Vacuum tubes
High frequency subminiature pentode of improved reliability and mechanical strength.
Pentode 6ZH1B is designed for high frequency voltage amplifying in radio-frequency stages and intermediate frequency television, ultra-short wave and broadcasting reveivers, and also in various wide-band equipment of UHF and VHF bands.
Oxide cathode of indirect heating.
Pentode 6ZH1B works in any position.
Pentode is produced in glass ultra small modification.
Lifetime, minimum: 1000 h.
Weight, maximum: 3.5g.
Basic technical characteristics of 6ZH1B:
Nominal electric data:
• heater voltage, V ...... 6,3 ±0.6
• heater current, mА...... 200 ±20
• anode voltage, V ...... 120
• second circuit voltage, V ...... 120
• cathode circuit resistance for automatic bias, Om ...... 200
• anode circuit current, mА...... 7,5
• second circuit current, mА...... 3,5
• differential transconductance, mА/V ...... 4,8
• input resistance, kOm ..... 8
• equivalent resistance of interior noise, Om ..... 4
Maximum electric values:
• maximum anode voltage, V ....... 150
• second circuit maximum voltage, V ....... 125
• maximum power dissipated on anode, W ...... 1,2
• maximum power, dissipated on second circuit, W ...... 0,4
• maximum current in cathode circuit, mА...... 14
• maximum voltage cathode-heater, V ..... 150
• maximum resistance of the first circuit, mOm ...... 1
• input capacitance, pF ..... 4,8
• output capacitance, pF ..... 3,8
• transfer capacitance, pF ..... 0,03
