Skip to main content

Specialized - Cathode Ray ·CathodeRay

16LP4

Direct-view cathode-ray picture tube documented by manufacturer data for type 16LP4; available extracted technical detail is limited, so the description remains conservative.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
12N
Socket code
DUODECAL5
Base pins
5
Nominal heater
6.3 V / 600 mA

Description

Direct-view cathode-ray picture tube intended for television display service. The supplied Tung-Sol datasheet was used for its electrical ratings, operating conditions, capacitances, optical data, and construction details.

Socket description

Small-shell Duodecal 5-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12N
Socket code
DUODECAL5
Base pins
5
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12N - 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
Max plate voltage
4000 V
Max screen voltage
41 V

CRT-specific anode/focus/deflection ratings retained as parameters rather than mapped to ordinary plate/screen fields.

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Maximum Anode Voltage

    14000 V

  • Typical Anode Voltage

    12000 V

  • Maximum Grid2 Voltage

    410 V

  • Typical Grid2 Voltage

    300 V

Characteristic

  • DeflectionAngleApproximate

    62 degree

  • FocusingMethod

    Magnetic

  • DeflectingMethod

    Magnetic

  • PhosphorNumber

    4

  • FluorescentColor

    White

  • Persistence

    Medium

Data set 02

1966 Tung Sol Electronic Tubes 4 of 4

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • E XTE P,NAL DOUBLE FIELD ION TRAP — value 1

    4

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • E XTE P,NAL DOUBLE FIELD ION TRAP — value 2

    1

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • E XTE P,NAL DOUBLE FIELD ION TRAP — value 3

    2

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • DEFLECTION ANGLE (APPROX.)

    5 degrees

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • HEATER

    6 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • DC GRID #2 VOLTAGE

    2 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • DC FOCUSING COIL CURRENT (APPROX.J B

    11 mA

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • DC ION TRAP CURRENT STANDARD COIL #108 (APPROX.) — value 1

    108 mA

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • DC ION TRAP CURRENT STANDARD COIL #108 (APPROX.) — value 2

    12 mA

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • BFOR STANDARD FO LUS COIL 1106, OR EQUIVALENT. WITH THE COMBINED G0.1D W1 BIAS VOLTAGE 0.ND VI OEO — value 1

    1106 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • BFOR STANDARD FO LUS COIL 1106, OR EQUIVALENT. WITH THE COMBINED G0.1D W1 BIAS VOLTAGE 0.ND VI OEO — value 2

    0 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • SIGNAL VOLTAGE ADJUSTED TO PRODUCE A MIGNLI GHT BRIGHTNESS OF 20 FOOT LAM8ERT5 ON A 10 1/4" BT — value 1

    10 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • SIGNAL VOLTAGE ADJUSTED TO PRODUCE A MIGNLI GHT BRIGHTNESS OF 20 FOOT LAM8ERT5 ON A 10 1/4" BT — value 2

    1 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • SIGNAL VOLTAGE ADJUSTED TO PRODUCE A MIGNLI GHT BRIGHTNESS OF 20 FOOT LAM8ERT5 ON A 10 1/4" BT — value 3

    4 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • 14 1/2" PICTURE SIZE. DISTANCE FROM REFERENCE LI XE TO CENTER OF AIR GAP ON FOCUS COIL SHALL BE — value 1

    14

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • 14 1/2" PICTURE SIZE. DISTANCE FROM REFERENCE LI XE TO CENTER OF AIR GAP ON FOCUS COIL SHALL BE — value 2

    1

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • 14 1/2" PICTURE SIZE. DISTANCE FROM REFERENCE LI XE TO CENTER OF AIR GAP ON FOCUS COIL SHALL BE — value 3

    2

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

Other

  • MAXIMUM DC ANODE

    4000 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • MAXIMUM OC GRID #2 VOLTAGE — value 1

    2 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • MAXIMUM OC GRID #2 VOLTAGE — value 2

    41 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • MAXIMUM GRID #1 VOLTAGE

    1 V

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.

  • MAXIMUM GRID #1 CIRCUIT RESISTANCE

    1 mA

    Published CRT datasheet value; multiple values on a row represent the source table's separate conditions/limits.