BUL39D STMicroelectronics Transistor BJT NPN (Transistor Outline, Vertical) In Stock

BUL39D, NPN Bipolar Transistor, 4 A 450 V HFE:4 Power, 3-Pin TO-220

OBSOLETETransistor BJT NPNVerified May 2026
Package / Visual Reference
BUL39DTransistor Outline, Vertical
Quick Facts
Manufacturer
STMicroelectronics
Package
Transistor Outline, Vertical
Pin Count
3
Lifecycle
OBSOLETE
Category
Transistor BJT NPN
Price
From $0.2765(MOQ 3000)
Temp Range
?°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

YTEOL0
Collector Current-Max (IC)4A
Collector-Emitter Voltage-Max450V
ConfigurationSINGLE WITH BUILT-IN DIODE
DC Current Gain-Min (hFE)4
JEDEC-95 CodeTO-220AB
JESD-30 CodeR-PSFM-T3
JESD-609 Codee3
Number of Elements1
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleFLANGE MOUNT
Polarity/Channel TypeNPN
Power Dissipation Ambient-Max70W
Power Dissipation-Max (Abs)70W
Qualification StatusNot Qualified
Surface MountNO
Terminal FinishMATTE TIN
Terminal FormTHROUGH-HOLE
Terminal PositionSINGLE
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Turn-off Time-Max (toff)1600ns
VCEsat-Max1.1V
PackageTransistor Outline, Vertical

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8541.29.00.95

Datasheet

BUL39D Datasheet Download

Official datasheet from STMicroelectronics

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the price of BUL39D?

BUL39D is priced from $0.2765 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is BUL39D in stock?

BUL39D is currently available at FindMyChip. We maintain stock from authorized distributors and ship worldwide with typical 3-7 business day lead time.

Where can I buy BUL39D?

You can buy BUL39D from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for BUL39D from STMicroelectronics.

What is the datasheet for BUL39D?

The official BUL39D 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 BUL39D come in?

BUL39D is available in Transistor Outline, Vertical 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
Fast Shipping
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Quality Guaranteed
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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 $0.2765
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
3000+$0.2765$829.62
pcs
Unit price: $0.2765 · Total: $829.62

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

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India