C1124 Transistor Datasheet Better -
| Parameter | Value | The Real-World Meaning | | :--- | :--- | :--- | | | 60V | Don't put more than 60V between C and B. Safe for 48V rails. | | Collector-Emitter Voltage (VCEO) | 30V | Critical: This is lower than Vcbo. Do NOT run 60V here. | | Emitter-Base Voltage (VEBO) | 5V | Keep base drive low. | | Collector Current (IC) | 100mA | Low power. Not for drivers or outputs >1W. | | Power Dissipation (Pc) | 2.5W | Use a small heatsink above 1W continuous. | | Gain (hFE) | 40 – 240 | Highly variable by batch. Design for the low end (40). | | Transition Frequency (fT) | 250 MHz (min) | Why it's special: Works well up to ~150 MHz. |
The 2SC1124 is designed for high-breakdown voltage applications, often paired with its PNP complement, the , for balanced audio output stages. Maximum Rating Collector-Base Voltage VCBOcap V sub cap C cap B cap O end-sub Collector-Emitter Voltage VCEOcap V sub cap C cap E cap O end-sub Emitter-Base Voltage VEBOcap V sub cap E cap B cap O end-sub Collector Current (DC) ICcap I sub cap C Total Power Dissipation PCcap P sub cap C Junction Temperature Tjcap T sub j Transition Frequency ( fTf sub cap T c1124 transistor datasheet better
The MPSA42 is a popular high-voltage NPN alternative, though it has a much lower current rating (approx. 500mA) than the C1124. | Parameter | Value | The Real-World Meaning
: General-purpose switching where voltage exceeds standard low-power transistor limits ( 4. Cross-Reference & Equivalents Do NOT run 60V here
Based on the C1124 transistor datasheet, it appears to be a reliable and versatile option for general-purpose applications. Its high current gain, low power consumption, and wide range of applications make it a popular choice among electronics enthusiasts.
If you are working on vintage audio equipment, old CRT monitors, or industrial control boards, you have likely come across the . While this component was a workhorse in its prime, obtaining a clear datasheet or finding a reliable replacement can be challenging today.
Before hunting for a "better" datasheet, we must understand what we are dealing with. The C1124 is typically an . It was widely used in low-frequency power amplifier stages and voltage regulator circuits in consumer electronics during the late 70s and early 80s.