Data set 01
195X Raytheon Special Purpose Tubes
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Grid 1 bias
Rk200
Cathode resistor bias
Plate current
7 mA
Screen current
2 mA
Voltage Pentode - Sharp Cutoff (single) ·Pentode
CK6186
Pentode designed for radio-frequency or wide-band amplifier service in receiving or electronic equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7BD
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 300 mA
Description
Raytheon reliable miniature pentode intended for RF amplifier, with published plate, screen, current, and transconductance data.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7BD
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7BD - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1G1 | A | G1 — Control Grid EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN2G3 | A | G3 — Suppressor GridGroup 7BD2 EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN2IS | A | IS — Internal ScreenGroup 7BD2 EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN2K | A | K — CathodeGroup 7BD2 EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN3H | — | H — Heater EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN4H | — | H — Heater EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN5P | A | P — Plate (Anode) EIA chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN6G2 | A | G2 — Screen Grid EIA chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN7G3 | A | G3 — Suppressor GridGroup 7BD7 EIA chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN7IS | A | IS — Internal ScreenGroup 7BD7 EIA chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
| PIN7K | A | K — CathodeGroup 7BD7 EIA chart transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 128, 7BD |
Section ratings
1 physical section, each with unique specifications.
Section 1
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 800000 Ω
- Transconductance
- 0.005 S
- Max plate voltage
- 250 V
- Max screen voltage
- 150 V
Published reliable miniature tube characteristics.
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.