Original KRM-150 Soviet high-voltage kenotron (vacuum rectifier tube), designed for use in high-voltage power supplies, ray equipment, industrial and laboratory installations, and radiation detection systems.
Tube is new old stock, unused, and in excellent condition.
Ideal for restoration projects, high-voltage lab builds, and collectors of vintage Soviet electronic components.
NOT For medical use.
Tube Type: High-voltage vacuum rectifier (Kenotron)
Model: KRM-150 (КРМ-150)
Rectification Type: Single-anode high-voltage rectifier
Application: AC to DC rectification in high-voltage circuits
Maximum Rectified Voltage: up to 150 kV
Maximum Rectified Current: up to 50 mA
Heater Voltage: 6.3 V
Heater Current: approx. 6.0 A
Operating Mode: Half-wave rectification
Designed for continuous operation in high-voltage equipment
Stable rectification at high voltage
High insulation strength
Long service life for industrial, laboratory, and medical use
Typical of Soviet-era high-voltage tube engineering
Operating Temperature Range: −40 °C to +50 °C
Suitable for laboratory, industrial, and technical environments
Glass envelope
Large high-voltage tube format
Metal/ceramic base
Robust construction typical of Soviet high-voltage tubes
1 × KRM-150 (КРМ-150) Kenotron Rectifier Tube
Original factory packaging (if shown in photos)
Item will be securely packed for safe international air mail shipping.
Ships within 1–2 business days
Carefully double-packed to prevent damage
Worldwide shipping with tracking
Typical delivery time: 12–21 days (depends on destination)
Returns accepted only if the item is not as described.
Please contact the seller before returning.