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Custom EI33 Low Frequency PCB Mount Transformer Heavy Duty Pin Type Power
Place of Origin:
China
Brand Name:
CHIPSEN
Certification:
UL/cUL Class B/F/H, VDE, CQC
Model Number:
EI33
Minimum Order Quantity:
100PCS
Price:
$2 - 5/ Piece,1000-10000pcs
Packaging Details:
Small transformers: blister tray packaging + export cartons; Large transformers packed on wooden pallets. Custom packaging available upon request.
Delivery Time:
15-22 wark days
Payment Terms:
T/T
Supply Ability:
5000 pcs per day
Inquiry Now
Get A Quote
Specifications
Highlight Features
EI33 pcb mount transformer
,Low Frequency pcb mount transformer
,Pin Type pcb current transformer
Pin Pitch & PCB Footprint:
Pitch: 5.0mm / 7.5mm / Custom (DIP / Through-Hole Mount)
Working Frequency:
50Hz / 60Hz (50Hz - 400Hz Customizable)
Efficiency & No-load Loss:
Efficiency: ≥ 85% No-load Power: < 0.5W
Winding Structure & Shielding:
Split Bobbin / Faraday Shielding (Copper Foil Shield)
Bobbin Material & Flammability:
PBT / Phenolic (UL94 V-0 Rated)
Potting / Encapsulation Type:
Epoxy Resin Encapsulated / Open Framing / Vacuum Impregnated
Audible Noise Level:
< 30 DB @ 1m (Full Load)
Terminal Lead & Pin Finish:
Tinned Copper Pin (100% Matte Tin Plating, Solderable)
Product Description
Custom EI33 Low Frequency PCB Mount Transformer Heavy Duty Pin Type Power
Custom EI33 EI Series Laminated Core Power Transformer
Product Overview
The CHIPSEN EI33 Pin-Type Low Frequency Transformer delivers stable voltage transformation and reliable insulation for through-hole PCB assembly. Engineered with premium silicon steel laminations and durable copper windings, it ensures low power loss, low heat generation, and long-term operating efficiency.
| Specification Item | Standard Specifications | Industry / Application Needs |
| Model / Core Size | EI33 Pin-Type / DIP | Industrial controls, home appliances, audio equipment, power modules |
| Input Voltage (I/P) | 120V AC / 230V AC, 50/60Hz | North America (120V/60Hz), Europe/Asia (230V/50Hz), Global dual voltage (115V/230V) |
| Output Voltage (O/P) | Single / Dual outputs (e.g., 9V, 11.5V, 12V, 24V AC) | Small home appliance standby (9V-12V), Industrial relays (24V), Audio preamps (12V-0-12V) |
| Output Current / Power | 0.05A - 0.35A (approx. 1VA - 5VA) | Low-power standby control boards, meters, instrumentation |
| Pin Configuration | DIP / Through-Hole (e.g., Pin 2-6 Input, Pin 7-8 & 11-12 Output) | PCB layout compatibility for direct wave-soldering processes |
| Insulation Class | Class B (130°C) / Class F (155°C) | HVAC controllers, outdoor power equipment, high-temperature machinery |
| Dielectric Strength (Hi-Pot) | 3.75kV AC / 4.0kV AC (50Hz, 1 min) | High-safety medical devices, industrial automation, commercial appliances |
Product Features
- PCB Pin-Mounting Design: Sturdy pin structure for easy through-hole insertion and reliable automated soldering.
- Low Loss & Low Temperature Rise: High-grade magnetic core minimizes core loss and ensures efficient energy conversion.
- Safety Certified: Designed and manufactured to comply with international safety standards, featuring UL-recognized insulation class options (Class B/F/H).
- Multi-Output Capability: Configurable dual/multi-winding design to meet flexible circuit voltage requirements.
Product Applications
- Home Appliances: Washing machines, air conditioners, microwave control boards.
- Industrial & Power Supplies: Control boards, power distribution units, auxiliary transformers.
- Smart Security & Audio Systems: Fire alarm systems, intercoms, audio power amplifiers.
Our Advantages
Product Advantages
- Certified Quality: Certified to ISO9001, ISO14001, and IATF16949 standards. Products hold UL/cUL, VDE, CB, CQC, CE, RoHS, and REACH certifications.
- High Reliability: 100% full-parameter testing before shipment ensures consistent electrical performance and long service life.
- Customization Ready: Tailored voltage ratios, pinouts, and power ratings to match your exact PCB layout.
Company Advantages
- 3 Production Bases: Scale production across Dongguan, Nanchang, and Vietnam ensures cost-efficiency and supply chain flexibility.
- Proven Track Record: Over 15 years of industry experience with 30+ patents and robust automated production capabilities.
- Global Trust: Trusted supplier catering to clients across North America, the EU, Southeast Asia, and China.
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