3 mm SMD Trimpot BOURNS TC33X-1-103E Suitable for Reflow Soldering and Automatic Adjustment Tools

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Product Description

Product Overview

The TC33 is a 3 mm SMD Trimpot trimming potentiometer designed for automated assembly processes. It features a rotor design compatible with pick-and-place equipment and automatic adjustment, making it ideal for reflow soldering applications. This trimmer meets EIA/EIAJ standard trimmer footprint requirements and is RoHS compliant. It is suitable for various trimmer applications where precise resistance adjustment is needed.

Product Attributes

Brand: Bourns
Product Line: Trimpot
Compliance: RoHS compliant
Certifications: Meets EIA/EIAJ standard trimmer footprint

Technical Specifications

Specification	Details
Model Series	TC33
Size	3 mm
Mounting Type	SMD
Soldering Method	Recommended for reflow soldering
Automation Compatibility	Rotor design compatible with pick and place and automatic adjustment equipment
Standard Resistance Range	100 ohms to 1 megohm (see standard resistance table)
Resistance Tolerance	25 % std.
Absolute Minimum Resistance	1 K Ohms: 20 ohms max.; > 1 K Ohms: 2 % max. of TR
Contact Resistance Variation	5 % max.
Resolution	Essentially infinite
Adjustment Angle	270 20
Power Rating (50 VDC max.)	0.15 watt @ 70 C
Temperature Range	-40 C to +100 C
Temperature Coefficient	250 ppm/C
Humidity Test	+40 C 2 C, 90-95 % RH, TRS max.: 5 %
Load Life Test	1000 hours @ 70 C rated power, TRS 5 %
Rotational Cycling Test	20 cycles, TRS 10 %
Torque	0.98-11.76 mN-m max.
Mechanical Angle	Continuous rotation for Model TC33X-1
Marking	Part marking code
Standard Packaging	2500 pcs./7 reel
Adjustment Tool (Recommended)	1.7 mm (.067 in.) cross slot
Product Dimensions (Refer to diagram)	Various dimensions provided in MM (INCHES) with 0.3 tolerance unless noted.
Recommended Land Pattern (Refer to diagram)	Dimensions provided in MM (INCHES) with 0.3 tolerance unless noted.
Mounting Note	Gray area can be used to apply cement for holding the unit during board processing.
Cautions	Aqueous cleaning not recommended; Flow soldering not recommended; use reflow soldering. Model TC33 is not designed to be used with flux - use care with flux when soldering. Not recommended to adjust Model TC33X-1 past the effective rotary angle. Excessive force on the sliding part may cause deformation or breakage.
Standard Resistance Table Codes	100 (100), 101 (200), 501 (500), 102 (1k), 202 (2k), 502 (5k), 103 (10k), 203 (20k), 503 (50k), 104 (100k), 204 (200k), 504 (500k), 105 (1M)
How To Order Codes	Model Style: -1 (Continuous Rotation), -2 (Rotational Stop) Resistance Code: See Standard Resistance Table Embossed Tape Designator: E (2500 pcs./7 Reel), G (9000 pcs./13 Reel)
Packaging Specifications (Tape & Reel)	Meets Antistatic ANSI/ESD S5541-2003 packaging standards. Tape dimensions: 1.75 0.1 mm width, 1.55 0.05 mm DIA. Reel dimensions: 180.0 -3/+0 mm DIA.
Recommended Storage Conditions	Temperature: +5 C to +35 C; Humidity: 45 % to 85 % RH
Recommended Reflow Solder Profile	Specific temperature and time parameters provided in diagram (Exit 180 sec., 150C Ref., 230C, 260C Max.; Entrance 70 sec., 40 sec. Max., 10 sec. Max.).