STN851-A STMicroelectronics Transistor BJT NPN (SOT223 (3-Pin)) In Stock

ROHS COMPLIANT PACKAGE-4

ACTIVETransistor BJT NPNVerified May 2026
Package / Visual Reference
STN851-ASOT223 (3-Pin)
Quick Facts
Manufacturer
STMicroelectronics
Package
SOT223 (3-Pin)
Pin Count
4
Lifecycle
ACTIVE
Category
Transistor BJT NPN
Price
From $0.2470(MOQ 1)
Temp Range
?°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Factory Lead Time14Weeks
YTEOL1
Case ConnectionCOLLECTOR
Collector Current-Max (IC)5A
Collector-Emitter Voltage-Max60V
ConfigurationSINGLE
DC Current Gain-Min (hFE)30
JESD-30 CodeR-PDSO-G4
Number of Elements1
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Polarity/Channel TypeNPN
Power Dissipation-Max (Abs)1.6W
Qualification StatusNot Qualified
Surface MountYES
Terminal FormGULL WING
Terminal PositionDUAL
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Transition Frequency-Nom (fT)130MHz
PackageSOT223 (3-Pin)

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
Country of OriginMainland China

Datasheet

STN851-A Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for STN851-A:

STN851STMicroelectronics

Power Bipolar Transistor, 5A I(C), 60V V(BR)CEO, 1-Element, NPN, Silicon, Plastic/Epoxy, 4 Pin

View Part →

Frequently Asked Questions

What is the price of STN851-A?

STN851-A is priced from $0.2470 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is STN851-A in stock?

STN851-A is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy STN851-A?

You can buy STN851-A from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for STN851-A from STMicroelectronics.

What is the datasheet for STN851-A?

The official STN851-A datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does STN851-A come in?

STN851-A is available in SOT223 (3-Pin) packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

Why Buy from FindMyChip

Authorized Source
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Competitive Pricing
Factory-direct from China distributors, low MOQ
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About STMicroelectronics

STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.

AvailabilityIn Stock
Reference Price (USD)
From $0.2470
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$0.2470$0.25
pcs
Unit price: $0.2470 · Total: $0.25

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy