Can I request technical information for BUL743?

Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to BUL743.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

Stock & Batch Verification Confirm available quantity, date code and delivery schedule.

Alternative Part Sourcing Request compatible or replacement parts when stock is limited.

Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.

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: Supplier Verification
Supplier review and component quality inspection support.

: Technical Documents
Datasheet and specification confirmation for engineers.

: One-Stop BOM Sourcing
Multi-part procurement and shortage sourcing assistance.

STMicroelectronics RFQ AVAILABLE

BUL743

TRANS NPN 500V 12A TO-220

Part Number: BUL743

Manufacturer: STMicroelectronics

Category: Single Bipolar Transistors

Package: TO-220-3

Datasheet:: BUL743.pdf

Description: TRANS NPN 500V 12A TO-220

Select Quantity Stock: 1,648

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TECHNICAL RESOURCES

BUL743 Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: BUL743

Manufacturer: STMicroelectronics

Package: TO-220-3

Series: -

Package/Case: TO-220-3

Packaging: Tube

Product Status: Active

Transistor Type: NPN

Current - Collector (Ic) (Max): 12 A

Voltage - Collector Emitter Breakdown (Max): 500 V

Vce Saturation (Max) @ Ib, Ic: 1.5V @ 2.5A, 10A

Current - Collector Cutoff (Max): 250µA

DC Current Gain (hFE) (Min) @ Ic, Vce: 24 @ 2A, 3V

Power - Max: 100 W

Frequency - Transition: -

Operating Temperature: 150°C (TJ)

Grade: -

Qualification: -

Mounting Type: Through Hole

Supplier Device Package: TO-220

Frequently Asked Questions

1. How can I order BUL743 from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of BUL743?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of BUL743 updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for BUL743?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for BUL743?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

BUL743 Procurement and Technical Support

BUL743 is manufactured by STMicroelectronics. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing BUL743 and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for BUL743.

Part Number: BUL743

Manufacturer: STMicroelectronics

Package: TO-220-3

Category: Single Bipolar Transistors

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Shipping Method

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Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

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