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Voltage Pentode ·Pentode

210SPT

Cossor receiving pentode intended for receiver and amplifier service; available source does not clearly support a narrower functional category.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7
Base pins
7
Nominal heater
2 V / 100 mA

Description

Cossor 210SPT pentode for receiver/amplifier service as specified in the supplied catalogue datasheet.

Socket description

Medium 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7
Base pins
7
Nominal heater voltage
2 V
Nominal heater current
100 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.0013 S
Max plate voltage
150 V
Max screen voltage
80 V

Published ratings and characteristics promoted from approved datasheet.

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.

No source-specific operating conditions are recorded.