Series 303
®
Miniature 3 mm
surface mount
chip-type
cermet trimmer
potentiometer
• Small and thin
• Auto adjustable
• Reflow solderable
• 8 mm width x 4 mm pitch
embossed taping for
auto insertion
Electrical and Mechanical Specifications
Taper
Linear
Resistance Range
100 ohms to 1 megohm
(See Resistance Code Table)
Resistance Tolerance
+ 25%
Residual Resistance
2% of the total resistance value, maximum
except < 1 kohm is 20 ohms, maximum
Power Rating
0.1 watt at 70˚C, 0 watts at 100˚C
Maximum Working Voltage
50 V or
√PR
= whichever is less
Temperature Range
-40˚C to ~+100˚C
Temperature Coefficient
+ 250 ppm
Contact Resistance
5% of total resistance value, maximum
Rotation Angle
270˚ + 20˚
Operation Torque
1.96 ~ 19.6 mN•m
CTS CORPORATION /
MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS
Type 303U - Knob parallel to printed circuit board
Dimensions: mm
Ordering Information
Example of part number: 303UC202E
Order From:
CTS CORPORATION, RESISTOR / ELECTROCOMPONENTS
/ 406 Parr Road / Berne, IN 46711
PHONE: (260) 589-3111 / FAX: (260) 589-3243
http://www.ctscorp.com
CTS COMPONENTS TAIWAN, LTD.
/ 7, Central 6
th
Road (Chung Liu Road) / P.O. Box 26-20
Kaohsiung Export Processing Zone / Kaohsiung, Taiwan, Republic of China
PHONE: (07) 8216145 / FAX: 8417642.8110040
2.5M-6-03I