6FJ7

Name: 6FJ7
Brand: RCA

Compound (multi-section) — Duodekal — RCA

Data: HighHigh quality — base, heater, all universal parameters present, and ≥50% of desirable parameters filled in. Safe to use for design decisions.

↗ TDSL ↗ Radiomuseum

Known Equivalents & Substitutes

No known equivalents. If you know of any, use the ⚑ Report Issue button above.

Similar Tubes (Not Drop-In Compatible)

6DA7

Similar dissimilar dual triode for vertical deflection but Noval base — not pin-compatible

6EM7

Similar dissimilar dual triode for vertical deflection but Noval base — not pin-compatible

Electrical Specifications

Section 1 — Triode (Unit 1 — oscillator)

Absolute Maximum

Anode Voltage (max)Anode Voltage (max)350V

Anode Dissipation (max)Anode Dissipation (max)1W

Typical Operating

Anode Voltage (typical)Anode Voltage (typical)250V

Grid 1 Bias VoltageGrid Bias Voltage-8

Notes

Section 1 (vertical oscillator): Va max 350V, Pa max 1W, mu=22.5, gm=2500 umhos, Rp=9000Ω at Va=250V Vg=-8V Ia=8mA.
Section 2 (vertical amplifier): Va max 550V (DC), Pa max 10W, Ik max 150mA peak / 50mA avg, mu=15.4, gm=7700 umhos, Rp=2000Ω at Va=150V Vg=-9.5V.
12-pin small-button Duodecar base (JEDEC E12-70), basing designation 12BM.

Pin Layout — Duodekal

1Heater

2

References