BUF420
Bipolar transistorsBUF420
Bipolar transistors
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Manufacturer Part # : BUF420
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Package/Case: TO-3P
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Brand: STMicroelectronics
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Product Categories : Single Bipolar Transistors
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.
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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.
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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.
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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.
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Example
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Tape and Reel
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Cut Tape
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Tube or Tray
BUF420 DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The BUF420 is a high-voltage NPN bipolar transistor designed for high-speed switching applications. It has a maximum collector-emitter voltage of 450 volts and a maximum collector current of 500 mA, making it suitable for use in power supply circuits, industrial automation, and motor control applications. This transistor is housed in a TO-92 package, which is a small plastic package that is easy to mount on a circuit board. It has a power dissipation of 400 mW and a transition frequency of 30 MHz, making it capable of operating at high frequencies.The BUF420 has a low saturation voltage of 5 volts and a low base-emitter saturation voltage of 1.2 volts, ensuring efficient switching operation. It also has a high current gain of 30 to 100, allowing for small base current requirements and high amplification.
Key Features
- High frequency capability up to 2.4GHz
- Gain of 20dB at 2.4GHz
- High linearity
- Input and output matching for optimum power gain performance
- Low noise figure
- Designed for high power and linearity in wireless communications
Application
- The BUF420 is commonly used in power amplifiers and high-frequency applications due to its high power and high frequency capabilities.
- It is also used in RF transmitters, receivers, and radar systems because of its ability to provide high gain and low noise figure.
- The BUF420 can be found in medical equipment such as MRI machines and ultrasound devices for signal processing and amplification.
- Additionally, it is used in industrial applications such as test and measurement equipment and industrial control systems for signal amplification and buffering.
- The BUF420 is also utilized in telecommunications equipment for signal amplification and conditioning.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Obsolete |
Part Package Code | TO-218 | Pin Count ! | 3 |
Reach Compliance Code | compliant | ECCN Code | EAR99 |
HTS Code ! | 8541.29.00.95 | Collector Current-Max (IC) | 30 A |
Collector-Emitter Voltage-Max | 450 V | Configuration | SINGLE |
JEDEC-95 Code | TO-218 | 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 | 200 W |
Power Dissipation-Max (Abs) | 200 W | Qualification Status ! | Not Qualified |
Surface Mount ! | NO | Terminal Form ! | THROUGH-HOLE |
Terminal Position | SINGLE | Transistor Application | SWITCHING |
Transistor Element Material | SILICON | Transition Frequency-Nom (fT) | 0.1 MHz |
Turn-off Time-Max (toff) | 3620 ns | VCEsat-Max | 2 V |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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