Product details
New soviet 1J29B miniature HF pentodes.
Ten tubes in one lot.
We ship via International Airmail.
Tracking number is provided.
High-frequency ultra-miniature pentode with short anode-grid characteristics.
Designed for generating and amplifying high-frequency voltages up to 60 MHz.
The 1Zh29B high-frequency pentode is used in general-purpose and special-purpose radio-electronic equipment.
Operates in any position.
Available in a miniature glass design.
Wire lead base with 8 leads.
Direct-heated oxide cathode.
Dimensions of the 1Zh29B pentode:
— tube height — 40 mm;
— tube diameter — 8.5 mm;
— anode lead length — 25 mm;
— lead length — not less than 40 mm;
— lead diameter — 0.4 mm.
Weight not more than 4.5 g.
Technical conditions: 3.300.004TU.
Decoding of the high-frequency pentode marking:
1Ж29Б
1 — number indicating the rounded value of the lamp filament voltage in volts;
Ж — letter defining the lamp type: Ж — high-frequency pentode with short characteristics;
29 — serial number of the development of this type of tube;
Б — letter characterising the design: Б — ultra-miniature, in a glass envelope, with a diameter of 8 to 10.5 mm;
