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BUX87 The BUX87 is an NPN bipolar junction transistor from STMicroelectronics. It features a 450V collector-emitter breakdown voltage, 500mA collector current, and 40W power dissipation.
Mfr Part #:

BUX87

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The BUX87 is an NPN bipolar junction transistor from STMicroelectronics. It features a 450V collector-emitter breakdown voltage, 500mA collector current, and 40W power dissipation.
✓ Total Stock: 14,569 pcs
$ Price Range: $0.48 - $2.02

BUX87 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
11,250 pcs
On Request
11250 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,020 pcs
On Request
3020 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
299 pcs
On Request
299 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BUX87 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
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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BUX87 Description

Short technical summary and product information.

The BUX87 is a high-voltage NPN bipolar junction transistor manufactured by STMicroelectronics. Designed for through-hole mounting, it is housed in a TO-225AA / TO-126-3 package with a SOT-32-3 supplier device package.

 

Key electrical characteristics include a collector-emitter breakdown voltage (Vceo) of 450V, a continuous collector current (Ic) rating of 500mA, and a power dissipation of 40W. The device offers a minimum DC current gain (hFE) of 12 at 40mA collector current and 5V Vce, with a maximum Vce saturation voltage of 1V at 200mA collector current and 20mA base current. The transition frequency (ft) is 20MHz.

 

This transistor is suitable for switching and amplification applications requiring high voltage capability. The maximum junction temperature is 150°C.

BUX87 Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Canonical Name: STMicroelectronics BUX87 NPN Bipolar Transistor
Subcategory: Single BJT

BUX87 Compliance

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

BUX87 Estimated Pricing

Qty Low High
1+ $2.02 $2.02
10+ $1.37 $1.37
100+ $0.96 $0.96
500+ $0.76 $0.76
1,000+ $0.68 $0.68
2,000+ $0.55 $0.55
4,000+ $0.53 $0.53
10,000+ $0.48 $0.48

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

BUX87 Features

  • NPN bipolar junction transistor design.
  • 450V collector-emitter breakdown voltage.
  • 500mA continuous collector current rating.
  • 40W power dissipation capability.
  • 20MHz transition frequency for switching.

BUX87 Applications

  • High-voltage switching power supplies.
  • Line-operated switch mode circuits.
  • General purpose amplifier stages.

BUX87 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the collector-emitter breakdown voltage of the BUX87?

The collector-emitter breakdown voltage (Vceo) is 450V.

What is the maximum collector current rating?

The maximum continuous collector current (Ic) is 500mA.

What is the power dissipation of this transistor?

The power dissipation (Pd) is 40W.

What package does the BUX87 come in?

It is available in a TO-225AA / TO-126-3 through-hole package, with a SOT-32-3 supplier device package.

What is the transition frequency of the BUX87?

The transition frequency (ft) is 20MHz.

Is the BUX87 RoHS compliant?

The RoHS status is listed as RoHS3 Compliant, but this is unverified.

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