BC549BTA footprint, schematic symbol and 3D model by onsemi

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PCB Footprints

BC549BTA - onsemi PCB footprint - Other - Other - TO−92 3 4.83x4.76 LEADFORMED CASE 135AR ISSUE O-1

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3D Models

BC549BTA - onsemi - 3D model - Other - TO−92 3 4.83x4.76 LEADFORMED CASE 135AR ISSUE O-1

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Datasheet Download Datasheet
Stock & Prices Price & Stock for BC549BTA
Part Number BC549BTA
Manufacturer onsemi
Pin Count 3
Part Category Transistor BJT NPN
Package Category Other
Footprint Name Other - TO−92 3 4.83x4.76 LEADFORMED CASE 135AR ISSUE O-1
Released Date Dec 26, 2018
Last Modified Date Jan 22, 2025 4:53 PM UTC
Pinout / Pin List Click Here (Member Only)

BC549BTA Details

Manufacturer Part Number:
BC549BTA
Brand Name:
onsemi
Pbfree Code:
Yes
Rohs Code:
Yes
Part Life Cycle Code:
Active
Part Package Code:
TO-92-3 LF
Manufacturer Package Code:
135AR
Country Of Origin:
Mainland China
ECCN Code:
EAR99
Manufacturer:
onsemi
YTEOL:
6.5
Additional Feature:
LOW NOISE
Collector Current-Max (IC):
0.1 A
Collector-Emitter Voltage-Max:
30 V
Configuration:
SINGLE
DC Current Gain-Min (hFE):
200
JEDEC-95 Code:
TO-92
JESD-30 Code:
O-PBCY-T3
JESD-609 Code:
e3
Number of Elements:
1
Number of Terminals:
3
Operating Temperature-Max:
150 °C
Package Body Material:
PLASTIC/EPOXY
Package Shape:
ROUND
Package Style:
CYLINDRICAL
Polarity/Channel Type:
NPN
Power Dissipation-Max (Abs):
0.625 W
Qualification Status:
Not Qualified
Surface Mount:
NO
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
THROUGH-HOLE
Terminal Position:
BOTTOM
Transistor Application:
SWITCHING
Transistor Element Material:
SILICON
Transition Frequency-Nom (fT):
300 MHz

BC549BTA Frequently Asked Questions (FAQs)

The maximum operating temperature range for the BC549BTA is -55°C to 150°C.
Yes, the BC549BTA can be used in switching applications, but it's primarily designed for linear amplifier applications. It's essential to ensure the transistor is operated within its safe operating area (SOA) to prevent damage.
The choice of resistor values depends on the specific application and the desired current gain. A general rule of thumb is to choose a base resistor that limits the base current to 1-5% of the collector current. The collector resistor should be chosen to provide the desired collector voltage and current.
The maximum collector-emitter voltage (Vce) that the BC549BTA can handle is 30V.
The BC549BTA is not optimized for high-frequency applications. It has a transition frequency (fT) of around 150 MHz, which makes it more suitable for low-to-medium frequency applications.

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BC549BTA Overview

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BC549BTA - onsemi

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