BU126 The MTC BU126 is an NPN Power Transistor designed for voltage regulator and switching mode power supply applications. It features a high breakdown voltage.
Mfr Part #:

BU126

Available from 1 distributors
Mfr Name: MTC
MTC
The MTC BU126 is an NPN Power Transistor designed for voltage regulator and switching mode power supply applications. It features a high breakdown voltage.
Total Stock: 56 pcs
$ Price Range: $1.26

BU126 Available from 1 distributor

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BU126 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Junction Temperature
Storage Temperature

BU126 Description

Short technical summary and product information.

The BU126 from MTC is a Silicon NPN Power Transistor housed in a TO-3 package. It is designed for applications such as voltage regulators, inverters, and switching mode power supplies.

 

Key electrical characteristics include a high collector-base voltage rating of 750V and a collector-emitter voltage rating of 300V. The continuous collector current is rated at 3.0A, with a peak current of 6.0A. The device also offers a DC current gain (hFE) of 15 at 1A and 5V.

 

Thermal performance is supported by a total power dissipation of 40W at 25°C case temperature and a thermal resistance junction-to-case of 2.5 K/W. The junction temperature is rated up to 125°C.

 

This transistor is suitable for various power electronics designs requiring robust voltage and current handling capabilities within its specified limits.

BU126 Quick Information

Product Type: NPN Power Transistor
Canonical Name: BU126 NPN Power Transistor
Subcategory: Diodes - RF

BU126 Compliance

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

BU126 Estimated Pricing

Qty Low High
1+ $1.26 $1.26

Estimated market price range - modelled values for guidance only, not live distributor offers.

BU126 Features

  • High collector-base voltage of 750V.
  • Collector-emitter voltage rating of 300V.
  • Continuous collector current of 3.0A.
  • TO-3 package for power applications.
  • Suitable for voltage regulators.

BU126 Applications

  • Suitable for voltage regulator circuits.
  • Used in inverter power supplies.
  • Ideal for switching mode power supplies.
  • Applicable in high-voltage switching applications.
  • Suitable for high-current switching circuits.

BU126 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-base voltage for the BU126?

The maximum collector-base voltage (VCBO) for the BU126 is 750V.

What is the maximum collector-emitter voltage of the BU126?

The maximum collector-emitter voltage (VCEO) for the BU126 is 300V.

What is the continuous collector current rating for the BU126?

The continuous collector current (IC) for the BU126 is 3.0A.

What is the peak collector current for the BU126?

The peak collector current (ICM) for the BU126 is 6.0A.

What is the maximum power dissipation of the BU126 at 25°C?

The total power dissipation (PT) for the BU126 at 25°C is 40W.

What is the junction temperature range for the BU126?

The junction temperature (Tj) for the BU126 ranges from -65°C to 125°C.

What is the DC current gain (hFE) of the BU126 at 1A and 5V?

The minimum DC current gain (hFE) of the BU126 at IC=1A and VCE=5V is 15.

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