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2SA812-T1B-A
+物料清單Bipolar Transistors - BJT
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製造商部分 #2SA812-T1B-A
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概述
Equivalent
The 2SA812-T1B-A is a PNP transistor. Equivalent or similar replacements include:
- 2SA812 (original part)
- 2SA1015 (common substitute)
- BC557 (general-purpose PNP)
- 2N3906 (lower power alternative)
- KSA1015 (SMD equivalent)
Check pinout, voltage/current ratings, and package compatibility before substitution. For exact matches, refer to datasheets or distributor cross-reference tools.
- 2SA812 (original part)
- 2SA1015 (common substitute)
- BC557 (general-purpose PNP)
- 2N3906 (lower power alternative)
- KSA1015 (SMD equivalent)
Check pinout, voltage/current ratings, and package compatibility before substitution. For exact matches, refer to datasheets or distributor cross-reference tools.
Features
The 2SA812-T1B-A is a PNP bipolar junction transistor (BJT) with the following key features:
- Type: PNP
- Voltage (VCEO): -50V
- Current (IC): -0.1A
- Power Dissipation (Pc): 0.3W
- Gain (hFE): 120–400 (high gain)
- Package: SOT-23 (small surface-mount)
- Frequency (fT): ~200MHz (suitable for high-frequency applications)
- Low Noise: Ideal for signal amplification
Commonly used in audio amplifiers, switching circuits, and RF applications due to its high gain and compact size.
- Type: PNP
- Voltage (VCEO): -50V
- Current (IC): -0.1A
- Power Dissipation (Pc): 0.3W
- Gain (hFE): 120–400 (high gain)
- Package: SOT-23 (small surface-mount)
- Frequency (fT): ~200MHz (suitable for high-frequency applications)
- Low Noise: Ideal for signal amplification
Commonly used in audio amplifiers, switching circuits, and RF applications due to its high gain and compact size.
Manufacturer
The 2SA812-T1B-A is a PNP transistor manufactured by Toshiba, a well-known Japanese multinational conglomerate specializing in electronics and semiconductors. Toshiba has a strong reputation for producing high-quality electronic components, including transistors, diodes, and integrated circuits. The company is recognized for its innovation and reliability in the semiconductor industry.
The 2SA812-T1B-A is part of Toshiba's discrete semiconductor lineup, commonly used in amplification and switching applications. Toshiba's components are widely used in consumer electronics, industrial equipment, and automotive systems.
The 2SA812-T1B-A is part of Toshiba's discrete semiconductor lineup, commonly used in amplification and switching applications. Toshiba's components are widely used in consumer electronics, industrial equipment, and automotive systems.
Application
The 2SA812-T1B-A is a PNP bipolar junction transistor (BJT) commonly used in:
1. Amplification Circuits – Audio and signal amplification in consumer electronics.
2. Switching Applications – Low-power switching in control circuits.
3. Voltage Regulation – Used in power supply circuits for stabilization.
4. Driver Stages – Controls relays, LEDs, or small motors.
Its low noise and high gain make it suitable for small-signal applications in devices like radios, amplifiers, and power management systems.
1. Amplification Circuits – Audio and signal amplification in consumer electronics.
2. Switching Applications – Low-power switching in control circuits.
3. Voltage Regulation – Used in power supply circuits for stabilization.
4. Driver Stages – Controls relays, LEDs, or small motors.
Its low noise and high gain make it suitable for small-signal applications in devices like radios, amplifiers, and power management systems.
Package
The 2SA812-T1B-A is a PNP transistor typically available in a TO-92 package, a common through-hole plastic casing with three leads. It’s compact and widely used for low-power applications. The "-T1B" suffix may indicate specific tape-and-reel packaging for automated assembly. Confirm exact details with the manufacturer’s datasheet for variations.
