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Transcript
SVETLANA TECHNICAL DATA SV811-3 Low-Mu Power Triode T he SvetlanaTM SV811-3 is a power triode intended for use in class A, AB, or B audio amplifiers. This tube features: • Directly heated thoriated tungsten filament for soft glow and warm sound. • Hard glass envelope with white ceramic base • Low microphonic internal construction • Titanium gettering system • Tri-plate anode • Superb aesthetic appearance Svetlana Outline drawing Characteristics Electrical A Filament: Voltage (AC or DC) Current Amplification factor Transconductance Plate resistance Interelectrode capacitances (typical), with filament grounded: Grid to plate Grid to filament Thoriated-tungsten 6.3 ± 0.3 V 4 A 3.5 1700 µS 2000 ohms B 8 7 C pF pF Mechanical Cooling Base Basing diagram Socket Operating position- Radiation and convection Ceramic, four pin, small JEDEC 4D Svetlana SK4 or equivalent Axis vertical, base down or horizontal w/ pins 1 and 4 in vertical plane Nominal dimensions: Diameter Base to top Overall height Net weight 57 mm (2.23 in.) 133 mm ( 5.25 in) 150 mm (5.89 in) 100 g Ceramic base, small four pin P 2 3 G 1 4 F F Maximum ratings DC plate voltage Maximum-signal DC plate current Plate Dissipation 800 160 65 V mA W Notes: The internal structure is aligned with respect to the base pins to avoid internal shorting problems in equipment designed for horizontal mounting. 1 Filament 2 Plate 3 Grid 4 Filament Dimensional Data Headquarters: 8200 South Memorial Parkway Huntsville, AL 35802 USA Phone: 205 882 1344 Fax: 205 880 8077 Svetlana ELECTRON DEVICES www.svetlana.com Marketing & Engineering: 3000 Alpine Road Portola Valley, CA 94028 USA Phone: 415 233 0429 Fax: 415 233 0439 11/97 Dim. A B C Millimeters 57 133 150 Inches 2.23 5.25 5.89 Svetlana SV811-3 Low-Mu Power Triode Svetlana Typical Operation, Audio Power Amplifier, Class AB2, Two Tubes DC plate voltage DC grid voltage Peak grid to grid drive DC plate current, zero signal (per tube) DC plate current, max signal (per tube) Effective load resistance (plate to plate) Power output ELECTRON DEVICES 600 -110 350 100 160 10,000 30 V V V mA mA Ohms W Svetlana SV811-3 Triode Typical Characteristics 300 PLATE CURRENT (Ip) vo +20 0 +40 = +60 Vg +80 lts 400 -20 -40 -60 -80 -100 -120 -140 -160 200 100 0 0 200 400 600 800 PLATE VOLTS (Vp) Note: A µ of 10 version of this tube type is available, the SV811-10 www.svetlana.com 1000