Features Applications n Ultra-tight tolerance n Current sense n Wide resistance range n Precision circuits n RoHS compliant* n Medical equipment** n Four package sizes available n Printers n Automation equipment n Navigation equipment CRT Series - Thin Film Precision Chip Resistors Electrical Characteristics Model Model Model Model Characteristic CRT0402 CRT0603 CRT0805 CRT1206 Power Rating 70 C 1/16 watt 1/10 watt 1/8 watt 1/4 watt Operating Temperature Range -55 to +155 C Derated to Zero Load at +155 C Maximum Working Voltage 25 V 75 V 150 V 200 V Maximum Overload Voltage 50 V 150 V 300 V 400 V Resistance Range (See Standard Values Table) (E-96 + E-24 Values) Temperature Coefficient 2 to 50 PPM/C (See Value - TCR Table on Page 2) of Resistance (TCR) Environmental Characteristics Limit (DR) Limit (DR) Specification Test (MIL STD 202) (Tol. 0.05 %) (Tol. > 0.05 %) Short Time Overload 2.5 x Max. Operating Voltage for 5 seconds 0.05 % 0.2 % Load Life 1000 Hours at Rated Power 0.05 % 0.2 % Humidity (Steady State) Method 103B 0.05 % 0.3 % Thermal Shock Method 107 0.05 % 0.3 % Solderability Method 208H Resistance to Soldering Heat Method 210E 0.05 % 0.2 % Derating Curve How to Order CRT 0603 - C V - 1003 E LF Model 100 (CRT = Thin Film Precision Chip Resistor Size 80 0402 0603 60 0805 1206 Resistance Tolerance 40 F = 1 % B = 0.1 % D = 0.5 % A = 0.05 % 20 C = 0.25 % P = 0.01 % TCR (PPM/C) 0 Z = 50 V = 5 -55 0 155 70 Y = 25 U = 3 X = 15 T = 2 (C) Ambient temperature W = 10 Resistance Value <100 ohms: R represents decimal point (example: 24R3 = 24.3 ohms) 100 ohms: First three digits are significant, fourth digit represents number of zeroes to follow (example: 8252 = 82.5K ohms) Packaging G = Paper tape (10K pcs.) on 7 plastic reel (CRT0402) E = Paper tape (5K pcs.) on 7 plastic reel (CRT0603, CRT0805, CRT1206) Termination LF = Tin-plated (RoHS compliant) * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. **Bourns products have not been specifically designed and tested for FDA Class III applications and their use in such applications is neither recommended nor supported. 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. *RoHS COMPLIANT VERSIONS AVAILABLE *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT* Rated power in percentage (%) CRT Series - Thin Film Precision Chip Resistors Value - TCR Table TCR Resistance Tolerance (Code) Model 0.01 % 0.05 % 0.1 % 0.25 % 0.5 % 1 % (PPM/C) (Code) (P) (A) (B) (C) (D) (F) 2 (T) 49.9 to 4.99K N/A 3 (U) 5 (V) 49.9 to 4.99K CRT0402 10 (W) 49.9 to 60K 15 (X) 49.9 to 69.8K 49.9 to 12K 25 (Y) 10 to 255K 4.7 to 511K 50 (Z) 2 (T) 24.9 to 15K N/A 3 (U) 5 (V) 24.9 to 15K CRT0603 10 (W) 4.7 to 332K 15 (X) 24.9 to 100K 25 (Y) 4.7 to 332K 4.7 to 1M 50 (Z) 2 (T) 24.9 to 30K N/A 3 (U) 5 (V) 24.9 to 30K CRT0805 10 (W) 4.7 to 511K 15 (X) 4.7 to 1M 24.9 to 200K 4.7 to 511K 25 (Y) 4.7 to 1M 1 to 1M *** 50 (Z) 2 (T) 24.9 to 49.9K N/A 3 (U) 5 (V) 24.9 to 49.9K CRT1206 10 (W) 15 (X) 24.9 to 499K 4.7 to 1M *** 25 (Y) 50 (Z) ***Select part numbers listed below are not available: CRT0805-DZ-1504ELF, CRT1206-CY-1R00ELF, CRT1206-DZ-1R74ELF, CRT1206-DZ-2004ELF Chip Dimensions Dimensional Drawings Model Model Model Model Dimension I I CRT0402 CRT0603 CRT0805 CRT1206 1 1 1.00 0.10 1.55 0.10 2.00 0.15 3.05 0.15 L (0.040 0.004) (0.061 0.004) (0.079 0.006) (0.120 0.006) H 0.50 0.05 0.80 0.10 1.25 0.15 1.55 0.15 W (0.020 0.002) (0.031 0.004) (0.049 0.006) (0.061 0.006) 0.30 0.05 0.45 0.15 0.55 0.10 0.55 0.10 I I H 2 2 W (0.012 0.002) (0.018 0.006) (0.022 0.004) (0.022 0.004) L 0.20 0.10 0.30 0.20 0.30 0.20 0.42 0.20 I 1 (0.008 0.004) (0.012 0.008) (0.012 0.008) (0.017 0.008) 0.20 0.10 0.30 0.20 0.40 0.25 0.35 0.25 MM I DIMENSIONS: 2 (INCHES) (0.008 0.004) (0.012 0.008) (0.016 0.010) (0.014 0.010) Recommended Land Pattern Model Model Model Model Dimension CRT0402 CRT0603 CRT0805 CRT1206 0.50 0.80 1.00 2.00 A C (0.020) (0.031) (0.039) (0.079) 0.50 1.00 1.00 1.15 B (0.020) (0.039) (0.039) (0.045) BA 0.60 0.20 0.90 0.20 1.35 0.20 1.70 0.20 C (0.024 0.008) (0.035 0.008) (0.053 0.008) (0.067 0.008) 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.