BSW68A footprint, schematic symbol and 3D model by Central Semiconductor

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PCB Footprints

BSW68A - Central Semiconductor PCB footprint - Other - Other - TO-39_1

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Part Number BSW68A
Manufacturer Central Semiconductor
Pin Count 3
Part Category Transistor BJT NPN
Package Category Other
Footprint Name Other - TO-39_1
Released Date Dec 11, 2018
Last Modified Date Mar 7, 2023 4:10 PM UTC
Pinout / Pin List Click Here (Member Only)

BSW68A Details

Manufacturer Part Number:
BSW68A
Pbfree Code:
No
Part Life Cycle Code:
Transferred
Part Package Code:
TO-39
Package Description:
TO-39, 3 PIN
Pin Count:
3
ECCN Code:
EAR99
Manufacturer:
Central Semiconductor Corp
YTEOL:
6.5
Collector Current-Max (IC):
2 A
Collector-Emitter Voltage-Max:
150 V
Configuration:
SINGLE
DC Current Gain-Min (hFE):
30
JEDEC-95 Code:
TO-39
JESD-30 Code:
O-MBCY-W3
JESD-609 Code:
e0
Number of Elements:
1
Number of Terminals:
3
Operating Temperature-Max:
175 °C
Package Body Material:
METAL
Package Shape:
ROUND
Package Style:
CYLINDRICAL
Polarity/Channel Type:
NPN
Power Dissipation-Max (Abs):
0.8 W
Qualification Status:
Not Qualified
Surface Mount:
NO
Terminal Finish:
Tin/Lead (Sn/Pb)
Terminal Form:
WIRE
Terminal Position:
BOTTOM
Transistor Application:
SWITCHING
Transistor Element Material:
SILICON
Transition Frequency-Nom (fT):
80 MHz
Turn-off Time-Max (toff):
1000 ns

BSW68A Frequently Asked Questions (FAQs)

The recommended PCB footprint for the BSW68A is a standard SOT-223 package with a minimum pad size of 1.5mm x 1.5mm and a thermal pad size of 2.5mm x 2.5mm.
While the BSW68A is a general-purpose transistor, it's not recommended for high-frequency switching applications above 100 kHz due to its relatively high transition frequency (fT) of 150 MHz. For high-frequency applications, consider using a transistor with a higher fT rating.
To ensure proper biasing for linear operation, set the base-emitter voltage (VBE) between 0.65V to 0.85V, and the collector-emitter voltage (VCE) between 1V to 10V. Additionally, ensure the base current (IB) is within the recommended range of 1mA to 10mA.
The maximum power dissipation of the BSW68A is 1.5W at a junction temperature (TJ) of 25°C. However, this value can be derated to 0.75W at a TJ of 100°C.
The BSW68A is rated for operation up to a junction temperature (TJ) of 150°C. However, it's recommended to derate the power dissipation and ensure proper heat sinking to prevent thermal runaway.

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