• The swap meet forum is for private non-commercial transactions. Only unmoderated members can post here.

    diyAudio provides this forum for the convenience of our members, but makes no warranty nor assumes any responsibility. We do not vet any members. Use of this facility is at your own risk. Customers can post any issues in those threads as long as it is done in a civil manner. All diyAudio rules about conduct apply and will be enforced.

NOS FETs for sale HARRIS IRFP254+ Others

For sale: NOS original Harris 9623 datecode IRFP254

These have good SOA and nice linear transfer characteristics.

Transistor, N CH Mosfet. Max voltage: 250V. Max current: 15Amp. Dissipation: 190 Watt. Package: TO-247AC. P/N: IRFP254. Note: RDS on: 0.14 Ohm

Approx 30 available.

Asking €3 each.

Shipping Worldwide at cost.
 

Attachments

  • IRFP254.jpg
    IRFP254.jpg
    143.3 KB · Views: 123
Not mosfets this time, BF337 NPN transistors. Quite usefull for VAS duty, or tube amplifier applications.

Aksing €0.50 each, or 10 for €4

Type Designator: BF337
Material of transistor: Si
Polarity: NPN
Maximum collector power dissipation (Pc), W: 0.8
Maximum collector-base voltage |Ucb|, V: 300
Maximum collector-emitter voltage |Uce|, V: 225
Maximum emitter-base voltage |Ueb|, V: 5
Maximum collector current |Ic max|, A: 0.1
Maksimalna temperatura (Tj), °C: 200
Transition frequency (ft), MHz: 80
Collector capacitance (Cc), pF: 6
Forward current transfer ratio (hFE), min: 20
Noise Figure, dB: -
Package of BF337 transistor: TO39
 

Attachments

  • BF337.jpg
    BF337.jpg
    155.7 KB · Views: 67
BDX78 original Philips, not very special but nice vintage PNP transistors to use.

€0.25 each.

Type Designator: BDX78
Material of transistor: Si
Polarity: PNP
Maximum collector power dissipation (Pc), W: 60
Maximum collector-base voltage |Ucb|, V: 80
Maximum collector-emitter voltage |Uce|, V: 80
Maximum emitter-base voltage |Ueb|, V: 5
Maximum collector current |Ic max|, A: 8
Maksimalna temperatura (Tj), °C: 150
Transition frequency (ft), MHz: 7
Collector capacitance (Cc), pF:
Forward current transfer ratio (hFE), min: 30
Noise Figure, dB: -
Package of BDX78 transistor: TO220
 

Attachments

  • BDX78.jpg
    BDX78.jpg
    146.6 KB · Views: 36
LM385Z-2.5 Shunt voltage references.
  • ±20 mV (±0.8%) max. Initial Tolerance (A Grade)
  • Operating Current of 20 μA to 20 mA
  • 0.6Ω Dynamic Impedance (A Grade)
  • Low Temperature Coefficient
  • Low Voltage Reference—2.5V
Asking €4 for 10pc
 

Attachments

  • LM385Z-2.5.jpg
    LM385Z-2.5.jpg
    189.4 KB · Views: 38