BU406TU
Bipolar Transistors - BJT NPN Epitaxial SilBU406TU
Bipolar Transistors - BJT NPN Epitaxial Sil
-
Manufacturer Part # : BU406TU
-
Package/Case: TO220-3
-
Part Status : OBSOLETE
-
Brand: Onsemi
-
Product Categories : Single Bipolar Transistors
-
Series : BU406
-
RoHS:
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.








About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

WireTransfer

Paypal

CreditCard

WesternUnion

MoneyGram
Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray
BU406TU DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
---|---|---|
1 | $0.343 | $0.34 |
10 | $0.337 | $3.37 |
30 | $0.332 | $9.96 |
100 | $0.328 | $32.80 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Interested Parts
BU406TU Details
The BU406TU is a high-voltage NPN power transistor designed for general-purpose switching and amplification applications. This transistor offers high voltage and current capabilities, making it suitable for power supply and high-power amplifier circuits. It is housed in a TO-220 package, providing easy mounting and heat dissipation.
Pinout
- 1 (Base): Controls the transistor switching action.
- 2 (Collector): Collects the current flow when the transistor is in the active state.
- 3 (Emitter): Emits the current flow from the transistor.
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)
Key Features
- High Voltage Capability: Suitable for applications requiring high voltage handling.
- High Current Rating: Capable of handling high currents for power applications.
- TO-220 Package: Easy to mount and provides good thermal conductivity.
- General Purpose: Can be used in a variety of switching and amplification circuits.
Application
- Power Supply: Used in power supply circuits for voltage regulation.
- Audio Amplification: Suitable for audio amplifier applications requiring high power output.
- Switching Circuits: Commonly used in switching applications due to its high voltage capability.
Where to Use
The BU406TU is ideal for applications that demand high power handling and voltage requirements. It is commonly utilized in power supplies, audio amplifiers, and switching circuits where reliability and performance are essential.
How to Use
Connect the Base, Collector, and Emitter pins of the BU406TU according to your circuit requirements. Ensure proper heatsinking for efficient heat dissipation, especially in high-power applications. Refer to the datasheet for detailed usage guidelines.
Application Circuit
The application circuit diagram for the BU406TU demonstrates how to integrate the power transistor into your circuit for optimal performance. It includes connections for power, control signals, and load, ensuring proper functionality.
(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)
Equivalents
- NTE36: A similar high-voltage power transistor with comparable specifications.
- MJ15003: An alternative power transistor offering equivalent performance characteristics.
Complementary
The BU406TU can be complemented by the BU409, which provides enhanced power handling capabilities for more demanding applications. When selecting complementary transistors, consider your specific circuit requirements for compatibility and performance.
Frequently Asked Questions
Q: What is the maximum voltage rating of the BU406TU?
A: The BU406TU has a maximum voltage rating of [insert voltage rating]. For detailed specifications, please consult the datasheet.
Q: Can the BU406TU be used in audio amplifier circuits?
A: Yes, the BU406TU is suitable for audio amplifier applications requiring high-power amplification. It is important to follow proper circuit design guidelines for optimal performance.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Status | Obsolete | Compliance | PbAHP |
Package Type | TO-220-3 | Case Outline | 340AT |
MSL Type | NA | MSL Temp (°C) | 0 |
Container Type | TUBE | Container Qty. | 1000 |
ON Target | N | Polarity | NPN |
Type | General Purpose | VCE(sat) Max (V) | 1 |
IC Cont. (A) | 7 | VCEO Min (V) | 200 |
VCBO (V) | 400 | VEBO (V) | 6 |
VBE(sat) (V) | 1.2 | fT Min (MHz) | 10 |
PTM Max (W) | 60 | Pricing ($/Unit) | Price N/A |
FAQs
What is BU406TU?
The BU406TU is an NPN Darlington transistor designed for high-voltage, high-current applications. It is commonly used in power switching circuits, motor controls, and electronic ballasts.
How Does BU406TU Work?
The BU406TU works as a high-power amplifier where a small input current controls a much larger output current. It provides high current gain and high input impedance, making it suitable for driving heavy loads with minimal input signal power.
How Many Pins does BU406TU have and What are the Functions of the Pinout Configuration?
The BU406TU typically comes in a TO-220 package with three pins. The pinout configuration includes:
- Base (B): Input pin for controlling the transistor.
- Collector (C): Output pin where the load is connected.
- Emitter (E): Ground/reference pin.
What are the Pros and Cons of BU406TU?
Pros:
- High Voltage and Current Handling: Suitable for high-power applications.
- Darlington Pair Configuration: Offers high current gain for efficient switching.
- Robust and Reliable: Can withstand high operating temperatures and rugged conditions.
Cons:
- Saturation Voltage: May have higher saturation voltage compared to other transistors.
- Heat Dissipation: Requires proper heat sinking due to high power dissipation.
Are There Any Equivalents/Alternatives to BU406TU for Recommendation?
- Equivalents to the BU406TU include the TIP122 and TIP127 transistors.
- Alternatives to the BU406TU are the 2N6284 and MJ11015 transistors.
Recommend Parts
-
5,812 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
N-Channel Power MOSFET with 75A and 40V ratings
Brand: NXP Semiconductors Package/Case: TO263
7,054 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
1A BUK455-60A 60V N-CHANNEL POWER MOSFET with 0.038 ohm Si
Brand: Philips Package/Case: TO-220
7,318 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
4,927 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
5,726 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
4,599 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Channel Silicon Metal-oxide Semiconductor FET
Brand: Infineon Technologies Package/Case: TO218
3,942 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
7,959 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
BUL310FP
$0.167 BUL310FP: TO-220F Package Bipolar Transistors - BJT ROHS Approved
Brand: STMicroelectronics NV Package/Case: TO-220-3 FP
3,970 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
With its impressive current gain and voltage rating, BUTAF is ideal for driving loudspeakers and other devices in a wide range of application
Brand: NXP Semiconductors Package/Case: TO-220F
5,719 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
4,713 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Fast-switching NPN bipolar transistors suitable for high-voltage applications
Brand: STMicroelectronics NV Package/Case: TO-247
3,764 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
TO-218 Insulated Gate Bipolar Transistor with 35A I(C) and 1200V V(BR)CES
Brand: Infineon Technologies Package/Case: TO-218
6,266 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
Price details
Prices listed do not include VAT.
Quantity | Unit Price |
---|