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Alternative part analysis

IRLU2703PBF replacements, alternatives, and cross reference

Compare mapped replacement and alternative options for IRLU2703PBF, then verify package, specifications, and application fit before approval.

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Specification view

Parameter Comparison Chart

A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.

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Parameter Comparison Chart
Current part
IRLU2703PBF

Infineon Technologies

Part NumberIRLU2703PBF
ManufacturerInfineon Technologies
CategoryDiscrete Semiconductor Products
SubcategoryTransistors - FETs, MOSFETs - Single
PackageTO-251-3
SeriesHEXFET®
Key Attributes-
DescriptionMOSFET N-CH 30V 23A I-PAK
Lifecycle-
Stock151,216
Available59,021
Min Order1
DatasheetAvailable
Turn-Off Delay Time12 ns
Terminal FinishMatte Tin (Sn) - with Nickel (Ni) barrier
Number of Elements1
Dual Supply Voltage30V
ConfigurationSINGLE WITH BUILT-IN DIODE
Turn On Delay Time8.5 ns
Rise Time140ns
Mounting TypeThrough Hole
REACH StatusREACH Unaffected
ECCNEAR99
Lead FreeLead Free
PackagingTube
Factory Lead Time13 Weeks
Published2003
Part StatusObsolete
Peak Reflow Temperature (Cel)260
Case ConnectionDRAIN
Operating Temperature-55°C~175°C TJ
Operating ModeENHANCEMENT MODE
ManufacturerInfineon Technologies
SeriesHEXFET®
SubcategoryFET General Purpose Power
TechnologyMOSFET (Metal Oxide)
FET TypeN-Channel
Sub-CategoriesTransistors - FETs, MOSFETs - Single
CategoriesDiscrete Semiconductor Products
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Drive Voltage (Max Rds On,Min Rds On)4.5V 10V
Vgs (Max)±16V
Additional FeatureAVALANCHE RATED
Power Dissipation-Max45W Tc
Pulsed Drain Current-Max (IDM)96A
Width2.3876mm
Nominal Vgs1 V
Vgs(th) (Max) @ Id1V @ 250μA
Current - Continuous Drain (Id) @ 25°C23A Tc
Reflow Temperature-Max (s)30
Radiation HardeningNo
MountThrough Hole
Number of Pins3
Terminal PositionSINGLE
Number of Terminations3
Voltage - Rated DC30V
Current Rating23A
Drain to Source Breakdown Voltage30V
Fall Time (Typ)20 ns
Length6.7056mm
Threshold Voltage1V
Package / CaseTO-251-3 Short Leads, IPak, TO-251AA
Power Dissipation38W
Resistance45mOhm
Gate to Source Voltage (Vgs)16V
Continuous Drain Current (ID)23A
Height6.22mm
Gate Charge (Qg) (Max) @ Vgs15nC @ 4.5V
Input Capacitance (Ciss) (Max) @ Vds450pF @ 25V
Avalanche Energy Rating (Eas)77 mJ
Rds On (Max) @ Id, Vgs45m Ω @ 14A, 10V
Manufacturer's Part No.IRLU2703PBF
JESD-609 Codee3
Moisture Sensitivity Level (MSL)1 (Unlimited)
RoHS StatusRoHS Compliant
REACH SVHCNo SVHC
HTSUS8541.29.0095
ECCN CodeEAR99
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing IRLU2703PBF replacement and equivalent-part options.

What is a cross-reference page for IRLU2703PBF?

This page groups mapped replacement options for IRLU2703PBF so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.

Does a mapped alternative mean a guaranteed drop-in replacement for IRLU2703PBF?

Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.

Which parameters should teams compare first for IRLU2703PBF alternatives?

Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.

Can I request a quote for an alternative to IRLU2703PBF?

Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.

Is IRLU2703PBF obsolete, and what replacement should buyers review first?

Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.

Engineering support

Need help validating the replacement path?

If your team is unsure whether a mapped alternative to IRLU2703PBF from Infineon Technologies is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.

Contact a hardware engineer

Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.

Package and pin compatibility

Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.

Parameter and function gaps

Surface the electrical, interface, or application-fit questions that still need confirmation before approval.

Qualification and approval prep

Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.