IEEE 390-1987

IEEE 390-1987 is the standard for pulse transformers, offering technical guidance for components used in power, energy, and industrial electronics applications. It addresses the design and performance considerations that help pulse transformers deliver reliable signal transfer in switching, timing, and control circuits. For engineers, buyers, and compliance teams, this specification is useful because it supports more consistent selection and evaluation of transformer performance in demanding electrical systems.

Overview of IEEE 390-1987

IEEE 390-1987 defines requirements and considerations for pulse transformers used in components, circuits, devices, and systems where accurate pulse transmission is important. As an inactive IEEE standard, it remains relevant as a reference for legacy designs, documentation review, and technical comparison. The document is especially useful when evaluating characteristics such as waveform fidelity, isolation, and suitability for pulsed operation. It helps frame expectations for design and testing in electrical applications where pulse behavior affects system reliability.

Typical use cases

This standard is commonly relevant in pulse-driven control and power-electronics equipment, where transformers must carry short-duration signals with minimal distortion. It may be used in industrial control circuits, timing networks, gate drive arrangements, and other systems that depend on isolated pulse transfer. IEEE 390-1987 is also helpful when reviewing replacement parts, comparing legacy transformer specifications, or aligning procurement requirements for equipment that still relies on pulse transformer performance criteria.

Why it matters

IEEE 390-1987 matters because pulse transformers can directly affect switching accuracy, signal integrity, and isolation in critical electrical designs. Using a defined standard supports more consistent engineering decisions, easier specification writing, and better supplier comparison. It can also reduce risk during testing and maintenance by giving teams a shared reference for performance expectations. For organizations managing older equipment, IEEE 390-1987 provides a practical baseline for technical review and compliance-oriented documentation.

• Pulse transformer requirements
• Design and performance context
• Isolation and pulse transfer
• Legacy reference for review
• Industrial and power applications