NL-5557/FG17 Tubes For Sale: NL-5557/FG17 Tube Specs, Data Sheet & Substitute Info
NL-5557/FG17 Tubes For Sale
Penta Labs supplies high-performance NL-5557/FG17 tubes for sale for use in RF sealing and other high-frequency industrial applications. Each unit is burn-in tested and verified for fast recovery, long life, and reliable high-voltage switching performance.
NL-5557/FG17 tube for sale, Available quantities:
Whether you're replacing a failed tube or stocking up for preventative maintenance, we offer flexible quantity options to meet your operational needs. Each NL-5557/FG17 replacement is tested to ensure consistent switching speed, peak current capability, and minimal delay time—critical for RF generators and pulse-modulated systems.
NL-5557/FG17 Tube Specs
The NL-5557/FG17 is a high-quality gas-filled hydrogen thyratron electron tube designed for high-voltage, high-speed pulsed RF applications. Below are the general technical specifications. For full details, see the datasheet in the section below.
| Specification | Details |
|---|---|
| Operating Voltage | Up to 36,000 volts |
| Peak Current | Up to 600 amps |
| Delay Time | < 0.5 microseconds |
| Tube Type | Hydrogen thyratron |
| Cooling Method | Air or water (based on system design) |
| Envelope Type | Ceramic/Glass |
| Frequency Compatibility | Up to 110 MHz |
| Common Applications | RF sealing, dielectric welding, pulse modulators |
NL-5557/FG17 Tube Data Sheet Download
For full performance and power specs, frequency response, and mounting details, download the complete NL-5557/FG17 tube data sheet below. Ideal for technicians, engineers, and maintenance teams working on high-voltage RF systems.
Download NL-5557/FG17 Datasheet (PDF)
NL-5557/FG17 Tube Substitute & Equivalent Information
The NL-5557/FG17 is a widely used hydrogen thyratron designed for fast-pulse switching in RF generators, RF sealing equipment, and dielectric welding systems. If you’re looking for a Richardson NL-5557/FG17 tube equivalent, Penta Labs offers fully compatible replacements that meet or exceed OEM specifications.
This tube is ideal for systems where fast recovery time, high peak current, and precision pulsing are critical. It's frequently used in plastic welding, food packaging, and medical RF pulse modulators.
As trusted vacuum tube dealers, we carry a large inventory of hard-to-find and specialty tubes. Browse our full range of vacuum tubes for sale, or explore related product categories like hydrogen thyratron, RF sealing equipment, and high frequency welding.
Let our team help you source the exact NL-5557/FG17 tube equivalent for your application, contact us today.
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