Download SV811-3 spec

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