仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR) |
| Series | SOT-23 |
| Part Status | Active |
| Transistor Type | PNP |
| Current - Collector(Ic)(Max) | 500 mA |
| Voltage - Collector Emitter Breakdown(Max) | 25 V |
| Vce Saturation(Max) @ Ib Ic | 600mV @ 50mA, 500mA |
| Current - Collector Cutoff(Max) | 100nA (ICBO) |
| DC Current Gain(h FE)(Min) @ Ic Vce | 120 @ 50mA, 1V |
| Power - Max | 300 mW |
| Frequency - Transition | 150MHz |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The S8550 is a PNP bipolar junction transistor (BJT) commonly used for amplification and switching in electronic circuits.
### Key Features:
- Type: PNP (positive-negative-positive)
- Package: TO-92 (small, through-hole)
- Max Ratings:
- Collector-Base Voltage (VCBO): -30V
- Collector-Emitter Voltage (VCEO): -25V
- Emitter-Base Voltage (VEBO): -5V
- Collector Current (IC): -500mA
- Power Dissipation (Ptot): 625mW
### Applications:
- Low-power switching (relays, LEDs)
- Signal amplification
- Audio circuits
### Complementary NPN Transistor:
- S8050 (similar specs but NPN type)
### Pinout (TO-92):
1. Emitter (E)
2. Base (B)
3. Collector (C)
The S8550 is widely available and cost-effective, making it popular in hobbyist and commercial designs. Always check datasheets for exact specifications.
### Key Features:
- Type: PNP (positive-negative-positive)
- Package: TO-92 (small, through-hole)
- Max Ratings:
- Collector-Base Voltage (VCBO): -30V
- Collector-Emitter Voltage (VCEO): -25V
- Emitter-Base Voltage (VEBO): -5V
- Collector Current (IC): -500mA
- Power Dissipation (Ptot): 625mW
### Applications:
- Low-power switching (relays, LEDs)
- Signal amplification
- Audio circuits
### Complementary NPN Transistor:
- S8050 (similar specs but NPN type)
### Pinout (TO-92):
1. Emitter (E)
2. Base (B)
3. Collector (C)
The S8550 is widely available and cost-effective, making it popular in hobbyist and commercial designs. Always check datasheets for exact specifications.
Equivalent
The S8550 is a PNP transistor. Equivalent products include:
- 2N3906 (general-purpose PNP)
- BC557 (low-power PNP)
- 2SA1015 (similar specs)
- BC327 (higher current rating)
- KTA1266 (higher voltage)
Check pinout and specs for compatibility. Always verify datasheets before substitution.
- 2N3906 (general-purpose PNP)
- BC557 (low-power PNP)
- 2SA1015 (similar specs)
- BC327 (higher current rating)
- KTA1266 (higher voltage)
Check pinout and specs for compatibility. Always verify datasheets before substitution.
Pinout
The S8550 is a PNP bipolar junction transistor (BJT) with 3 pins:
1. Emitter (E): Connected to the positive supply in typical circuits.
2. Base (B): Controls the transistor's switching/amplification.
3. Collector (C): Connects to the load, sourcing current in PNP configurations.
Key Functions:
- Amplification: Used in signal amplification.
- Switching: Acts as a switch in electronic circuits.
- Low-power applications: Common in small-signal circuits.
Max Ratings (typical):
- Collector-Base Voltage (VCBO): -30V
- Collector Current (IC): -500mA
- Power Dissipation (Ptot): 625mW
Compact and widely used in audio, switching, and driver circuits.
1. Emitter (E): Connected to the positive supply in typical circuits.
2. Base (B): Controls the transistor's switching/amplification.
3. Collector (C): Connects to the load, sourcing current in PNP configurations.
Key Functions:
- Amplification: Used in signal amplification.
- Switching: Acts as a switch in electronic circuits.
- Low-power applications: Common in small-signal circuits.
Max Ratings (typical):
- Collector-Base Voltage (VCBO): -30V
- Collector Current (IC): -500mA
- Power Dissipation (Ptot): 625mW
Compact and widely used in audio, switching, and driver circuits.
Manufacturer
The S8550 is a PNP bipolar junction transistor (BJT) commonly manufactured by several semiconductor companies, including ON Semiconductor, STMicroelectronics, and Toshiba.
These companies are well-established global semiconductor manufacturers:
- ON Semiconductor: Focuses on power management, analog, and sensor solutions.
- STMicroelectronics: A major European chipmaker specializing in microcontrollers, power devices, and sensors.
- Toshiba: A Japanese electronics giant known for discrete semiconductors and memory chips.
The S8550 is widely used in amplification and switching applications. Exact specifications may vary slightly by manufacturer. For precise details, check the datasheet from the specific supplier.
These companies are well-established global semiconductor manufacturers:
- ON Semiconductor: Focuses on power management, analog, and sensor solutions.
- STMicroelectronics: A major European chipmaker specializing in microcontrollers, power devices, and sensors.
- Toshiba: A Japanese electronics giant known for discrete semiconductors and memory chips.
The S8550 is widely used in amplification and switching applications. Exact specifications may vary slightly by manufacturer. For precise details, check the datasheet from the specific supplier.
Application
The S8550 is a PNP bipolar junction transistor (BJT) commonly used in:
1. Amplification Circuits – Audio and signal amplification.
2. Switching Applications – Relay drivers, LED controls, and power management.
3. Signal Inversion – Logic level shifting.
4. Oscillators & Timers – Pulse generation in circuits.
5. Consumer Electronics – TVs, radios, and small appliances.
Its low power (625mW) and moderate current (500mA) make it suitable for low-voltage applications.
1. Amplification Circuits – Audio and signal amplification.
2. Switching Applications – Relay drivers, LED controls, and power management.
3. Signal Inversion – Logic level shifting.
4. Oscillators & Timers – Pulse generation in circuits.
5. Consumer Electronics – TVs, radios, and small appliances.
Its low power (625mW) and moderate current (500mA) make it suitable for low-voltage applications.
Package
The S8550 transistor is commonly available in the TO-92 package, a small, through-hole plastic package with three leads. It is widely used for general-purpose amplification and switching applications. Some variants may also come in SOT-23 (surface-mount) packages. Always check the datasheet for specific package details.
