TUBE: 6CY7 FICHIER SOURCE: sheets/049/6/6CY7.pdf FABRICANT: RCA (Radio Corporation of America, Harrison, NJ) ANNÉE: 10-59 (octobre 1959) TYPE: Dual Triode (triode double DISSIMILAIRE: Unit 1 high-mu, Unit 2 low-mu), chauffage indirect, 9 broches miniature ===== PAGE 1 ===== RCA — 6CY7 — DUAL TRIODE With High-Mu Unit and Low-Mu Unit — 9-PIN MINIATURE TYPE GENERAL DATA Electrical: Heater, for Unipotential Cathodes: Voltage (AC or DC) ............. 6.3 ± 10% volts Current ........................ 0.75 amp Direct Interelectrode Capacitances (Approx., without external shield): Unit No.1 / Unit No.2 Grid to plate ......... 1.8 / 4.4 µµf Grid to cathode and heater .... 1.5 / 5 µµf Plate to cathode and heater ... 0.3 / 1 µµf Characteristics, Class A1 Amplifier: Unit No.1 / Unit No.2 (deux conditions) Plate Supply Voltage ......... 250 / 60 / 150 volts Grid Voltage ................. -3 / 0 / — volts Cathode Resistor ............. — / — / 620 ohms Amplification Factor ......... 68 / — / 5 Plate Resistance (Approx.) ... 52000 / — / 920 ohms Transconductance ............. 1300 / — / 5400 µmhos Plate Current ................ 1.2 / 80* / 30 ma Plate Current for grid volts = -30 .... — / — / 3.5 ma Grid Voltage (Approx.) for plate µa = 10 .... -5.5 / — / — volts Grid Voltage (Approx.) for plate µa = 200 ... — / — / -40 volts Mechanical: Operating Position ............. Any Maximum Overall Length ......... 2-5/8" Maximum Seated Length .......... 2-3/8" Length, Base Seat to Bulb Top (Excl. tip) .... 2" ± 3/32" Diameter ....................... 0.750" to 0.875" Bulb ........................... T6-1/2 Base ........................... Small-Button Noval 9-Pin (JEDEC No. E9-1) Basing Designation (Bottom View) ... 9LG Pin 1 - Plate of Unit No.2 Pin 2 - Internal Connection - Do Not Use Pin 3 - Grid of Unit No.2 Pin 4 - Heater Pin 5 - Heater Pin 6 - Plate of Unit No.1 Pin 7 - Grid of Unit No.1 Pin 8 - Cathode of Unit No.1 Pin 9 - Cathode of Unit No.2 ===== PAGE 2 ===== VERTICAL-DEFLECTION OSCILLATOR (Values for Unit No.1) Maximum Ratings, Design-Maximum Values (525-line, 30-frame): DC PLATE VOLTAGE ................... 350 max volts PEAK NEGATIVE-PULSE GRID VOLTAGE ... 400 max volts PLATE DISSIPATION .................. 1 max watt PEAK HEATER-CATHODE VOLTAGE: Heater neg 200 max volts; Heater pos 200 max volts Maximum Circuit Values: Grid-Circuit Resistance .... 2.2 max megohms VERTICAL-DEFLECTION AMPLIFIER (Values for Unit No.2) Maximum Ratings, Design-Maximum Values (525-line, 30-frame): DC PLATE VOLTAGE ................... 350 max volts PEAK POSITIVE-PULSE PLATE VOLTAGE .. 1800 max volts PEAK NEGATIVE-PULSE GRID VOLTAGE ... 250 max volts CATHODE CURRENT: Peak 120 max ma; Average 35 max ma PLATE DISSIPATION .................. 5.5 max watts PEAK HEATER-CATHODE VOLTAGE: Heater neg 200 max volts; Heater pos 200 max volts (DC component max 100 volts) Maximum Circuit Values: Grid-Circuit Resistance for cathode-bias operation .... 2.2 max megohms RCA Electron Tube Division, Harrison, NJ. 10-59.