Features ■ ■ ■ ■ Very high quality and stability Power rating at 70 °C: CR1210 - 1/3 W Three layer termination process with nickel barrier prevents leaching and provides excellent solderability Tight tolerances of bottom electrode width ■ ■ Suitable for most types of soldering processes Standard packaging on tape and reel CR1210 - Chip Resistor Electrical Characteristics Model CR1210 Characteristic Power Rating @ 70 °C 1/3 W Operating Temperature Range -55 °C to +125 °C Derated to 0 Load at +125 °C Maximum Working Voltage 200 V Maximum Overload Voltage 400 V Resistance Range: 1 %, E-96 + E-24 5 %, E-24 Temperature Coefficient: 1 % Tolerance 5 % Tolerance Chip Dimensions Dimension L W H I1 I2 10 ohms to 1 megohm 1 ohm to 10 megohms 0 ohm Jumper <50 milliohms Rated power in percentage (%) Derating Curve 100 80 60 40 20 0 -55 0 Marking Explanation E T E L O S B O ±100 ppm/°C ±200 ppm/°C Model CR1210 3.10 ± 0.10 (0.197 ± 0.008) • E-24: 3 digits, first two digits are significant, third digit is number of zeros to follow. Letter R is decimal point. • E-96: 4 digits, first three digits are significant, fourth digit is number of zeros to follow. Letter R is decimal point. g Dimensional Drawing I1 2.55 ± 0.10 (0.100 ± 0.004) 0.55 ± 0.10 (0.022 ± 0.004) 155 70 (°C) Ambient temperature I1 H 0.50 ± 0.20 (0.020 ± 0.008) 0.50 ± 0.20 (0.020 ± 0.008) I2 I2 DIMENSIONS ARE: How To Order W L MM (INCHES) CR 1210 - F X - 8252 - E Model (CR = Chip Resistor) Size • 1210 Resistance Tolerance F = ±1 % J = ±5 % (Jumper) TCR (ppm/°C) X = ±100 W = ±200 / = -250 to +500 Resistance Value • For 1 % Tolerance: First three digits are significant, fourth digit is number of zeros to follow. • For 5% Tolerance: First two digits are significant, third digit is number of zeros to follow. Packaging E = Paper Tape, Plastic Reel, 5,000 pcs. Asia-Pacific: TEL +886-2 25624117 FAX +886-2 25624116 Europe: TEL +41-41 7685555 FAX +41-41 7685510 The Americas: TEL +1-951 781-5500 FAX +1-951 781-5700 www.bourns.com Specifications are subject to change without notice.