IRLB8721PBFAlternatives & Equivalent Parts

IRLB8721PBF is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About IRLB8721PBF

IRLB8721PBF is a MOSFET (N-Channel) component manufactured by International Rectifier. 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

ParameterIRLB8721PBFSourceTC33X-2-501E
ManufacturerInternational RectifierBourns
Package TypeTransistor Outline, VerticalOther
Pin Count33
Temperature Range-55.0°C ~ 175.0°C-40.0°C ~ 100.0°C
Price$0.3299$0.0528
StockIn StockIn Stock
LifecycleOBSOLETEACTIVE
Electrical Parameters
YTEOL07
Avalanche Energy Rating (Eas)98 mJ
Case ConnectionDRAIN
ConfigurationSINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min30 V
Drain Current-Max (ID)62 A
Drain-source On Resistance-Max0.0087 Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss)110 pF
JEDEC-95 CodeTO-220AB
JESD-30 CodeR-PSFM-T3
Number of Elements1
Operating ModeENHANCEMENT MODE
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULAR PACKAGE
Package StyleFLANGE MOUNTSMT
Peak Reflow Temperature (Cel)NOT SPECIFIED
Polarity/Channel TypeN-CHANNEL
Power Dissipation-Max (Abs)65 W
Pulsed Drain Current-Max (IDM)250 A
Qualification StatusNot Qualified
Surface MountNOYES
Terminal FormTHROUGH-HOLE
Terminal PositionSINGLE
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
## IRLB8721PBF Alternates Showing resultsImage
Pbfree CodeYes
Reach Compliance CodeCompliant
Factory Lead Time16 Weeks
Actuator OrientationVERTICAL
Actuator TypeSCREW
ConstructionRectangular
Ganging Number1
JESD-609 Codee3
Mounting FeatureSURFACE MOUNT
Number of Turns1
Package Height1.2 mm
Package Length3.8 mm
Package Width3.6 mm
Packing MethodTR, EMBOSSED, 7 INCH
Rated Power Dissipation (P)0.15 W
Rated Temperature70 °C
Resistance500 Ω
Resistance LawLINEAR
Resistor TypeTRIMMER
Rotational Angle270 deg
Size Code1514
Temperature Coefficient250 ppm/°C
Terminal FinishMatte Tin (Sn) - with Nickel (Ni) barrier
Terminal ShapeWRAPAROUND
Tolerance25%
Working Voltage50 V

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

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Why Look for Alternatives?

Finding alternatives for IRLB8721PBF 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 IRLB8721PBF 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.

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FAQ

What is equivalent to IRLB8721PBF?

Known equivalents for IRLB8721PBF include TC33X-2-501E. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of IRLB8721PBF?

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 IRLB8721PBF 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.