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PF86 Pinout
basing pinout

 

PF86 Substitutes
Close or identical 4CF8, 4HR8

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.

 

PF86 Ratings
Vh
V
Ih
A
VaMax
V
Vg2Max
V
PaMax
W
Pg2Max
W
Cgk
pF
Cak
pF
Cga
pF
4.5 0.3 300 200 1.0 0.2 3.5 5.0 0.05

 

PF86 Application Data
Class Va
V
Vg2
V
Vg1
V
Ia
mA
Ig2
mA
Ra
Ω
S
mA/V
A 250 140 -2.0 3.0 0.6 2,500,000 2.0

 

PF86 Data sheet links
oldradio.qrz.ru PF86: MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 4HR8: 2HR8.pdf (62767 bytes)  PF86: PF86.pdf (135086 bytes), PF86.pdf (284653 bytes) (cs), PF86.pdf (337095 bytes) (fr), PF86.pdf (85663 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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Version: PHP release 1.16 22-Jan-2025