01C Features This series is currently available but n Ultra-tight tolerance not recommended for new designs. The Model CRT Series is the suggested n Wide resistance range replacement. n RoHS compliant* n Four package sizes available CRT-ST Series - Thin Film Precision Chip Resistors Electrical Characteristics Model Model Model Model Characteristic CRT0402-ST CRT0603-ST CRT0805-ST CRT1206-ST 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 50 V 75 V 150 V 200 V Maximum Overload Voltage 100 V 150 V 300 V 400 V Resistance Range (See Value - TCR Table on Page 2) (E-96 + E-24 Values) Temperature Coefficient 25 to 50 PPM/C (See Value - TCR Table on Page 2) of Resistance (TCR) NOTE: TCR code assigned as X, see How to Order. Performance Characteristics Test Test Method Test Limits DR Temperature Coefficient MIL-STD-202 Method 304 As specified of Resistance (TCR) JIS-C-5201-1 5.5 Short Time Overload 0.2 % RCWV*2.5 or max. overload voltage whichever is lower, for 5 seconds MIL-STD-202 Method 302 Insulation Resistance >10 GW Apply 100 Vdc for 1 minute MIL-STD-202 Method 108A Endurance 0.5 % 70 2 C, RCWV for 1,000 hours with 1.5 hours ON and 0.5 hours OFF MIL-STD-202 Method 103B Damp Heat with Load 40 2 C, 90~95 % R.H., RCWV for 1,000 hours with 1.5 hours ON and 0.5 % 0.5 hours OFF JIS-C-5201-1 56.1.4 Bending Strength 0.1 % Bending Amplitude 3 mm for 10 seconds MIL-STD-202 Method 208H Solderability 95 % min. coverage 245 5 C for 3 seconds MIL-STD-202 Method 210E Resistance to Solder Heat 0.1 % 260 5 C for 10 seconds MIL-STD-202 Method 107G Thermal Shock 0.2 % -55 C to 150 C, 100 cycles JIS-C-5201-1 7.1 Low Temperature Operation 0.5 % 1 hour, -65 C, followed by 45 minutes of RCWV RCWV (Rated Continuous Working Voltage) = (P*R) or Max. Operating Voltage, whichever is lower. Environmental Characteristics Moisture Sensitivity Level .....................1 Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.Applications n Current sense n Precision circuits n Printers n Automation equipment n Navigation equipment CRT-ST Series - Thin Film Precision Chip Resistors Value - TCR Table Derating Curve TCR Resistance Tolerance (Code) 100 Model 0.1 % 0.25 % 0.5 % 1 % (PPM/C) (Code) (B) (C) (D) (F) 80 25 (Y) 60 CRT0402-ST 4.7 to 255K 50 (Z) 40 25 (Y) CRT0603-ST 1 to 1M 50 (Z) 20 25 (Y) CRT0805-ST 1 to 2M 0 50 (Z) 0 70 155 -55 25 (Y) Ambient Temperature (C) CRT1206-ST 1 to 2.49M 50 (Z) Chip Dimensions Dimensional Drawings Model Model Model Model Dim. I I CRT0402-ST CRT0603-ST CRT0805-ST CRT1206-ST 1 1 1.00 0.05 1.60 0.10 2.00 0.15 3.10 0.15 L (0.040 0.002) (0.063 0.004) (0.079 0.006) (0.122 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 0.10 0.45 0.10 0.50 0.10 0.55 0.10 I I H 2 2 W (0.012 0.004) (0.018 0.004) (0.020 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 0.20 0.35 0.25 MM I DIMENSIONS: 2 (INCHES) (0.008 0.004) (0.012 0.008) (0.016 0.008) (0.014 0.010) Recommended Land Pattern Dimen- Model Model Model Model sion CRT0402-ST CRT0603-ST CRT0805-ST CRT1206-ST 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. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf. Rated Power (%)