ElectronicsEgypt
TIP121 NPN Darlington Power Transistor, 80V 5A, TO-220

TIP121 NPN Darlington Power Transistor, 80V 5A, TO-220

Part number: TIP121Transistors & MOSFETs

Lowest price now

10 EGP

5 offers · 5 storesSave up to 50%

View in store: Ekostra

Prices updated: 13 Oct 2026

Compare prices

StorePriceView in store
Ekostra logoEkostraCheapest10 EGPView in store
Most Electronics logoMost Electronics10.9 EGP12.03View in store
Makers Electronics logoMakers Electronics12 EGPView in store
Future Electronics logoFuture Electronics15 EGPView in store
Circuits Electronics logoCircuits Electronics20 EGPView in store

Price history

Lowest daily price, last 90 days

12.3119.712 Oct 202613 Oct 2026

Lowest price recorded: 10 EGP

About this product

TIP121 is an NPN Darlington power transistor in a TO-220 package, rated for 80 V collector-emitter voltage and 5 A collector current. Its high current gain lets a small base signal switch loads such as relays, solenoids and small motors. It is common in driver stages in hobby projects.

Specifications

Transistor type
NPN Darlington
Collector current (Ic max)
5 A
Collector-emitter voltage (VCEO max)
80 V
Power dissipation
65 W (case), 2 W (ambient)
Package
TO-220

Frequently asked questions

What is the price of TIP121 NPN Darlington Power Transistor, 80V 5A, TO-220 in Egypt?

TIP121 NPN Darlington Power Transistor, 80V 5A, TO-220 currently costs between 10 and 20 EGP across 5 offers in Egypt.

Where can I buy TIP121 NPN Darlington Power Transistor, 80V 5A, TO-220 in Egypt?

TIP121 NPN Darlington Power Transistor, 80V 5A, TO-220 is available from Ekostra, Most Electronics, Makers Electronics, Future Electronics, and Circuits Electronics. Compare the offers above to find the best price.

Do I need a heatsink?

For light loads a heatsink may not be needed, but at higher current or power dissipation you should mount it on a heatsink and check the thermal limits in the datasheet.

Can I drive it directly from an Arduino pin?

A Darlington has high current gain, so a microcontroller pin can switch small loads through a base resistor. For relays or motors, add a flyback diode across the load because these loads are inductive.