What is a cross-reference page for FDH44N50?
This page groups mapped replacement options for FDH44N50 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
FDH44N50 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for FDH44N50, then verify package, specifications, and application fit before approval.
Compare FDH44N50 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 FDH44N50 ON Semiconductor |
|---|---|
| Part Number | FDH44N50 |
| Manufacturer | ON Semiconductor |
| Category | Discrete Semiconductor Products |
| Subcategory | Transistors - FETs, MOSFETs - Single |
| Package | TO-247 |
| Series | - |
| Key Attributes | - |
| Description | MOSFET N-CH 500V 44A TO-247 |
| Lifecycle | - |
| Stock | 38,890 |
| Available | 19,283 |
| Min Order | 1 |
| Datasheet | Available |
| Part Status | Active |
| Mounting Type | Through Hole |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| Lead Free | Lead Free |
| Packaging | Tube |
| Lifecycle Status | ACTIVE (Last Updated: 3 days ago) |
| Factory Lead Time | 7 Weeks |
| Published | 2013 |
| Element Configuration | Single |
| Length | 15.87mm |
| Manufacturer | ON Semiconductor |
| Case Connection | DRAIN |
| Operating Temperature | -55°C~175°C TJ |
| Operating Mode | ENHANCEMENT MODE |
| Subcategory | FET General Purpose Power |
| 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 |
| Vgs(th) (Max) @ Id | 4V @ 250μA |
| Vgs (Max) | ±30V |
| Package / Case | TO-247-3 |
| Radiation Hardening | No |
| Pbfree Code | yes |
| Mount | Through Hole |
| Number of Pins | 3 |
| Number of Terminations | 3 |
| Termination | Through Hole |
| Drive Voltage (Max Rds On,Min Rds On) | 10V |
| Voltage - Rated DC | 500V |
| Gate to Source Voltage (Vgs) | 30V |
| Width | 4.82mm |
| Current - Continuous Drain (Id) @ 25°C | 44A Tc |
| Drain to Source Breakdown Voltage | 500V |
| Resistance | 120mOhm |
| Current Rating | 44A |
| Fall Time (Typ) | 79 ns |
| Continuous Drain Current (ID) | 44A |
| Height | 20.82mm |
| Weight | 6.39g |
| Gate Charge (Qg) (Max) @ Vgs | 108nC @ 10V |
| Input Capacitance (Ciss) (Max) @ Vds | 5335pF @ 25V |
| Nominal Vgs | 3.15 V |
| Power Dissipation-Max | 750W Tc |
| Threshold Voltage | 3.15V |
| Rds On (Max) @ Id, Vgs | 120m Ω @ 22A, 10V |
| Manufacturer's Part No. | FDH44N50 |
| Power Dissipation | 750W |
| JESD-609 Code | e3 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| HTSUS | 8541.29.0095 |
| ECCN Code | EAR99 |
| Terminal Finish | Tin (Sn) |
| Turn-Off Delay Time | 45 ns |
| Rise Time | 84ns |
| Number of Elements | 1 |
| Turn On Delay Time | 16 ns |
| Dual Supply Voltage | 500V |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing FDH44N50 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for FDH44N50?
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 FDH44N50 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 FDH44N50?
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 FDH44N50 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 FDH44N50 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.