Purpose of this potentiometer:

Used in automobiles, scanners, various IoT devices, power supplies, instruments and meters, home appliances, variable frequency air conditioners, remote controls, audio systems, pagers, various security radio equipment, hybrid integrated circuits, mobile/communication systems, keyless entry systems, etc.

Key product information:

Product name: Surface mount adjustable resistor, made of imported resin material (automotive grade product)

Brand name: BOURNS

Product packaging specifications: TC33X-1 series is 2500 per reel, TC33X-1 is 2000 per reel

Product dimensions: Commonly known as 3*3mm, actual dimensions are 3.8mm length * 3.6mm width * 1.2mm thickness

Rotation angle: TC33X-1 series is 360° multi-turn rotation, TC33X-2 is 270° single-turn rotation

Resistance tolerance accuracy: ±25% standard deviation

Rated power: 50VDC maximum

Operating power: 0.1W

Temperature range: -40℃ to +100℃, temperature coefficient ±250 ppm/℃

Relative humidity: +40℃, 95%Rh

TRS maximum value: ±5%

Load life: 1000 hours at rated power, 70℃

Standard resistance range: 100 ohm - 1 megaohm

Standard resistance values in sequence:

TC33X-2-101E 100R    TC33X-2-102E 1K      TC33X-2-103E 10K 

TC33X-2-104E 100K    TC33X-2-105E 1M     TC33X-2-201E 200R       

TC33X-2-202E 2K         TC33X-2-203E 20K     TC33X-2-204E 200K

TC33X-2-501E 500R    TC33X-2-502E 5K        TC33X-2-503E 50K

TC33X-2-504E 500K

Product features: Air leak prevention structure, cross-groove type for easy adjustment, enables automatic surface mounting fixation, can withstand reflow soldering temperatures.

Note: Bourns brand adjustable resistors only come in these 13 resistance values from the factory. There are no resistance values starting with 3 or 4, nor any decimal point resistance values.