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Product Detailed Parameters
- Description:XFMR FLYBACK DC/DC CONV 300UH SM
- Series:-
- Mfr:Würth Elektronik
- Package:Tape & Reel (TR),Cut Tape (CT)
- Type:For DC/DC Converters
- Applications:Flyback Converters
- Intended Chipset:-
- Chipset Manufacturer:Maxim Integrated
- Voltage - Primary:24V
- Voltage - Auxiliary:12V @ 20mA
- Voltage - Isolation:3750Vrms
- Inductance @ Frequency:300µH @ 10kHz
- Frequency:250kHz
- Operating Temperature:-40°C ~ 125°C
- Mounting Type:Surface Mount
- Size / Dimension:-
- Height - Seated (Max):0.197" (5.00mm)
- Footprint:-
- Style:-
- Grade:-
- Qualification:-
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Overview
The Würth Elektronik 750315319 is a flyback transformer designed for board-mount applications in switch-mode power supplies. It operates at a frequency of 250kHz and features surface mount installation. The component provides 3750Vrms isolation between primary and secondary windings, ensuring safety in high-voltage circuits. It is rated for a primary voltage of 24V and includes an integrated shield to minimize electromagnetic interference. The unit supports a wide operating temperature range from -40°C to 125°C, making it suitable for demanding industrial environments.
Feature Summary
- Provides robust electrical isolation for safety-critical power conversion stages
- Integrated magnetic shielding reduces electromagnetic interference emissions
- Designed specifically for flyback converter topologies in SMPS architectures
Applications
- Flyback converters for DC/DC conversion
- Switch-mode power supply (SMPS) transformers
- Industrial power systems requiring high isolation
Procurement Notes
Verify the specific datasheet revision when ordering, as manufacturing changes may occur. Confirm that the surface mount footprint matches your PCB layout exactly. Ensure the 24V primary rating aligns with your circuit design requirements before finalizing procurement.
Selection Notes
Select this component when high isolation voltage is required in a compact surface mount package. It is appropriate for designs utilizing flyback topology where electromagnetic interference suppression is critical. Verify thermal management capabilities against the 125°C maximum operating temperature limit.
Part Context
This part belongs to the Würth Elektronik WE-FB series of flyback transformers. These components are engineered for efficient power transfer in isolated power supply designs. The series emphasizes reliability and compliance with international safety standards for electronic equipment.
Replacement Considerations
Check for direct substitutes within the Würth Elektronik WE-FB series that match the 250kHz frequency and 3750Vrms isolation rating. Ensure any replacement maintains the same surface mount dimensions and pin configuration to fit existing footprints.
FAQ
What is the isolation voltage rating?
The component provides 3750Vrms isolation between the primary and secondary windings.
What is the operating frequency?
The transformer is designed to operate at a frequency of 250kHz.
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