Series 307 Technical Data Commercial miniature 6 mm cermet trimmer potentiometer • Variety of terminal pitches • Front cross-slot adjustment • Available in Bulk and Ammo-Pak Electrical and Mechanical Specifications Taper Linear Temperature Range -25° C ~ +100 ° C Resistance Range 100 ohms to 1 megohm (See Resistance Code Table) Temperature Coefficient ± 250 ppm/°C Noise (Contact Resistance Variation) Less than 4% of total resistance Resistance Tolerance ± 25 % Rotation Angle 240° ± 10° Residual Resistance Less than 2% of the total resistance value, 100 kΩ < 5% maximum Operation Torque Bulk – 2.94 ~ 29.4 mN•m Taped – 0.98 ~ 29.4 mN•m Power Rating Cermet - 0.3 watt at 70°C, 0 watts at 100°C Stop Strength 49.00 mN•m, maximum Maximum Working Voltage 100 V Document No. 307 Series Page 1 of 2 ٠ CTS Electronic Components ٠ www.ctscorp.com ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 Rev. A 307U Style - Horizontal mounting - Knob parallel to printed circuit board Dimensions: mm 307X Style - Vertical Mounting - Knob perpendicular to printed circuit board Dimensions: mm Ordering Information 307 U C SERIES 203 E RESISTANCE TOLERANCE KNOB TYPE 307 - 6 mm ROUND CERMET TRIMMER A C - CROSS-SLOT SMOOTH EDGE PACKAGING BLANK – BULK (500 pcs) A – Ammo-Pak (1,000pc) E ± 25 % MOUNTING STYLE RESISTANCE CODE U- HORIZONTAL MOUNT X- VERTICAL MOUNT - KNOB Example of part number: 307UC203ERA Code 101 201 501 102 202 Resistance 100 OHMS 200 OHMS 500 OHMS 1K OHMS 2K OHMS Code 502 103 203 503 Resistance 5K OHMS 10K OHMS 20K OHMS 50K OHMS Code 104 204 504 105 Resistance 100K OHMS 200K OHMS 500K OHMS 1 MEGOHM ٠ Document No. 307 Series Page 2 of 2 ٠ CTS Electronic Components ٠ www.ctscorp.com ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 Rev. A