The MMBTRA103SS is a high-performance NPN bipolar junction transistor (BJT) designed for amplification and switching applications. Known for its robust electrical characteristics and compact SOT-23 surface-mount package, this transistor delivers reliable switching speeds and low noise operation, making it suitable for a broad range of industrial and consumer electronics. Engineered to operate efficiently at moderate power levels, the device supports enhancement of signal integrity in low to medium current circuits. For engineers and sourcing specialists seeking a dependable transistor solution, the MMBTRA103SS offers consistent performance backed by IC Manufacturer quality standards.
MMBTRA103SS Technical Specifications
Parameter
Value
Unit
Transistor Type
NPN
?C
Package
SOT-23
?C
Collector-Emitter Voltage (VCEO)
40
V
Collector Current (IC)
200
mA
Power Dissipation (Ptot)
350
mW
Transition Frequency (fT)
100
MHz
Gain Bandwidth Product
100
MHz
DC Current Gain (hFE)
100-300
?C
Operating Temperature Range
-55 to +150
??C
MMBTRA103SS Key Features
High current gain: Enables effective amplification with minimal base current, optimizing circuit efficiency.
Low collector-emitter saturation voltage: Reduces power loss during switching, enhancing energy efficiency in power-sensitive designs.
Wide frequency response: Supports applications requiring fast switching and RF performance up to 100 MHz.
Broad operating temperature range: Ensures reliable operation in harsh industrial environments.
Robust maximum collector current: Suitable for medium power handling in driver and amplification stages.
Low noise characteristics: Ideal for signal amplification in sensitive analog circuits.
Typical Applications
General-purpose amplification in low to medium power analog circuits, such as audio preamplifiers and signal conditioning modules, where linearity and gain stability are essential.
Switching applications in industrial control systems, offering fast response and efficient power handling.
Driver stages for relays and LEDs in embedded systems, ensuring reliable activation with reduced power consumption.
RF circuits and frequency modulation designs requiring transistors with stable frequency response and low noise.
MMBTRA103SS Advantages vs Typical Alternatives
This transistor stands out against typical alternatives by combining a high current gain with low saturation voltage, resulting in improved efficiency and reduced heat dissipation. Its compact SOT-23 package supports modern surface-mount assembly, while the wide operating temperature range ensures dependable performance in demanding applications. These attributes make it a practical choice for engineers seeking reliable switching and amplification with consistent electrical characteristics.
The MMBTRA103SS is manufactured by a leading semiconductor supplier specializing in discrete components for industrial and consumer electronics. This brand is recognized for stringent quality control and comprehensive testing processes, ensuring each transistor meets rigorous performance standards. The product line emphasizes reliability, ease of integration, and compatibility with automated manufacturing, supporting engineers and designers with robust, cost-effective transistor solutions tailored for diverse electronic applications.
FAQ
What is the maximum collector current rating of the MMBTRA
