputs | Customizable |
| Voltage Regulation | Defined according to rated load and customer tolerance | Customer Specified |
| No Load Current | Controlled according to core material, voltage and frequency | Customer Specified |
| Efficiency | Optimized according to power rating, winding and temperature requirements | Customizable |
| Insulation Class | Class B, Class F or project specific system | Customizable |
| Dielectric Strength | Defined by working voltage, insulation system and safety standard | Customer Specified |
| Temperature Rise | Designed according to rated load, ambient temperature and enclosure conditions | Customer Specified |
| Operating Temperature | Standard industrial or extended temperature design | Customizable |
| Encapsulation | Partial or complete encapsulation using application appropriate compound | Customizable |
| Thermal Protection | Thermal fuse, thermostat or self resetting protector where required | Optional |
| Terminal Type | Blade terminal, PCB pin, lead wire, connector or terminal block | Customizable |
| Mounting Method | Integrated bracket, chassis mounting or customer specified fixture | Customizable |
| Electrostatic Shield | Available between primary and secondary windings | Optional |
| Dimensions | Based on EI57 platform and customer installation envelope | To Be Confirmed |
| Certification | Certification applicability must be confirmed for the exact part number | Project Dependent |
| Marking | Electrical data, logo, batch code and traceability information | Customizable |
| Packaging | Individual protection, tray, carton or customer specified packaging | Customizable |
| Construction Element | Description |
|---|---|
| Magnetic Core | EI57 laminated silicon steel core designed for 50 Hz and 60 Hz operation |
| Primary Winding | Copper winding configured for single voltage, dual voltage or multiple input taps |
| Secondary Winding | Single or multiple output windings developed according to voltage and current requirements |
| Bobbin | Insulating coil former selected according to temperature and insulation requirements |
| Insulation System | Interlayer insulation, barriers, sleeving, tape and margin control according to the approved design |
| Encapsulation | Insulating compound protects the winding assembly and improves environmental resistance |
| Terminals | Blade terminals, PCB pins, lead wires, connectors or customized terminals |
| Mounting Bracket | Integrated metal bracket for chassis or panel installation |
| Thermal Protection | Thermal fuse, thermostat or resettable protector available when required |
| Electrostatic Shield | Optional shield between windings for noise sensitive equipment |
| Identification Label | Customized voltage, power, wiring, batch and traceability information |
Chipsen establishes production and inspection plans according to approved electrical specifications, mechanical drawings, safety requirements and intended applications.
| Inspection Item | Inspection Purpose |
|---|---|
| Turns Ratio Test | Confirms the designed primary and secondary voltage relationship |
| No Load Voltage Test | Verifies output voltage without a connected load |
| Full Load Voltage Test | Confirms output voltage and regulation at rated load |
| No Load Current Test | Evaluates magnetic excitation and core assembly performance |
| Winding Resistance Test | Confirms winding consistency and conductor condition |
| Insulation Resistance Test | Evaluates insulation between windings, core, bracket and terminals |
| Dielectric Strength Test | Verifies the specified isolation withstand capability |
| Induced Voltage Test | Evaluates turn to turn and winding insulation integrity |
| Temperature Rise Test | Confirms thermal performance under defined load and ambient conditions |
| Power and Efficiency Test | Evaluates input loss and output performance |
| Polarity and Phase Test | Confirms winding orientation and multiwinding relationships |
| Audible Noise Inspection | Checks abnormal vibration or core noise |
| Terminal Strength Test | Evaluates the mechanical reliability of terminals |
| Dimension Inspection | Confirms compliance with the approved mechanical drawing |
| Encapsulation Inspection | Checks coverage, cracks, voids, contamination and surface condition |
| Thermal Protector Test | Verifies protection device operation where installed |
| Appearance Inspection | Confirms labeling, bracket assembly and workmanship |
| Packaging Inspection | Confirms quantity, protection, labels and shipping configuration |
Note: Automotive, medical, railway, outdoor and other special industrial applications require application specific validation. Test methods, acceptance limits and sampling plans must be confirmed in the approved quality agreement.
Company Details
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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