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Mad Scientist Supply

Mad Scientist Supply

39K items sold
192 followers
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Featured items

  • x10 Mini Stereo 10K Ohm Audio Taper Potentiometer POT 20% TOL + Mounting Nuts

    $16.95Save up to 20% when you buy more

  • 5 pcs NOS 15pF 500V Vintage El-Menco Moulded Silver Mica Capacitors CM15C150J

    $14.99

  • 5 pc 9-120pF Sprague Filmtrim 10mm 100VDC Adjustable Variable Capacitor GZD12100

    $12.99Save up to 15% when you buy more

  • Saia-Burgess XP52Z11 Micro switch SPDT 16A 400VAC 30VDC Switch .25 Quick Con x 1

    $15.99Save up to 25% when you buy more

All items

25 pcs 100pF 500V Silver Mica Capacitors Cap CM05FD101J03 AE

$14.99Save up to 15% when you buy more

x10 Mini Stereo 10K Ohm Audio Taper Potentiometer POT 20% TOL + Mounting Nuts

$16.95Save up to 20% when you buy more

NEW Genuine Bosch 0-433-171-177 Cummins 3280566 Fuel Injector Nozzle DLLA155P215

$18.99

2 x Potter & Brumfield T91P1D22-24 24V DC Coil NO Relay 30A / 240VAC Contacts

$16.99Save up to 15% when you buy more

10 x Panasonic TX2-3V ATX201 ATX201OE 3V DC Coil DPDT Micro Relay

$13.99

50 x Motorola LM337T LM337 Negative Adjustable Voltage Regulator -1.2-37V 1.5A

$26.99Save up to 25% when you buy more

10 pcs VISHAY 10K Ohm 7W 5% Axial Wirewound RoHS Flameproof Resistors 7 Watt

$14.99Save up to 20% when you buy more

25 pcs 300pF 500V Silver Mica Capacitors

$14.99

x 10 IRC 47 Ohm 3 Watt 5 Metal Film Power Resistor International Resistor Corp

$13.99Save up to 30% when you buy more

Saia-Burgess XP52Z11 Micro switch SPDT 16A 400VAC 30VDC Switch .25 Quick Con x 1

$15.99Save up to 25% when you buy more

5 pcs Vishay 15K Ohm 13 W Watt Wirewound Axial Power Resistor CW01015K00JE12

$14.99Save up to 20% when you buy more

5 pc 9-120pF Sprague Filmtrim 10mm 100VDC Adjustable Variable Capacitor GZD12100

$12.99Save up to 15% when you buy more

2 pc Littelfuse 03450121H 345121 345 HV Series PCB Mount Fuse Holder 5 x 20mm

$13.99Save up to 20% when you buy more

OMRON MY4ZN 220 240 VAC Coil 4PDT 5A 240VAC 28VDC Contact Relay x 1

$13.99Save up to 20% when you buy more

x50 Tube International Rectifier IRFS820 500V 2.1A N-Channel Power MOSFET

$19.99Save up to 15% when you buy more

10pcs EG&G Heimann Xenon Strobe Tube Lamp CGA-0013 Flash Tube !USA Seller!

