T PL IA N M CO *R oH S Features Applications n Anti-surge n Pulse power applications n Wide resistance range n High voltage applications A n RoHS compliant* n Consumer electronics n Telecommunications FR EE LE AD CRS Series - High Power Anti-Surge Chip Resistor Recommended Solder Pad Layout CRS0805 CRS1206 CRS2010 0.25 W 0.5 W 1W Ro VE LEA HS RS D CO ION FRE M SA E PL R IA E NT * Characteristic Power Rating @ 70°C Operating Temperature Range A CRS2512 DIMENSIONS: 2W Maximum Working Voltage 150 V Maximum Overload Voltage 200 V 300 V Resistance Range / Temperature Coefficient L 200 V 400 V 300 V 400 V Model 600 V CRS0805 1 to 9.9 ohms / ±200 PPM/°C 10 ohms to 1 megohm / ±100 PPM/°C Tolerance / Standard Resistance Values CRS1206 1 % / E96 + E24 5 % / E24 CRS2010 Performance Characteristics CRS2512 Conditions Specification 2 times rated voltage or maximum overload voltage for 5 seconds. ΔR ≤±(2 % + 0.1 Ω) Solderability 245 ±5 °C for 3 ±0.5 seconds. Over 95 % coverage Resistance to Solder Heat 260 ±5 °C for 10 ± 1 seconds. ΔR ≤±(1 % + 0.1 Ω) Short Time Overload A 1.30 (0.051) 1.80 (0.071) 3.00 (0.118) 3.70 (0.146) Dimension B 1.15 (0.045) 1.30 (0.051) 1.50 (0.059) 2.45 (0.096) L 3.50 (0.138) 4.70 (0.185) 6.80 (0.268) 7.60 (0.299) Construction OVERCOAT RESISTIVE ELEMENT Load Life Humidity 40 ±2 °C, 90 to 95 %. 1.5 hours ON, 0.5 hours OFF for 1000 hours at rated power. ΔR ≤±(3 % + 0.1 Ω) Load Life 70 °C. 1.5 hours ON, 0.5 hours OFF for 1000 hours at rated power. ΔR ≤±(3 % + 0.1 Ω) Temperature Cycle -55 °C (30 min.), +25 °C (2~3 min.), +155 °C (30 min.), +25 °C (2~3 min.) for five cycles. ΔR ≤±(1 % + 0.05 Ω) CONDUCTOR (Lead Free) Sn PLATING CERAMIC SUBSTRATE Ni PLATING Derating Curve Power Ratio (%) Test MM (INCHES) B -55 °C to +155 °C 100 -55 70 155 Ambient Temperature (°C) Product Dimensions Model CRS0805 CRS1206 CRS2010 CRS2512 A 2.00 ± 0.10 (0.079 ± 0.004) 3.10 ± 0.10 (0.122 ± 0.004) 5.00 ± 0.20 (0.197 ± 0.008) 6.40 ± 0.20 (0.252 ± 0.008) B 1.25 ± 0.10 (0.049 ± 0.004) 1.60 ± 0.10 (0.063 ± 0.004) 2.50 ± 0.20 (0.098 ± 0.008) 3.20 ± 0.20 (0.126 ± 0.008) Dimension C 0.40 ± 0.20 (0.016 ± 0.008) 0.50 ± 0.20 (0.020 ± 0.008) 0.60 ± 0.25 (0.024 ± 0.010) 0.60 ± 0.25 (0.024 ± 0.010) A D 0.40 ± 0.20 (0.016 ± 0.008) 0.50 ± 0.20 (0.020 ± 0.008) 0.60 ± 0.25 (0.024 ± 0.010) 1.80 ± 0.25 (0.071 ± 0.010) T 0.50 ± 0.10 (0.020 ± 0.004) 0.55 ± 0.10 A(0.022 ± 0.004) 0.55 ± 0.10 (0.022 ± 0.004) 0.60 ± 0.15 (0.024 ± 0.006) B C C D D T B DIMENSIONS: *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. L A C D D B n Power supplies Electrical Characteristics C MM A (INCHES) B CRS Series - High Power Anti-Surge Chip Resistor Surge Performance Peak Power (W) 1000 100 10 CRS2512 CRS2010 CRS1206 1 0.0001 CRS0805 0.001 0.01 0.1 1 Surge Duration (seconds) 10000 Peak Voltage (Volts) CRS2512 CRS2010 CRS1206 CRS0805 