BD435STU BD435STU is an NPN bipolar junction transistor from ON Semiconductor. It features a 32V collector-emitter breakdown voltage, 4A collector current, and 36W power dissipation in a TO-126-3 through-hole package.
Mfr Part #:

BD435STU

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
BD435STU is an NPN bipolar junction transistor from ON Semiconductor. It features a 32V collector-emitter breakdown voltage, 4A collector current, and 36W power dissipation in a TO-126-3 through-hole package.
Total Stock: 54,917 pcs

BD435STU Available from 1 distributor

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BD435STU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

BD435STU Description

Short technical summary and product information.

The BD435STU is an NPN bipolar junction transistor manufactured by ON Semiconductor. It is designed for general-purpose switching and amplification applications requiring moderate voltage and current handling.

 

Key electrical specifications include a maximum collector-emitter breakdown voltage of 32V, a continuous collector current rating of 4A, and a power dissipation of 36W. The transistor offers a DC current gain (hFE) of at least 40 at 10mA collector current and 5V Vce, and a transition frequency of 3 MHz. The maximum Vce saturation voltage is 500mV at 200mA base current and 2A collector current.

 

The device is housed in a TO-126-3 (also known as TO-225AA) through-hole package, suitable for PCB mounting with standard soldering processes. The operating junction temperature range extends up to 150°C.

 

This transistor is commonly used in power management circuits, driver stages, and linear regulators where NPN polarity and through-hole assembly are required.

BD435STU Quick Information

Product Type: NPN Bipolar Transistor
Series: BD435
Canonical Name: BD435STU NPN Bipolar Transistor
Subcategory: NPN

BD435STU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

BD435STU Features

  • NPN bipolar junction transistor for general purpose.
  • Rated for 32V collector-emitter breakdown voltage.
  • Supports up to 4A continuous collector current.
  • Dissipates up to 36W of power.
  • Through-hole TO-126-3 package for easy mounting.

BD435STU Applications

  • Used in power management and regulation circuits.
  • Ideal for relay and solenoid driver stages.
  • Suitable for linear amplifier output stages.
  • Common in medium-power switching applications.

BD435STU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the BD435STU?

32V.

What is the maximum collector current rating?

4A.

What is the power dissipation rating?

36W.

What is the package type?

TO-126-3 (also TO-225AA).

What is the operating junction temperature range?

Up to 150°C.

What is the DC current gain (hFE)?

Minimum 40 at 10mA, 5V.

Is the BD435STU RoHS compliant?

RoHS3 Compliant (unverified).

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