$13.99

25 pcs 2pF 100V Silver Mica Capacitors

$10.99

x3 SUNON KDE1206PHS3 12 Volt 1.2W Watt 16mm x 60mm Mini Fan

$14.99

x50 Full Tube International Rectifier IRF820 500V 2.5A N-Channel Power MOSFET

$18.99Save up to 20% when you buy more

10 pcs Panasonic Matsushita 5600uF 10V 105 Degree Electrolytic Capacitor 16x26mm

$16.99Save up to 20% when you buy more

2 pcs SANKEN 2SA1491 A1491 PNP Bipolar Power Transistor -140V -10A 100W

$14.99Save up to 25% when you buy more

0.1uF 100V Metal Film Illinois Capacitor 104UMR100K Green Chicklet 0.1 NOS x100

$16.99Save up to 15% when you buy more

10 pcs 150pF 500V Silver Mica Capacitors Cornell Dubilier Cap Caps +/-5%

$14.99Save up to 15% when you buy more

10pcs Ultra Miniature 5V 80mA Grain of Wheat Lamps Bulb Lights 2.5x4.5mm Toshiba

$14.99Save up to 10% when you buy more

Qty 10 EMC 6 PIN Precision Machine Socket Green Gold NOS New Old Stock

$16.99Save up to 20% when you buy more

KUHP-5DT1-12 Tyco Potter & Brumfield KUHP Panel Relay 30A 12VDC SPDT

$16.99Save up to 15% when you buy more

200 pcs 47uF 16V Panasonic Matsushita Miniature Electrolytic Capacitors 5x6mm

$13.99

Matsushita Electrolytic Capacitor 100mfd 50V 125 Degree High Temp CE-M Series x5

$14.99Save up to 20% when you buy more

x6 Collector Vintage Western Electric 0.25" 6.4mm Red LEDs 20-30mA 2.2V 530A GaP

$14.99Save up to 15% when you buy more

x25 Panasonic Matsushita 33uf 25V Bipolar Non Polarized Electrolytic Capacitor

$14.99Save up to 20% when you buy more

x10 HAMLIN HE3621A6786 12V SPST NO 0.5A HE3600 Magnetically Shielded Relay

$13.99Save up to 20% when you buy more

100 pcs 0.01uF 400V PETP Philips Metal Film Epoxy MKT 368 Capacitor

$13.99Save up to 20% when you buy more

10 pcs NAIS JS1-6V AJS1310 Panasonic 6VDC SPDT Relay 10A 125V Contacts

$14.99Save up to 15% when you buy more

50 pcs Motorola MC74F138N 1 of 8 Decoder Demultiplexer 74F138 MC74 in Mfg Tubes

$16.99Save up to 15% when you buy more

10 pcs LKS1AF-12V ALKS321 NAIS Panasonic SPST NO 12VDC 5A Power Relay

$12.99

5 pcs Alpha 5K Ohm 0.2W Audio Taper Potentiometer POT Variable Resistor A5K

$16.99Save up to 15% when you buy more

Dale 100 Ohm 40W Watt 5% Wirewound Power Resistor HL-35 HL03509Z100R0JJ

$13.99Save up to 20% when you buy more

25 pcs NRP 0.1uF 400 V Volt Metal Film Capacitor NRP104K

$14.99Save up to 20% when you buy more

10 x Motorola LM337T LM337 Negative Adjustable Voltage Regulator -1.2-37V 1.5A

$13.99Save up to 15% when you buy more

5 pcs NOS 680pF 500V Vintage El-Menco Moulded Silver Mica Capacitor CM19E681JN3

$13.99Save up to 10% when you buy more

10pcs Dearborn 0.0047uF 4KV 4000VDC High Voltage 430P Type Metal Film Capacitor

$14.99Save up to 15% when you buy more

5 pcs 0.0022uF 2000V 2KV Pk-Pk Metal Film Capacitors 2KVPPS

$13.99Save up to 25% when you buy more

200 pcs 10uF 50V Nichicon Miniature Electrolytic Capacitor 85 Degree 5x6mm

$14.99

x5 Molex 0191930375 Ring Tongue Terminal Brazed Connector 4/0 AWG Wire 3/8" Stud

$15.99

50 pcs Genuine Motorola MC78L05ACP 100mA 5 Volt Positive Voltage Regulator 5V

$14.99Save up to 20% when you buy more

1pc ADC0844BCJ National Semiconductor 8 Bit uP A/D Converter ADC0844 CER-DIP 20

$14.95

NEW GENUINE DIALIGHT 125-1310-11-103 Panel Mount Indicator Clear Oiltight Light

$19.95Save up to 20% when you buy more

10 pcs PR2-120-JBW 12 Ohm 2W Watt 5% High Voltage Surge Resistor RCD Components

$14.99Save up to 20% when you buy more
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About us

MAD SCIENTIST SUPPLY (tkimkc) specializes in electronics of all kinds! We're constantly listing new items, so check back often!

Capacitors, LEDs, transistors, Copper Wire, Power Supplies, Surface Mount Components, Switches, Semiconductors, Relays, etc.
Location: United StatesMember since: Mar 12, 2002Seller: tkimkc
Top Rated SellerMad Scientist Supply is one of eBay's most reputable sellers. Consistently delivers outstanding customer service Learn more

Feedback ratings

Last 12 months

Positive111- positive feedback in last 12 months
Neutral0- neutral feedback in last 12 months
Negative0- negative feedback in last 12 months

Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (17,548)

r***e (108)- Feedback left by buyer.
Past 6 months
Verified purchase
Item as advertised. Greet packaging. Fast delivery. Seller recommended.
m***e (1559)- Feedback left by buyer.
Past month
Verified purchase
Excellent Seller! Quick shipment. Easy transaction. Just as described.
7***h (3847)- Feedback left by buyer.
Past month
Verified purchase
Recommended Ebay Seller! Item As Described! Fast Shipping!
a***r (2215)- Feedback left by buyer.
Past 6 months
Verified purchase
Awesome Seller!!! Bought from before!!! Items are new as described!!! Fast shipping!!! Thanks!!!
r***s (500)- Feedback left by buyer.
Past 6 months
Verified purchase
Well packaged and quickly shipped. Perfect transaction!
n***j (870)- Feedback left by buyer.
Past 6 months
Verified purchase
Arrived quickly as described. Great seller.
See all feedback