Description
ERL35 is a type of high-frequency transformer, serving as a core component in switching power supplies. It operates with various circuit topologies, such as half-bridge power conversion circuits. In these circuits, two switching transistors alternately generate 100kHz high-frequency pulses, which are then processed by the high-frequency transformer to produce AC power. The output voltage is precisely determined by the turns ratio of the transformer windings.
ERL35 High-Frequency Transformer Performance
- Operating Frequency: 50kHz–500kHz
- Rated Output Power: 20–400W
- Operating Temperature: -40°C to +125°C
- Storage Temperature: -25°C to +85°C
- Storage Humidity: 30%–95%
Specification
| Parameter | ERL25 | ERL28 | ERL35 | ERL40 |
| Core Model | ERL25 | ERL28 | ERL35 | ERL40 |
| Bobbin Type | Vertical / Horizontal, 5+5pin | Vertical / Horizontal, 5+5 / 6+6pin | Vertical / Horizontal, 5+5pin (Your Current Model) | Vertical / Horizontal, 6+6pin |
| Rated Power | 10–30W | 30–60W | 60–120W | 100–200W |
| Operating Frequency | 20kHz–150kHz | 20kHz–150kHz | 20kHz–150kHz | 20kHz–150kHz |
| Core Material | PC40 / PC44 /PC95 Manganese-Zinc Ferrite | PC40 / PC44/PC95 Manganese-Zinc Ferrite | PC40 / PC44 /PC95 Manganese-Zinc Ferrite | PC40 / PC44 /PC95 Manganese-Zinc Ferrite |
| Primary Inductance | 500–1200μH (Customizable) | 800–2000μH (Customizable) | 1500–3500μH (Customizable) | 2500–5000μH (Customizable) |
| Insulation Class | Class B (130°C) / Class F (155°C) | Class B / Class F | Class B / Class F | Class B / Class F |
| Withstand Voltage | Primary to Secondary: AC 3750V / 1min | Primary to Secondary: AC 3750V / 1min | Primary to Secondary: AC 3750V / 1min | Primary to Secondary: AC 3750V / 1min |
| Operating Temperature | -25°C ~ +125°C | -25°C ~ +125°C | -25°C ~ +125°C | -25°C ~ +125°C |
| Typical Applications | Mobile chargers, LED drivers, low-power adapters | Adapters, set-top box power supplies, industrial control power | Switching power supplies, industrial automation equipment, LED power supplies (Your Target Applications) | High-power power supplies, medical devices, communication equipment |
Application of ERL35 high -frequency transformer
ERL35 high -frequency transformer is often used in PC power transformers, LLC power transformers, communication power transformers, industrial inverter, etc.
Details
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