Wurth Elektronik Surface Pulse Transformer 1:3 Turns Ratio, 6.78 μH Primary Inductance, 0.02Ω Primary Resistance 750311911

Wurth Elektronik 750311911 Surface Pulse Transformer is engineered specifically for DC-DC converters and offline PWM switching regulators that require compact and reliable inductive components. This surface mount Pulse Transformer features a 1:3 turns ratio designed to facilitate efficient flyback power conversion in high-frequency power supplies.

The transformer offers a primary inductance of 6.78 μH and a very low primary DC resistance of 0.02 Ω, resulting in excellent energy efficiency and minimal resistive losses. The secondary DC resistance ranges between 0.45 and 0.47 Ω, supporting optimal current flow on the output side.

With a 14-pin configuration and surface mount construction, it integrates seamlessly into printed circuit boards used in industrial, electronics manufacturing, and power supply applications. Its leakage inductance of 200 nH ensures reduced unwanted inductive coupling, preserving signal fidelity.

Designed to withstand harsh environments, this transformer operates within a broad temperature range from -40°C to 125°C. It measures 25 mm in length, 22.2 mm in width, and 16 mm in depth, making it suitable for compact electronic assemblies. The device holds an isolation voltage rating of 2.5 kV, providing electrical safety and insulation in demanding applications.

This product is RoHS compliant, ensuring it meets contemporary environmental performance standards. The transformer is manufactured in China under strict quality controls by Wurth Elektronik.

Features a 1:3 turns ratio suitable for flyback transformer applications. Primary inductance of 6.78 μH ensures efficient energy transfer. Primary resistance is low at 0.02 Ω to minimize losses. Constructed for surface mount with 14 pins for easy PCB integration.

Operates reliably between -40°C and 125°C temperature range. Leakage inductance rated at 200 nH to maintain signal integrity. Physical dimensions are 25 mm length, 22.2 mm width, and 16 mm depth. Isolation voltage capability of 2.5 kV for safety and robustness.

Manufactured in China with RoHS compliance standards.

Ideal for applications in industrial electronics, power supplies, manufacturing equipment, and high-frequency signal isolation tasks. Explore more Wurth Elektronik transformers and related components on EnvMart for robust and high-quality electronic solutions.