Tube cross-reference

5Z4 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 5Z4 rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 5Z4

The following tubes are recorded as possible replacements for 5Z4. This direction does not establish that 5Z4 can replace them.

GZ30

Rectifier - Full Wave

Foreign To American

The database records GZ30 as a possible replacement for5Z4.

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	5L	Not recorded
Socket	IO	IO
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

GZ32

Rectifier - Full Wave

Foreign To American

The database records GZ32 as a possible replacement for5Z4.

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	5L	Not recorded
Socket	IO	IO
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2.3 A

GZ33

Rectifier - Full Wave

Foreign To American

The database records GZ33 as a possible replacement for5Z4.

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	5L	Not recorded
Socket	IO	IO
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	3 A

GZ34

Rectifier - Full Wave

Foreign To American

The database records GZ34 as a possible replacement for5Z4.

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	5L	Octal
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	1.9 A

U54

Rectifier - Full Wave

Foreign To American

The database records U54 as a possible replacement for5Z4.

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	5L	Not recorded
Socket	IO	IO
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2.8 A

U77

Rectifier - Full Wave

Foreign To American

The database records U77 as a possible replacement for5Z4.

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	5L	Not recorded
Socket	IO	Not recorded
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	1.9 A

6087

Rectifier - Full Wave

Receiving To Industrial Tubes

The database records 6087 as a possible replacement for5Z4.

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	5L	5L
Socket	IO	IO
Base pins	4	5
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5AR4

Rectifier - Full Wave

Receiving Tubes

The database records 5AR4 as a possible replacement for5Z4.

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	5L	5DA
Socket	IO	IO
Base pins	4	5
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	1.9 A

5V4G

Rectifier - Full Wave

Receiving Tubes

The database records 5V4G as a possible replacement for5Z4.

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	5L	5L
Socket	IO	IO
Base pins	4	4
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5V4GA

Rectifier - Full Wave

Receiving Tubes

The database records 5V4GA as a possible replacement for5Z4.

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	5L	5L
Socket	IO	Not recorded
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5Z4G

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4G as a possible replacement for5Z4.

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	5L	Not recorded
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5Z4GT

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4GT as a possible replacement for5Z4.

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	5L	5L
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

Where 5Z4 can be used as the replacement

In these recorded relationships, 5Z4 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5Z4.

5W4

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5W4.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	5T
Socket	IO	IO
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	1.5 A

5W4G

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5W4G.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	Not recorded
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	1.5 A

5W4GT

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5W4GT.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	5T
Socket	IO	Not recorded
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	1.5 A

5Y3G

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5Y3G.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	5T
Socket	IO	IO
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5Y3GA

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5Y3GA.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	5T
Socket	IO	Not recorded
Base pins	4	Not recorded
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5Y3GT

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5Y3GT.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	5T
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5Z4G

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5Z4G.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	Not recorded
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 A	2 A

5Z4GT

Rectifier - Full Wave

Receiving Tubes

The database records 5Z4 as a possible replacement for5Z4GT.

No special restrictions are recorded for this substitution.

Specification	5Z4 replacement	Original tube
Tube type	Rectifier - Full Wave	Rectifier - Full Wave
Construction	Rectifier-Rectifier	Rectifier-Rectifier
Base	5L	5L
Socket	IO	IO
Base pins	4	8
Sections	2	2
Heater voltage	5 V	5 V
Heater current	2 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 5Z4 specifications →