Vacuum Tube - 5U4GB, Electro-Harmonix

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Vacuum Tube - 5U4GB, Electro-Harmonix

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Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style "big bottle" tubes.

  • Straight bottle classic design fits more applications
  • Perfect for dual rectifier amps
  • Excellent choice for both Hifi and instrument amplification
Item ID:
RoHS Compliant
Product Measurements by Type
A.C. Plate Supply Voltage550 V
A.C. Plate Supply Voltage, Capacitor Input Filter300 V
A.C. Plate Supply Voltage, Choke Input Filter550 V
Body Height4.063 in.
Capacitor Input Filter40 μF
D.C. Output Current, Capacitor Input Filter300 mA
D.C.Output Current, Choke Input Filter275 mA
D.C. Output Voltage At Filter Input, Capacitor Input Filter290 V
D.C. Output Voltage At Filter Input, Choke Input Filter420 V
Effective Plate Supply Resistance, Capacitor Input Filter21 Ω
Filament Current (If)3 A
Filament Voltage (Uf)5 V
Filter Input Choke10 H
Item Diameter1.563 in.
Item Height4.625 in.
Peak Inverse Plate Voltage1,550 V
Steady State Peak Plate Current1 A
Transient Peak Plate Current4.6 A
Packaging Information
Packaging Dimensions1.8 in. × 1.8 in. × 4.8 in.
Weight (Packaging)0.12 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet474.1 KB

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Product Reviews

5.00 out of 5 based on 1 reviews
- March 9th, 2021
5 out of 5

Seems to be a high quality tube. Working well in an older piece of ham radio gear.

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