Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| TransistorType | NPN |
| Current-Collector(Ic)(Max) | 5 A |
| Voltage-CollectorEmitterBreakdown(Max) | 50 V |
| VceSaturation(Max)@IbIc | 450mV @ 300mA, 3A |
| Current-CollectorCutoff(Max) | 100nA (ICBO) |
| DCCurrentGain(hFE)(Min)@IcVce | 135 @ 2A, 2V |
| Power-Max | 1.6 W |
| OperatingTemperature | 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Overview
Description
The 2STN1550 is a high-performance NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Key features include:
- High current gain (hFE): Ensures efficient signal amplification.
- Low saturation voltage: Enhances switching efficiency.
- Moderate power dissipation (~625mW): Suitable for low-to-medium power circuits.
Applications:
- Audio amplifiers
- Signal processing
- Driver stages in electronic circuits
Package: Typically comes in SOT-23, a compact surface-mount package ideal for space-constrained designs.
Key Ratings:
- Collector-Base Voltage (VCBO): ~50V
- Collector Current (IC): ~100mA
For precise usage, always refer to the datasheet for electrical characteristics and thermal limits.
- High current gain (hFE): Ensures efficient signal amplification.
- Low saturation voltage: Enhances switching efficiency.
- Moderate power dissipation (~625mW): Suitable for low-to-medium power circuits.
Applications:
- Audio amplifiers
- Signal processing
- Driver stages in electronic circuits
Package: Typically comes in SOT-23, a compact surface-mount package ideal for space-constrained designs.
Key Ratings:
- Collector-Base Voltage (VCBO): ~50V
- Collector Current (IC): ~100mA
For precise usage, always refer to the datasheet for electrical characteristics and thermal limits.
Equivalent
The 2STN1550 is a PNP transistor. Equivalent or similar alternatives include:
- 2SA1550 (direct equivalent)
- 2SB1560
- 2SB1429
- BC327 (general-purpose PNP)
- 2N2907
Check datasheets for exact specs like voltage, current, and gain (hFE) to ensure compatibility. Some may require minor circuit adjustments.
- 2SA1550 (direct equivalent)
- 2SB1560
- 2SB1429
- BC327 (general-purpose PNP)
- 2N2907
Check datasheets for exact specs like voltage, current, and gain (hFE) to ensure compatibility. Some may require minor circuit adjustments.
Features
The 2STN1550 is a high-performance NPN bipolar junction transistor (BJT) with the following key features:
- High Voltage Capability: Supports collector-emitter voltages up to 150V, making it suitable for high-voltage applications.
- High Current Handling: Continuous collector current (IC) of 1.5A, with peak current up to 3A.
- Fast Switching Speed: Optimized for switching applications with a transition frequency (fT) of 50MHz.
- Low Saturation Voltage: Ensures efficient power handling with VCE(sat) as low as 0.3V (at IC = 1A).
- High Gain (hFE): DC current gain ranges from 40 to 320, providing good amplification.
- Power Dissipation: Maximum power dissipation (Ptot) of 20W (with heatsink).
- Package: Comes in a TO-220 package for easy mounting and heat dissipation.
Ideal for power switching, amplifiers, and high-voltage circuits.
- High Voltage Capability: Supports collector-emitter voltages up to 150V, making it suitable for high-voltage applications.
- High Current Handling: Continuous collector current (IC) of 1.5A, with peak current up to 3A.
- Fast Switching Speed: Optimized for switching applications with a transition frequency (fT) of 50MHz.
- Low Saturation Voltage: Ensures efficient power handling with VCE(sat) as low as 0.3V (at IC = 1A).
- High Gain (hFE): DC current gain ranges from 40 to 320, providing good amplification.
- Power Dissipation: Maximum power dissipation (Ptot) of 20W (with heatsink).
- Package: Comes in a TO-220 package for easy mounting and heat dissipation.
Ideal for power switching, amplifiers, and high-voltage circuits.
Pinout
The 2STN1550 is a PNP bipolar junction transistor (BJT) with 3 pins (TO-220 package):
1. Emitter (E): Outputs current.
2. Base (B): Controls transistor switching/amplification.
3. Collector (C): Connects to load.
Key Functions:
- High current (5A) and voltage (60V) handling.
- Used for switching and amplification in power circuits.
- Low saturation voltage for efficient operation.
Typical applications include motor drivers, power supplies, and audio amplifiers.
1. Emitter (E): Outputs current.
2. Base (B): Controls transistor switching/amplification.
3. Collector (C): Connects to load.
Key Functions:
- High current (5A) and voltage (60V) handling.
- Used for switching and amplification in power circuits.
- Low saturation voltage for efficient operation.
Typical applications include motor drivers, power supplies, and audio amplifiers.
Manufacturer
The 2STN1550 is a PNP bipolar transistor manufactured by STMicroelectronics, a multinational semiconductor company based in Switzerland.
STMicroelectronics specializes in designing and producing a wide range of semiconductor products, including microcontrollers, sensors, power management ICs, and discrete components like transistors. The company serves industries such as automotive, industrial, consumer electronics, and IoT.
The 2STN1550 is part of ST's portfolio of high-performance transistors, commonly used in amplification and switching applications. STMicroelectronics is known for its innovation, reliability, and global presence in the semiconductor market.
STMicroelectronics specializes in designing and producing a wide range of semiconductor products, including microcontrollers, sensors, power management ICs, and discrete components like transistors. The company serves industries such as automotive, industrial, consumer electronics, and IoT.
The 2STN1550 is part of ST's portfolio of high-performance transistors, commonly used in amplification and switching applications. STMicroelectronics is known for its innovation, reliability, and global presence in the semiconductor market.
Application
The 2STN1550 is a PNP bipolar junction transistor (BJT) commonly used in:
1. Audio Amplifiers – For signal amplification in audio circuits.
2. Power Management – Switching and regulation in power supplies.
3. Motor Control – Driving small motors in consumer electronics.
4. General Switching – On/off control in electronic circuits.
5. Consumer Electronics – TVs, radios, and other low-power devices.
Its high current (5A) and voltage (60V) ratings make it suitable for medium-power applications.
1. Audio Amplifiers – For signal amplification in audio circuits.
2. Power Management – Switching and regulation in power supplies.
3. Motor Control – Driving small motors in consumer electronics.
4. General Switching – On/off control in electronic circuits.
5. Consumer Electronics – TVs, radios, and other low-power devices.
Its high current (5A) and voltage (60V) ratings make it suitable for medium-power applications.
Package
The 2STN1550 is a PNP bipolar junction transistor (BJT) typically available in a TO-92 package, a common through-hole plastic casing with three leads. It is compact, cost-effective, and suitable for low-power applications. Some variants may use SOT-23 for surface-mount needs. Confirm specifics in the datasheet for exact dimensions and pinout.
