3299Y-1-500

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Trimmer potentiometers are staple parts of almost every modern electronic device, and amongst the world’s most versatile and widely-used components. This article examines one of the most common models; the 3299Y-1-500 trimmer pot, which is typically used in the control of audio electronic devices. Not only will we look at its application area and working principle, but also explore what makes it stand out from the rest.

Trimmer potentiometers are built from three core components - a resistive element, a mechanical adjustment machanism, and a contact rod. In the case of the 3299Y-1-500, the resistance element is a ceramic disc, used to provide a resistive path for an electric current to pass through.

The 3299Y-1-500 trimmer pot is designed to function as a voltage divider – a device that can evenly split a voltage, such as an audio signal, into two parts. By controlling the resistance level of the ceramic disc, you can adjust the voltage division ratio. This can be used to control the amplitude of an audio signal; the higher the resistance value, the greater the voltage division, and thus the lower the signal’s amplitude. A lower resistance value, meanwhile, will create a higher signal amplitude.

The mechanical adjustment mechanism is the part that translates physical movement into a change in resistance. This is done by changing the distance between the contact rod and the ceramic disc – as the rod moves closer to the disc, the resistance of the disc increases, and vice versa. The contact rod is operated by turning a dial or knob, which is typically marked with notional points that can be used to easily adjust the resistance settings.

The 3299Y-1-500 is particularly popular for audio applications, due to its resistance tolerance – the variation between actual and stated resistance. Trimmer pots of the 3299Y-1-500 type offer a resistance tolerance of around ±10%, making it ideal for applications where accuracy is critical, such as audio amplifiers. In comparison, most other trimmer pots offer resistance tolerances of only around ±20%.

Other features of the 3299Y-1-500 include an operating temperature range of -55°C to +125°C, as well as a maximum power rating of 0.3 watts. The device is also highly durable, with a life expectancy of around 1 million operations (with no resistance degradation). This makes it suitable for most audio applications, including the control of consumer amplifiers and mixers.

To summarize; the 3299Y-1-500 trimmer pot is a versatile and accurate device, designed to function as a voltage divider. Its ±10% resistance tolerance and durable design makes it suitable for even the most demanding audio applications, and it can easily be adjusted using a simple knob or dial. This makes the 3299Y-1-500 trimmer pot an ideal component for audio amplifiers, mixers and other sensitive applications.

The specific data is subject to PDF, and the above content is for reference