BUL128DB

Effective Inventory7,378

High Voltage NPN BJT Transistor with 4 Amps Current Rating

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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We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

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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.

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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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BUL128DB 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!

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Rapid Quote

Please submit RFQ for BUL128DB or email to us: Email: [email protected], we will contact you in 12 hours.

BUL128DB Description

The BUL128DB is a high-performance bipolar transistor from STMicroelectronics, designed for reliable operation in various applications. This NPN transistor features a high voltage capability of up to 400V and a current rating of 4A, making it suitable for power electronic applications.

Pin Details

The BUL128DB is a TO-220 packaged power transistor with an integrated antiparallel collector-emitter diode. It has very high switching speed and minimal lot-to-lot spread for reliable operation.

  • Included Antiparallel Diode: Ensures safe operation by preventing potential damage to the transistor caused by back-flow of current through the collector-emitter path.
  • High Switching Speed: Enables fast and efficient switching in applications that require high-frequency switching regimes.

Features

  • NPN Transistor: Operates as a common emitter amplifier or switch.
  • Highest Voltage Capability: Handles up to 400V and supports applications that require high voltage transistors.
  • High Current Capability: Can handle up to 4A of current, making it suitable for power electronic applications.

Applications

The BUL128DB is widely used in various industries including automotive, consumer electronics, industrial automation, medical devices, packaging equipment, and security systems.

Where to Use:

  • Automotive industry applications that require high-voltage switching capabilities
  • Consumer electronic products such as motor drives and power supplies
  • Industrial automation systems that demand reliable switching performance
  • Medical devices requiring precise control over electronic circuits
  • Packaging equipment and security systems that require high-reliability transistors

Manufacturer

The BUL128DB is manufactured by STMicroelectronics, a leading semiconductor manufacturer with expertise in designing and developing innovative IC solutions.

Packages

The BUL128DB comes packaged in TO-220 for efficient PCB design integration.

FAQ

Q: What is the maximum operating frequency of the BUL128DB?
A: The transistor has a very high switching speed, making it suitable for applications that require high-frequency operation.

Q: Can the BUL128DB be used in automotive applications?
A: Yes, due to its high voltage and current capability, it is well-suited for use in automotive applications such as motor drives and power supplies.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer STMicroelectronics Product Category ! Transistors (BJT) - Single

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.

Preliminary Specification BUL128DB PDF Download

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