What is a cross-reference page for HUF75321D3ST?
This page groups mapped replacement options for HUF75321D3ST so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
HUF75321D3ST replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for HUF75321D3ST, then verify package, specifications, and application fit before approval.
Compare HUF75321D3ST against mapped replacement options
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This product currently does not show a published cross-reference list. Use RFQ support if your team needs an alternative part review.
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 HUF75321D3ST ON Semiconductor |
|---|---|
| Part Number | HUF75321D3ST |
| Manufacturer | ON Semiconductor |
| Category | Discrete Semiconductor Products |
| Subcategory | Transistors - FETs, MOSFETs - Single |
| Package | TO-252-3 |
| Series | UltraFET™ |
| Key Attributes | - |
| Description | MOSFET N-CH 55V 20A DPAK |
| Lifecycle | - |
| Stock | 167,732 |
| Available | 31,915 |
| Min Order | 1 |
| Datasheet | Available |
| Part Status | Active |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Lifecycle Status | ACTIVE (Last Updated: 3 days ago) |
| Mounting Type | Surface Mount |
| Factory Lead Time | 8 Weeks |
| Published | 2002 |
| Packaging | Tape & Reel (TR) |
| Terminal Form | GULL WING |
| Element Configuration | Single |
| Manufacturer | ON Semiconductor |
| Current Rating | 20A |
| Case Connection | DRAIN |
| Operating Temperature | -55°C~175°C TJ |
| Operating Mode | ENHANCEMENT MODE |
| Subcategory | FET General Purpose Power |
| Technology | MOSFET (Metal Oxide) |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| JEDEC-95 Code | TO-252AA |
| FET Type | N-Channel |
| Sub-Categories | Transistors - FETs, MOSFETs - Single |
| Vgs (Max) | ±20V |
| Categories | Discrete Semiconductor Products |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Vgs(th) (Max) @ Id | 4V @ 250μA |
| Voltage - Rated DC | 55V |
| Fall Time (Typ) | 66 ns |
| Radiation Hardening | No |
| Mount | Surface Mount |
| Pbfree Code | yes |
| Number of Pins | 3 |
| Number of Terminations | 2 |
| Gate to Source Voltage (Vgs) | 20V |
| Drive Voltage (Max Rds On,Min Rds On) | 10V |
| Continuous Drain Current (ID) | 20A |
| Drain to Source Breakdown Voltage | 55V |
| Weight | 260.37mg |
| Resistance | 36mOhm |
| Series | UltraFET™ |
| Current - Continuous Drain (Id) @ 25°C | 20A Tc |
| Input Capacitance (Ciss) (Max) @ Vds | 680pF @ 25V |
| Power Dissipation | 93W |
| Gate Charge (Qg) (Max) @ Vgs | 44nC @ 20V |
| Power Dissipation-Max | 93W Tc |
| Manufacturer's Part No. | HUF75321D3ST |
| Rds On (Max) @ Id, Vgs | 36m Ω @ 20A, 10V |
| Terminal Finish | Tin (Sn) |
| Turn On Delay Time | 11 ns |
| Turn-Off Delay Time | 47 ns |
| Number of Elements | 1 |
| Rise Time | 55ns |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| JESD-30 Code | R-PSSO-G2 |
| HTSUS | 8541.29.0095 |
| ECCN Code | EAR99 |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing HUF75321D3ST replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for HUF75321D3ST?
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 HUF75321D3ST 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 HUF75321D3ST?
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 HUF75321D3ST 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 HUF75321D3ST from ON Semiconductor 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.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.