Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Selling
  • Saved feed
  • Saved Searches
  • Saved Sellers
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

Fairchild Industries Power Switching Voltage Regulators

More to explore

  • 10v Voltage Regulator
  • 12 Volt Adjustable Voltage Regulator
  • 18V Power Supply Indiana Power Regulators & Converters
  • High Voltage Generator
  • Voltage Regulator 220v
  • Voltage Regulator Rectifier
  • Voltage Stabilizer

breadcrumb

  • eBay
    • Business & Industrial
    • Electrical Equipment & Supplies
    • Electronic Components & Semiconductors
    • Semiconductors & Actives
  • Business & Industrial
  • Electrical Equipment & Supplies
  • Electronic Components & Semiconductors
  • Semiconductors & Actives
  • Power Regulators & Converters
  • Fairchild Industries Power Switching Voltage Regulators

Shop by category

  • Semiconductors & Actives
    • Power Regulators & Converters
    • Buzzers & Speakers
    • Development Kits & Boards
    • Diodes & Rectifiers
    • Integrated Circuits (ICs)
    • Thyristors & SCRs
    • Transistors
  • UA78L12AWC 12V, 100mA Voltage Regulator by Fairchild Semiconductor - Image 1 of 1

    UA78L12AWC 12V, 100mA Voltage Regulator by Fairchild Semiconductor

    Brand New · Fairchild Industries
    S$ 1.76
    S$ 31.51 shipping
    8⁣S⁣р⁣5⁣ ⁣T⁣o⁣A⁣ ⁣8⁣n⁣s⁣o⁣0⁣r⁣e⁣d⁣ ⁣V⁣⁣2⁣ ⁣⁣4⁣O⁣ ⁣S⁣⁣
    • FAIRCHILD - UA78P05SC – Voltage Regulator, 5V 10Amp, TO-204/TO-3 Metal. - Image 1 of 3
    • FAIRCHILD - UA78P05SC – Voltage Regulator, 5V 10Amp, TO-204/TO-3 Metal. - Image 2 of 3
    • FAIRCHILD - UA78P05SC – Voltage Regulator, 5V 10Amp, TO-204/TO-3 Metal. - Image 3 of 3

    FAIRCHILD - UA78P05SC – Voltage Regulator, 5V 10Amp, TO-204/TO-3 Metal.

    Brand New · Fairchild Industries
    S$ 39.34
    S$ 25.64 shipping
    1⁣S⁣р⁣7⁣o⁣n⁣ ⁣s⁣o⁣9⁣J⁣ ⁣W⁣G⁣r⁣e⁣d⁣ ⁣⁣L⁣⁣⁣⁣⁣⁣⁣K⁣ ⁣
  • FSDH321, DH321 Converter Offline Flyback Topology 100kHz DIP8 Power Switch UKSTK - Image 1 of 1

    FSDH321, DH321 Converter Offline Flyback Topology 100kHz DIP8 Power Switch UKSTK

    Brand New · Fairchild Industries
    S$ 5.69 to S$ 8.55
    S$ 60.27 shipping
    D⁣9⁣S⁣p⁣ ⁣6⁣K⁣ ⁣o⁣I⁣n⁣W⁣ ⁣ѕ⁣X⁣o⁣r⁣e⁣d⁣⁣7⁣ ⁣⁣⁣P⁣4⁣⁣⁣
    • 2pcs uA7824UC MC7824 LM7824 7824 voltage regulator 24V 1A - Image 1 of 2
    • 2pcs uA7824UC MC7824 LM7824 7824 voltage regulator 24V 1A - Image 2 of 2

    2pcs uA7824UC MC7824 LM7824 7824 voltage regulator 24V 1A

    Brand New · Fairchild Industries
    S$ 4.50
    S$ 9.56 shipping
    A⁣⁣⁣⁣⁣⁣⁣Z⁣⁣⁣ ⁣X⁣M⁣⁣ ⁣⁣T⁣⁣⁣V⁣ ⁣O⁣⁣J⁣ ⁣N⁣⁣8⁣
  • X5 Pcs LM337T IC ADJ 1.5A Linear Voltage Regulator IC Negative. Fairchild - Image 1 of 3

