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Specialized - Cathode Ray ·CathodeRay

5DEP1

Five-inch high-deflection-sensitivity oscilloscope CRT with electrostatic focusing and deflection and a green screen. Its sensitive beam system reduces required deflection drive in precision instrumentation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
12E
Socket code
B12A
Base pins
12
Nominal heater
6.3 V / 600 mA

Description

The Sylvania 5DEP1 is a 5-inch high-deflection-sensitivity oscilloscope CRT with electrostatic focus and deflection and a green screen.

Socket description

Duodecal 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12E
Socket code
B12A
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12E - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

CRT section; maximum anode voltage 2750 V and capacitances retained in parameter table.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Heater Voltage

    6.3 V

    Nominal

  • Heater Current

    600 mA

    Nominal

Data set 02

1960 Waterman Products

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • RAYONIC®

    5

    RAYONIC® 5DEP1 CATHODE RAY TUBE QUICK REFERENCE DATA

  • Heater Voltage

    0.3 V

    Heater Voltage ...0.3 Volts

  • Heater Current ..., [1]

    600 mA

    Heater Current ..., 0.6 = 10% Amperes

  • Heater Current ..., [2]

    10 A

    Heater Current ..., 0.6 = 10% Amperes

  • Grid # [1]

    1 pF

    Grid #1 to all other electrodes 7.5 ppf

  • Grid # [2]

    7.5 pF

    Grid #1 to all other electrodes 7.5 ppf

  • Minimum Useful Screen Diameter

    415

    Minimum Useful Screen Diameter . 415

  • Positive voltage on D1 deflects beam approx, toward Pin #

    4

    Positive voltage on D1 deflects beam approx, toward Pin #4

  • Positive voltage on D3 deflects beam approx. toward Pin #

    1

    Positive voltage on D3 deflects beam approx. toward Pin #1

  • Anode Voltage (A2} .e revenimenine

    2750 V

    Anode Voltage (A2} .e revenimenine 2750 Volts DC

  • Anode (A2) Input ... w

    6

    Anode (A2) Input ... w 6 Watts

  • Anode # [1]

    1 V

    Anode #1 (Focusmg Electrode) VOLLAZE ...oovvrrcceernrsorsmmsmsmsssssmsresssssecse 1100 Volts

  • Anode # [2]

    1100 V

    Anode #1 (Focusmg Electrode) VOLLAZE ...oovvrrcceernrsorsmmsmsmsssssmsresssssecse 1100 Volts

  • Grid #

    1

    Grid #1 (G1) Voltage

  • Heater positive with respect to cathode

    140 V

    Heater positive with respect to cathode 140 Volts

  • Peak Voltage between Anode # [1]

    2 V

    Peak Voltage between Anode #2 and any deflecting plate ... 550 Volts

  • Peak Voltage between Anode # [2]

    550 V

    Peak Voltage between Anode #2 and any deflecting plate ... 550 Volts

  • Focusing Electrode (A1) Current for any operating condition ......cwuun.— [1]

    15 A

    Focusing Electrode (A1) Current for any operating condition ......cwuun.— 15 to =10 4 Amps

  • Focusing Electrode (A1) Current for any operating condition ......cwuun.— [2]

    10 A

    Focusing Electrode (A1) Current for any operating condition ......cwuun.— 15 to =10 4 Amps

  • Focusing Electrode (A1) Current for any operating condition ......cwuun.— [3]

    4 A

    Focusing Electrode (A1) Current for any operating condition ......cwuun.— 15 to =10 4 Amps

  • Spot position, undeflected (NOLE [1]

    1 mm

    Spot position, undeflected (NOLE 1) i ssss e i 10 Max, mm

  • Spot position, undeflected (NOLE [2]

    10 mm

    Spot position, undeflected (NOLE 1) i ssss e i 10 Max, mm

  • Al Voltage [1]

    17

    Al Voltage 17% to 32% of A2 Voltage

  • Al Voltage [2]

    32

    Al Voltage 17% to 32% of A2 Voltage

  • Published value [1]

    3

    3 70 0F. A2 Voltage (Note 2)

  • Published value [2]

    70

    3 70 0F. A2 Voltage (Note 2)

  • Published value [3]

    0

    3 70 0F. A2 Voltage (Note 2)

  • Published value [4]

    2

    3 70 0F. A2 Voltage (Note 2)

  • Anode Voltage (A2) [1]

    1000 V

    Anode Voltage (A2) 1000 1500 2000 Volts

  • Anode Voltage (A2) [2]

    1500 V

    Anode Voltage (A2) 1000 1500 2000 Volts

  • Anode Voltage (A2) [3]

    2000 V

    Anode Voltage (A2) 1000 1500 2000 Volts

  • Focusing Electrode Voltage (A1) [1]

    170 V

    Focusing Electrode Voltage (A1) 170-320 260-480 340-640 Volts

  • Focusing Electrode Voltage (A1) [2]

    -320 V

    Focusing Electrode Voltage (A1) 170-320 260-480 340-640 Volts

  • Focusing Electrode Voltage (A1) [3]

    260 V

    Focusing Electrode Voltage (A1) 170-320 260-480 340-640 Volts

  • Focusing Electrode Voltage (A1) [4]

    -480 V

    Focusing Electrode Voltage (A1) 170-320 260-480 340-640 Volts

  • Focusing Electrode Voltage (A1) [5]

