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Add : Room 701, Building A1, No. 55 Runfa Road, Jiangning District, Nanjing, China
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The 1209 Push-Pull Transformer is designed for high-frequency DC-DC converter systems and compact switching power applications requiring efficient power transfer, stable electrical performance, and reliable isolation capability.
Utilizing a compact ferrite magnetic structure, the transformer supports optimized push-pull topology operation with balanced magnetic flux characteristics and efficient energy conversion performance.
Its compact platform enables efficient PCB integration for modern electronic systems where space utilization, thermal stability, and continuous switching reliability are essential.
Customized turns ratios, winding configurations, insulation specifications, and output parameters are available according to customer application requirements.
Designed for push-pull converter topology
Stable high-frequency switching performance
Efficient magnetic energy transfer
Reliable isolated power conversion
Compact PCB integration structure
Balanced magnetic flux characteristics
Suitable for compact SMPS systems
Flexible customization support
DC-DC Converter Modules
Push-Pull Switching Power Supplies
Embedded Power Systems
Industrial Electronic Equipment
Communication Devices
Consumer Electronic Products
Compact Power Management Systems
Physical Propertie
| Order Code | VIN | Vout1 (V(DC)) | lout1 (mA) | Type of Insulation | fswitch (kHz) | ∫Udt (μVs) | NPRI:NSEC | L(μH) | VT (V(AC)) |
| INF-1209-340μH | 5V(DC) | 5 | 08 | Reinforced | 300-620 | 10 | 1;1.1 | 340 | 5000 |
| INF-1209340μH | 5V(DC) | 5 | 0.65 | Reinforced | 300-620 | 10 | 1:1.3 | 340 | 5000 |
| INF-1209-340μH | 3.3V(DC) | 5 | 0.6 | Reinforced | 250-550 | 10 | 1:1.7 | 340 | 5000 |
| INF-1209-340μH | 3.3V(DC) | 5 | 0.5 | Reinforced | 250-550 | 10 | 12 | 340 | 5000 |
| INF-1209-384μH | 5V(DC) | 5.8 | 0.9 | Reinforced | 350-550 | 8.8 | 1:1.1 | 384 | 5000 |
| INF-1209-384μH | 3.3V(DC) | 5.4 | 0.55 | Reinforced | 350-550 | 8.8 | 1:1.6 | 384 | 5000 |
| INF-1209-200μH | 5V(DC) | 17 | 0.25 | Reinforced | 420-700 | 9 | 1:3.5 | 200 | 5000 |
| INF-1209-384μH | 5V(DC) | 6.9 | 0.75 | Reinforced | 350-550 | 8.8 | 1:1.4 | 384 | 5000 |
| INF-1209-384μH | 3.3V(DC) | 6.6 | 0.45 | Reinforced | 350-550 | 8.8 | 12 | 384 | 5000 |
| INF-1209-152μH | 5V(DC) | 12.5 | 0.35 | Reinforced | 400-700 | 7.8 | 1:2.6 | 152 | 5000 |
| INF-1209-250μH | 5V(DC) | 19.5 | 0.25 | Reinforced | 420-700 | 9 | 1:3.9 | 250 | 5000 |
| INF-1209-200μH | 5V(DC) | 17 | 0.25 | Reinforced | 220-700 | 16 | 1:3.5 | 200 | 6000 |
| IIN-1209-3404μH | 3.3V(DC) | 5 | 0.65 | Reinforced | 250-550 | 11 | 1:1.56 | 340 | 5000 |
Technical Specifications
| 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 |
