What is a cross-reference page for STK850?
This page groups mapped replacement options for STK850 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
STK850 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for STK850, then verify package, specifications, and application fit before approval.
Compare STK850 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 STK850 STMicroelectronics |
|---|---|
| Part Number | STK850 |
| Manufacturer | STMicroelectronics |
| Category | Discrete Semiconductor Products |
| Subcategory | Transistors - FETs, MOSFETs - Single |
| Package | - |
| Series | STripFET™ |
| Key Attributes | - |
| Description | MOSFET N-CH 30V 30A POLARPAK |
| Lifecycle | - |
| Stock | 92,751 |
| Available | 61,474 |
| Min Order | 1 |
| Datasheet | Available |
| 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-XDSO-N4 |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Turn-Off Delay Time | 31 ns |
| Number of Elements | 1 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Dual Supply Voltage | 30V |
| Rise Time | 57ns |
| Lead Free | Lead Free |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Part Status | Obsolete |
| Termination | SMD/SMT |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Reach Compliance Code | not_compliant |
| Qualification Status | Not Qualified |
| Element Configuration | Single |
| Terminal Form | NO LEAD |
| Manufacturer | STMicroelectronics |
| 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 |
| Vgs(th) (Max) @ Id | 2.5V @ 250μA |
| Series | STripFET™ |
| Nominal Vgs | 2.5 V |
| Mount | Surface Mount |
| Number of Terminations | 4 |
| Voltage - Rated DC | 30V |
| Number of Pins | 10 |
| Current Rating | 30A |
| Pin Count | 10 |
| Drain to Source Breakdown Voltage | 30V |
| Fall Time (Typ) | 13 ns |
| Continuous Drain Current (ID) | 30A |
| Current - Continuous Drain (Id) @ 25°C | 30A Tc |
| Gate to Source Voltage (Vgs) | 16V |
| Power Dissipation | 5.2W |
| Case Connection | SOURCE |
| Resistance | 2.9mOhm |
| Input Capacitance (Ciss) (Max) @ Vds | 3150pF @ 25V |
| Power Dissipation-Max | 5.2W Tc |
| Package / Case | PolarPak® |
| Base Part Number | STK8 |
| Manufacturer's Part No. | STK850 |
| Rds On (Max) @ Id, Vgs | 2.9m Ω @ 15A, 10V |
| Gate Charge (Qg) (Max) @ Vgs | 32.5nC @ 4.5V |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing STK850 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for STK850?
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 STK850 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 STK850?
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 STK850 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 STK850 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.