← BrowseData: LowLow quality — significant gaps in core data (missing base, heater, universal parameters, or pins). Treat as a research stub; always cross-reference with datasheets.
Known Equivalents & Substitutes
CV1059VR59VT12157711650467UN955
Similar Tubes (Not Drop-In Compatible)
Later miniature (B7G) VHF triode replacing acorn types — different base and pinout 9001
Miniature (all-glass B7G) replacement for the 955 acorn triode — different base, not pin-compatibleElectrical Specifications
Absolute Maximum
Anode Voltage (max)Anode Voltage (max)250V
Anode Dissipation (max)Anode Dissipation (max)1.6W
Cathode Current (max)Cathode Current (max)8mA
Typical Operating
Anode Voltage (typical)Anode Voltage180V
Notes
- Acorn-type envelope with radial wire leads — uses special acorn socket (5-pin, JEDEC base 5BC).
- Originally designed for VHF/UHF service in early radar and communications equipment during WWII.
- MIL-HDBK-213A lists substitutes: 5771, 1650, 467.
- Sams Substitution Handbook cross-references 5771, 1650, 467.
- TDSL maximum ratings: Va_max = 180V (ICAS), Ia_max = 8 mA.
- GE Essential Characteristics lists Va_max = 250V (absolute max) and Pa_max = 1.6W.
- The 9001 miniature tube was designed as the B7G replacement for the 955 acorn.
Socket-Compatible Tubes ⚠ Not electrically compatible