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BUX87

Description
Rated power: 40W Collector current Ic: 500mA Collector-emitter breakdown voltage Vce: 450V Transistor type: NPN NPN, Vceo=450V, Ic=0.5A
CategoryDiscrete semiconductor    The transistor   
File Size184KB,9 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
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Rated power: 40W Collector current Ic: 500mA Collector-emitter breakdown voltage Vce: 450V Transistor type: NPN NPN, Vceo=450V, Ic=0.5A

BUX87 Parametric

Parameter NameAttribute value
Brand NameSTMicroelectronics
MakerSTMicroelectronics
Parts packaging codeSIP
package instructionTO-126, 3 PIN
Contacts3
Reach Compliance Codenot_compliant
ECCN codeEAR99
Factory Lead Time8 weeks
Samacsys DescriptionBUX87, NPN Bipolar Transistor, 0.5 A 450 V HFE:12 Power, 3-Pin SOT-32
Maximum collector current (IC)0.5 A
Collector-emitter maximum voltage450 V
ConfigurationSINGLE
Minimum DC current gain (hFE)12
JEDEC-95 codeTO-126
JESD-30 codeR-PSFM-T3
JESD-609 codee3
Number of components1
Number of terminals3
Maximum operating temperature150 °C
Package body materialPLASTIC/EPOXY
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Polarity/channel typeNPN
Maximum power consumption environment40 W
Maximum power dissipation(Abs)20 W
Certification statusNot Qualified
surface mountNO
Terminal surfaceMatte Tin (Sn)
Terminal formTHROUGH-HOLE
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
transistor applicationsSWITCHING
Transistor component materialsSILICON
Nominal transition frequency (fT)20 MHz
VCEsat-Max1 V
BUX87
High voltage NPN power transistor
Features
High voltage capability (450 V V
CEO
)
Minimum lot-to-lot spread for reliable operation
High DC current gain
Applications
Flyback and forward single transistor low
power converters
SOT-32
3
2
1
Description
The BUX87 is manufactured using high voltage
multi-epitaxial planar technology for high
switching speeds and high voltage withstand
capability.
Figure 1.
Internal schematic diagram
Table 1.
Device summary
Marking
BUX87
Package
SOT-32
Packaging
Tube
Order code
BUX87
April 2009
Doc ID 4508 Rev 5
1/9
www.st.com
9

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