Schaffner Through Hole Pulse Transformer , 1:1:1 Turns Ratio, 2.5 mH Primary Inductance, 0.8Ω Primary Resistance, 1A IT243

Schaffner IT243 is a high-quality through hole pulse transformer designed for transformer-coupled gate drive applications. With a 1:1:1 turns ratio, it provides galvanic isolation and supports multiple gate drives, making it suitable for industrial, power electronics, and control circuit environments.

Designed for gate drive transformer applications, enabling rapid voltage scaling and negligible signal delays. Primary inductance of 2.5 mH ensures efficient pulse transmission and minimal distortion in timing-sensitive circuits.

The primary and secondary DC resistance of 0.8Ω ensures consistent and reliable signal integrity. Handles up to 1A current, supporting ignition and switching loads in demanding industrial control setups. PCB through hole mounting with 6 pins offers stable mechanical integration into electronic assemblies.

Operating temperature from -25°C to 70°C provides flexibility for varied environmental conditions. Capable of up to 40kHz maximum operating frequency, ideal for fast switching applications such as power supplies, motor drives, and inverter circuits.

High isolation voltage rating up to 4kV enhances safety and reliability in high-voltage isolation and protection scenarios. RoHS compliant construction ensures environmental safety and regulatory compliance for commercial and industrial use.

Compact form factor: 16.7mm length, 17.6mm width, 11.3mm depth, with a gross weight of just 6g.

Pulse transformers like the Schaffner IT243 are widely used in industrial automation, manufacturing, laboratory instrumentation, HVAC controls, power supplies, and renewable energy inverter circuits. Their ability to provide electrical isolation and reliable pulse transmission makes them essential in robust controller and gate driver designs.

The IT Series from Schaffner ensures rapid standard product availability, supporting both single and double secondary winding options for multiple drive capability. Its vacuum potting minimizes partial discharge and enhances product life and performance.

This transformer is ideal for applications requiring high isolation, precise timing, and dependable operation. Common uses include power conversion, switching control, galvanic separation, and industrial automation.

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