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  • 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.

    Key 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

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Technical Documentation

    • Description Version Size Action
      DS1564
      High voltage fast-switching NPN power transistor
      5.2
      225.2 KB
      PDF
      DS1564

      High voltage fast-switching NPN power transistor

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
BUL128D-B
Active
TO-220AB Industrial Ecopack2

BUL128D-B

Package:

TO-220AB

Material Declaration**:

Marketing Status

Active

Package

TO-220AB

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
BUL128D-B Available at 4 distributors

Distributor availability ofBUL128D-B

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3936 1 Order Now
RS COMPONENTS EUROPE 1270 10 Order Now
ARROW EUROPE 4550 0 Order Now
MOUSER WORLDWIDE 7743 1 Order Now

Distributor reported inventory date: 2020-08-10

Distributor Name

DIGIKEY

Stock

3936

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1270

Min.Order

10

Region

EUROPE Order Now

ARROW

Stock

4550

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

7743

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-10

Buy now
Active
EAR99 NEC Tube TO-220AB -65 150 CHINA

BUL128D-B

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

Distributor availability ofBUL128D-B

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3936 1 Order Now
RS COMPONENTS EUROPE 1270 10 Order Now
ARROW EUROPE 4550 0 Order Now
MOUSER WORLDWIDE 7743 1 Order Now

Distributor reported inventory date: 2020-08-10

Distributor Name

DIGIKEY

Stock

3936

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1270

Min.Order

10

Region

EUROPE Order Now

ARROW

Stock

4550

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

7743

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-10

ECCN (EU)

NEC

Packing Type

Tube

Package

TO-220AB

Operating Temperature (°C)

(min)

-65

(max)

150

Budgetary Price (US$)* / Qty

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors