Electronic Components · Voltage Regulator Tubes
OG-4 Glow Discharge Voltage Regulator (85 V)
Glow-discharge voltage regulator (stabilovolt) tube providing 85 V stabilization for vintage radar, broadcast, and test equipment power supplies.
- Stabilization Voltage
- 85 V
- Current Range
- 5–40 mA
- Tube Type
- Glow Discharge Regulator
- Ionization Gas
- Neon
About the OG-4
The OG-4 is a voltage regulator tube. Glow-discharge voltage regulator (stabilovolt) tube providing 85 V stabilization for vintage radar, broadcast, and test equipment power supplies.
Key ratings of the OG-4 include tube type Glow Discharge Regulator, stabilization voltage 85 V, current range 5–40 mA and ionization gas Neon.
Typical applications are vintage radar equipment power supplies, broadcast transmitter HT regulation, classic test instrument repair and military surplus electronics. Notable features: 85 V stabilization, vintage design 1940s–1960s era, 40 mA maximum current and classic cold-cathode construction.
Gas-discharge voltage regulator tubes provide a stable reference voltage in legacy instrumentation, military equipment and vintage electronics.
PartnerTubes supplies the OG-4 worldwide from Groningen, the Netherlands — availability, lead time and price are confirmed per enquiry. Our team can help with equivalent and cross-reference types, sockets and accessories, and supply programmes for OEM and maintenance customers. Interchangeability must always be confirmed for the specific equipment.
Technical specifications
| Tube Type | Glow Discharge Regulator |
|---|---|
| Stabilization Voltage | 85 V |
| Current Range | 5–40 mA |
| Ionization Gas | Neon |
Specifications are indicative and based on published manufacturer data. Always verify against the official datasheet and confirm suitability for your application before ordering.
Applications & features
Used in
- Vintage radar equipment power supplies
- Broadcast transmitter HT regulation
- Classic test instrument repair
- Military surplus electronics
Key features
- 85 V stabilization
- Vintage design 1940s–1960s era
- 40 mA maximum current
- Classic cold-cathode construction
Frequently asked questions
What is the OG-4?
The OG-4 is a voltage regulator tube. Glow-discharge voltage regulator (stabilovolt) tube providing 85 V stabilization for vintage radar, broadcast, and test equipment power supplies.
What are the specifications of the OG-4?
Tube Type: Glow Discharge Regulator; Stabilization Voltage: 85 V; Current Range: 5–40 mA; Ionization Gas: Neon.
What is the OG-4 used for?
The OG-4 is used in vintage radar equipment power supplies, broadcast transmitter HT regulation, classic test instrument repair and military surplus electronics.
What are alternatives or related parts to the OG-4?
Related and comparable parts include VG-33, VG-68, GKh-12A, GS-12, GS-31B and TGI1-1000-25. Contact PartnerTubes to confirm interchangeability for your equipment.
Where can I buy the OG-4?
The OG-4 is available from PartnerTubes (Grunius BV, Groningen, Netherlands) with worldwide shipping. Availability and lead time are confirmed on request. Request a quote at https://www.partnertubes.com/contact/?part=OG-4 or email info@partnertubes.com.