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This PQ4040(6+6)(CJ300-11) high-frequency transformer is a high-power industrial magnetic component designed for wide application scenarios with a power range up to 600W. It adopts a PQ-type ferrite core with square bobbin, offering a compact and rational structure that reduces overall installation dimensions. It features low copper and iron losses, low temperature rise, excellent anti-interference performance, and a wide operating temperature range of -40°C to +125°C. It can be used as main power transformers, drive transformers, smoothing chokes and auxiliary power supplies, widely used in industrial switching power supplies, new energy systems, and high-reliability electronic equipment.
Wide power capability up to 600W, suitable for medium to high power applications
Low copper and iron loss design, minimal temperature rise in full-load long-term operation
Multi-functional design, can be used as main transformer, drive transformer, smoothing choke, etc.
Excellent anti-interference performance, helping system designs meet EMC requirements
Medium to high power industrial switching power supplies (200W–600W)
Industrial control power systems and automation equipment power supplies
High-power inverter and motor drive systems
UPS power transformers for industrial backup systems
New energy power conversion systems (charging, storage, DC-DC)
Energy storage system power modules
High-power LED industrial lighting drivers
Telecom and network equipment power modules (medium/high power)
Instrumentation and precision equipment power supplies
Factory automation high-power control systems
Technical Specifications

Structural Drawing

| Main Category | Subcategory | Details |
| MOQ | Prototyping & Small-batch | 10 piece minimum order |
| Sample Service | Free proofing & custom service, 5 free samples (shipping at buyer’s cost) | |
| Bulk Order | 5,000 pieces and above with bulk pricing | |
| Lead Time | All Standard Components | Shipped within 5–7 working days |
| Custom Inductance / Pin Design (Sample) | Sample order confirmed within 5–7 working days | |
| Custom Inductance / Pin Design (Mass Order) | Shipped within 15–30 working days | |
| Payment Terms | Main Payment Term | T/T in advance, L/C at sight |
| Procurement Standard | Complies with global enterprise procurement standard for passive components | |
| Quality Deposit | No quality security deposit required | |
| Accepted Terms | FOB Shanghai / Nanjing / Hong Kong, T/T Advance | |
| Quality Assurance | Manufacturing Defects | Free replacement for issues caused by manufacturing defects |
| Inspection Report | Batch inspection reports available as certification upon customer request | |
| Packaging Specifications | Updated Packaging (2026) | Blister tray packaging; Sealed Tape & Reel for SMD products |
| Optional Packaging | Vacuum sealed packaging for customers with strict moisture-proof requirements |