Western electric 336 a brochure

Page 1

BELI- SYSTEM FRACTICES SECTION AB46.336A
TRANSMISSION ENGINEERING AND DATA ISSUE 1, NOVEMBER 1948
ElECTRON TUBE DATA A.T.&T. CO. STANDARD

PENTODE W519! EleCI'l'iC

DESCRIPTION

1:

. The 336A is a suppressor grid, power penthode with an indirectly heated cathode.
It is designed for use as an audio-frequency power amplifier in Class A1 and AB,
service.
CHARACTERISTICS
. Heater Voltage 10.0 volts
Plate Current fl ¥ 32.5 milliamperes
Transconductance ll? _ E: V 250 volts, 4250 micromhos

J 13,,1 = -14 volts

Power Output 3.5 watts

ELECTRON TUBE DATA SHEET
F1115: GENERAL PURPOSE SECTION
1- 8

Page 2

336A -- PAGE 2
GENERAL CHARACTERISTICS

ELECTRICAL DATA

Heater Voltage, A-C or D-C
Heater Current
Direct lnterelectrode Capacitances

Grid to Plate
Input
Output

MECHANICAL DATA

Cathode

Bulb

Base

Mounting Position

Dimensions and pin connections shown in outline drawing on Page 7

MAXIMUM RATINGS, Design-Center Values

Plate Voltage

Screen Grid Voltage
Plate Dissipation

Screen Grid Dissipation
Cathode Current
Heater-Cathode Voltage

without
external shield

0.52
11.5
8.1

TYPICAL OPERATING CONDITIONS AND CHARACTERISTICS

SINGLE TUBE AMPLIFIER-PENTODE CONNECTION

Plate Voltage 180
Screen Grid Voltage 180
Control Grid Voltage -8
Cathode Resistor . . .
Peak A-F Grid Voltage 8
Zero Signal Plate Current 28.0
Maximum Signal Plate Current 29.5
Zero Signal Screen Grid Current 6.0
Maximum Signal Screen Grid Current 8.2
Transconductance 4100
Plate Resistance 70000
Load Resistance 5000
Maximum Signal Power Output 1.8
Total Harmonic Distortion 6.3

250
250
-14
10
32.0
34.0
6.5
11.0
4250
84500
7000

3.6
8.0

*With external shield (RMA #311) connected to cathode pin.

10.0 volts
0.64 ampere
with

external shield

(RMA #311)
*0.34 uuf

*12.2 uuf
*105 uuf

Coated unipotential

STIZ

Small 6-pin

Any

250
250
12
3.5
50
150

250
250

volts

volts

watts

watts
milliamperes
volts

volts
volts

. volts

330
10
32.0
30.5
6.5
10.5
4400
75000
7000
3.3
8.8

ohms

volts
milliamperes
milliamperes
milliamperes
milliamperes
micromhos
ohms

ohms

watts

per cent