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DH147 Pinout
basing pinout


DH147 Substitutes
Close or identical AR21, CV1055, CV352, DDT6S, EBC33, OM4, TABC33, VR55

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.


DH147 Ratings
Vh Ih
6.3 0.2


DH147 Application Data
Va Vg1 Ia Ra S
250 -5.5 5.0 15,000 2.0


DH147 Data sheet links
National Valve Museum EBC33: html2  OM4: html
oldradio.qrz.ru EBC33: MK buizen handboek
Frank Philipse (Pocnet mirror - Patrik Schindler) EBC33: EBC33.pdf (179686 bytes), EBC33.pdf (58061 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) EBC33: EBC33.pdf (179686 bytes), EBC33.pdf (58061 bytes)

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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