C1124 Transistor Datasheet Better Link

When comparing datasheets, ensure that you're comparing similar characteristics and specifications. Pay attention to the differences in:

and 1A collector current in a TO-202/TO-220 package. Commonly used in 1980s consumer electronics, this transistor is frequently paired with the 2SA706 for push-pull applications. Detailed specifications are available in the 2SC1124 datasheet from LittleDiode . c1124 transistor datasheet better

Modern TO-126 or TO-220 packages can often handle higher junction temperatures ( Tjcap T sub j | | Description | Value | Significance for

The C1124 transistor is a popular NPN general-purpose transistor used in a wide range of electronic circuits. In this article, we'll take a closer look at the C1124 transistor datasheet, comparing its features and specifications to determine if it's the better choice for your next project. The pinout is E (Emitter)

| | Description | Value | Significance for the Technician | | :--- | :--- | :--- | :--- | | Pc | Collector Power Dissipation (Max) | 5 W | Indicates the maximum power the transistor can handle. When running hot, it likely needs a heatsink to cool down. | | VCBO | Collector-Base Voltage (Max) | 170 V | The maximum voltage the collector can handle relative to the base. | | VCEO | Collector-Emitter Voltage (Max) | 140 V | Critical spec indicating the maximum operating voltage between collector and emitter. If this is exceeded, the device will fail. | | IC (max) | Maximum Collector Current | 1 A | The maximum continuous current flowing through the collector. For an audio driver stage, this is a healthy amount of headroom. | | hFE | DC Current Gain (Min) | 50 | The minimum amplification factor (Beta). This is a medium-gain device, ideal for voltage amplification or driving stages. | | ft | Transition Frequency | 140 MHz | The frequency at which the device's gain drops to 1. This high 140 MHz figure shows the 2SC1124 is capable of fast switching and will not cause high-frequency issues in an audio circuit. | | Package | Physical Case Style | TO-202 / Uniwatt | The distinctive package—also known as "Uniwatt" or "TO-202"—features an exposed metal tab for mounting. The pinout is E (Emitter), B (Base), C (Collector) . |

If you are restoring classic electronics or looking to improve a circuit, finding a "better" substitute means identifying modern, readily available equivalents that either match the original specs perfectly or offer upgraded characteristics. Upgrading the C1124 often involves selecting a modern equivalent with a higher , better thermal dissipation (Power Dissipation, PCcap P sub cap C ) , or superior current handling ( ICcap I sub cap C ) . Anatomy of the C1124 Transistor: Datasheet Specifications Understanding the Go to product viewer dialog for this item.

The C1124 had poor thermal transfer. A "better" transistor will have a lower RθJA, meaning it stays cooler for the same power dissipation.