KP400A Thyristor (SCR) Control Tube, 200–2000 V — Gate Trigger Device (Pack of 2)

KP400A Thyristor (SCR) Control Tube — 200–2000 V — Pack of 2

Overview

• Part number: KP400A
• Device type: Thyristor / Silicon Controlled Rectifier (SCR) control tube — gate trigger element
• Voltage indication: 200–2000 V (as specified)
• Pack quantity: 2 pieces
• Intended use: Gate triggering and control in medium‑to‑high voltage power‑electronic circuits, trigger modules and repair kits

Key features

• KP400A designed for gate triggering in SCR/thyristor driver assemblies and controlled rectifier systems.
• Supplied as a small pack of 2 pieces for repair, prototype evaluation or low‑volume installations.
• Compact discrete package suitable for use on trigger boards, legacy control tube sockets or custom gate‑drive modules.
• Intended as a replacement or spare component in trigger modules where KP400A is specified.

Typical applications

• Gate drive and pulse triggering in thyristor converters, inverters and industrial power controllers.
• Trigger modules for controlled rectifiers and high‑voltage switching equipment.
• Repair, maintenance and prototyping in power electronics workshops and labs.

Handling, compatibility & safety notes

• ESD sensitive — observe appropriate electrostatic discharge precautions during handling and assembly.
• Verify mechanical package, pinout, mounting and socket compatibility against the manufacturer datasheet before installation.
• Confirm gate drive requirements, maximum repetitive peak voltage, surge handling and continuous current limits from the official datasheet prior to use.
• Ensure appropriate thermal management, creepage/clearance and safety measures for high‑voltage operation.

Ordering & identification

• Product: KP400A control tube
• Voltage range (per product listing): 200–2000 V
• Quantity: 2 pieces per pack

Notes

• Only information explicitly provided or directly implied was used. No additional electrical parameters (such as current ratings, package type, pinout or surge specs) were assumed. Consult the original manufacturer datasheet for full electrical and mechanical specifications.