2SD1047 footprint, schematic symbol and 3D model by STMicroelectronics

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2SD1047 - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-3P

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Part Number 2SD1047
Manufacturer STMicroelectronics
Pin Count 3
Part Category Transistor BJT NPN
Package Category Transistor Outline, Vertical
Footprint Name Transistor Outline, Vertical - TO-3P
Released Date Jul 25, 2018
Last Modified Date Jan 8, 2026 2:31 PM UTC
Pinout / Pin List Click Here (Member Only)

2SD1047 Details

Manufacturer Part Number:
2SD1047
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
TO-3P
Package Description:
ROHS COMPLIANT, TO-3P, 3 PIN
Pin Count:
3
Country Of Origin:
South Korea
ECCN Code:
EAR99
Factory Lead Time:
111 Weeks
Manufacturer:
STMicroelectronics
YTEOL:
0
Collector Current-Max (IC):
12 A
Collector-Emitter Voltage-Max:
140 V
Configuration:
SINGLE
DC Current Gain-Min (hFE):
50
JESD-30 Code:
R-PSFM-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:
RECTANGULAR
Package Style:
FLANGE MOUNT
Peak Reflow Temperature (Cel):
260
Polarity/Channel Type:
NPN
Power Dissipation-Max (Abs):
100 W
Surface Mount:
NO
Terminal Finish:
Matte Tin (Sn)
Terminal Form:
THROUGH-HOLE
Terminal Position:
SINGLE
Time@Peak Reflow Temperature-Max (s):
30
Transistor Application:
AMPLIFIER
Transistor Element Material:
SILICON
Transition Frequency-Nom (fT):
20 MHz

2SD1047 Frequently Asked Questions (FAQs)

The 2SD1047 is a low-frequency transistor, and its maximum operating frequency is typically around 100 kHz to 200 kHz. It's not suitable for high-frequency applications.
To ensure linear operation, the 2SD1047 transistor should be biased in the active region, with a base-emitter voltage (Vbe) between 0.6V to 0.8V, and a collector-emitter voltage (Vce) around 1V to 5V. The base current should be limited to prevent saturation.
The maximum power dissipation of the 2SD1047 transistor is around 1W, depending on the ambient temperature and the thermal resistance of the package. It's essential to ensure proper heat sinking to prevent overheating.
While the 2SD1047 can be used as a switch, it's not the most suitable transistor for this purpose. It has a relatively low current gain (hFE) and a high saturation voltage, which can lead to power losses and reduced efficiency. A dedicated switching transistor like the 2N2222 or 2N3904 might be a better choice.
To protect the 2SD1047 transistor from ESD, use anti-static precautions during handling and storage, such as using an anti-static wrist strap, mat, or packaging materials. Additionally, consider adding ESD protection circuits or devices in the design to prevent damage.

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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