    X5 Pcs LM337T IC ADJ 1.5A Linear Voltage Regulator IC Negative. Fairchild

    Brand New · Fairchild Industries
    S$ 5.97
    or Best Offer
    S$ 34.81 shipping
    Only 1 left!
    ⁣⁣P⁣L⁣⁣⁣ ⁣⁣3⁣⁣⁣O⁣ ⁣5⁣⁣V⁣⁣⁣ ⁣⁣⁣⁣Q⁣⁣⁣8⁣ ⁣C⁣
  • Fairchild MC7812C Voltage Regulator Fixed Positive 12V 1A TO-220 New Old Stock - Image 1 of 1

    Fairchild MC7812C Voltage Regulator Fixed Positive 12V 1A TO-220 New Old Stock

    Brand New · Fairchild Industries
    S$ 1.41
    S$ 26.35 shipping
    ⁣⁣0⁣⁣9⁣ ⁣Q⁣R⁣⁣ ⁣⁣W⁣G⁣⁣⁣ ⁣A⁣⁣⁣M⁣⁣ ⁣1⁣⁣⁣⁣⁣M⁣
  • FSDH321, DH321 Green Mode Fairchild Power Switch (FPSTM), 2 pieces - Image 1 of 1

    FSDH321, DH321 Green Mode Fairchild Power Switch (FPSTM), 2 pieces

    Brand New · Fairchild Industries
    S$ 8.56
    or Best Offer
    S$ 28.17 shipping
    B⁣⁣⁣⁣⁣D⁣ ⁣⁣⁣⁣A⁣⁣C⁣⁣ ⁣⁣⁣⁣⁣4⁣O⁣ ⁣K⁣V⁣⁣⁣⁣ ⁣
  • 5pcs New MC7812A VOLTREGULATOR 12VDC,  TO-220 , 1A - Image 1 of 1

    5pcs New MC7812A VOLTREGULATOR 12VDC,  TO-220 , 1A

    Brand New · Fairchild Industries
    S$ 3.51
    S$ 31.06 shipping
    G⁣⁣9⁣⁣⁣ ⁣⁣3⁣⁣Z⁣ ⁣⁣⁣⁣⁣⁣9⁣⁣⁣⁣J⁣ ⁣⁣⁣2⁣E⁣⁣ ⁣
  • Qty of 10 MC7812C Voltage Regulator Fixed Positive 12V 1A TO-220 New Old Stock - Image 1 of 4

    Qty of 10 MC7812C Voltage Regulator Fixed Positive 12V 1A TO-220 New Old Stock

    Brand New · Fairchild Industries
    S$ 11.25
    S$ 38.45 shipping
    ⁣⁣⁣⁣U⁣⁣S⁣⁣⁣⁣ ⁣⁣H⁣⁣E⁣ ⁣J⁣⁣S⁣ ⁣⁣F⁣L⁣⁣ ⁣Y⁣⁣W⁣
  • 5 pcs. LM337SP with BENT Legs, Adjustable (-) Voltage Regulator , TO-220, LM337 - Image 1 of 2

    5 pcs. LM337SP with BENT Legs, Adjustable (-) Voltage Regulator , TO-220, LM337

    Brand New · Fairchild Industries
    S$ 5.61
    S$ 34.94 shipping
    I⁣⁣⁣Z⁣ ⁣R⁣⁣⁣⁣1⁣⁣⁣ ⁣6⁣G⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣ ⁣⁣⁣⁣
  • Qty of 10 Fairchild LM317T Voltage Regulator Variable Positive 1A TO-220 NOS - Image 1 of 4

    Qty of 10 Fairchild LM317T Voltage Regulator Variable Positive 1A TO-220 NOS

    Brand New · Fairchild Industries
    S$ 11.25
    S$ 38.45 shipping
    ⁣8⁣A⁣⁣⁣ ⁣6⁣B⁣⁣ ⁣⁣K⁣⁣⁣V⁣ ⁣T⁣N⁣ ⁣⁣⁣C⁣V⁣ ⁣R⁣⁣ ⁣⁣
  • (10) FSC LM79L05ACZ 79L05 5V 0.1A 3 PIN TO-92 NEGATIVE VOLTAGE REGULATOR ROHS - Image 1 of 3

