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Tube Rectifier Current
Posted:
Sat Aug 04, 2012 1:15 pmby skidave
Anyone measure or know the current being pulled by a stock ST-70 circuit through the rectifier tube?
Thanks
Posted:
Sat Aug 04, 2012 3:27 pmby Geek
With stock biasing? Just over 200mA. Can peak 300 if you push it hard enough.
Cheers!
Posted:
Sat Aug 04, 2012 6:50 pmby skidave
Thanks!
Posted:
Mon Aug 06, 2012 4:53 amby burnedfingers
NJ7P SQL Tube Database Query
--------------------------------------------------------------------------------5AR4Full-Wave Vacuum Rectifier
EIA Base & Outline
Source ........................................ RCA RC-27 - 1973ApplicationSource ........................................ RCA RC-27 - 1973Glass octal type used in power supplies tv receivers and other equipment having high dc requirements. Requires octal socket.
Mechanical Data
Source ........................................ RCA RC-27 - 1973Bulb .......................................... T-11Base Type ..................................... Octal 5-PinMaximum Overall Height ........................ 3-25/64 In.Maximum Seated Height ......................... 1-1/2 In.EIA Base ...................................... 5DACathode ....................................... Coated UnipotentialMounting Position ............................. AnyElectrical Data
Source ........................................ RCA RC-27 - 1973Heater Voltage ................................ 5.0 VHeater Current ................................ 1.9 AMaximum Ratings (Design Center Values)Each DiodeSource ........................................ RCA RC-27 - 1973Peak Inverse Plate Voltage .................... 1500 VCharacteristics and Typical OperationRectifierSource ........................................ RCA RC-27 - 1973AC Plate Supply Voltage Each Plate (RMS) ...... 225 VEffective Plate Supply Impedance Each Plate ... 160 ΩDC Output Current ............................. 225 mADC Output Voltage ............................. 475 VRectifierSource ........................................ RCA RC-27 - 1973AC Plate Supply Voltage Each Plate (RMS) ...... 275 VEffective Plate Supply Impedance Each Plate ... 200 ΩDC Output Current ............................. 160 mADC Output Voltage ............................. 620 VRectifierSource ........................................ RCA RC-27 - 1973AC Plate Supply Voltage Each Plate (RMS) ...... 225 VInput Inductor ................................ 10 HDC Output Current ............................. 250 mADC Output Voltage ............................. 375 VRectifierSource ........................................ RCA RC-27 - 1973AC Plate Supply Voltage Each Plate (RMS) ...... 275 VInput Inductor ................................ 10 HDC Output Current ............................. 225 mADC Output Voltage ............................. 465 V