STMicroelectronics BUL128-K
- Part No.:
- BUL128-K
- Manufacturer:
- STMicroelectronics
- Category:
- Single Bipolar Transistors
- Package:
- TO-220-3
- Datasheet:
-
BUL128-K.pdf
- Description:
- TRANS NPN 400V 4A TO-220
- Quantity:
- Payment:

- Shipping:

Inventory:7,805
Please send an inquiry. Send us your inquiry, and we will respond immediately.
BUL128-K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Obsolete
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 4 A
- Voltage - Collector Emitter Breakdown (Max):
- 400 V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 1A, 4A
- Current - Collector Cutoff (Max):
- 200µA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 14 @ 2A, 5V
- Power - Max:
- 70 W
- Frequency - Transition:
- -
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220
BUL128-K FAQ
1.How can I place an order for BUL128-K through Aetrix?
Please submit a Request for Quotation (RFQ) for BUL128-K on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BUL128-K reliable?
The price and inventory of BUL128-K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BUL128-K is usually 5 days.
3.What payment methods are accepted for BUL128-K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BUL128-K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BUL128-K?
BUL128-K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BUL128-K order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BUL128-K?
For technical support, including BUL128-K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BUL128-K requirements.
6.How does Aetrix verify that BUL128-K is sourced from the original manufacturer or authorized distributors?
All BUL128-K products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BUL128-K meets industry standards.
7.What is the process for return or replacement of BUL128-K?
All BUL128-K units undergo pre-shipment inspection (PSI). If there is an issue with BUL128-K, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BUL128-K part is unused and in its original packaging.
Return procedure for BUL128-K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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