Tube cross-reference
DF97 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the DF97 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of DF97
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
1AN5 Voltage Pentode - Remote Cutoff (single)
- Base
- Not recorded
- Socket
- B7G
- Base pins
- 7
- Sections
- 1
- Heater voltage
- 1.4 V
- Heater current
- 0.025 A
Replacement tubes for DF97
The following tubes are recorded as possible replacements for DF97. This direction does not establish that DF97 can replace them.
Voltage Pentode - Remote Cutoff (single)
The database records 1AN5 as a possible replacement forDF97.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 A |
Where DF97 can be used as the replacement
In these recorded relationships, DF97 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DF97.
Voltage Pentode - Remote Cutoff (single)
The database records DF97 as a possible replacement for1AN5.
No special restrictions are recorded for this substitution.
| Specification | DF97 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Remote Cutoff (single) | Voltage Pentode - Remote Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B7G | B7G |
| Base pins | 7 | 7 |
| Sections | 1 | 1 |
| Heater voltage | 1.4 V | 1.4 V |
| Heater current | 0.025 A | 0.025 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 DF97 specifications →