g43-series-single-turn-surface-mount-trimmers-datasheet.pdf

G43 Series Single-Turn Surface Mount Trimmers Overview

The G43 Series datasheet provides comprehensive details on a range of single-turn surface mount trimmer potentiometers designed for electronic applications. These trimmers are engineered to withstand immersion cleaning processes and are suitable for automated mounting as they come with different terminal shapes including hook, gull wing, and through hole designs. They offer a total resistance range of 10Ω to 2MΩ with a ±20% tolerance, demonstrating flexibility across various applications.

Key Features and Part Number Composition

Highlighted features include eight different terminal variations and compatibility with flow and reflow soldering processes. The potentiometers come in a RoHS-compliant composition and possess varying resistance values, indicated by three digits, as well as a range of multipliers and resistance tapers for linear response. The products are also available in different forms of packaging like embossed tape and vinyl pack with specified quantities per package.

Electrical Characteristics

With a power rating of 0.25W at 70°C and a maximum input voltage of 200V DC, these trimmers ensure reliable operation within electronic circuits. They exhibit a resistance tolerance of ±20%, an end resistance of 3Ω or less, and an electrical angle of 210° ±10°. The temperature coefficient ranges between 100ppm and 250ppm/°C, depending on the resistance value. Additional electrical parameters detailed in the datasheet include insulation resistance, which must be a minimum of 100MΩ, and the ability to endure a dielectric strength test of 500V AC for 1 minute.

Mechanical and Environmental Characteristics

From a mechanical perspective, the G43 Series trimmers offer a mechanical angle of 240° ±10° and shaft torque capped at 14.7mN·m. They boast robust stop strength and terminal strength, ensuring durability during and after the mounting process. The operating temperature range spans from -55°C to +125°C, making them suitable for varied environmental conditions.

Regarding environmental resilience, the G43 Series has been subjected to tests such as soldering heat resistance, rotational life, and thermal shock, to assess the stability of resistance and physical integrity. The components are designed to maintain their performance after exposure to shocks, vibrations, high and low temperatures, moisture, and load life tests. Moreover, the datasheet specifies that the series can withstand solvent cleaning with IPA, guaranteeing their washability post-soldering.

Overall, the G43 Series trimmers are positioned as reliable and versatile components for electronic applications requiring precision adjustment capability within a robust and compact surface-mount package.

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