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TIP121 by:
Texas Instruments

Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin

Part Details for TIP121 by Texas Instruments

Results Overview of TIP121 by Texas Instruments

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TIP121 Information

TIP121 by Texas Instruments is a Power Bipolar Transistor.
Power Bipolar Transistors are under the broader part category of Transistors.

A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.

Price & Stock for TIP121

Part # Distributor Description Stock Price Buy
Quest Components TRANSISTOR,BJT,DARLINGTON,NPN,80V V(BR)CEO,5A I(C),TO-220AB 66
  • 1 $0.3450
  • 15 $0.2875
$0.2875 / $0.3450 Buy Now
Chip 1 Exchange INSTOCK 65
RFQ
Component Electronics, Inc IN STOCK SHIP TODAY 90
  • 1 $1.1500
  • 100 $0.8700
  • 1,000 $0.7500
$0.7500 / $1.1500 Buy Now

US Tariff Estimator: TIP121 by Texas Instruments

Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.

TIP121
Texas Instruments
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TIP121 Part Data Attributes

TIP121 Texas Instruments
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TIP121 Texas Instruments Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin
Pbfree Code No
Part Life Cycle Code Obsolete
Part Package Code TO-220AB
Package Description To-220, 3 Pin
Pin Count 3
ECCN Code EAR99
HTS Code 8541.29.00.95
Case Connection Collector
Collector Current-Max (IC) 5 A
Collector-Emitter Voltage-Max 80 V
Configuration Darlington
DC Current Gain-Min (hFE) 1000
JEDEC-95 Code TO-220AB
JESD-30 Code R-PSFM-T3
Number of Elements 1
Number of Terminals 3
Operating Temperature-Max 150 °C
Package Body Material Plastic/Epoxy
Package Shape Rectangular
Package Style Flange Mount
Polarity/Channel Type Npn
Power Dissipation Ambient-Max 65 W
Power Dissipation-Max (Abs) 65 W
Qualification Status Not Qualified
Surface Mount No
Terminal Form Through-Hole
Terminal Position Single
Transistor Application Switching
Transistor Element Material Silicon
Turn-off Time-Max (toff) 8500 Ns
Turn-on Time-Max (ton) 1500 Ns
VCEsat-Max 4 V

Alternate Parts for TIP121

This table gives cross-reference parts and alternative options found for TIP121. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of TIP121, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
TIP121BA onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BA
TIP121BG onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BG
TIP121 Microsemi Corporation (now Microchip) Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, NPN, Silicon, TO-220, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121AU onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121AU
TIP121AS onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121AS
TIP121BV onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BV
TIP121DW onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121DW
TIP121BC onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BC
TIP121 Transys Electronics Limited Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121 Continental Device India Ltd Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
Part Number Manufacturer Composite Price Description Compare
TIP121 SPC Multicomp $0.5009 Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 2-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121 Baneasa SA Check for Price Power Bipolar Transistor, 5A I(C), 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121 WEITRON INTERNATIONAL CO., LTD. Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121 Transys Electronics Limited Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121BS onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BS
TIP121 Central Semiconductor Corp Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121 General Transistor Corp Check for Price Power Bipolar Transistor, 5A I(C), NPN TIP121 vs TIP121
TIP121 Diotec Semiconductor AG Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin TIP121 vs TIP121
TIP121BA onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BA
TIP121BV onsemi Check for Price Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 3 Pin TIP121 vs TIP121BV
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