from 6/8/98
back to my home page and other projects

Mosfet amplifiers

  • Power Follower by A. Ciuffoli
  • Power Follower with Dinamic Current Source by Reinhard Haffmann

  •   (but this dinamic current will destroy the sound of power follower)
  • Pass Zen amplfier circuit
  • Pass Zen amplfier circuit version 2
  • 5.5 watt single ended very simple from MJ
  • IGBT amplifier by Toshiba application notes from ELECTRONICS WORLD 
  • Mosfet amplifier 70W in AB class with UHCMOS by Kaneda from MJ 6/96 
  • Mosfet amplifier 69W 8ohm - 115W 4ohm in AB class by Kaneda from MJ 9/96 

    Many other hi-end mosfet and transistor amplifiers on
  • PASS LABORATORIES _HOME PAGE_

  • Loudspeaker Protection circuit

    Loudspeaker protection circuit - from ELEKTUUR halfgeleidergids jun/aug 1991
  • schematics
  • components list
  • original population guide and layout
  • My population guide
  • My layout

  • Good & Frequently Adopted BJT and MOSFET

  • Table of comparation on the new japan and old motorola
  • New Toshiba transistors for Audio

    To read .pdf files to read the japanese pdf documents you need to download also the Asian Font Pack

    model type builder Vce or Vds max Ic or Id max Ft or ton Pd other
    MJ15003 NPN Motorola 140v 20A 2MHz 250w hfe=25
    MJ15004 PNP Motarola 140v 20A 2MHz 250w hfe=25
    MJ15022 NPN Motorola 200v 15A 4MHz 250w hfe=15
    MJ15023 PNP Motarola 200v 15A 4MHz 250w hfe=15
    MJ15024 NPN Motorola 250v 15A 4MHz 250w hfe=15
    MJ15025 PNP Motarola 250v 15A 4MHz 250w hfe=15
    MJL3281A NPN Motorola 200v 15A 30MHz 200w hfe=60-175
    MJL1302A PNP Motarola 200v 15A 30MHz 200w hfe=60-175
    MJL21193 PNP Motorola 250v 16A 4MHz 200w hfe=25
    MJL21194 NPN Motarola 250v 16A 4MHz 200w hfe=25
    MJL21195 PNP Motorola 250v 16A 4MHz 200w hfe=25
    MJL21196 NPN Motarola 250v 16A 4MHz 200w hfe=25
    2SA1930 PNP Toshiba 180v 2A 200MHz 20w hfe 100-320 
    2SA5171 NPN Toshiba 180v 2A 200MHz 20w hfe 100-320 
    2SA1986 PNP Toshiba 230v 15A 30MHz 150w hfe 55-160 
    2SC5358 NPN Toshiba 230v 15A 30MHz 150w hfe 55-160 
    2SA1987 PNP Toshiba 230v 15A 30MHz 180w hfe 55-160 
    2SC5359 NPN Toshiba 230v 15A 30MHz 180w hfe 55-160 
    2SA1302 PNP Toshiba 200v 15A 25MHz 150w hfe 55-160 
    2SC3281 NPN Toshiba 200v 15A 25MHz 150w hfe 55-160 
    2SC3264 NPN Sanken 230v 17A 60MHz 150w
    2SA1295 PNP Sanken 160v 17A 60MHz 230w
    2SC2921 NPN Sanken 160v 15A 50MHz 150w
    2SA1215 PNP Sanken 160v 15A 50MHz 150w
    2SC2922 NPN Sanken 180v 17A 50MHz 200w 
    2SA1216 PNP Sanken 180v 17A 50MHz 200w 
    2SC2774 PNP Sanken 200v 17A 20MHz 200w 
    2SA1170 NPN Sanken 200v 17A 20MHz 200w 
    MJE15028 NPN Motorola 120v 8A 30MHz 50w hfe=20-40
    MJE15029 PNP Motarola 120v 8A 30MHz 50w hfe=20-40
    MJE15030 NPN Motorola 150v 8A 30MHz 50w hfe=20-40
    MJE15031 PNP Motarola 150v 8A 30MHz 50w hfe=20-40
    MJE15032 NPN Motorola 250v 8A 30MHz 50w hfe=20-40
    MJE15033 PNP Motarola 250v 8A 30MHz 50w hfe=20-40
    2SA1837 PNP Toshiba 230v 1A 70MHz 20w hfe=100-320
    2SC4793 NPN Toshiba 230v 1A 70MHz 20w hfe=100-320
    GT20D101 IGBT Toshiba 250v 20A 180w cin=1400pF 
    GT20D201 IGBT Toshiba 250v 20A 180w cin=1450pF 
    2SK1529 NMOS Toshiba 180v 10A 120w Vds(off)=0.8-2.8v cin=1500pF 
    2SJ200 PMOS Toshiba 180v 10A 120w Vds(off)=0.8-2.8v cin=1500pF 
    2SK1530 NMOS Toshiba 200v 12A 150w Vds(off)=0.8-2.8v cin=1700pF 
    2SJ201 PMOS Toshiba 200v 12A 150w Vds(off)=0.8-2.8v cin=1700pF 
    2SK405 NMOS ? 160v 8A 100w class A 
    2SJ115 PMOS ? 160v 8A 100w class A 
    2SK1058 NMOS Toshiba 80v 7A 200ns 100w cin=600pF 
    2SJ162  PMOS Toshiba 80v 7A 200ns 100w cin=900pF 
    2SK135 NMOS Toshiba 160v 7A 100w ron=1.7 cin=600pF 
    2SJ50 PMOS Toshiba 160v 7A 100w ron=1.7 cin=900pF 
    IRF240 NMOS IRF 200v 18A 125w ron=0.18 
    IRF9240 PMOS IRF 200v 11A 125w ron=0.4 
    IRF522  NMOS IRF 100v 4A 80ns 40w ron=0.4 
    IRF9532 PMOS IRF 100v 6A 100ns 75w ron=0.4 
    2SK213 NMOS Toshiba 140v 0.5A 20/30ns 30w 
    2SK214 NMOS Toshiba 160v 0.5A 20/30ns 30w 
    2SK215 NMOS Toshiba 180v 0.5A 20/30ns 30w 
    2SK216 NMOS Toshiba 200v 0.5A 20/30ns 30w 
    2SJ76 PMOS Toshiba 140v 0.5A 20/30ns 30w 
    2SJ77 PMOS Toshiba 160v 0.5A 20/30ns 30w 
    2SJ78 PMOS Toshiba 180v 0.5A 20/30ns 30w 
    2SJ79 PMOS Toshiba 200v 0.5A 20/30ns 30w 


    If you need more specifications please contact me; I have a number of data sheet for the devices above. ! 

    Other

  • Comparation table of audio capacitors from HiFi Luidsprekers 
  • Comparation table of audio capacitors price by A. Ciuffoli 

  • Andrea Ciuffoli
    via degli Zingari 50
    00184 Rome
    ITALY
    email: