TUBE: 10Y (10-Y)
SOURCE FILE: sheets/049/1/10Y.pdf
FABRICANT: RCA (Radio Corporation of America, Tube Department, Harrison N.J.)
ANNÉE: 1946 (DEC. 20, 1946)
TYPE: POWER AMPLIFIER TRIODE (directly-heated, thoriated tungsten filament)
LANGUE: en
PAGES: 2

===== PAGE 1 =====
RCA 10-Y — POWER AMPLIFIER TRIODE
GENERAL DATA
Electrical:
Filament, Thoriated Tungsten:
  Voltage: 7.5 ac or dc volts
  Current: 1.25 amp
Amplification Factor: 8
Direct Interelectrode Capacitances (Approx.):
  Grid to Plate: 7 µµf
  Grid to Filament: 4 µµf
  Plate to Filament: 3 µµf

Mechanical:
  Mounting Position: Vertical, base down
  Max Overall Length: 5-3/8"
  Max Seated Length: 4-3/4"
  Max Diameter: 2-1/16"
  Bulb: ST-16
  Base: Medium-Shell Small 4-Pin Micanol, Bayonet ; Basing 4D (bottom view)
  Pin 1 - Filament; Pin 2 - Plate; Pin 3 - Grid; Pin 4 - Filament

PLATE-MODULATED RF POWER AMPLIFIER — Class C Telephony
(Carrier conditions per tube for use with max. modulation factor of 1.0)
Maximum Ratings, Absolute Values:
  DC PLATE VOLTAGE: 350 max. volts
  DC GRID VOLTAGE: -200 max. volts
  DC PLATE CURRENT: 60 max. ma
  DC GRID CURRENT: 15 max. ma
  PLATE INPUT: 17.5 max. watts
  PLATE DISSIPATION: 10 max. watts
Typical Operation (two columns):
  DC Plate Voltage: 250 / 350 volts
  DC Grid Voltage: -95 / -135 volts
  Peak RF Grid Voltage: 195 / 235 volts
  DC Plate Current: 45 / 45 ma
  DC Grid Current (Approx.): 15 / 15 ma
  Driving Power (Approx.): 3 / 3.5 watts
  Power Output (Approx.): 5.5 / 8 watts
DEC. 20, 1946

===== PAGE 2 =====
RF POWER AMPLIFIER & OSCILLATOR — Class C Telegraphy
(Key-down conditions per tube without modulation)
Maximum Ratings, Absolute Values:
  DC PLATE VOLTAGE: 450 max. volts
  DC GRID VOLTAGE: -200 max. volts
  DC PLATE CURRENT: 60 max. ma
  DC GRID CURRENT: 15 max. ma
  PLATE INPUT: 27 max. watts
  PLATE DISSIPATION: 15 max. watts
Typical Operation (two columns):
  DC Plate Voltage: 350 / 450 volts
  DC Grid Voltage: -90 / -115 volts
  Peak RF Grid Voltage: 190 / 215 volts
  DC Plate Current: 55 / 55 ma
  DC Grid Current (Approx.): 15 / 15 ma
  Driving Power (Approx.): 3 / 3.3 watts
  Power Output (Approx.): 9 / 13 watts
  (Modulation essentially negative may be used if positive peak of audio envelope <=115% of carrier.)
  Data on operating frequencies given on sheet TRANS. TUBE RATINGS vs FREQUENCY.
DEC. 20, 1946 — RADIO CORPORATION OF AMERICA, HARRISON, NEW JERSEY