    340 V

    Focusing Electrode Voltage (A1) 170-320 260-480 340-640 Volts

  • Focusing Electrode Voltage (A1) [6]

    -640 V

    Focusing Electrode Voltage (A1) 170-320 260-480 340-640 Volts

  • Grid # [1]

    1 V

    Grid #1 Voltage (Note 2) —45 —67.5 —90 Volts

  • Grid # [2]

    2 V

    Grid #1 Voltage (Note 2) —45 —67.5 —90 Volts

  • Grid # [3]

    -45 V

    Grid #1 Voltage (Note 2) —45 —67.5 —90 Volts

  • Grid # [4]

    -67.5 V

    Grid #1 Voltage (Note 2) —45 —67.5 —90 Volts

  • Grid # [5]

    -90 V

    Grid #1 Voltage (Note 2) —45 —67.5 —90 Volts

  • Deflection Factor D1-D2 [1]

    24 V

    Deflection Factor D1-D2 24-32 36-48 48-64 Volts DC/in

  • Deflection Factor D1-D2 [2]

    -32 V

    Deflection Factor D1-D2 24-32 36-48 48-64 Volts DC/in

  • Deflection Factor D1-D2 [3]

    36 V

    Deflection Factor D1-D2 24-32 36-48 48-64 Volts DC/in

  • Deflection Factor D1-D2 [4]

    -48 V

    Deflection Factor D1-D2 24-32 36-48 48-64 Volts DC/in

  • Deflection Factor D1-D2 [5]

    48 V

    Deflection Factor D1-D2 24-32 36-48 48-64 Volts DC/in

  • Deflection Factor D1-D2 [6]

    -64 V

    Deflection Factor D1-D2 24-32 36-48 48-64 Volts DC/in

  • Deflection Factor D3-D4 [1]

    13.5 V

    Deflection Factor D3-D4 13.5-18.5 21-28 27-37 Volts DC/in

  • Deflection Factor D3-D4 [2]

    -18.5 V

    Deflection Factor D3-D4 13.5-18.5 21-28 27-37 Volts DC/in

  • Deflection Factor D3-D4 [3]

    21 V

    Deflection Factor D3-D4 13.5-18.5 21-28 27-37 Volts DC/in

  • Deflection Factor D3-D4 [4]

    -28 V

    Deflection Factor D3-D4 13.5-18.5 21-28 27-37 Volts DC/in

  • Deflection Factor D3-D4 [5]

    27 V

    Deflection Factor D3-D4 13.5-18.5 21-28 27-37 Volts DC/in

  • Deflection Factor D3-D4 [6]

    -37 V

    Deflection Factor D3-D4 13.5-18.5 21-28 27-37 Volts DC/in

  • Grid # [1]

    1

    Grid #1 Circuit Resistance . s8R AR A e A RO 1.5 Megohms

  • Grid # [2]

    1.5

    Grid #1 Circuit Resistance . s8R AR A e A RO 1.5 Megohms

  • Resistance in any Deflecting Electrode Circuit (NOte [1]

    3

    Resistance in any Deflecting Electrode Circuit (NOte 3) v 5 Megohms

  • Resistance in any Deflecting Electrode Circuit (NOte [2]

    5

    Resistance in any Deflecting Electrode Circuit (NOte 3) v 5 Megohms

  • Published value

    1

    1. With Deflecting Electrodes connected to Anode (A2).

  • Published value

    2

    2. For visual extinction of undeflected focused spot.

  • Published value

    3

    3. The resistance in each deflecting electrode circuit should be approximately equel.

Data set 03

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater Voltage

    6.3 V

  • Heater Current

    600 mA

    Nominal; ±10%

  • Focusing Method

    Electrostatic text

  • Deflection Method

    Electrostatic text

  • Fluorescence

    Green text

  • Persistence

    Medium text

  • Grid-to-All Capacitance

    6 pF

    Approximate

  • Deflection Plates 1-2 Capacitance

    3.5 pF

    Approximate

  • Deflection Plates 3-4 Capacitance

    3 pF

    Approximate

  • Deflecting Plate 1-to-All Capacitance

    10 pF

    Approximate

  • Deflecting Plate 2-to-All Capacitance

    6.5 pF

    Approximate

  • Deflecting Plate 3-to-All Capacitance

    1.5 pF

    Approximate

  • Deflecting Plate 4-to-All Capacitance

    5 pF

    Approximate

  • Maximum Undeflected Spot Displacement

    10 mm

Other

  • Maximum Anode2 Voltage

    2750 V

  • Maximum Anode1 Voltage

    1100 V

  • Maximum Grid Negative Bias

    220 V

  • Maximum Grid Positive Peak

    2 V

  • Maximum Heater-Cathode Voltage

    140 V

    EitherPolarity

  • Maximum Anode2-to-Deflection-Plate Voltage

    550 V

  • Anode2 Voltage

    2000 V

  • Focus Voltage Minimum

    340 V

    Anode1

  • Focus Voltage Maximum

    640 V

    Anode1

  • Maximum Grid Cutoff Voltage

    -90 V

  • Deflection Factor Plates 1-2 Minimum

    48 V/in

  • Deflection Factor Plates 1-2 Maximum

    64 V/in

  • Deflection Factor Plates 3-4 Minimum

    27 V/in

  • Deflection Factor Plates 3-4 Maximum

    37 V/in

  • Maximum Grid Circuit Resistance

    1.5 Mohm

  • Maximum Deflection Circuit Resistance

    5 Mohm