What is a cross-reference page for FQA28N50?
This page groups mapped replacement options for FQA28N50 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
FQA28N50 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for FQA28N50, then verify package, specifications, and application fit before approval.
Compare FQA28N50 against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
No mapped replacement parts yet
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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The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part FQA28N50 ON Semiconductor |
|---|---|
| Part Number | FQA28N50 |
| Manufacturer | ON Semiconductor |
| Category | Discrete Semiconductor Products |
| Subcategory | Transistors - FETs, MOSFETs - Single |
| Package | TO- |
| Series | QFET® |
| Key Attributes | - |
| Description | MOSFET N-CH 500V 28.4A TO-3P |
| Lifecycle | - |
| Stock | 103,658 |
| Available | 52,211 |
| Min Order | 1 |
| Datasheet | Available |
| Mounting Type | Through Hole |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Packaging | Tube |
| Factory Lead Time | 4 Weeks |
| Part Status | Obsolete |
| Length | 15.8mm |
| Published | 2000 |
| Element Configuration | Single |
| Manufacturer | ON Semiconductor |
| Operating Mode | ENHANCEMENT MODE |
| Technology | MOSFET (Metal Oxide) |
| FET Type | N-Channel |
| Sub-Categories | Transistors - FETs, MOSFETs - Single |
| Categories | Discrete Semiconductor Products |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Operating Temperature | -55°C~150°C TJ |
| Power Dissipation | 310W |
| Power Dissipation-Max | 310W Tc |
| Series | QFET® |
| Vgs (Max) | ±30V |
| Contact Plating | Tin |
| Radiation Hardening | No |
| Pbfree Code | yes |
| Mount | Through Hole |
| Number of Pins | 3 |
| Number of Terminations | 3 |
| Width | 5mm |
| Drive Voltage (Max Rds On,Min Rds On) | 10V |
| Voltage - Rated DC | 500V |
| Vgs(th) (Max) @ Id | 5V @ 250μA |
| Gate to Source Voltage (Vgs) | 30V |
| Nominal Vgs | 5 V |
| Drain to Source Breakdown Voltage | 500V |
| Gate Charge (Qg) (Max) @ Vgs | 140nC @ 10V |
| Input Capacitance (Ciss) (Max) @ Vds | 5600pF @ 25V |
| Package / Case | TO-3P-3, SC-65-3 |
| Weight | 6.401g |
| Height | 18.9mm |
| Lifecycle Status | ACTIVE, NOT REC (Last Updated: 1 week ago) |
| Fall Time (Typ) | 175 ns |
| Rds On (Max) @ Id, Vgs | 160m Ω @ 14.2A, 10V |
| Manufacturer's Part No. | FQA28N50 |
| Current - Continuous Drain (Id) @ 25°C | 28.4A Tc |
| Continuous Drain Current (ID) | 28.4A |
| Current Rating | 28.4A |
| JESD-609 Code | e3 |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| HTSUS | 8541.29.0095 |
| ECCN Code | EAR99 |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| Number of Elements | 1 |
| Turn-Off Delay Time | 250 ns |
| Turn On Delay Time | 100 ns |
| Rise Time | 290ns |
| Dual Supply Voltage | 500V |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing FQA28N50 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for FQA28N50?
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 FQA28N50 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 FQA28N50?
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 FQA28N50 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 FQA28N50 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.
developer_board
Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
tune
Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
task_alt
Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.