BC107B STMicroelectronics Transistor BJT NPN (Other) In Stock

BC107B is a low-noise NPN bipolar junction transistor from STMicroelectronics rated for 0.1 A collector current and 45 V collector-emitter voltage, with a minimum current gain (hFE) of 200, packaged in a 3-pin TO-18 metal can for audio and general-purpose amplification applications.

OBSOLETETransistor BJT NPNVerified Jul 2026
Package / Visual Reference
BC107BOther
Quick Facts
Manufacturer
STMicroelectronics
Package
Other
Pin Count
3
Lifecycle
OBSOLETE
Category
Transistor BJT NPN
Price
From $0.2510(MOQ 1)
Temp Range
?°C to 175.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of BC107B?

  • Low-noise NPN bipolar junction transistor
  • 45 V maximum collector-emitter voltage (VCEO)
  • 0.1 A maximum collector current (IC)
  • Minimum DC current gain (hFE) of 200
  • 3-pin TO-18 metal can package (JEDEC TO-18)
  • Single-element configuration for general-purpose amplification

What is BC107B used for?

The BC107B is well suited for low-noise audio preamplifier stages, small-signal amplification, and general-purpose switching circuits where its 200 minimum hFE and 45 V breakdown rating provide reliable headroom. Its TO-18 metal can package also offers good thermal stability for precision analog front-end designs.

What are the specifications of BC107B?

YTEOL0
Additional FeatureLOW NOISE
Collector Current-Max (IC)0.1A
Collector-Emitter Voltage-Max45V
ConfigurationSINGLE
DC Current Gain-Min (hFE)200
JEDEC-95 CodeTO-18
JESD-30 CodeO-MBCY-T3
JESD-609 Codee3
Number of Elements1
Package Body MaterialMETAL
Package ShapeROUND
Package StyleCYLINDRICAL
Peak Reflow Temperature (Cel)NOT SPECIFIED
Polarity/Channel TypeNPN
Power Dissipation-Max (Abs)0.6W
Qualification StatusNot Qualified
Surface MountNO
Terminal FinishMatte Tin (Sn)
Terminal FormTHROUGH-HOLE
Terminal PositionBOTTOM
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED
Transistor ApplicationAMPLIFIER
Transistor Element MaterialSILICON
Transition Frequency-Nom (fT)100MHz
## BC107B Alternates Showing resultsImage
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99

Where can I find the BC107B datasheet?

BC107B Datasheet Download

Official datasheet from STMicroelectronics

What are equivalent replacements for BC107B?

Compatible alternatives and drop-in replacements for BC107B:

Frequently Asked Questions

What is the maximum collector current the BC107B can handle in small-signal circuits?

The BC107B is rated for a maximum collector current (IC) of 0.1 A and a collector-emitter breakdown voltage of 45 V, with a minimum current gain (hFE) of 200 for reliable amplification.

How does the BC107B's TO-18 package benefit precision analog circuit designs?

Housed in a 3-pin TO-18 metal can, the BC107B offers a rugged hermetic package that supports its low-noise performance and 45 V collector-emitter rating in sensitive audio front-end circuitry.

Why is the BC107B commonly chosen for low-noise audio amplifier stages?

Its low-noise construction and minimum hFE of 200 let designers achieve clean small-signal gain at currents up to 0.1 A, making the BC107B a common choice for preamplifier and audio front-end circuits.

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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 $0.2510
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$2.0250$2.02
11+$1.4700$16.17
13+$1.2150$15.80
25+$0.3150$7.88
100+$0.2840$28.40
500+$0.2510$125.50
pcs
Unit price: $2.0250 · Total: $2.02

In Stock · 24h Response · Worldwide Shipping

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

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Rajesh Patel
Procurement Manager, VoltEdge Energy, India