BC547BBU BC547BBU is an NPN bipolar junction transistor from On Semiconductor rated for 45V collector-emitter voltage and 100mA collector current. It comes in a through-hole TO-92-3 package with a 300MHz transition frequency.
Mfr Part #:

BC547BBU

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
BC547BBU is an NPN bipolar junction transistor from On Semiconductor rated for 45V collector-emitter voltage and 100mA collector current. It comes in a through-hole TO-92-3 package with a 300MHz transition frequency.
Total Stock: 140,000 pcs
$ Price Range: $0.05 - $0.25

BC547BBU Available from 1 distributor

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BC547BBU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

BC547BBU Description

Short technical summary and product information.

The BC547BBU is an NPN bipolar junction transistor manufactured by On Semiconductor. It is designed for general-purpose amplification and switching applications in low-power circuits. The device features a maximum collector-emitter voltage of 45V and a maximum collector current of 100mA, making it suitable for small-signal applications.

 

Key electrical characteristics include a DC current gain (hFE) of at least 200 at Ic=2mA and Vce=5V, and a maximum collector-emitter saturation voltage of 600mV at Ib=5mA and Ic=100mA. The transistor has a typical transition frequency of 300MHz, enabling use in moderate-frequency signal processing circuits.

 

The BC547BBU is housed in a through-hole TO-92-3 package (also known as TO-226-3 or TO-226AA), which is well-suited for breadboard prototyping and PCB designs requiring manual assembly. The device can dissipate up to 500mW of power and operates with a maximum junction temperature of 150°C.

 

This NPN transistor is commonly used in switching circuits, signal amplification stages, and as a driver for small loads. Its through-hole package and standard electrical ratings make it a versatile choice for educational projects, hobbyist electronics, and industrial control applications.

BC547BBU Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Canonical Name: NPN Bipolar Junction Transistor
Subcategory: Single BJT

BC547BBU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BC547BBU Estimated Pricing

Qty Low High
1+ $0.25 $0.25
10+ $0.16 $0.16
100+ $0.10 $0.10
500+ $0.06 $0.06
1,000+ $0.05 $0.05

Estimated market price range - modelled values for guidance only, not live distributor offers.

BC547BBU Features

  • NPN bipolar junction transistor for general use.
  • 45V maximum collector-emitter voltage rating.
  • 100mA maximum collector current capability.
  • 300MHz typical transition frequency for RF use.
  • Through-hole TO-92-3 package for easy assembly.

BC547BBU Applications

  • Ideal for low-power switching circuits.
  • Used in audio signal amplification stages.
  • Suitable for general-purpose signal buffering.
  • Common in hobbyist and educational electronics.

BC547BBU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the BC547BBU?

The maximum collector-emitter voltage (VCEO) is 45V.

What is the maximum collector current rating?

The maximum collector current (IC) is 100mA.

What package is the BC547BBU available in?

The BC547BBU comes in a through-hole TO-92-3 package, also known as TO-226-3 (TO-226AA).

What is the maximum junction temperature?

The maximum junction temperature (TJ) is 150°C.

What is the DC current gain (hFE) of this transistor?

The minimum DC current gain (hFE) is 200 at Ic=2mA and Vce=5V.

What is the transition frequency of the BC547BBU?

The typical transition frequency (fT) is 300MHz.

Is the BC547BBU RoHS compliant?

The BC547BBU is marked as RoHS3 compliant, though this is unverified and should be confirmed with the manufacturer.

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