Tube cross-reference
1AF5 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1AF5 voltage pentode or tetrode (with diode). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 1AF5
The following tubes are recorded as possible replacements for 1AF5. This direction does not establish that 1AF5 can replace them.
Voltage Radio Detector Converter
The database records DAF96 as a possible replacement for1AF5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (with diode) | Voltage Radio Detector Converter |
| Construction | Diode-Pentode | Diode-Pentode |
| Base | 6AU | B7G |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1AH5 as a possible replacement for1AF5.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (with diode) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Diode-Pentode | Diode-Pentode |
| Base | 6AU | TDJ |
| Socket | B7G | Not recorded |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1S5 as a possible replacement for1AF5.
- Parallel heater circuits only
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (with diode) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Diode-Pentode | Diode-Pentode |
| Base | 6AU | 6AU |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.05 A |
Where 1AF5 can be used as the replacement
In these recorded relationships, 1AF5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1AF5.
Voltage Pentode or Tetrode (under 100V)
The database records 1AF5 as a possible replacement for1AH5.
No special restrictions are recorded for this substitution.
| Specification | 1AF5 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (with diode) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Diode-Pentode | Diode-Pentode |
| Base | 6AU | TDJ |
| Socket | B7G | Not recorded |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 A |
Voltage Pentode or Tetrode (under 100V)
The database records 1AF5 as a possible replacement for1S5.
- Parallel heater circuits only
| Specification | 1AF5 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode or Tetrode (with diode) | Voltage Pentode or Tetrode (under 100V) |
| Construction | Diode-Pentode | Diode-Pentode |
| Base | 6AU | 6AU |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 2 | 2 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.05 A |
Verify before substituting
Matching a base or heater voltage is not enough to prove that two tubes are interchangeable. Check pin connections, heater current, maximum ratings, bias requirements, warm-up behavior, and the equipment manufacturer’s service documentation before making a substitution.
View the complete 1AF5 specifications →