BUL128D-B Power Bipolar by STMicroelectronics

High voltage fast-switching NPN power transistor

Status: Active
Series: BUL128D-B
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The device is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and medium voltage capability. It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining the wide RBSOA. The device is designed for use in lighting applications and low cost switch-mode power supplies.

Where to Buy

Prices starting from US$0.22

Distributor Stock
Logo for RS
RS
from US$0.45
20
in stock
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Logo for Transfer Multisort Elektronik
Transfer Multisort Elektronik
from US$0.33
75
in stock
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Logo for Future Electronics
Future Electronics
from US$0.22
-
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Logo for Avnet America
Avnet America
from US$0.25
-
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Logo for element14
element14
from US$0.25
-
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Logo for Farnell
Farnell
from US$0.25
-
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Logo for EBV Elektronik
EBV Elektronik
-
-
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Logo for Avnet Silica
Avnet Silica
-
-
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Features

INTEGRATED ANTIPARALLEL COLLECTOR- EMITTER DIODE
VERY HIGH SWITCHING SPEED
STMicroelectronics PREFERRED SALES TYPE
HIGH VOLTAGE CAPABILITY
NPN TRANSISTOR
MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION
LOW SPREAD OF DYNAMIC PARAMETERS

Alternative Descriptions

Transistor: NPN | Transfer Multisort Elektronik
Transistor Bipolar NPN 400V 4A TO220 | RS
BUL128 Series NPN 700V 4 A High Voltage Fast-Switching Power Transistor - TO-220 | Future Electronics
Trans GP BJT NPN 400V 4A 3-Pin(3+Tab) TO-220 Tube | Avnet America
TRANSISTOR, NPN, TO-220 | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a BUL128D-B?

Additional datasheets, footprints and schematics for BUL128D-B are listed on our Part Details page. You can also find images and similar parts to BUL128D-B on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for BUL128D-B on our Product Comparison page. Access via the 'View Pricing & Stock' button to view BUL128D-B price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does BUL128D-B fall under?

The BUL128D-B is listed under Power Transistors > Power Bipolar > 500V to 1000V Transistors.

Can I view similar or alternative parts?

You can view similar parts to BUL128D-B when available in the 500V to 1000V Transistors range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the BUL128D-B you can contact the distributor directly for product support, shipping queries etc.

Is the BUL128D-B RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

Which authorised distributors for BUL128D-B have stock available?

Authorised distributors including Transfer Multisort Elektronik, RS, Future Electronics, Avnet America and element14 have stock available or on a lead time for BUL128D-B.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for BUL128D-B often in real-time on the comparison pages.

What if I can't find stock of BUL128D-B?

You can fill out our help required form which you can use to request a quote for BUL128D-B from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

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