sed sv83 DATASHEETS
SVETLANA TECHNICAL DATA
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SV83
Audio Power Pentode
he SvetlanaTM SV83 is a miniature glass-envelope power pentode intended
for use as a driver or output device in high-quality audio amplifiers.
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Features include plate dissipation 12 watts; low distortion; high
transconductance; internally shielded for low hum pickup; and pinout compatibility—EL84 can be used in an SV83 circuit without modification. The highly linear
SV83 is similar to the EL84 with the exception of basing connections and screengrid ratings.
Characteristics
Electrical
Cathode Oxide-coated, unipotential
Heater voltage (AC or DC) 6.3 volts AC or DC (±0.6 volts)
Heater current 760 mA ±60 mA
Heater-cathode voltage
Amplification factor (nominal) 25
Transconductance (nominal) 15,000µS
Interelectrode capacitances (typical), with cathode grounded:
Grid to cathode 13.5 pF
Anode to cathode 7.0 pF
Grid to anode 0.07 pF
Mechanical
Base standard 9-pin miniature, glass button
Basing diagram see below
Socket standard 9-pin miniature
Operating position Any (vertical for convection cooling)
Nominal dimensions:
Height of glass envelope 71.5 mm (2.81 in.)
Diameter of glass envelope 22.5 mm (.89 in.)
Overall height 78.5 mm (3.09 in.)
Net weight 20 g (.71 oz.)
Maximum ratings
Anode voltage, DC 300 V
Anode dissipation 12 W
Screen voltage, DC 200 V
Screen dissipation 1.5 W
Cathode current, continuous 90 mA
Grid voltage -450 V
Maximum grid-circuit resistance (self-bias) 1 megohm
Envelope temperature 200
±
100 volts peak
o
C
Svetlana Outline drawing
22.5 mm
71.5 mm
78.5 mm
62 ± 2.5 mm
H
G1
C
G3, S
H
3
2
5
4
1
G3, S
6
9
G2
A
7
8
Svetlana
ELECTRON DEVICES
Headquarters:
8200 South Memorial Parkway
Huntsville, AL 35802
USA
Phone: 205 882 1344
Fax: 205 880 8077
www.svetlana.com
Marketing & Engineering:
3000 Alpine Road
Portola Valley, CA 94028
USA
Phone: 415 233 0429
Fax: 415 233 0439
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Svetlana SV83
Audio Power Pentode
100
50
PLATE CURRENT (MILLIAMPERES)
0
0
Vg1 = OV
-0.5
100
-1
-1.5
-2
-2.5
-3
PLATE VOLTAGE (VOLTS)
-3.5
Svetlana SV83
Typical Plate Characteristics
Vscreen = 200V
Plate Current
Plate Dissipation Limitation
-4
300200
Svetlana
ELECTRON DEVICES
-5
-6
-7
-8
400
Vg1 = OV
-0.5
-1
50
Svetlana SV83
Typical Plate Characteristics
Vscreen = 150V
Plate Current
Plate Dissipation Limitation
0
-1.5
35
30
25
(MILLIAMPERES)
20
15
10
SCREEN GRID CURRENT
5
0
0
100 200
Vg1 = OV
-1
-2
PLATE VOLTAGE (VOLTS)
Svetlana SV83
Typical Screen Characteristics
Vscreen = 200V
-3
300 400
25
PLATE CURRENT (MILLIAMPERES)
0
0
-4
-5
-6
100 200 300
PLATE VOLTAGE (VOLTS)
-2
-2.5
-3
-3.5
-4
-4.5
-5
-6
400
www.svetlana.com
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