BD135
Active
Education Design Win
NPN SILICON TRANSISTORS

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Product overview

Description

These epitaxial planar transistors are mounted in the SOT-32 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits.

The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136 and BD140.

EDA Symbols, Footprints and 3D Models

STMicroelectronics - BD135

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Please select one model supplier :

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Longevity Commitment Longevity Starting Date Material Declaration**
BD135
Active
SOT-32 Industrial Ecopack1 10 2024-06-10T00:00:00.000+02:00
BD135-16
NRND
SOT-32 Industrial Ecopack1 10 2024-06-10T00:00:00.000+02:00

BD135

Package:

SOT-32

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-32

Grade

Industrial

RoHS Compliance Grade

Ecopack1

BD135-16

Package:

SOT-32

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

SOT-32

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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

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Budgetary Price (US$)*/Qty
min
max
BD135-16 Available at 4 distributors

Distributor availability ofBD135-16

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7033 1 Buy from Distributor
MOUSER WORLDWIDE 1843 1 Buy from Distributor
Farnell Element14 EUROPE 9062 1 Buy from Distributor
ANGLIA Live EUROPE 13339 1 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

7033

Min.Order

1

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

1843

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

9062

Min.Order

1

ANGLIA Live

Stock

13339

Min.Order

1

Distributor reported inventory date: 2026-10-25

NRND
SOT-32 Tube INDIA EAR99 NEC -65 150
BD135 Available at 5 distributors

Distributor availability ofBD135

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6430 1 Buy from Distributor
Newark Element14 AMERICA 1 0 Buy from Distributor
MOUSER WORLDWIDE 13812 1 Buy from Distributor
Farnell Element14 EUROPE 11263 1 Buy from Distributor
ANGLIA Live EUROPE 37250 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

6430

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Newark Element14

Stock

1

Min.Order

0

Region

AMERICA Buy from Distributor

MOUSER

Stock

13812

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

11263

Min.Order

1

ANGLIA Live

Stock

37250

Min.Order

50

Distributor reported inventory date: 2026-10-25

Active
SOT-32 Tube INDIA EAR99 NEC - -

BD135-16 NRND

Part Number:

BD135-16

Packing Type:

Tube

RoHS:

Country of Origin:

INDIA

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-65

Max:

150

Distributor availability ofBD135-16

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7033 1 Buy from Distributor
MOUSER WORLDWIDE 1843 1 Buy from Distributor
Farnell Element14 EUROPE 9062 1 Buy from Distributor
ANGLIA Live EUROPE 13339 1 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

7033

Min.Order

1

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

1843

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

9062

Min.Order

1

ANGLIA Live

Stock

13339

Min.Order

1

Distributor reported inventory date: 2026-10-25

BD135 Active

Part Number:

BD135

Packing Type:

Tube

RoHS:

Country of Origin:

INDIA

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-

Max:

-

Distributor availability ofBD135

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6430 1 Buy from Distributor
Newark Element14 AMERICA 1 0 Buy from Distributor
MOUSER WORLDWIDE 13812 1 Buy from Distributor
Farnell Element14 EUROPE 11263 1 Buy from Distributor
ANGLIA Live EUROPE 37250 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

6430

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Newark Element14

Stock

1

Min.Order

0

Region

AMERICA Buy from Distributor

MOUSER

Stock

13812

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

11263

Min.Order

1

ANGLIA Live

Stock

37250

Min.Order

50

Distributor reported inventory date: 2026-10-25

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