HY4D S8550M-D PNP 25V 1.5A SMD TRANSISTOR SOT-23

The S8550M.D-HY4D is a general-purpose PNP silicon transistor commonly used in low-power switching, amplification, and general electronic applications. Packaged in the SOT-23 form factor, it is a compact, surface-mount device suitable for modern PCB designs requiring high density and reliability.

Key Features of S8550M.D-HY4D SMD Transistor:

• • Type: PNP Bipolar Junction Transistor (BJT)
  • Compact Package: SOT-23, ideal for space-constrained PCB designs.
  • Low Saturation Voltage: Offers efficient performance in switching applications.
  • High Current Gain (h_FE): Ensures good amplification capability.
  • RoHS Compliance: Environmentally friendly and lead-free.

Technical Specifications of S8550M.D-HY4D SMD Transistor:

• • Transistor Type: PNP
  • Maximum Collector-Emitter Voltage (V_CEO): -25V
  • Maximum Collector Current (I_C): -1.5A
  • Collector Power Dissipation (P_C): 300mW
  • DC Current Gain (h_FE): 100 to 400
  • Transition Frequency (f_T): 150MHz (typical)
  • Operating Temperature Range: -55°C to +150°C
  • Package: SOT-23

Schematic Diagram, Connection, Wiring, and Pinout of S8550M.D-HY4D SMD Transistor:

• Schematic Diagram: The transistor operates as a standard PNP BJT with the collector connected to the load, the emitter to the power source, and the base controlling the switching or amplification operation.
• Pinout (SOT-23 Package):
  • Pin 1: Base (B)
  • Pin 2: Emitter (E)
  • Pin 3: Collector (C)
• Connection Guide:
  • Connect the **Emitter (E)** to the positive power rail for PNP operation.
  • Connect the **Collector (C)** to the load or circuit to be controlled.
  • Use a resistor to limit the current at the **Base (B)** to control the transistor’s operation effectively.

Applications of S8550M.D-HY4D SMD Transistor:

• • Switching Circuits: Used in low-power switching for electronic circuits.
  • Amplification: Suitable for signal amplification in analog circuits.
  • LED Drivers: Drives LEDs with controlled current flow.
  • Battery-Powered Applications: Used in portable devices due to its low power consumption.
  • General Purpose: Ideal for a variety of small-scale electronics and consumer devices.

Equivalent Models of S8550M.D-HY4D SMD Transistor:

• • S8550: Standard version with similar characteristics.
  • BC857: General-purpose PNP transistor in a comparable package.
  • 2N2907A: Alternative PNP transistor with slightly higher voltage and current ratings.

Datasheet:

• • Download Datasheet

Keywords for S8550M.D-HY4D SMD Transistor:

• • S8550
  • S8550M.D-HY4D

Package Includes:

• • 1 x S8550M.D-HY4D SMD Transistor (SOT-23 Package)