ONSEMI TIP121

Manufacturer No:

TIP121

Manufacturer:

ONSEMI

Package:

TO-220-3

Description:

NPN - Darlington 150°C TJ 500?A 1 Elements TO-220-3 Bulk Through Hole

Quantity:

In Stock :2201

Looking for price or availability? Send us an RFQ and our sales team will respond quickly.

Shipping & Availability

Fast worldwide shipping via DHL, FedEx, UPS, and EMS.

Shipped from：HK Warehouse

Expected Shipping：Thu, May 7 - Fri, May 8, 2026

Lead Time：Inquire about availability

Date Code：Within 2 Years

Payment

We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.

Authenticity Guarantee

All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.

Quality Assurance

Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.

User Guide

Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1：Prepare product

Step2：Desiccant Protection

Step3：Vacuum Packaging

Step4：Individual Package

Step5：Anti-collision Filling

Step6：Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

TIP121 Information

ONSEMI TIP121 technical specifications, attributes, parameters and parts with similar specifications to ONSEMI TIP121.

Type
Parameter

Mount
Through Hole

Mounting Type
Through Hole

Package / Case
TO-220-3

Number of Pins
3

Supplier Device Package
TO-220-3

Weight
1.214g

Operating Temperature
150°C TJ

Packaging
Bulk

Published
2007

Part Status
Obsolete

Type
Parameter

Moisture Sensitivity Level (MSL)
1 (Unlimited)

Max Operating Temperature
150°C

Min Operating Temperature
-65°C

Voltage - Rated DC
80V

Max Power Dissipation
2W

Current Rating
5A

Base Part Number
TIP121

Number of Elements
1

Polarity
NPN

Element Configuration
Single

Download datasheets and manufacturer documentation for ONSEMI TIP121.

TIP121 Description

TIP121 is a low voltage complementary power Darlington transistor. TIP121 transistor is packaged in a TO220 housing and allows for normal amplification and slower speed switching.
This TIP121 transistor is ideal for simple switching circuits and can be utilized for loads that operate at intermediate voltages. Transistor TIP121 is a type of transistor that is easily available in stores and costs less.
The TIP121 has a wide range of applications in electrical circuits, making it well-known in the electrical industry. TIP121 transistor circuit is the best device for selecting an arbitrary switching expedient because of these capabilities.

TIP121 Features

Type Designator: TIP121
Material of Transistor: Si
Polarity: NPN
Maximum Collector Power Dissipation (Pc): 65 W
Maximum Collector-Base Voltage |Vcb|: 80 V
Maximum Collector-Emitter Voltage |Vce|: 80 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 5 A
Max. Operating Junction Temperature (Tj): 150 °C
Forward Current Transfer Ratio (hFE), MIN: 1000
Noise Figure, dB: -
Package: TO220

TIP121 Applications

A direct current motor's speed is controlled with it.
It is utilized in a variety of lighting circuits.
It is commonly utilized in PWM submissions.
It's employed in a variety of relay drivers.
It's found in a variety of switch-mode power supply.
Acoustic amplifier circuits employ it.
It functions in several intensifier circuits.