Data set 01
1960 CBS Hytron
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Series Heater Voltage
12.6 V
Series Heater Current
175 mA
Parallel Heater Voltage
6.3 V
Parallel Heater Current
350 mA
Voltage - Dual Triode (similar) ·Triode-Triode
7318
Reliable twin triode designed specifically for pulse amplification, distinguished by extremely fast cathode warm-up and paired sections for pulse and switching circuitry.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 12.6 V / 175 mA
Description
The CBS 7318 is a reliable dual triode for pulse amplification with extremely fast cathode warm-up.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 175 mA
- Parallel heater voltage
- 6.3 V
- Parallel heater current
- 350 mA
- Series capable
- Yes
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 330 V
- Max plate dissipation
- 3 W
- Max grid dissipation
- 0.6 W
- Max cathode current
- 22 mA
Representative pulse-amplifier triode section. Maximum grid dissipation 0.60 W per section applies to pulse-modulator service, per CBS-Hytron 7318 datasheet (September 1958); operating-mode-specific rating.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 330 V
- Max plate dissipation
- 3 W
- Max grid dissipation
- 0.6 W
- Max cathode current
- 22 mA
Second physical triode. Maximum grid dissipation 0.60 W per section applies to pulse-modulator service, per CBS-Hytron 7318 datasheet (September 1958); operating-mode-specific rating.
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.