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The 2E24 is the designation of a quick-heating, transmitting, beam power amplifier designed for mobile and emergency communications equipment.

Requiring relatively low plate voltage, the 2E24 has a maximum plate input of 30 Watts (CCS) or 40 Watts (ICAS) in class C telegraph service. In such service, it can deliver 20 Watts (CCS) at a plate voltage as low as 400 Volts, or 27 Watts (ICAS) at 600 Volts, with a driving power at the tube of only 0.2 Watt.

The 2E24 can be operated at maximum ratings to 125 MHz and at reduced plate voltage and input to 175 MHz.

The filament is oxide coated type and requires only 0.65 A at 6.3 Volts.

References: Data-sheet & Electronic Engineering, February 1946. Type 2E24 was first introduced in 1946. See also 1946 adverts.

Pin Connections

Absolute Maximum Operating Conditions^¶

Thanks to Frank Philipse for supplying the above PDF datasheet.