BW1185 / BW1185J2 Triode Tube BW1185 / BW1185J2 Triode Tube
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BW1185J2 / YD1212 Tubes For Sale: Incl Specs, Data Sheet & Substitute Info

BW1185J2 / YD1212 tubes for sale

Single or multiple YD1212 / BW1185J2 tubes for sale:
Available quantities:

In Stock — Just a few left

From a one-off replacement to a planned multi-tube purchase, we’ll help you match the right build to your generator. If you’re considering a BW1185J2 / YD1212 tube for sale and want to avoid fit issues, send over the marking on your current tube along with your generator model and operating details so we can sanity-check compatibility before you order.

BW1185J2 / YD1212 tube specs

The table below summarizes the key specifications so you can quickly compare against your generator’s electrical limits and mechanical envelope.

Specification Details
Tube type Water-cooled triode
Output power 163 kW
Frequency range Up to 100 MHz (application-dependent)
Anode voltage (max) 15 kV
Grid voltage (reference) -2000 V
Grid dissipation (max) 2.5 kW
Anode dissipation 100 kW
Peak cathode current 100 A
Filament voltage 12.2 V
Filament current 250 A
Amplification factor (µ) 36
Cooling Water-cooled

BW1185J2 / YD1212 tube data sheet download

Use the link below to download the BW1185J2 / YD1212 datasheet. If you’d like help reviewing limits like duty cycle, cooling requirements, or frequency range, send your system details, and we’ll help you confirm suitability.

Download BW1185Js datasheet

BW1185J2 / YD1212 tube substitute & equivalent information

BW1185J2 is commonly used as a YD1212 tube equivalent in high-power, water-cooled triode applications for industrial RF oscillator service. It is often selected as a substitute for tubes marked YD1212 and ITK90-1 when the mechanical envelope, cooling connections, and operating conditions match the generator’s requirements.

For Thales-marked units, BW1185J2 can serve as a direct replacement for a YD1212 Thales tube. It is also used in RF oscillator systems for applications involving RF heat sealing equipment and other dielectric heating workflows where stable emission and consistent output matter.

Not sure which equivalent is right for your system? Send the tube marking, generator model, operating frequency, and cooling-loop details. You can also browse the full range of vacuum tubes for sale, on our site, and we’ll help you narrow down the best match before you commit.

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