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BUX48A The SPTECH BUX48A is an NPN power transistor designed for high-voltage, high-speed switching applications. It offers a high voltage capability of 450V VCEO and a continuous collector current of 15A.
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BUX48A

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Mfr Name: On Semiconductor
On Semiconductor
The SPTECH BUX48A is an NPN power transistor designed for high-voltage, high-speed switching applications. It offers a high voltage capability of 450V VCEO and a continuous collector current of 15A.
✓ Total Stock: 800 pcs
$ Price Range: $0.99

BUX48A Available from 1 distributor

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BUX48A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BUX48A Description

Short technical summary and product information.

The BUX48A from SPTECH is an NPN silicon power transistor engineered for demanding high-voltage and high-speed power switching applications. Its design is particularly suited for inductive circuits where fast fall times are critical, making it ideal for line-operated switchmode applications.

 

Key electrical characteristics include a high Collector-Emitter Voltage (VCEO) of 450V and a continuous Collector Current (IC) of 15A, with a peak capability of 30A. The device can dissipate up to 175W of power at 25°C case temperature. It features a DC Current Gain (hFE) of 8 at 8A and 5V, and a fast Fall Time (tf) of 0.4μs.

 

This transistor is housed in a TO-3 package, suitable for through-hole mounting. The operating junction temperature can reach up to 200°C, with a thermal resistance from junction to case of 1.0°C/W. Applications include switching regulators, inverters, solenoid and relay drivers, motor controls, and deflection circuits.

BUX48A Quick Information

Product Type: Bipolar Transistor
Canonical Name: BUX48A NPN Power Transistor
Subcategory: NPN Power Transistor

BUX48A Compliance

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

BUX48A Estimated Pricing

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1+ $0.99 $0.99

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

BUX48A Features

  • High voltage capability up to 450V.
  • High current capability up to 15A.
  • Fast switching speed with 0.4μs fall time.
  • Designed for switchmode applications.
  • TO-3 package for power handling.

BUX48A Applications

  • Suitable for switching regulators.
  • Used in inverter circuits.
  • Ideal for motor controls.
  • Applicable for solenoid drivers.
  • Designed for deflection circuits.

BUX48A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the BUX48A?

The maximum collector-emitter voltage (VCEO) for the BUX48A is 450V.

What is the continuous collector current rating of the BUX48A?

The BUX48A has a continuous collector current rating of 15A.

What is the power dissipation of the BUX48A transistor?

The power dissipation (PD) for the BUX48A is 175W at 25°C.

What package type is the BUX48A supplied in?

The BUX48A is supplied in a TO-3 package.

What is the operating temperature range for the BUX48A?

The operating temperature for the BUX48A can reach up to 200°C.

What is the fall time of the BUX48A?

The fall time (tf) for the BUX48A is 0.4μs.

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