What is a cross-reference page for STL55NH3LL?
This page groups mapped replacement options for STL55NH3LL so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
STL55NH3LL replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for STL55NH3LL, then verify package, specifications, and application fit before approval.
Compare STL55NH3LL against mapped replacement options
Review package, lifecycle, stock, and MOQ in one view
Move from engineering screening to RFQ without leaving the page
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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 STL55NH3LL STMicroelectronics |
|---|---|
| Part Number | STL55NH3LL |
| Manufacturer | STMicroelectronics |
| Category | Discrete Semiconductor Products |
| Subcategory | Transistors - FETs, MOSFETs - Single |
| Package | - |
| Series | STripFET™ |
| Key Attributes | - |
| Description | MOSFET N-CH 30V 55A POWERFLAT |
| Lifecycle | - |
| Stock | 136,391 |
| Available | 82,263 |
| Min Order | 1 |
| Datasheet | Available |
| Lead Free | Lead Free |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Part Status | Obsolete |
| Terminal Position | DUAL |
| Qualification Status | Not Qualified |
| Terminal Form | NO LEAD |
| Manufacturer | STMicroelectronics |
| Case Connection | DRAIN |
| 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 |
| Operating Temperature | -55°C~150°C TJ |
| Drive Voltage (Max Rds On,Min Rds On) | 4.5V 10V |
| Vgs (Max) | ±16V |
| Additional Feature | LOW THRESHOLD |
| Vgs(th) (Max) @ Id | 2.5V @ 250μA |
| Series | STripFET™ |
| Mount | Surface Mount |
| Pbfree Code | yes |
| Number of Terminations | 5 |
| Number of Pins | 8 |
| Pin Count | 8 |
| Reach Compliance Code | unknown |
| Peak Reflow Temperature (Cel) | 225 |
| Drain to Source Breakdown Voltage | 30V |
| Pulsed Drain Current-Max (IDM) | 60A |
| Avalanche Energy Rating (Eas) | 150 mJ |
| Gate to Source Voltage (Vgs) | 16V |
| Gate Charge (Qg) (Max) @ Vgs | 12nC @ 4.5V |
| Threshold Voltage | 2.5V |
| Drain Current-Max (Abs) (ID) | 15A |
| Power Dissipation | 60W |
| Current - Continuous Drain (Id) @ 25°C | 55A Tc |
| Continuous Drain Current (ID) | 55A |
| Fall Time (Typ) | 8.5 ns |
| Power Dissipation-Max | 60W Tc |
| Package / Case | 8-PowerVDFN |
| Input Capacitance (Ciss) (Max) @ Vds | 965pF @ 25V |
| Rds On (Max) @ Id, Vgs | 8.8m Ω @ 7.5A, 10V |
| Resistance | 8.8mOhm |
| Base Part Number | STL55 |
| Manufacturer's Part No. | STL55NH3LL |
| JESD-609 Code | e3 |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| ECCN Code | EAR99 |
| JESD-30 Code | R-PDSO-N5 |
| Terminal Finish | MATTE TIN |
| Number of Elements | 1 |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Rise Time | 32ns |
| Configuration | SINGLE WITH BUILT-IN DIODE |
| Turn-Off Delay Time | 18 ns |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing STL55NH3LL replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for STL55NH3LL?
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 STL55NH3LL 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 STL55NH3LL?
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 STL55NH3LL 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 STL55NH3LL from STMicroelectronics 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.