Overview
The SS8550DTA transistor, produced by onsemi, is a PNP epitaxial silicon transistor designed for a variety of low to medium power applications. It is part of the SS8550 series, which is known for its compact size, reliable performance, and cost-effectiveness. This transistor is particularly suited for use in Class B push-pull operations, such as in the output amplifiers of portable radios. It is also complementary to the SS8050 NPN transistor, making it a versatile component for balanced circuit designs.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Collector-Base Voltage | VCBO | -40 | V |
| Collector-Emitter Voltage | VCEO | -25 | V |
| Emitter-Base Voltage | VEBO | -6 | V |
| Collector Current | IC | -1.5 A | A |
| Junction Temperature | TJ | 150 | °C |
| Storage Temperature | TSTG | -65 to 150 | °C |
| Power Dissipation | PD | 1 W | W |
| Power Dissipation Derate Above 25°C | PD | 8 mW/°C | mW/°C |
| Thermal Resistance, Junction-to-Ambient | RJA | 125 °C/W | °C/W |
| DC Current Gain (hFE) | hFE | 45 to 300 | - |
| Collector-Emitter Saturation Voltage | VCE(sat) | -0.28 to -0.50 V | V |
| Base-Emitter Saturation Voltage | VBE(sat) | -0.98 to -1.20 V | V |
| Current Gain Bandwidth Product | fT | 100 to 200 MHz | MHz |
Key Features
- Transistor Type: PNP (Positive-Negative-Positive)
- Collector Current: Up to 1.5 A
- Complementary Transistor: Complementary to SS8050 NPN transistor
- Environmental Compliance: Pb-free, Halogen-free/BFR-free, and RoHS compliant
- Package Type: TO-92-3 (case 135AR or 135AN)
- Power Dissipation: Up to 1 W
- DC Current Gain (hFE): Typically between 45 to 300
- Transition Frequency (fT): Typically between 100 to 200 MHz
Applications
- Output Amplifiers in Portable Radios: Ideal for Class B push-pull operations.
- Audio Amplifiers: Suitable for low to medium power audio amplification.
- Voltage Regulators: Can be used in voltage regulation circuits.
- LED Drivers: Applicable for driving LEDs in various electronic circuits.
- Switching Applications: Used in switching circuits due to its reliable performance.
Q & A
- What is the transistor type of the SS8550DTA?
The SS8550DTA is a PNP (Positive-Negative-Positive) epitaxial silicon transistor.
- What is the maximum collector current of the SS8550DTA?
The maximum collector current is 1.5 A.
- Is the SS8550DTA environmentally compliant?
Yes, it is Pb-free, Halogen-free/BFR-free, and RoHS compliant.
- What is the package type of the SS8550DTA?
The package type is TO-92-3 (case 135AR or 135AN).
- What is the power dissipation of the SS8550DTA?
The power dissipation is up to 1 W.
- What is the typical DC current gain (hFE) of the SS8550DTA?
The typical DC current gain (hFE) is between 45 to 300.
- What is the transition frequency (fT) of the SS8550DTA?
The transition frequency (fT) is typically between 100 to 200 MHz.
- What are some common applications of the SS8550DTA?
Common applications include output amplifiers in portable radios, audio amplifiers, voltage regulators, LED drivers, and switching applications.
- Is the SS8550DTA complementary to any other transistor?
Yes, it is complementary to the SS8050 NPN transistor.
- What is the junction temperature range of the SS8550DTA?
The junction temperature range is up to 150°C.
