Tube cross-reference
38HK7 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 38HK7 rectifier - damper diode. Compare core specifications and verify every restriction before using a replacement.
Exact variations of 38HK7
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.
38HE7 Rectifier - Damper Diode
- Base
- 12FS
- Socket
- B12C
- Base pins
- 12
- Sections
- 2
- Heater voltage
- 37.8 V
- Heater current
- 0.45 A
Replacement tubes for 38HK7
The following tubes are recorded as possible replacements for 38HK7. This direction does not establish that 38HK7 can replace them.
Rectifier - Damper Diode
The database records 38HE7 as a possible replacement for38HK7.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Rectifier - Damper Diode | Rectifier - Damper Diode |
| Construction | BeamPower-Diode | BeamPower-Diode |
| Base | Not recorded | 12FS |
| Socket | B12C | B12C |
| Base pins | 12 | 12 |
| Sections | 2 | 2 |
| Heater voltage | 37.8 V | 37.8 V |
| Heater current | 0.45 A | 0.45 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 38HK7 specifications →