Tube cross-reference

5AR4 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 5AR4 rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 5AR4

The following tubes are recorded as possible replacements for 5AR4. This direction does not establish that 5AR4 can replace them.

GZ30

Rectifier - Full Wave

Foreign To American

The database records GZ30 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

GZ32

Rectifier - Full Wave

Foreign To American

The database records GZ32 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2.3 A

GZ33

Rectifier - Full Wave

Foreign To American

The database records GZ33 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	3 A

GZ34

Rectifier - Full Wave

Foreign To American

The database records GZ34 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Octal
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.9 A

GZ37

Rectifier - Full Wave

Foreign To American

The database records GZ37 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	Not recorded
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2.8 A

U54

Rectifier - Full Wave

Foreign To American

The database records U54 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2.8 A

U77

Rectifier - Full Wave

Foreign To American

The database records U77 as a possible replacement for5AR4.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	Not recorded
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.9 A

Where 5AR4 can be used as the replacement

In these recorded relationships, 5AR4 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5AR4.

GZ34

Rectifier - Full Wave

American To Foreign

The database records 5AR4 as a possible replacement forGZ34.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Octal
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.9 A

GZ37

Rectifier - Full Wave

American To Foreign

The database records 5AR4 as a possible replacement forGZ37.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	Not recorded
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2.8 A

U54

Rectifier - Full Wave

American To Foreign

The database records 5AR4 as a possible replacement forU54.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2.8 A

U77

Rectifier - Full Wave

American To Foreign

The database records 5AR4 as a possible replacement forU77.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	Not recorded
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.9 A

5AX4GT

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5AX4GT.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	IO
Base pins	5	5
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2.5 A

5T4

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5T4.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5U4G

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5U4G.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	3 A

5V4G

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5V4G.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5L
Socket	IO	IO
Base pins	5	4
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5V4GA

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5V4GA.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5L
Socket	IO	Not recorded
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5W4

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5W4.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.5 A

5W4G

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5W4G.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.5 A

5W4GT

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5W4GT.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	Not recorded
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	1.5 A

5Y3G

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Y3G.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	IO
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5Y3GA

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Y3GA.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	Not recorded
Base pins	5	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5Y3GT

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Y3GT.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5T
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5Z4

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Z4.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5L
Socket	IO	IO
Base pins	5	4
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5Z4G

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Z4G.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	Not recorded
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 A

5Z4GT

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Z4GT.

No special restrictions are recorded for this substitution.

Specification	5AR4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5DA	5L
Socket	IO	IO
Base pins	5	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	1.9 A	2 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 5AR4 specifications →