BUZ71Alternatives & Equivalent Parts

BUZ71 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About BUZ71

BUZ71 is a MOSFET (N-Channel) component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterBUZ71SourceLM319N
ManufacturerSTMicroelectronicsTexas Instruments
Package TypeTransistor Outline, VerticalDual-In-Line Packages
Pin Count314
Temperature Range~ 175.0°C~ 70.0°C
Price$0.4832$0.2100
StockIn StockIn Stock
LifecycleOBSOLETEACTIVE
Electrical Parameters
YTEOL00
Additional FeatureAVALANCHE RATED
Avalanche Energy Rating (Eas)50 mJ
ConfigurationSINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min50 V
Drain Current-Max (ID)17 A
Drain-source On Resistance-Max0.1 Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss)30 pF
JEDEC-95 CodeTO-220AB
JESD-30 CodeR-PSFM-T3R-PDIP-T14
JESD-609 Codee0e4
Number of Elements1
Operating ModeENHANCEMENT MODE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULAR
Package StyleFLANGE MOUNTIN-LINE
Polarity/Channel TypeN-CHANNEL
Power Dissipation Ambient-Max85 W
Power Dissipation-Max (Abs)60 W
Pulsed Drain Current-Max (IDM)68 A
Qualification StatusNot QualifiedNot Qualified
Surface MountNONO
Terminal FinishTin/Lead (Sn/Pb)NICKEL PALLADIUM GOLD
Terminal FormTHROUGH-HOLETHROUGH-HOLE
Terminal PositionSINGLEDUAL
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Turn-off Time-Max (toff)145 ns
Turn-on Time-Max (ton)95 ns
## BUZ71 Alternates Showing resultsImage
Amplifier TypeCOMPARATOR
Average Bias Current-Max (IIB)0.0012 µA
Bias Current-Max (IIB) @25C1 µA
Input Offset Voltage-Max10000 µV
Neg Supply Voltage Limit-Max-25 V
Neg Supply Voltage-Nom (Vsup)-15 V
Number of Functions2
Output TypeOPEN-COLLECTOR
Package Equivalence CodeDIP14,.3
Response Time-Nom80 ns
Supply Current-Max12.5 mA
Supply Voltage Limit-Max18 V
Supply Voltage-Nom (Vsup)15 V
TechnologyBIPOLAR
Temperature GradeCOMMERCIAL
Terminal Pitch2.54 mm
## LM319N Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Quick Links

LM319N

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Why Look for Alternatives?

Finding alternatives for BUZ71 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating BUZ71 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

Can't Find What You Need?

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FAQ

What is equivalent to BUZ71?

Known equivalents for BUZ71 include LM319N. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of BUZ71?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify BUZ71 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.