- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for TIP121
- Part Number TIP121
- Manufacturer Multicomp Pro
- Pin Count 3
- Part Category Transistor Darlington Pair
- Package Category Transistor Outline, Vertical
- Footprint Name Transistor Outline, Vertical - TIP121
- Released Date Jan 20, 2024
- Last Modified Date Jan 20, 2024 6:25 AM UTC
- Pinout / Pin List Click Here (Member Only)
TIP121 Details
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Manufacturer Part Number:
TIP121
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Package Description:
TO-220, 3 PIN
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ECCN Code:
EAR99
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Manufacturer:
SPC Multicomp
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YTEOL:
4
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Case Connection:
COLLECTOR
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Collector Current-Max (IC):
5 A
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Collector-Emitter Voltage-Max:
80 V
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Configuration:
DARLINGTON WITH BUILT-IN DIODE AND RESISTOR
TIP121 Frequently Asked Questions (FAQs)
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The maximum collector current for each transistor in the TIP121 is 500mA, making it suitable for low-to-medium power applications.
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No, the TIP121 is not suitable for high-voltage applications. The maximum collector-emitter voltage is 50V, and the maximum collector-base voltage is 60V. Exceeding these ratings can damage the device.
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To ensure the TIP121 operates within its SOA, you should ensure that the collector current, collector-emitter voltage, and power dissipation are within the specified limits. You should also provide adequate heat sinking to prevent overheating.
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While the TIP121 can be used as a linear amplifier, it's not the most suitable device for this application. The device has a relatively high saturation voltage (around 2V) and a low current gain (around 1000), which can affect the amplifier's performance.
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To protect the TIP121 from ESD, you should handle the device with anti-static precautions, such as using an anti-static wrist strap or mat. You should also ensure that the device is stored in an anti-static package or bag.
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TIP121 Overview
Use the download button to access the TIP121 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TIP12,
or try a keyword search, such as Power Bipolar Transistors
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