    (10) FSC LM79L05ACZ 79L05 5V 0.1A 3 PIN TO-92 NEGATIVE VOLTAGE REGULATOR ROHS

    Brand New · Fairchild Industries
    S$ 3.50
    S$ 38.77 shipping
    ⁣J⁣U⁣ ⁣⁣⁣⁣1⁣⁣4⁣ ⁣2⁣A⁣ ⁣⁣0⁣⁣⁣⁣1⁣⁣⁣⁣⁣ ⁣⁣⁣⁣
  • Qty of 45 MC7812C Voltage Regulator Fixed Positive 12V 1A TO-220 New Old Stock - Image 1 of 2

    Qty of 45 MC7812C Voltage Regulator Fixed Positive 12V 1A TO-220 New Old Stock

    New (Other) · Fairchild Industries
    S$ 28.05
    or Best Offer
    S$ 61.47 shipping
    S⁣C⁣G⁣ ⁣р⁣G⁣o⁣P⁣ ⁣8⁣Q⁣n⁣s⁣ ⁣6⁣o⁣T⁣r⁣e⁣d⁣⁣ ⁣D⁣⁣M⁣ ⁣⁣S⁣
  • QTY 1 UA7812KC Fairchild NOS 12V Voltage Regulator, FREE Fast Shipping! - Image 1 of 2

    QTY 1 UA7812KC Fairchild NOS 12V Voltage Regulator, FREE Fast Shipping!

    New (Other) · Fairchild Industries
    S$ 8.42
    Was: S$ 14.04was - S$ 14.04
    or Best Offer
    S$ 29.44 shipping
    S⁣G⁣p⁣F⁣ ⁣o⁣n⁣s⁣о⁣L⁣J⁣ ⁣B⁣r⁣P⁣ ⁣S⁣6⁣e⁣ ⁣d⁣⁣⁣V⁣⁣X⁣⁣ ⁣
  • Lot of 4 LM317MT Fairchild Linear Voltage Regulator 500mA 1.2V TO-220 TH NOS - Image 1 of 1

    Lot of 4 LM317MT Fairchild Linear Voltage Regulator 500mA 1.2V TO-220 TH NOS

    New (Other) · Fairchild Industries
    S$ 8.01
    Was: S$ 8.44was - S$ 8.44
    or Best Offer
    S$ 23.55 shipping
    4⁣S⁣p⁣о⁣n⁣D⁣ ⁣S⁣s⁣o⁣r⁣F⁣ ⁣e⁣A⁣S⁣d⁣ ⁣F⁣Z⁣⁣ ⁣⁣P⁣⁣V⁣⁣⁣
  • 3 Pack UA7812KC Fairchild NOS 12V Voltage Regulator, FREE 2-3 Day Ship!!! - Image 1 of 3

    3 Pack UA7812KC Fairchild NOS 12V Voltage Regulator, FREE 2-3 Day Ship!!!

    Pre-Owned · Fairchild Industries
    S$ 21.07
    S$ 29.80 shipping
    ⁣⁣⁣⁣⁣⁣⁣⁣5⁣3⁣ ⁣O⁣6⁣ ⁣K⁣⁣W⁣⁣⁣ ⁣8⁣⁣⁣C⁣ ⁣⁣⁣⁣
  • UA7805KC Fairchild NOS 5V 5A Voltage Regulator ( LM309K ) - Image 1 of 2

    UA7805KC Fairchild NOS 5V 5A Voltage Regulator ( LM309K )

    New (Other) · Fairchild Industries
    S$ 15.39
    or Best Offer
    S$ 28.72 shipping
    K⁣⁣Y⁣⁣ ⁣2⁣⁣⁣⁣⁣O⁣⁣ ⁣⁣⁣⁣⁣H⁣⁣⁣I⁣ ⁣⁣⁣⁣5⁣4⁣⁣
  • FAIRCHILD ~ UA7805KC ~Voltage Regulator, +5V, Bi-Polar, 3 Pin, Metal, TO-204/-3 - Image 1 of 2

    FAIRCHILD ~ UA7805KC ~Voltage Regulator, +5V, Bi-Polar, 3 Pin, Metal, TO-204/-3

    New (Other) · Fairchild Industries
    S$ 13.99
    S$ 40.28 shipping
    ⁣⁣I⁣⁣⁣⁣S⁣ ⁣I⁣⁣8⁣⁣⁣⁣⁣ ⁣U⁣2⁣⁣⁣ ⁣⁣J⁣⁣⁣⁣6⁣ ⁣
  • UA723HC Fairchild Precision Voltage Regulator To 100 - Image 1 of 3

