STMicroelectronics STP55NF

STP55NF variants from STMicroelectronics

Variants

Mfr

STMicroelectronics

Lifecycle

Active

STP55NF Overview

What changes between part numbers, and what to check before you lock the BOM — MOSFETs.

Key Features

Lifecycle mix: ActiveConfirm lifecycle on the exact MPN, not just the base number prefix.
3 distinct suffix patternsExamples: 06, 06FP, 06L. Decode suffix meaning in the ordering notes under the variant table.

Target Applications

MOSFETs — design-in and field replacement
BOM scrub where only the base prefix is known but suffix is TBD
Second-source checks when the original MPN is constrained

Ordering Variants

Compare 3 STP55NF part numbers by package, electrical parameters, lifecycle, and availability. Use RFQ for stock and lead-time confirmation.

Part Number	Description	Manufacturer	Lifecycle	RoHS	Availability	Action
STP55NF06	60V 50A N-CH MOSFET TO-220 18mR	STMicroelectronics	Active	Compliant	In Stock	RFQ
STP55NF06FP	N-Ch MOSFET 60V 50A 18mR TO-220FP	STMicroelectronics	Active	Compliant	In Stock	RFQ
STP55NF06L	N-Ch MOSFET, 60V, 55A, 18mR RdsOn, TO-220	STMicroelectronics	Active	Compliant	In Stock	RFQ

Ordering Code Differences

How suffixes on STP55NF map to package, grade, and reel options.

How to Choose the Right STP55NF MOSFETs

📦

Match the footprint first

Pull the exact package drawing for your MPN — base-number swaps fail most often at the footprint, not the schematic.

⚡

Electrical headroom

Compare voltage and current columns in the variant table. For STP55NF, a suffix with lower voltage or current rating will not survive the same circuit without recalculation.

🌡️

Temp grade letter matters

Commercial (0–70 °C) and industrial (−40–85 °C+) suffixes look similar in the prefix — confirm ambient + self-heating, not just the first page of the datasheet.

🔢

Copy the full MPN

Do not BOM only "STP55NF" — include the full suffix (e.g. 06, 06FP, 06L). RFQ with reel/tube preference and required date code.

Technical Specifications

Core parameters for STP55NF product family

Identity

Base Model

STP55NF

Manufacturer

STMicroelectronics

Listed Variants

Variant Parameters

Lifecycle Status

Active

RoHS Status

Compliant

Source STP55NF with Octatronics

Request stock confirmation, lead time, date code, and pricing for all 3 ordering variants from STMicroelectronics. Our team supports active, EOL, and hard-to-find component sourcing.

Original manufacturer parts with traceability options
BOM upload and multi-line RFQ support
Package, grade, and compliance verification

Request Quote View STMicroelectronics Browse all base models →

Frequently Asked Questions

Common technical questions about the STP55NF product family.

Is STP55NF a single part I can order, or a family prefix?

STP55NF is a base / family code from STMicroelectronics. You order a full MPN such as STP55NF06, STP55NF06FP, STP55NF06L. The variant table lists 3 orderable lines with different suffixes.

What do the suffix letters on STP55NF part numbers mean?

Listed suffix fragments include: 06, 06FP, 06L. Typically they encode package (see Package column), temperature grade, and tape/reel option. Always decode on the STMicroelectronics datasheet ordering guide — do not guess from pattern alone.

What is the lifecycle status of STP55NF variants?

Lifecycle values in our listing: Active. Status is per MPN suffix — one variant can be Active while another is NRND. Check PCN for your exact suffix before multi-year commitments.

What should I send for an RFQ on STP55NF?

Full manufacturer MPN (not just STP55NF), quantity, needed date code, reel vs tube, and any compliance docs (CoC, RoHS, conflict minerals). If you only know the base prefix, include a photo of the existing label or reel.