What is a cross-reference page for NTR4101PT1G?
This page groups mapped replacement options for NTR4101PT1G so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
NTR4101PT1G replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for NTR4101PT1G, then verify package, specifications, and application fit before approval.
Compare NTR4101PT1G 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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The left column stays visible so buyers can keep the spec label in view while scanning multiple alternatives.
| Parameter Comparison Chart | Current part NTR4101PT1G ON Semiconductor |
|---|---|
| Part Number | NTR4101PT1G |
| Manufacturer | ON Semiconductor |
| Category | Discrete Semiconductor Products |
| Subcategory | Transistors - FETs, MOSFETs - Single |
| Package | SOT-23 |
| Series | - |
| Key Attributes | - |
| Description | MOSFET P-CH 20V 1.8A SOT-23 |
| Lifecycle | - |
| Stock | 162,453 |
| Available | 50,027 |
| Min Order | 1 |
| Datasheet | Available |
| JESD-609 Code | e3 |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| HTSUS | 8541.21.0095 |
| ECCN Code | EAR99 |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| Number of Elements | 1 |
| Drain to Source Voltage (Vdss) | 20V |
| Turn On Delay Time | 7.5 ns |
| Rise Time | 12.6ns |
| Turn-Off Delay Time | 30.2 ns |
| Part Status | Active |
| Published | 2008 |
| 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 | 12 Weeks |
| Packaging | Tape & Reel (TR) |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Element Configuration | Single |
| Manufacturer | ON Semiconductor |
| Power Dissipation | 730mW |
| Operating Mode | ENHANCEMENT MODE |
| Technology | MOSFET (Metal Oxide) |
| Sub-Categories | Transistors - FETs, MOSFETs - Single |
| Categories | Discrete Semiconductor Products |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Operating Temperature | -55°C~150°C TJ |
| FET Type | P-Channel |
| Subcategory | Other Transistors |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Height | 940μm |
| Surface Mount | YES |
| Contact Plating | Tin |
| Radiation Hardening | No |
| Pbfree Code | yes |
| Number of Pins | 3 |
| Pin Count | 3 |
| Length | 2.9mm |
| Vgs (Max) | ±8V |
| Voltage - Rated DC | -20V |
| Drive Voltage (Max Rds On,Min Rds On) | 1.8V 4.5V |
| Gate to Source Voltage (Vgs) | 8V |
| Drain to Source Breakdown Voltage | -20V |
| Number of Terminations | 3 |
| Width | 1.3mm |
| Resistance | 70mOhm |
| Vgs(th) (Max) @ Id | 1.2V @ 250μA |
| Current - Continuous Drain (Id) @ 25°C | 1.8A Ta |
| Power Dissipation-Max | 420mW Ta |
| Gate Charge (Qg) (Max) @ Vgs | 8.5nC @ 4.5V |
| Fall Time (Typ) | 12.6 ns |
| Manufacturer's Part No. | NTR4101PT1G |
| Rds On (Max) @ Id, Vgs | 85m Ω @ 1.6A, 4.5V |
| Current Rating | -3.2A |
| Continuous Drain Current (ID) | -3.2A |
| Threshold Voltage | -720mV |
| Input Capacitance (Ciss) (Max) @ Vds | 675pF @ 10V |
| Nominal Vgs | -720 mV |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing NTR4101PT1G replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for NTR4101PT1G?
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 NTR4101PT1G 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 NTR4101PT1G?
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 NTR4101PT1G 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 NTR4101PT1G 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.