    UA723HC Fairchild Precision Voltage Regulator To 100

    New (Other) · Fairchild Industries
    S$ 11.25
    or Best Offer
    S$ 28.61 shipping
    ⁣I⁣J⁣ ⁣⁣⁣⁣P⁣⁣8⁣ ⁣9⁣R⁣⁣ ⁣⁣G⁣⁣M⁣ ⁣⁣⁣⁣⁣B⁣8⁣ ⁣K⁣
  • UA723HC Fairchild Precision Voltage Regulator - Vintage Part - Gold Pins - Image 1 of 3

    UA723HC Fairchild Precision Voltage Regulator - Vintage Part - Gold Pins

    New (Other) · Fairchild Industries
    S$ 4.70
    Was: S$ 7.02was - S$ 7.02
    or Best Offer
    S$ 39.42 shipping
    ⁣X⁣⁣Q⁣ ⁣⁣⁣⁣⁣J⁣⁣⁣G⁣⁣⁣⁣⁣ ⁣V⁣1⁣⁣ ⁣⁣L⁣⁣A⁣ ⁣⁣
  • FAIRCHILD ~ UA7805KC ~Voltage Regulator, +5V, Bi-Polar, 3 Pin, Metal, TO-204/-3 - Image 1 of 2

    FAIRCHILD ~ UA7805KC ~Voltage Regulator, +5V, Bi-Polar, 3 Pin, Metal, TO-204/-3

    New (Other) · Fairchild Industries
    S$ 12.58
    or Best Offer
    S$ 37.78 shipping
    1⁣⁣⁣⁣S⁣⁣ ⁣⁣⁣⁣⁣⁣⁣6⁣4⁣ ⁣A⁣⁣6⁣ ⁣⁣⁣⁣⁣⁣2⁣⁣J⁣
  • Lot of 4 KA278RA05CTU Fairchild Voltage Regulator Pos Adj 2A TO-220-4 ThruHole - Image 1 of 4

    Lot of 4 KA278RA05CTU Fairchild Voltage Regulator Pos Adj 2A TO-220-4 ThruHole

    New (Other) · Fairchild Industries
    S$ 6.68
    Was: S$ 7.03was - S$ 7.03
    or Best Offer
    S$ 23.55 shipping
    Y⁣C⁣⁣ ⁣⁣⁣Y⁣⁣⁣W⁣⁣ ⁣C⁣⁣⁣⁣⁣⁣B⁣⁣ ⁣⁣⁣F⁣D⁣ ⁣Q⁣⁣
  • 1 Pc MC7818. Fairchild 18V Volt 1A Amp 3 Pin Positive Voltage Regulator - Image 1 of 2

    1 Pc MC7818. Fairchild 18V Volt 1A Amp 3 Pin Positive Voltage Regulator

    New (Other) · Fairchild Industries
    S$ 13.71
    or Best Offer
    S$ 35.95 shipping
    F⁣7⁣⁣ ⁣⁣K⁣⁣Y⁣⁣ ⁣⁣5⁣G⁣⁣⁣⁣⁣ ⁣⁣6⁣⁣⁣⁣⁣M⁣ ⁣⁣⁣
  • Lot of 4 KA278R09CTU Fairchild Voltage Regulator Pos Fixed 9V 2A TO-220 ThruHole - Image 1 of 4

    Lot of 4 KA278R09CTU Fairchild Voltage Regulator Pos Fixed 9V 2A TO-220 ThruHole

    New (Other) · Fairchild Industries
    S$ 6.96
    or Best Offer
    S$ 23.55 shipping
    ⁣N⁣⁣Z⁣⁣ ⁣2⁣⁣⁣F⁣ ⁣⁣⁣9⁣M⁣⁣⁣⁣⁣⁣⁣⁣ ⁣W⁣7⁣⁣⁣ ⁣
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

24 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
    • Brand: Fairchild Industries- Selected
    • Type: Switching Voltage Regulator- Selected
    Clear All