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Alternative part analysis

IRFR3505PBF replacements, alternatives, and cross reference

Compare mapped replacement and alternative options for IRFR3505PBF, 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
IRFR3505PBF

Infineon Technologies

Part NumberIRFR3505PBF
ManufacturerInfineon Technologies
CategoryDiscrete Semiconductor Products
SubcategoryTransistors - FETs, MOSFETs - Single
PackageTO-252-3
SeriesHEXFET®
Key Attributes-
DescriptionMOSFET N-CH 55V 30A DPAK
Lifecycle-
Stock121,975
Available39,192
Min Order1
DatasheetAvailable
JESD-609 Codee3
Moisture Sensitivity Level (MSL)1 (Unlimited)
RoHS StatusRoHS Compliant
REACH SVHCNo SVHC
JESD-30 CodeR-PSSO-G2
HTSUS8541.29.0095
ECCN CodeEAR99
Turn On Delay Time13 ns
Rise Time74ns
Number of Elements1
Dual Supply Voltage55V
Turn-Off Delay Time43 ns
REACH StatusREACH Unaffected
ECCNEAR99
Lead FreeLead Free
PackagingTube
Mounting TypeSurface Mount
Published2002
Part StatusObsolete
Peak Reflow Temperature (Cel)260
Terminal FormGULL WING
Element ConfigurationSingle
Case ConnectionDRAIN
Operating Temperature-55°C~175°C TJ
Operating ModeENHANCEMENT MODE
ManufacturerInfineon Technologies
SeriesHEXFET®
SubcategoryFET General Purpose Power
TechnologyMOSFET (Metal Oxide)
Package / CaseTO-252-3, DPak (2 Leads + Tab), SC-63
Nominal Vgs4 V
JEDEC-95 CodeTO-252AA
FET TypeN-Channel
Sub-CategoriesTransistors - FETs, MOSFETs - Single
Vgs (Max)±20V
CategoriesDiscrete Semiconductor Products
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Vgs(th) (Max) @ Id4V @ 250μA
Voltage - Rated DC55V
Additional FeatureAVALANCHE RATED, HIGH RELIABILITY, ULTRA-LOW RESISTANCE
Pulsed Drain Current-Max (IDM)280A
Power Dissipation-Max140W Tc
Reflow Temperature-Max (s)30
Contact PlatingTin
Radiation HardeningNo
MountSurface Mount
Number of Pins3
Number of Terminations2
Width6.22mm
Gate to Source Voltage (Vgs)20V
Drive Voltage (Max Rds On,Min Rds On)10V
Length6.7056mm
Threshold Voltage4V
Height2.3876mm
Drain to Source Breakdown Voltage55V
Current - Continuous Drain (Id) @ 25°C30A Tc
Power Dissipation140W
Resistance13mOhm
Fall Time (Typ)54 ns
Current Rating71A
Continuous Drain Current (ID)71A
Gate Charge (Qg) (Max) @ Vgs93nC @ 10V
Rds On (Max) @ Id, Vgs13m Ω @ 30A, 10V
Input Capacitance (Ciss) (Max) @ Vds2030pF @ 25V
Manufacturer's Part No.IRFR3505PBF
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Cross-reference FAQ

Replacement Part Questions

Short answers for teams reviewing IRFR3505PBF replacement and equivalent-part options.

What is a cross-reference page for IRFR3505PBF?

This page groups mapped replacement options for IRFR3505PBF 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 IRFR3505PBF?

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 IRFR3505PBF 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 IRFR3505PBF?

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 IRFR3505PBF 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 IRFR3505PBF 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.