C1124 Transistor Datasheet Better Patched < Chrome QUICK >

Because original Sony-manufactured NOS (New Old Stock) parts are difficult to find, restorations often require a modern alternative. A suitable replacement must meet or exceed the original voltage, current, and frequency ratings while matching the physical pin configuration:

The unique blend of high voltage handling and swift frequency response suited the C1124 for a couple of core electronic architectures:

The C1124 features an exceptionally robust Safe Operating Area (SOA). Compared to modern components with comparable power ratings, it exhibits lower thermal resistance and can manage higher transient pulse currents up to its 1A threshold. This protects the device from catastrophic secondary breakdown during sudden speaker load impedance drops. Common Applications

The C1124 transistor is a bipolar junction transistor (BJT) commonly used in electronic circuits due to its high current gain, low saturation voltage, and high switching speed. Understanding the datasheet of this transistor is crucial for designers and engineers to ensure optimal performance and reliability in their applications. c1124 transistor datasheet better

The (often labeled simply as C1124 ) is an NPN silicon power transistor designed for high-voltage audio amplification and general switching. It is frequently paired with its PNP complement, the 2SA706 , in audio output stages. ⚡ Key Specifications Description Type Silicon Bipolar Junction Transistor (BJT) V CEO 120V – 140V Max Collector-Emitter voltage (varies by manufacturer) I C 1.0A – 1.5A Max continuous Collector current P C 5W – 7.9W Max power dissipation (with proper heat sinking) h FE 50 – 442

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Always double-check with a digital multimeter (diode test mode) before soldering, as some regional manufacturers occasionally mirror the pinout layout. Key Applications Because original Sony-manufactured NOS (New Old Stock) parts

The C1124 transistor is a silicon-based NPN transistor designed for general-purpose applications. It is commonly used in audio amplifiers, switching circuits, and other electronic devices. The transistor is available in a TO-92 package, making it easy to integrate into various circuit designs.

Different manufacturers (e.g., Sony, Sanyo, Toshiba) may list slightly different ratings for power dissipation and breakdown voltage. Always verify the specific brand's datasheet to avoid circuit failure. Counterfeit Risks:

A 1992 Kenwood stereo amplifier uses 2SC1124 as the voltage regulator pass transistor. The regulator is dead, and the transistor is shorted. The (often labeled simply as C1124 ) is

: Commonly used as a driver transistor to supply clean current gain to large power output blocks (e.g., in vintage hardware like the Pioneer SX-828 Receiver).

Here's a summary of the key specifications found in the C1124 transistor datasheet:

According to historical datasheet information, the 2SC1124 is a general-purpose NPN power transistor designed for low-noise, high-voltage, high-frequency audio output stages. Core Specifications (2SC1124) NPN Silicon Epitaxial Planar Type Package: TO-220 Maximum Collector-Emitter Voltage ( VCEOcap V sub cap C cap E cap O end-sub ): 120V Continuous Collector Current ( ICcap I sub cap C ): 1.5A Power Dissipation ( PDcap P sub cap D ): 2W at (ambient), capable of higher with proper heatsinking DC Current Gain ( hFEh sub cap F cap E end-sub ): Generally categorized into ranges (e.g., 70-240) Complementary PNP Pair: 2SA706 Key Characteristics