1000 100 10 1 10 100 1000 Resistance (Ohms) 10000 100000 Test Method:1.2/50 µs Waveform 5 Pulses at 12 Second Intervals Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. CRS Series - High Power Anti-Surge Chip Resistor Soldering Profile 300 Temperature (°C) 250 245 °C peak 200 190 °C 10 - 15 seconds 150 60 - 120 seconds 100 50 0 0 10 50 100 150 200 Time (seconds) How to Order CRS 2512 - F X - 24R3 E LF Model CRS = Anti-Surge Chip Resistor Size 0805 1206 2010 2512 Resistance Tolerance F = ±1 % J = ±5 % TCR X = ±100 PPM/°C W = ±200 PPM/°C Resistance Value 1% Tolerance: <100 ohms...... “R” represents decimal point (example: 24R3 = 24.3 ohms) ≥100 ohms....... First three digits are significant, fourth digit represents number of zeros to follow (example: 8252 = 82.5K ohms) 5% Tolerance: <10 ohms........ “R” represents decimal point (example: 4R7 = 4.7 ohms) ≥10 ohms......... First two digits are significant, third digit represents number of zeros to follow (example: 474 = 470K ohms) Packaging E = 5,000 pieces per 7-inch reel (CRS0805, CRS1206) 4,000 pieces per 7-inch reel (CRS2010, CRS2512) Termination LF = Tin-plated (RoHS Compliant) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 250 3312Series - 2 mm SMD Trimming Potentiometer CRS - High Power Anti-Surge Chip Resistor Packaging Dimensions (Conforms to EIA RS-481A) 1.75 ± 0.10 (0.069 ± 0.004) EMBOSSED TAPE 1.50 +0.10/-0 DIA. (0.059 +0.004/-0) TOP TAPE 2.0 ± 0.5 (0.079 ± 0.020) 178.2 ± 2.0 (7.016 ± 0.079) DIA. F T 13.0 ± 0.5 (.512 ± .020) DIA. W RESISTOR 4.00 ± 0.10 (0.157 ± 0.004) 1.2 ± 0.15 (0.047 ± 0.006) 2.00 ± 0.05 (0.079 ± 0.002) 4.00 ± 0.10 (0.157 ± 0.004) CRS0805 CRS1206 CRS2010 CRS2512 MAX. 20.0 DIA. (0.787) USER DIRECTION OF FEED DIMENSIONS: Model 60.0 ± 0.5 (2.362 ± 0.020) B A A 1.65 ± 0.20 (0.065 ± 0.008) 2.00 ± 0.20 (0.079 ± 0.008) 2.80 ± 0.20 (0.110 ± 0.008) 3.50 ± 0.20 (0.138 ± 0.008) MM (INCHES) Dimension 13.0 ± 1.0 B (0.512 ± 0.039) F W DIA. 2.40 ± 0.20 3.50 ± 0.05 8.00 ± 0.30 180 +0/-3± 0.012) (0.094 ± 0.008) (0.138 ± 0.002) (0.315 (7.09 +0/-0.118) 3.60 ± 0.10 3.50 ± 0.05 8.00 DIA. ± 0.30 60.0 (0.315 ± 0.012) (0.142 ± 0.004) (0.138 ± 0.002) (2.362) 5.50 ± 0.20 5.50 ± 0.05 12.00 ± 0.30 MIN. DIA. (0.472 ± 0.012) (0.217 ± 0.008) (0.217 ± 0.002) 6.70 ± 0.20 5.50 ± 0.05 12.00 ± 0.30 (0.264 ± 0.008) (0.217 ± 0.002) (0.472 ± 0.012) G Model CRS0805 CRS1206 CRS2010 CRS2512 Pcs. per Reel G Dimension T (MAX.) 5,000 10.00 ± 1.50 0.394 ± 0.059) 20.00 (0.587) 4,000 13.80 ± 1.50 (0.543 ± 0.059) 16.70 (0.657) 15.4 ± 2.0 (0.606 ± 0.079) 13.0 ± 1.0 (0.512 ± 0.039) Asia-Pacific: Tel: +886-2 2562-4117 • Email: [email protected] EMEA: Tel: +36 88 520 390 • Email: [email protected] The Americas: Tel: +1-951 781-5500 • Email: [email protected] www.bourns.com REV. 05/16 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.