Page 1. Page 2. Page 3. Page 4. Tube 5R4 or Röhre 5R4 ID, Full-Wave Vacuum Rectifier, Octal (, IO) K8A, USA and Power-supply shown. Radio tubes are valves. PLATE-SUPPLY RESISTANCE PER PLATE = RSEC+ N2RPRI, + RA. WHERE RSEC = DC RESISTANCE OF TRANSFORMER. * SECONDARY PER SECTION.

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Number of bids and bid amounts may be slightly out of date. A choke input filter lowers the peak current the rectifier tube must handle, and increases the overall average current that the rectifier tube can deliver.

Works or money back two weeks.

The tube tests strong and free of shorts. These tubes were recently tested on a TV-7 tube test See each listing for international shipping options and costs. However, it is not in its original box so The relatively smooth output of the filter choke is additionally filtered by capacitor C For sale is a chatham jan-cahg-5r4wga tube.

The choke input filter allows the rectifier tube to handle substantially more current than when used with a capacitor input filter.


Browse Related Browse Related. This includes poor print, oxidized pins, faint discoloration, or poorly box.

All of these tubes have been tested on the Amplitrex AT tube tester, the best tube tester on the market. The capacitor further smooths out the variations in the output of the filter choke to produce pure DC. This tube is clean and has no shadowing and label discoloration that appear with extended use. Row 1 left to right: Tested on Hickok A. This tube has a low getter.

Construction Highlights – black plates, hanging side halo getter. Power transformer T1 powers all of the power supplies in the Ranger. As used in this circuit the 5R4-GY can handle a maximum current of about mA.

SIWCR4 Datasheet(PDF) – Delta Electronics, Inc.

The 5R4-GY can handle up to mA when used with a choke input filter. You can click here for a 5R4-GY data sheet. This page was last updated: Actual rates apply to overseas shipping. If you have any questions or comments, you can send E-Mail to Dr.

5R4, Tube 5R4; Röhre 5R4 ID, Full-Wave Vacuum Rectifier

All 4 pair have similar results. Skip to main content. The tube has a directly heated cathode, which means that a separate filament winding on the power transformer must be used, since the cathode is not at ground potential.


Greg Latta at glatta frostburg. Power Transformer T1 Filament Secondary.

Also shop in Also shop in. R35 must be adjusted under the proper conditions to provide the correct voltage to the modulator screen grids. A 5R4-GY rectifier tube is used in a full wave center tapped configuration with a choke input filter. Power Transformer Dahasheet Filament Secondary: All of these tubes have a brown base and black plates.

IPZ40N04S5-5R4 Datasheet PDF

All of these tubes have been tested for transconductance, shorts, gas, leakage and life. Since vacuum tubes were made 30?. You can click here to find out how to properly adjust R Power transformer T1 also supplies the filament power to all of the tubes in the Ranger.